作者: Donald E. Schroeder , Brian A. Butler
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摘要: Method and means for preventing fluidization or mobilization of a gravel pack in fluid producing well as result increased pressure caused by shut-in other surge. A relief valve the form check is provided tubing string below packer surrounding above top pack. The held closed position biasing force, such spring, which less than will cause surge flow rate decrease increases causes to open, thereby relieving point critical level.