CN112267830A
|
|
Short radius controllable track drilling tool
|
CN112031653A
|
|
Easily-deflecting hybrid rotary steering drilling system
|
WO2020244629A1
|
|
Rotary guide device
|
WO2020211842A1
|
|
Pose monitoring apparatus and method for geosteering system
|
CN111173452A
|
|
Static offset rotary steering drilling tool with sandwich cylinder structure
|
CN110617011A
|
|
Rotary steering drilling tool based on weight-on-bit steering transmission structure
|
CN112211556A
|
|
Static directional rotary guide device based on hydraulic principle
|
CN111827979A
|
|
Attitude monitoring device and method for static bias rotating geosteering system
|
CN112049570A
|
|
Rotary steering composite drilling device and drilling method thereof
|
CN111980582A
|
|
Locking device of static bias rotary guide underground rotary structure
|
CN107384340A
|
|
A kind of drilling fluid allocation method for preventing that drilling tool mud drum from hanging tag
|
CN105804655A
|
|
Rotary valve reversing type liquid power peripheral impacting device realization method and structure
|