ADVANCED METHODS OF FRACTURE GEOMETRY ANALYSIS AND PARAMETERS SENSITIVITY STUDY

Durmagambetov B. Abdrazakov D. Urmanova D.
2022 National Academy of Sciences of the Republic of Kazakhstan

News of the National Academy of Sciences of the Republic of Kazakhstan, Series of Geology and Technical Sciences
2022 #6 Issue 456 45 - 57 pp.

This article highlights the Integrated Research study ofproduction optimization using Multiphysics hydraulic fracturing simulator ad an ced numerical matrix flow simulator. Current work is based on actual field study to understand one of the key challenges of the oilfield: What are the real geometryand characteristics of the hydraulic fractures, andh ow can we optimiz them? Additional challenge for the project was a need to invmleaningful research component, meaning that software used in the project should be onb ased outstanding or new algorithms and workflows. In collaboration with Schlumberger Research Centers, the integrated Field-Software-Analytic workflow was developed to resolve challenges mentioned above. This workflow consisted of the following steps. First, for the first time in region, the Hydraulic-fracture-induced rock anisotropy survey was performed in fractured well using dipole acoustic tool. Then, Reservoir- centric Multiphysics fracturing simulator was employed to run digital sensitivity study of the fracture parameters Finally, the hydrodynamic simulation using Intersect, with subsequent analysis, closed the loop. As a result of the applied workflow with the help of powerful Multiphysics model, it rev e aled that the fracture effective length is overestimated by 40%, which significantlyaffects the fracturing projects profitability estimations. More than that, thanks to the advanced particle transport algorithm inside Multiphysics FracturingSimulator, for the first time in region, the detailed proppant distribution inside hydraulic fractureswere understood, and optimization recommendations were given. Example of this study clearly shows how integration of the latest digital Multiphysics solutio(Ksinetix based on recognized reservoir-centric platform (Petrel can be combined witha dvanced surveys (induced anisotropy detection to yield a reasonable conclusion on hydraulic fracturing strategy.

Dipole Acoustic log , Fracture geometry , Hydraulic fracturing , Proppant distribution

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Satbayev University, Almaty, Kazakhstan
Schlumberger, Atyrau, Kazakhstan

Satbayev University
Schlumberger

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