China National Offshore Oil Corporation

China Oilfield Services, Limited

Guangshuai Li

Yongren Feng

Xiaodong Chu

Tiemin Liu

Zhibin Tian

Xingfang Wu

Jibin Zou

Zhongtian Hao

Guoqiang Zhang

Yiming Wu

A horizontal-to-vertical drilling module for a deep well includes a fixed plate () provided with a first guide hole having a turning section (), a core breaking section () and a moving section (); a movable plate () movably mounted on one side of the fixed plate and provided with a second guide hole having a turning driving section (), a core breaking driving section () and a moving driving section (), the projection of the first guide hole on the movable plate intersecting with the second guide hole; a coring module () positioned at the other side of the fixed plate and provided with a moving column () on the side facing the fixed plate; and a moving slider () having an open groove (), the moving slider being installed in the first guide hole and rotatably connected to the coring module.

Horizontal-to-vertical drilling module for deep well

Growing community of inventors

Langfang, China

Guangshuai Li