شرکت Paradigm نسخه جدید نرم افزار Geolog را ریلیز کرده است. Geolog نسخه 19 آپدیت 1 آخرین نسخه از نرم افزار محبوب Geolog محسوب میشه که دارای تغییراتی در بخش های Query and Graph View, Timeline View, Full Waveform Sonic processing, Mud Gas Analysis Module​, Direct Streaming of WITSML Data into Geolog Geosteer, Layout Enhancements, Python Loglan, Connectivity Updates می باشد. در ادامه مطلب با این ریلیز آشنا شوید.

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• When you edit an image, Uniform Scale now allows any of the DPI, Width or Height settings to be changed. As a result, the other settings on the Image Edit dialog box will immediately update accordingly.

• An Apply button has been added, so changes can now be applied without closing the Image Edit dialog box.

• Support has been added for generating postscript files that contain image logs, dramatically improving performance and reducing the output file size.

Borehole Image Processing and Analysis

Borehole Image Processing

• An Advanced processing option has been added to the EMI/XRMI, STAR, Earth Imager, GeoXplorer, HMI and OMI image generation modules. This option enables you to manually set the processing parameters for pad/button shifts and pad flip.

• A speed correction module for OMRI image data (tp_speed_correction_omri) is now available.

• Only tool orientation logs are required for the upper pads as input when processing Halliburton OMRI data. Orientation logs for the lower pads are no longer required.

• You can now extract 2D images (vertical slice and cylindrical) from 3D CT image files using the

Extract Image from 3D module.

• The Quanta Geo image processing modules now:

• Use radii instead of calipers for a more accurate depiction of the pad positions at the borehole wall.

• Only require the orientation logs for the upper pads as input.

• For Weatherford CMI image (tp_image_from_cmi) processing, the ability to create an image from 3rd party processed images supplied either as 8 pads or 16 button rows array logs has been added.

• A redundant parameter, AZI_TYPE, has been removed from the geoVISION/Microscope image generation (tp_image_from_gvr_lwd) module.

Borehole Image Analysis

• In the Fracture Aperture (tp_fracture_aperture) module:

• Extreme high values for the FRACWIDTH log are no longer output when the image data has values close to zero.

• An option to calculate a qualitative ranking of the apparent fracture aperture from an uncalibrated image log has been added.

• To conform with Geolog log naming conventions, the apparent azimuth output log name has been changed from AZI_APP to AZIM_APP in the Auto Dip (tp_autodip) module.

• Archie has been added as an option to calculate porosity from a resistivity image in the Quick Image Porosity (tp_image_quick_porosity) module.

• The Threshold Analysis (tp_image_threshold_analysis) module can now output up to 10 classes.

• The flattening algorithm used in the Image Flattening (tp_autoflatten) module has been improved for eccentered images and/or non-circular boreholes.

Cloud

• The ability to print to a SVG file has been added.

Core Analysis (General)

• Improvements have been made to the GSIZ Analysis (core_lpsa) module.

• The following improvements have been made to the MICP Pore Throat Radius (core_micp_ptr) module:

• Interfacial tension and contact angle are now visible as the IFT and THETA in/out constants. The values of these constants are used in PTR calculations instead of using assumed default values.

• The SAT_MERC, PC and PHIT input logs are now mandatory.

• The PTR_STNDDEV output log has been renamed to PTR_STDDEV.

• The PITTMAN_METHOD option now allows you to select either the Rapex or R35 equation method.

• The Modified Purcell (RUTH-LINDSAY) equation method has been added, so the PURCELL_METHOD option allows you to select either PURCELL or RUTH-LINDSAY.

• References to all the permeability equations have been added in the module description.

• The Dean Stark Corrections have been moved to before Electrical Properties in the Core Analysis menu.

• The MICP Xplots in the Pore Throat Radius submenu have been reorganized.

• In the Vertical Smoothing of Core Poro-Perm. data (core_smooth) module missing input values are now ignored and negative values are supported for the arithmetic and harmonic smoothing options.

• In the Porosity and Permeability submenu, histograms of accumulation totals are now displayed on the core_phiob_kkob crossplot.

• In the Optimal Number of Samples Required (core_nstat) module, log normal permeability data can now be used by limiting the data selection to upper and lower bounds. This helps ensure that the Dykstra Parsons coefficient are useful.

• Default Ternary Plot templates have been added to the Core Analysis (General) menu and the

Determin – Other Cases menu.

Core Analysis (Special)

• The Expression Builder now provides translation of equations to other programming languages. Files containing the language grammar are supplied for Python, Excel, Petrel, and Roxar RMS™. You can also write spec files for other languages as required.

• The Core Analysis coremodel view is now able to translate the saturation-height equation into multiple export formats including Python, Excel, Petrel, SKUA-GOCAD™ and Roxar RMS™.

