|
CN109931044A
|
|
A kind of cylinder three combines the device of cumulative pressure break increase shale gas recovery ratio
|
|
CN109812253A
|
|
A kind of cylinder cumulative pressure break increases the device of shale gas recovery ratio
|
|
CN108487896A
|
|
A kind of pressure break mode increases the rotation arc surface energy gathering cap of shale gas recovery ratio
|
|
CN108487893A
|
|
A kind of circular arc cylinder cumulative pressure break increases the device of shale gas recovery ratio
|
|
CN108361014A
|
|
A kind of pressure break mode increases the cylinder energy gathering cap of shale gas recovery ratio
|
|
CN108612512A
|
|
A kind of paraboloid of revolution cumulative pressure break increases the device of shale gas recovery ratio
|
|
CN108331570A
|
|
A kind of double combination cumulative pressure breaks of the paraboloid of revolution increase the device of shale gas recovery ratio
|
|
CN108361015A
|
|
A kind of pressure break mode increases the parabolic cylinder energy gathering cap of shale gas recovery ratio
|
|
CN108547605A
|
|
A kind of surface of revolution three combines the device of cumulative pressure break increase shale gas recovery ratio
|
|
CN108612511A
|
|
A kind of rotation arc surface cumulative pressure break increases the device of shale gas recovery ratio
|
|
CN108361017A
|
|
A kind of oblique paraboloid energy gathering cap of the rotation that pressure break mode increases shale gas recovery ratio
|
|
CN108547606A
|
|
A kind of surface of revolution cumulative pressure break increases the device of shale gas recovery ratio
|
|
CN108361016A
|
|
A kind of pressure break mode increases the surface of revolution energy gathering cap of shale gas recovery ratio
|
|
CN108612510A
|
|
A kind of oblique paraboloid cumulative pressure break of rotation increases the device of shale gas recovery ratio
|
|
CN108361018A
|
|
A kind of pressure break mode increases the paraboloid of revolution energy gathering cap of shale gas recovery ratio
|
