بررسی کیفیت مخزنی | CGG Jason 2024

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Optimize your field development, reservoir management and well planning using seismic inversion and reservoir characterization technology from the Jason® 2024 software suite. Advanced seismic reservoir characterization workflows within Jason yield timely answers for critical decisions. Produce a clear view of difficult reservoirs, Define the best drilling and fracturing programs in unconventional shale gas and oil reservoirs, Locate and produce thin reservoirs more effectively, Unravel tuning and AVO effects to map the true geological character of complex reservoirs.

 

 

RockTrace® quantitatively integrates well log elastic rock properties and AVA seismic to produce calibrated, quantitative 3D volumes of rock properties. This module determines key reservoir properties, P-impedance, S-impedance, density and Vp/Vs, through the inversion of partial offset or angle stacks. RockTrace AVO inversion integrates sparse spike inversion technology with sophisticated low-frequency modeling techniques to produce the most advanced deterministic estimates of reservoir properties in the industry.

Benefits of RockTrace:

Consistent, accurate reservoir properties

Realistic low-frequency models consistent with geology

Fewer and better wells drilled

Exploration and production goals met

Optimum development of reservoirs

Accurate reserve estimates

StatMod® performs single stack geostatistical reservoir characterization to produce multiple predictive fine-scale reservoir models that are consistent across all pertinent geoscience domains. This degree of cross-domain consistency ensures that reservoir models are realistic and maximizes the value of all measured data and inferred information. In addition, these reservoir models remain accurate away from the available well control where reliability of conventional stochastic models typically suffers. StatMod is relevant where single parameter like P-Impedance is sufficient to distinguish the facies of interest.

Benefits of StatMod:

Produces accurate and predictive reservoir models that are consistent with all data and knowledge available in the field

Generates highly detailed multiple realizations to provide a reliable basis for quantitative measure of uncertainties associated with data, models and thin beds

RockMod® performs multiple stack (AVO/AVA) geostatistical reservoir characterization to produce multiple highly detailed models through tightly integrating disparate data across all pertinent geoscience domains. The outcome is accurate reservoir models in depth for prediction of field reserves, fluid flow patterns, and future production. Another value it provides is a reliable basis for quantitative measure of uncertainty. RockMod is relevant where dual or triple parameters like P-Impedance, S-Impedance and Density are needed to distinguish the facies of interest.

Benefits of RockMod:

Produces accurate and predictive reservoir models that are consistent with all data and knowledge available in the field

Generates highly detailed multiple realizations to provide a reliable basis for quantitative measure of uncertainties associated with data, models and thin beds.

Anisotropic Inversion is a Jason-exclusive seismic inversion software that applies new analysis technology for effective well design and optimum production. Anisotropic Inversion is built on proven RockTrace® technology and seamlessly integrates within the GeoSoftware platform. The Jason-patented relation between elastic dependence and anisotropy allows Quantitative Interpretation (QI) teams to more accurately characterize reservoirs that have significant anisotropy. Oil companies can now take advantage of the reservoir information in azimuthal seismic surveys to define optimum reservoir drilling locations.

Benefits of Anisotropic Inversion:

Build advanced predictive reservoir models

Understand premature water breakthrough in shale and fractured carbonate reservoirs

Improve well planning in shale and in fractured carbonate reservoirs

Facies & Fluids Probabilities (FFP) is an interactive interpretation tool for determining lithofacies from the outcomes of acoustic and elastic inversions. Facies are usually defined in the petrophysical domain, after which proxies are confirmed in the elastic domain. Typically, P-impedance and Vp/Vs are used. For unconventional scenarios, the key elastic proxies could be geomechanical.

Benefits of FFP:

Optimize reservoir appraisal and assessment with probability-based QI interpretations

Generate facies maps that are meaningful to geologists

Discover unknown facies

DepthMod™ is a velocity model calibration application that ensures calibrated models can be used to convert time data (inversions) to depth, which ties well tops. This module can calibrate velocity functions for use in re-depthing – ensuring that depth volumes provided by clients tie wells. Designed for engineers and quantitative interpretation teams who must plan wells in depth, DepthMod can obtain accurate reserve estimates and well planning in depth. Complex, fully 3D models incorporating lateral velocity changes and faults can be used to effect accurate time-to-depth conversions about User-defined time and depth datums.

 

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