• The input log selectors now default to displaying logs from the appropriate sets.

• Tooltips have been added to the Fit Surface checkbox and the Model finding buttons.

Correlation

• If the primary layout selected on the Properties dialog box is a TVDSS or ELEVATION referenced layout, the Datum on elevation zero option is now automatically selected.

• A TVDSS based layout, correlation_tvdss.layout, has been added to the Geolog installation.

• A distance line and value are now displayed between wells in fixed and distance spacing mode.

• The contents of the WELL_PROJECT well are now re-read when Refresh Wells (F5) is selected, even when the well is not open.

• Depth values can now be displayed on the left and right sides of the correlation plot.

• The correlation border is now displayed on screen. Previously it was only drawn when plotting.

• A configurable vertical reference grid has been added.

• The cursor crosshairs are now extended to the edges of the data area.

• The following improvements have been made to the scale bar of the Map Inset:

• Annotations have been slightly adjusted to avoid overlapping ticks and provide a bit more space to the edge of the map.

• The length of ticks has been made proportional to text size instead of the border line width.

• In the Map Inset, an option to display and change the appearance of the lines connecting the wells in order of correlation has been added.

• When you open a Correlation view, all wells are now automatically visible on screen.

• The Show Grid option has been added.

Database

• New fields have been added on the Project tab of the Epos Permissions dialog box:

• Project Visibility enables you to set which users have visibility of a project (PNS Manager Services Parameter – PERM_READ)

• Project Settings gives you the ability to select which Epos users can modify the project’s settings (PNS Manager Services Parameter – PERM_MODIFY)

• Instead of manually typing ALIAS permission strings in the Other Owner’s Data field, you can now open the Modify Other User’s Data dialog box and create or remove the ALIAS permission strings.

• A preference can now be set so that well names are displayed, in addition to the Primary Well Identifier in Well selection dialog boxes (including the Wells list in the dock area). The preference only applies when the Primary Well Identifier is set to something other than Well Name when you create a project.

• The cgg library no longer contains the gglib Fortran interface. However, gglib Fortran can still be used by compiling the gg.f file provided in the Geolog Installation/auxillaries directory.

• The following cgg variables have been added: COMMENT_REPEAT, COMMENT_TYPE, CONSTANT_REPEAT, and CONSTANT_TYPE. Comment attributes can now also be retrieved as numeric values.

• MEAN and STDDEV log attributes are now supported. These log attributes can be displayed using variable text.

• Unit conversion {} syntax in expressions has been added for database constants.

Determin

• You can now define units in the Y axis log expression in the rho rt gr, dt rt gr, rho rxo gr, and dt rxo gr crossplots available in the Parameter Picking > Pickett Plots menu, making them usable in any unit system.

• A Water Saturation (shale_swt) module that calculates total water saturation has been added to the Unconventionals menu.

• A new Mud Gas Analysis submenu has been added to the Petrophysics menu.

• A number of Schlumberger Log Quality Control (LQC) layouts have been added to the Petrophysics menu.

Environmental Corrections

• The Environmentals menu structures for the various contractor formats have been rearranged to clearly distinguish Wireline and LWD corrections.

• The entire Schlumberger Chart Book for 2013 has been digitized and included with the Geolog installation:

• The Schlumberger > Wireline menu contains submenus for 2013 and 1997. The 2013 menu lists correction modules for Gamma Ray (evs_gamma_ray_wireline), Neutron (evs_neutron_wireline), Resistivity Laterolog (evs_resistivity_laterolog_wireline) and Formation Resistivity (evs_formation_resistivity_wireline). The Gamma Ray and Neutron modules also contain corrections for the ThruBit tool. All previous Wireline correction modules are now under the 1997 menu.

• The Schlumberger > LWD menu contains submenus for LWD Charts and Pathfinder LWD Libraries. The LWD Charts menu lists correction modules for Gamma Ray (evs_gamma_ray_lwd), Neutron (evs_neutron_lwd), Resistivity Laterolog (evs_resistivity_laterolog_lwd), Resistivity Electromagnetic (evs_arcvision - this module was enhanced to include corrections for the arcVISION475 tool) and Formation Resistivity (evs_formation_resistivity_lwd).

• Additional mnemonics have been added for the Schlumberger LWD EcoScope platform.The Schlumberger legacy Rxo-1 charts are now included with the Geolog installation.

• References to Anadrill have been replaced with Schlumberger in the resistivity modeling tools specification files supplied with the Geolog installation.

• Neutron Porosity Correction Charts (chapters 18, 19 and 20) and Density-Neutron Crossplots (chapter 21) from the 2016 Baker Hughes Chart Book have been digitized and are now available for display on a crossplot.

• Visibility issues with the Baker LWD Neutron corrections module have been fixed.

