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Applying triaxial stresses to a core sample during perforation and flow testing
Applying triaxial stresses to a core sample during perforation and flow testing
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机译:在射孔和流动测试期间对岩心样品施加三轴应力
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摘要
Apparatuses and methods for applying triaxial stresses to a core sample during perforation and flow testing. A core sample of rock is positioned within a fixture shell of an overburden stress apparatus, which is placed within a pressure vessel. The pressure vessel applies a vessel pressure to the overburden stress apparatus. The overburden stress apparatus contains a plurality of stress members which apply overburden stresses to the core sample along its three principal axes. The applied overburden stresses are resisted by a combination of the structural integrity of the overburden stress apparatus and the circumferential support applied to the overburden stress apparatus by the vessel pressure. With the overburden stresses applied, the core sample can undergo perforation testing, production testing, and injection testing.
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