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Hydraulic Fracturing in Highly Heterogeneous Formations by Resisting Formation and/or Sealing Micro-Fractures
Hydraulic Fracturing in Highly Heterogeneous Formations by Resisting Formation and/or Sealing Micro-Fractures
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机译:抵抗地层和/或封闭微裂缝的非均质地层水力压裂
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摘要
Well completion technology is disclosed for resisting imbibing frack fluid into an inner surface of a frack. A frack fluid is pumped into the wellbore to form a fracture in a formation surrounding a wellbore. In one example, formation of transverse micro-fractures extending transverse to the fracture is resisted to resist absorption of the frack fluid into the formation through the inner face of the fracture, and into the transverse micro-fractures formed by the pumping of the frack fluid. In another example, a sealer is added to a frack fluid to sealing or coating an inner face of the fracture with the sealer. In another example, micro-particles with a size less than 100 microns are added to the frack fluid.
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