Facimage

• A line cutting across AHC dendrograms indicating the currently selected number of clusters is now shown. The line can be dragged with the mouse to change the number of clusters interactively.

File Catalog

• When you import files, the option to reversion logs rather than sets has been added.

• The size of the Comment Edit dialog has been increased.

File Importer

• When you import wells that are not in the database, these wells are now shown with a pale yellow background.

• When you load data into Geolog, the Known files type extension list has been removed and all files are now presented in the File Select dialog box.

• When you import a LAS3 file with a valid country code, Geolog now converts and stores the code to a country name.

• Enhancements have been made to provide improved LAS3 compatibility.

• For LAS2 files, log names in the format name[0], name[1] etc are now loaded as name0 name1 etc.

• When you load DLIS files:

• The option to choose a missing value has been added.

• The length of alpha logs is no longer limited to 72 characters but is dynamically determined and the full text is now stored.

File Exporter

• The option to filter for the best alias of a log has been added to the Filter Constants, Comments & Logs dialog box.

• Support has been added for a tab delimited export format.

• Logs that contain no data/zero frames that previously were not exported are now always exported.

• Export subset of data selected is now automatically selected when a depth range or interval is selected.

Flow Indicators

• Rock type logs can now be output for each chart shown in the Flow Indicators view.

Formation Testing

• Cursor tracking has been enabled to aid with point identification between the FT Pretest QC and the FT Plot views.

• The general Highlight functionality has been enabled in the FT Plot and FT Pretest QC views.

FT Analysis

• To perform automatic pretest detection on data from more vendors, only a pretest volume log is now required to run automatic detection in Geolog.

• The set from which the depth station originated is now displayed.

• A constant can now be used to define the probe depth in the Formation Test Data Preparation dialog box.

FT Pretest QC

• An FTQC report template, ftqc.report, is now provided with the Geolog installation.

• When the required inputs exist, the following additional FTQC logs are now output; radius of investigation, supercharging calculations, and ratings.

• Points are now automatically disabled when the lost seal condition is met. That is, when the "less than" overbalance condition is triggered, the USEPRETEST flag will be automatically turned off.

FT Plot and FT track

• Multiple arbitrary gradients can now be inserted. An option to define arbitrary gradients from a user selection of pressure points has been added.

• When the same data is displayed in the FT Plot and Layout views, the data is automatically scaled to the same min-max limits.

• Fluid types are now automatically assigned where the gradient of selected points is within a user defined range.

• A contact point uncertainty constraint has been added. When the calculated contact point uncertainty is unrealistically large it is constrained to halfway of the user defined fluid type, and the fill pattern is hatched to illustrate limits have been reached.

• Gas, oil and water pressure differentials are now calculated against all fluid gradient types..

• Annotation of formation pressure points using FT pressure point QC comments (auto & user), ratings and mobility has been added.

Full Waveform Sonic

The Full Waveform Sonic menu has been reorganized and improved with added data preparation modules, grouped by vendor acoustic tools and modules that combine typical tasks.

Data Preparation

• New data preparation modules have been added, replacing the Load Specification File processing step. Modules exist for the following acoustic tools:

• Schlumberger: DSI, SonicScanner, SonicVision

• Baker Hughes: MAC, XMAC, XMAC-Elite & F1, SoundTrak

• Halliburton: WaveSonic

• Pathfinder: CLSS

• A generic module, Generic Tool (tp_array_sonic_prepare_generic) is provided to process data from tools that are currently unsupported. You can manually enter all the required tool specific parameters.

• The required waveform logs are automatically picked-up by the data preparation modules.

• Output logs have standardized formats and names, making subsequent processing steps uniform regardless of the logging tool.

• A layout to view raw waveform data is provided.

Semblance Analysis

• A new Semblance Preprocessing (tp_array_sonic_preprocess) module, combines the typical tasks performed before semblance processing; frequency filtering, average filtering and stacking (a new feature).

• Semblance Processing (tp_array_sonic_process) module improvements:

• Optional depth derived borehole compensation, by processing receiver and transmitter array simultaneously.

• Using an improved method to constrain semblance processing results based on transmitter-receiver distance.

• Option added to enhance resolution (multi-shot processing), to make the purpose of the NUM_R parameter clearer.

• Semblance Picking (tp_array_sonic_label) module improvements to slowness picking from semblance projection:

• Automated naming of slowness logs controlled by the tool transmitter used and the picked wave type.

• Simultaneously picking of slowness from receiver and transmitter projections and calculation of weighted mean slowness.

• Slowness picking precision has been improved by employing an enhanced curve fitting method.

• Calculation of travel time has been added to the module.

• A layout to view semblance processing results is provided.

Slowness-Frequency

• This submenu provides a grouping of the Slowness-Frequency Relation, Dispersion Correction modules and the Dispersion Plot.

