Research and Application of Delayed Break and Forced Fracture Closure Technology
Drilling Fluid & Completion Fluid(2006)
摘要
The delayed break technology was presented.By adding the capsule breaker,the temperature and shear stabilities of the plant gum fracturing fluid could be improved.And also,the concentrated capsule breaker could be available with no damage to such performances of fracturing fluid as rehology,filtration and prop carrying capacity.Comparing with the conventional break technology,this technology has a delayed release rate of 50%,the liquid residue could be removed more effectively and could minimize the reservoir damage. At the same time,the settling rate of the proppant could be reduced,better sediment profile could form,the fracture conductivity could be improved and the damage induced by the filter cake and the residue could be reduced due to the characteristic of delayed breaking and the right blow off operation.
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关键词
delayed break,fracture
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