group nameDrilling Rig Accessories
Min Order1 piece
update timeSun, 07 Apr 2013 23:56:54 GMT
oilfield equipments API
Use Well Drilling
Certification API
Min Order1 piece
Spiral drill collar Spiral drill collar are a kind of petroleum drilling tool series of our company. This kind of drill collar is capable of preventing differential pressure detention of tools during drilling.
Spiral grooves will enable the mud to flow freely around the drill collar to use balance pressure to prevent the formation of obstruction so as to effectively prevent differential pressure jamming. The contact area against the wall of the well can be cut so as to effectively reduce the possibility of forming differential pressure obstruction.
|
网络文化经营许可证:浙ICP备14006100号-11 2007-2024 Tradevv.com. All rights reserved.