Anisotropy

• A new Anisotropy Preprocessing (tp_array_anisotropy_preprocess) module removes normalization from the four cross-dipole waveforms and can apply optional frequency processing, waveform stacking and tool azimuth log depth shifting.

• New modules have been added. Fast/Slow Semblance (tp_array_sonic_process_xdipole) and DT Fast/Slow Picking (tp_array_sonic_process_xdipole_label) perform semblance processing and slowness picking of the fast and slow shear waves.

• Layouts to view Stoneley reflectivity and waveform attenuation, and fast/slow shear semblance processing results are provided.

Fracture Detection

• This submenu provides a grouping of the Stoneley Reflectivity, Amplitude Recovery and Waveform Attenuation modules.

• A fracture detection layout is provided.

Utilities

• The Waveform Packing (tp_array_sonic_pack) and Waveform Unpacking (tp_array_sonic_unpack) modules can now handle multi-dimensional array logs with a trailing dimension of “1”.

• A new module has been added. Waveform Normalization (tp_array_sonic_gain) can be used to normalize acoustic waveform data.

• The Exclude Bad Receivers, Reverse Receiver Order, Amplitude Recovery, Integrated Travel Time modules have been moved to this submenu.

• The following modules have been renamed:

• Create Other Attributes to Other Attributes

• First Arrival Detection to TT from First Arrival

• Mechanical Properties to Elastic Rock Properties

General

• The Accumulate (tp_accumulate) module now has support for multiple logs, intervals and wells.

• The new Combine (tp_combine) module combines multiple passes of a logging tool and calculates an output mean or median log.

• In the Cull (tp_cull) module, the input and output log names have been separated. This means you can use the module combiner to set up a combined tp_cull and tp_fill module.

• An option to output the absolute value of the derivative has been added to the Derivative (tp_derivative) module.

• The Evaluate (tp_evaluate) module now supports up to 10 evaluations and unit support {} has been added.

• In the Fill Missings (tp_fill) module, the ability to interpolate correctly over intervals with missing values of azimuth logs (0 to 360 degrees) has been added.

• The Single Log Statistics (tp_stats_single) module now provides the option to output log statistics to the database. The output is to constants if run by range, or to interval logs if run by intervals.

• In the Smooth (tp_smooth) module:

• There are now three weighting filters; box, linear, and round which can be applied in the X and Y direction.

• If an even window size is selected the next higher odd size will be used. This ensures the window will be centered about the source sample and data does not shift.

Geolog-Link Plug-in (Petrel Connector)

• Support to transfer user defined Well Attributes has been added. A new mode, Only update empty fields has been added to the well header transfers.

• Geolog-Link now reads the PNS_HOST environment variable in the site geolog_env.tcl file. As a result, when an EPOS server connection is selected in the Database Connection Settings configuration, the PNS Host field will be automatically populated.

• Geolog-Link now uses any defined Geolog project units when transferring from Petrel to Geolog.

• The Petrel to Geolog unit system mappings have been enhanced.

• Support has been added for site configured "Global Well Log" names.

• Geolog-Link plug-in is now available for Petrel 2018 and Petrel 2019.

• Petrel 2014 is no longer supported.

Geomechanics

• A new module, Breakouts From Dips (tp_geom_breakout_from_dip), converts breakout width and tensile fracture azimuth point data from a dip set to continuous or top interpolated logs. These logs can be used as inputs for the SHmax Stress Polygon (tp_geom_stress_horz_polygon) module.

• A new module, Pressure Conversion (tp_geom_press_calculate), can convert between pressure, pressure gradient and equivalent mud weight.

• In the Drilling Fluid Pressure (tp_geom_press_df) module you can now have the option to specify the mud density input as a log.

• A new sanding prediction module, Critical Drawdown (tp_geom_critical_drawdown), calculates critical drawdown pressure for open hole and perforated completions at different orientations. Results can be visualized in the array plots and layouts provided in the Engineering > Geomechanics > Wellbore Stability menu.

• The default pressure units for the Elastic Moduli pressure logs in the Imperial and Mixed loginfo files has been changed from 6PSI to MPSI.

• An option to hide the Controls panel has been added to the Stress Polygon Plot, Wellbore Stress Plot, and Stereonet Stability Plot views.

Geophysics

• In the Salinity Estimate (sal_est) module, a new option LITH_OPT makes it optional to use the input lithology to flag the processing zones. If LITH_OPT is set to No, then all frames are processed instead of all missing.

• The Effective Medium Models (tp_rock_effective) module:

• Can now be run in interval mode.

• You can now specify multiple pore aspect ratios and concentrations either as a constant or as a log.

• The limit on the number of checkshot pairs has been removed from the Welltie-Make TWTime(z) Checkshot (tp_welltie_deptimes) module.

