Coupled Geomechanics and Chemistry Model for Acid Stimulation of Naturally Fractured Carbonate Reservoirs

IF 4.3 3区材料科学 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

ACS Applied Electronic Materials Pub Date : 2024-02-01 DOI:10.2118/218422-pa

Dmitry Chuprakov, A. Peshcherenko, Mikhail Anisimov

引用次数: 0

Abstract

Treatments of naturally fractured carbonate formations typically involve acid injection when damage of natural fractures (NFs) occurs mechanically and chemically. Coupled modeling of both mechanisms is often neglected. We build a quantitative model of damageable reservoir, where the permeability depends on the shear and tensile activation of NFs, as well as acid transport and reaction. Simulations demonstrate model applicability to NF acidizing and acid fracturing. Particularly, we show that strong pressure drawdowns in tight carbonates result in steep production declines because of NF pinching.

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天然裂缝碳酸盐岩储层酸性刺激的地质力学和化学耦合模型

当天然裂缝（NFs）发生机械和化学破坏时，对天然断裂碳酸盐岩层的处理通常需要注酸。这两种机制的耦合模型往往被忽视。我们建立了一个可破坏储层的定量模型，在该模型中，渗透率取决于天然裂缝的剪切和拉伸活化，以及酸的运移和反应。模拟证明了该模型适用于 NF 酸化和酸压裂。特别是，我们证明了致密碳酸盐岩中的强压力下降会因 NF 挤压而导致产量急剧下降。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

ACS Applied Electronic Materials Multiple-

CiteScore

7.20

自引率

4.30%

发文量

567

期刊介绍： ACS Applied Electronic Materials is an interdisciplinary journal publishing original research covering all aspects of electronic materials. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrate knowledge in the areas of materials science, engineering, optics, physics, and chemistry into important applications of electronic materials. Sample research topics that span the journal's scope are inorganic, organic, ionic and polymeric materials with properties that include conducting, semiconducting, superconducting, insulating, dielectric, magnetic, optoelectronic, piezoelectric, ferroelectric and thermoelectric. Indexed/Abstracted： Web of Science SCIE Scopus CAS INSPEC Portico