China Oilfield Services, Limited

Minglue Fan

Yongren Feng

Lin Huang

Zhibin Tian

Zanqing Wei

Yong Jiang

Peng Sun

Bin Gao

Shiwei Zong

Xiaoqiang Du

A downhole oil level detection device includes a mounting housing () and a balance cylinder () installed on the mounting housing (). The balance cylinder () includes a cylinder body () and a moving piston (), a piston tension spring (), a moving rod (), a moving rod compression spring () and a displacement sensor () installed in the cylinder body (). One end of the piston tension spring () is fixed to one end of the cylinder body (), the other end thereof is connected to one side of the moving piston (); one side of the moving piston () is also connected to one end of the moving rod compression spring (), the other end of the moving rod compression spring () is connected to one end of the moving rod (), the other end of the moving rod () is provided with the displacement sensor ().

Downhole oil level detection device

Growing community of inventors

Hebei, China

Minglue Fan