Geosteer

• New "Project ahead" functionality enables you to project the wellpath beyond the last survey point. You must specify the dogleg severity, drill face angle and projection distance. The result is presented as a path on the section view, and the final point is described both on the GUI and in the well constants.

• The ability to download WITSMLTM (Wellsite information transfer standard markup language) data in real time, directly within Geosteer has been added.

• Geosteer can now load and display a resistivity curtain, that is data from the Schlumberger PeriScope tool. Curtain files are expected to be in an X,Y,Z, DATA format. The Import Curtain option is available from the Tools menu. Curtains can be displayed in a layout section track, in the same way properties can be displayed.

Graph (new)

• The Graph view enables you to display pie, doughnut, bar, line, and scatter plots. The data to graph is queried using the GeologSQL query language.

• The ability to display the mean value of any log using a GeologSQL query to calculate the mean value is now provided.

GUI

• A Tcl Script Editor has been added. Recorded macros are now opened in this window.

• Graphics appearance now supports styles allowing appearance across all views/templates to be changed with a single operation.

• In the Well application, the groups on the New tab have been reorganized.An Import/Export group has also been added.

• You can now set the size of the Recently Used group on the New tab, in the Preferences dialog box.

• A Save Workspace button has been added to the toolbar on the Well, Project and Geosteer application windows.

• The display of interval annotations on the Colormap dialog box has been improved.

• When you enter values in a text box, an in-place text entry control is now used instead of a separate prompt dialog.

• Better support to reject invalid characters as they are typed has been added.

• Custom menu files (.mmu) can now allow for specific operating systems by using the symbols OS_WINDOWS and OS_LINUX. This will allow custom menu files that can display menu items based on the OS upon which the application is run.

Hole Geometry

• The ability to change the format (e.g.{LOG:.:}) of the log names displayed in the Hole Geometry legend has been added.

• The Ignore Outliers feature has been replaced with Despike, which provides an improved method to remove outliers from the display.

Layout

• A new justify option, Adjust moves Artist objects in headers and footers as the layout grows or shrinks, whilst maintaining alignment.

• The header height of a track with the style option set to None can now be edited on the Common tab of the Properties dialog box.

• Where necessary, track headers and footers will now grow to accommodate logs added in a wireline track.

• Where necessary, layout details text will shrink slightly more to ensure it fits in the header or footer.

• You can now use variable text names in layout header and footer file names. For example, {WELL}.CGM.

• The state of empty tracks that have been automatically hidden is now retained when a layout is saved.

• Propagate has replaced Apply in the tooltips for the Propagate buttons on the Properties dialog box.

• The Properties dialog box now shows all the tracks you have hidden, at a glance, by shading these tracks in the track list.

• When you open a layout, it is now displayed with the width automatically fitted to screen.

• When you insert a picture, layout now automatically scrolls to the bottom.

• When you change the datum from a selection of intervals to WELL ALL, layout no longer jumps to the top of the well and remains at the same centered depth position.

• You can now save the current track settings as the defaults for that track type, in a spec file in your local project ./specs/default.<track_type>. For example, default.wireline.

• The new Change Sets feature means you can now change the names of the sets used for selected tracks or all sets specified in the layout in one operation.

• An option has been added to the Preferences settings enabling you to show/hide the name of the selected well in the layout border when multiple wells are selected.

• Controls for the cursor and motion colors have been added to Preferences.

• You now have the option to Go To a specified depth on the layout.

• Auto-completion is now turned off when a Zoom or Zoom To Scale Factor value is manually entered.

Layout Tracks

• Two new track types, Cross Plot and Histogram now provide you with the ability to plot crossplots and histograms over a specified interval size or log.

• Array track

• When an image log is displayed with the style set to Image or Both, the colormap specified is now automatically opened in the Colormap window.

• Borehole Section track

• The track header now show radius limits, with the maximum value on the extreme left and right, and the minimum value in the center.

• An indicator in the track header shows the orientation of the data, North or Top of Hole.

• Feedback has been added, indicating the azimuth and radius value corresponding to the mouse position.

• The start depth can now be controlled by the datum range top depth.

• Interval track

• Any number of interval tracks may now extend the drawing of interval boundaries across the layout.

• DATE and DATETIME data are now supported.

• Lithology track

• The limit on lithology fill names has been removed.

• Map2D track – The following enhancements have been made to the handling of the Axis Definition fields by the Map2D track and the Map 2D Viewer:

• Any axis information you enter in the Map2d track properties is now for display purposes only. That is, it is displayed on the track but no longer written to the log attributes.

• Stored log axis information for a log displayed on a Map2d track is now not displayed in the properties of the Map2D track.

• An extra line of feedback showing the real unit and value is now added when the horizontal axis has a special logarithmic unit and value in the db10 unit.

• When you open the Map 2D Viewer, if the axis log attributes are not available or invalid, a dialog box will be displayed prompting you to enter the axis information. This axis information will be stored as log attributes. Log axis information can now also be edited in a Map 2D Viewer.

