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METHODS OF INCREASING FRACTURE RESISTANCE IN LOW PERMEABILITY FORMATIONS.
METHODS OF INCREASING FRACTURE RESISTANCE IN LOW PERMEABILITY FORMATIONS.
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机译:在低渗透地层中增加抗断裂性的方法。
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摘要
A method of increasing the fracture resistance of a low permeability formation that includes emplacing a wellbore fluid in a wellbore through the low permeability formation, the wellbore fluid comprising: a settable carrier fluid; and a solid particulate bridging material; increasing the pressure in the wellbore such that fractures are formed in the formation; allowing the settable carrier fluid to enter the fractures; bridging and sealing the mouths of the fractures to form a substantially impermeable bridge proximate the mouth of the fractures thereby strengthening the formation; and holding the increased pressure for an amount of time sufficient for setting of the carrier fluid in the fractures is disclosed.
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