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CN4 patents
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US9080426B2Jul 14, 2015
Anti-channeling pack-off particles used in a production section of an oil-gas well, and completion method and production method using such particles
PEI BAILIN3 citations57
US9022110B2May 5, 2015
Segmental flow-control method for flow-control filter string in oil-gas well and oil-gas well structure
PEI BAILIN0 citations34
US9664014B2May 30, 2017
Method and system for segmental flow control in oil-gas well
PEI BAILIN0 citations30
US9151142B2Oct 6, 2015
Segmental flow control method and apparatus for a flow control filter string in an oil-gas well
PEI BAILIN0 citations25