• Point track

• Options have been added to display arrowheads and lines when displaying interval sampled data.

• Scale track

• Automatic grid increments are turned off when you change a grid increment (Fine, Medium or Coarse).

• You can now customize a Scale track to look more like a ruler.

• The scale limits of unrecognized logs are now set to min-max by default, instead of 0 -1.

• Changes have been made to tick marks to improve the appearance of the track.

• Tick marks can now be displayed on both sides of a Scale track.

• ELEVATION reference values are now shown in the Position dialog box when an ELEVATION reference is selected as the controlling scale.

• The ratio scale will now not display in the track header when it does not fit in the track.

• Table track

• DATE and DATETIME data are now supported.

• Wireline track

• Histogram interpolation styles; Top, Middle, Bottom are now available.

• An option to draw shading under the grid has been added.

• The maximum limit of 16 characters for the length of a FILL filename has been removed.

• When you specify a numeric log (for example a FACIES log) and a qualify function as the colormap to shade a log, shading now stops at the final depth of the numeric shading log.

• When point data is displayed and where missing frames occur, only a line will now be drawn between consecutive points.

• An option to copy the Left and Right limits, Unit and Scale properties of the selected log to all other logs in the track of the same unit category has been added.

Layout Tools

• Clear Logs

• The dialog box has been changed to make it more obvious that all three clear operations can be performed in one log clearing session.

• Depth Shift Logs

• The drag-draw operation has been improved for image, lithology, and table tracks.

• When shifting a borehole image on an Image track, all the ancillary logs; AZIREF_IMG, AZIREF_NORTH, AZIREF_TOH, DIA_IMG, GAPS_IMG (if available) required to display the image correctly and to pick dips are now automatically shifted and copied to the depth shifted output set.

• Edit Dips

• Dips can now be picked in a layout using original azimuth reference logs (e.g. RB, P1AZ) or third party logs to orientate the image.

• The height of planar features along the borehole axis is now stored as an additional log in the Dip set.

• If a diameter value is missing at the depth of a picked dip, a warning message will now be displayed and the nearest diameter value above the dip will be used.

• Edit Section (Geosteer and Offset Model)

• Preference support options have been added, enabling you to control what questions are asked regarding updating models when you close the Section Edit dialog box.

• Edit Table Track

• The Edit Table Track dialog box now has separate input fields for letters and numbers. The sensitivity of each field depends on the database log type (i.e. REAL vs ALPHA).

• Edit Wireline Log

• An option to insert constant values for a wireline log has been added.

• Merge Logs

• You can now manually enter log depth values on the Merge Logs dialog box.

• When you merge periodic data and Logs common to all selected sets is chosen, the merged logs can now be output to an existing set using log versioning.

Line of Section

• An option to change the appearance of the section line displayed in the map inset has been added.

• An Edge to Edge spacing mode has been implemented.

• Fixed spacing can now be used when the Section is a Straight Line, Segmented Line, or Fence, where previously it was only supported when it was a Fence.

• You can now view surfaces in a 3D model as lines without shading.

• Interwell features such as lenses, bars and channels that are independent of the interval scheme can now be inserted.

Loglan

• The loglan_compile module will now find a Visual Studio installation that is not installed in the default location.

• You can now format your Loglan descriptions using Markdown. The descriptions will be converted to HTML when the module help is displayed.

• The Loglan Help has been updated with:

• A list of Python equivalents to the Loglan functions.

• Descriptions of variables that contain log attributes in Python Loglans.

• Descriptions of variables that contain log attributes in Matlab Loglans.

• More information regarding the requirement settings to use gfortran in external functions on Linux.

• A toolbar button to open the current loglan in a Launcher view has been added.

• Geolog can now compile and then execute compiled Python scripts.

• Previously, Python Loglan parameters were only created by the gettable() function. These parameters are now available after the Geolog module is imported (import geolog), before the gettable() function is called. This gives the ability to run a Python Loglan that has parameters and is not well dependent.

• MATLAB Loglans can be compiled and then run without a MATLAB license.

• When you are editing in a multi-line text editor, pressing the Tab key will now indent by four spaces. The exception is the Text File view, where a Tab character will be inserted.

Miscellaneous

• The mass ratio units file has been updated.

• From Geolog – Paradigm 19, the utility program for exporting data from a Peloton WellView database will no longer be distributed. The version of Peloton WellView is not tied to the Geolog version so as long as the export utility is available from any previous Geolog installation it can continue to be used.

• Files installed as part of a Windows installation are now read only.

• Python 3.5 is now offered as part of the Geolog installation.

• The WELL ALL datum option works with any domain. If a reference log is not found in the reference set, then the required reference log is looked for in each set. The range is now the (smallest) minimum and (largest) maximum of the log found in the sets.

