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    • 5. 发明申请
    • FRACTURE STIMULATION PROCESS FOR CARBONATE RESERVOIRS
    • 碳酸盐储层的破裂刺激过程
    • WO2004035988A1
    • 2004-04-29
    • PCT/EP2003/010591
    • 2003-09-23
    • SCHLUMBERGER CANADA LIMITEDSERVICES PETROLIERS SCHLUMBERGERSCHLUMBERGER HOLDINGS LIMITEDSCHLUMBERGER TECHNOLOGY B.V.SOFITECH N.V.
    • FREDD, Christopher
    • E21B43/26
    • C09K8/72C09K8/66
    • A new process of fracture stimulating a carbonate reservoir in a subterranean formation to stimulate the production of hydrocarbon fluids from the formation is described. During the process, the composition and reactivity of the fracture stimulation fluid that is injected into the formation surrounding a wellbore is varied from a lower reactive fluid to a higher reactive fluid. The process is designed to stimulate the fracture starting from the tip of the fracture and progressing along the fracture back to the wellbore. The reactivity of the fracture stimulation fluid is increased to maintain optimum stimulation conditions for the formation of conductive flow channels along the faces of the fracture. An optimum fracture stimulation efficiency number, F f , is used (generally integrated into a fracture simulator computer program) to regulate the fluid composition by reactivity and flow rate, based on formation and fluid parameters.
    • 描述了一种新的裂缝刺激地下地层中的碳酸盐岩储层以刺激从地层中产生烃流体的新方法。 在该过程中,注入到井筒周围的地层中的断裂刺激流体的组成和反应性从较低的反应流体变化到较高的反应流体。 该过程旨在从骨折尖端刺激骨折,并沿骨折向井眼前进。 裂缝刺激流体的反应性增加,以保持沿着断裂面形成导电流动通道的最佳刺激条件。 基于形成和流体参数,使用最佳的裂缝刺激效率数Ff(通常整合到断裂模拟器计算机程序中)以通过反应性和流速来调节流体组成。