• The GeologSQL– Edit Database SELECT Query dialog box in the Report view now has a Values button to save and restore queries.

• The lithology_description_code.chmap file which maps lithology descriptions to codes has been added to the Geolog installation.

• You can now create dip category lists in the Dip Category Editor. This means you can sort the dip categories used in dip picking and displays.

• The Printer:Adobe Document Writer option now allows plots larger than 200 inches by splitting the print over multiple pages. When you select the File:Adobe PDF printing option, a Scaling dialog will now be displayed when the plot exceeds 200 inches.

• The Process ID (PID) is no longer shown in the feedback area of the Geolog Launcher Bar when you select File > Command Prompt.

• A procedure to locate the license debug log file has been added to the Licensing Troubleshooting section in the Environment Guide.

• The tp_dip_import_from_recall module has been added to the Geolog installation /bin directory. Run this module so that partial sinusoids, originally picked in RECALL are displayed at the correct depth.

• MATLAB 2018 and MATLAB Runtime 9.4 are the versions required with Geolog 19.

Module Launcher

• When you select the Monte Carlo option and then run a module, the _HI, _LO, and _ALL logs are no longer created for "invisible" output logs.

• Support for multiple-valued intervals has been added.

• The selected processing range is now displayed on the Module Launcher interface.

• The <LOG> Select dialog box initially sets the Set Wildcard filter to the input set name. The Log Wildcard or Alias filter is now set to the value of the log specified in the Name column of the parameters table. If this value does not result in a list of logs in the Logs list on the dialog box, then the value’s base name is tried. If a list of logs is still not displayed or if the selected log is the only log in the list, then the Log Wildcard or Alias value is cleared and all logs in the input set are displayed in the Logs list.

Multimin

• Multimin Model (Editor)

• You can now choose response values for ECS-Walk2 (previously called Linear) or the Litho Scanner tool for INES equations.

• On the Methods tab, the tools displayed in the Neutron Method drop-down list have been reorganized into Vendor groups. Additionally, some of the tool names have been updated.

• Neutron methods are now available for the Schlumberger EcoScope BPHI and TNPH 6.75", and (Anadrill) ADN 8.25" tools.

• In a Multimin model any input log, active or passive, can now be selected to synthesize an additional 'wet' log, assuming brine-filled saturation.

• Pressing the Delete key when the focus is in a table cell now resets the cell to its default value.

• Multimin Analysis

• Probabilistic model switching is now supported. Model results are combined using probability functions where each model has a probability ranging from 0.0 to 1.0. The Multimin results are calculated by a weighted average of all models.

• Multimin now outputs an Ro log, which is the resistivity of the water saturated reservoir.

• NIMBLE

• The limit of parameters that can be solved at one time has been increased from 20 to 50.

• Multimin Layouts

• WCLSH1 (Wet Clay/Shale 1), WCLSH2 (Wet Clay/Shale 2), and WCLSH3 (Wet Clay/Shale 3) mineral fill patterns have been added. These new mineral fill patterns and SILT have been added to the headers and interpretation columns in the Multimin layouts provided with the Geolog installation.

NMR

• All stacking modules now perform stacking according to the same rules; when the stacking window is partially outside the data range, any samples outside the range are ignored, and the average is taken from the rest of samples within the data range. In addition, only frames with values within the stacking window are used for the average calculation.

• In the MRIL Preprocessing modules, nmr_cmr_phase_smooth, nmr_phase_smooth, and nmr_gain_check_mril, the statistic values used are now recalculated for a given datum range, rather than using the global values of the input logs.

• The Noise Extraction (tp_nmr_noise_extraction) module has been moved from the Inversion menu to the Preprocessing menu.

• A generalized module, Format T2 Distribution (tp_mr_format_t2_distribution) has been added to the Inversion menu, to allow reformatting of T2 distribution logs that have not been produced in Geolog to calculate binned porosities. The module can remove zero-padded columns at the two ends of the input array, and also adjust the T2 time if it is defined by the midpoint bins.

• The repeat count of an input array log can now be read from a log attribute. As a result, the T2_BIN parameter which was used to specify the array repeat has been removed in the following modules; nmr_cmr_polc, nmr_cmr_polc_qc, nmr_sbvi, nmr_sbvi_thin_film, nmr_t2_bumps, nmr_t2_cut_cbw, nmr_t2_cutoff, nmr_t2_fluid_subs, nmr_t2_lm, nmr_t2_lm_range, nmr_t2_multi_cutoff, nmr_t2_pc_sw100, nmr_t2_peak_find, nmr_t2_pseudo_single_phase, nmr_t2_saddle_cut, and nmr_t2_syn.

• NMR2D

• When TCP_V data is available, the constant TE_S is now no longer required for the Schlumberger CMR Station (tp_nmr_format_cmr_station) module.

Offset Model

• Limits on the number of characters for interval names have been removed. Database name limits are now much larger.

• Geolog now exports T-surface files with X Y Z column names.

Pay Summary

• Access to the Pay Model Editor is now available from the Project application.

• The Geolog 8 version of the tp_pay_summary module called tp_pay_summary8 is now provided.

Production Logging

• The new Set Slip Velocity dialog box enables you to set slip velocities using a flow map.

Query (new)

• The Query view allows you to enter GeologSQL database queries and save the results as a set in the well database.

• GeologSQL queries now support a SAMPLE_THICKNESS symbol.

• GeologSQL queries now expand comment references in string log values.

Report

• Report view now supports multi-line text in GeologSQL query result tables.

Russian Logs

• Enhancements have been made to the following Environmental Correction modules:

• In the russian_nphi_2 module, you can now choose to use the default values or the true minimum and maximum log values.

• The russian_rk_pl_vt and russian_rk_h_vtau modules have been combined into a single module, russian_rk_h_vtau.

• The russian_gk_ds and russian_gk_ds_rho modules have been combined into a single module, russian_gk_ds.

• The russian_bk_cor_ds and russian_bk_cor_ds_cge modules have been combined into one module, russian_bk_cor_ds.

Ternary Plot

• Pressing the Escape button or clicking the middle-mouse button now closes the Edit Ternary Polygons dialog box.

Text

• The Purge command now deletes duplicate alpha logs.

• For ease of use, the size of the Comment Edit dialog has been increased.

• A Project column has been added to the Sets tab. For sets from included projects, the project names are now shown in the Project column in cells with a pale pink background.

• Quick Find has been updated to find characters within text strings whilst maintaining its ability to locate exact numbers.

• When the repeat for an alpha log exceeds 72 characters, the width of the Repeat column in the Log Values table will be limited to 72 characters wide (values can still be scrolled with arrow keys). A log value dialog box is now available so you can enter data for an alpha log with a repeat that exceeds 72 characters.

• Extra attributes (columns) can now be shown on the Logs tab.

Timeline (new)

• The Timeline view displays a visual timeline representation of the main operational activities completed on a well.

Well

• When multiple wells are open and an interval set is selected in the Ranges window, the list of intervals displayed is a combined list of all of the intervals in that set from all the open wells. To enable you to quickly identify which intervals are not present in the currently selected well or wells, these intervals are now shown with a dark gray background and white text.

• Where you have used a well list to select the wells to open, the well list name is now displayed in the Title bar of the application window.

• When File > Save > Save Well Data As is selected, deleted sets and logs are now shown in the Save As dialog box.

Well Catalog

• The QC and Color Invalid options now detect some value/unit mismatches that were not previously being detected.

• The commands Move To Set and Copy To Set have been added. These enable selected constants, comments and/or logs in a set to be moved or copied to another set in multiple wells.

• A new Table Selection option enables you to select the data to view on other tabs.

• A new Allow Well Delete option, that you must select before you can delete wells, has been added.

• The Purge command now deletes duplicate alpha logs.

• For ease of use, the size of the Comment Edit dialog has been increased.

• The following enhancements have been made to the Well Catalog search functionality:

• An option to search for logs based on the unit category they are in, as specified in loginfo, has been added.

• A search can now be performed using the Log - Date Modified attribute.

• An option to search for the best alias for a log has been added.

• A search performed with Any Alias or Best Alias turned on, no longer returns LOG_Suffix type logs when they are not defined as aliases.

Well Integrity

• A low density ultrasonic cement evaluation workflow has been added.

• Support for normalized ultrasonic radius and thickness arrays has been added to the Casing Inspection > Data Preparation (tp_wi_casing_data_preparation) module.

Well Path

• WMM 2015 v2 coefficient file has been included in the list of available geomagnetic models. This version is an out of cycle iteration of the WMM (normally every 5 years) intended to address the degraded performance of the WMM2015 in the Arctic region.

• Support for the BGGM2018 model has been implemented and verified.

• Support for the BGGM High Definition Geo-magnetic model has been implemented. This model is fully backward compatible with older BGGM model coefficients. High resolution coefficient files have been released by BGGM in 2019.

Well Schematic

• An optional Hole component for defining borehole sections has been added.

• The ALPHA type date log in the Perforations tab has been replaced with a log of DOUBLE type and unit DATE.

• A Date field and log have been added to the other components.

• A Date selector has been added to the Date fields.

Xplot

• The variable text {} expansions have been extended so that any of the well identifier type constants; {WELL_NAME}, {API_NUMBER} and {UNIQUE_WELL_ID} can be expanded where {WELL} is currently supported.

• The performance of calculating logs from cross plots when the input logs are array logs with large repeat counts has been improved.

 

 

 

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