Magnetic junk retriever

Magnetic sensing device

Measuring assembly comprising means for orienting a part of the

Metal coiled tubing with signal transmitting passageway

Method and an apparatus for evaluating a geometry of a...

Method and apparatus for communicating with downhole devices...

Method and apparatus for detecting acoustic activity in a...

Method and apparatus for the remote control and monitoring...

Method and system for moving equipment into and through an...

Methods and apparatus to control downhole tools

Modular wireline tool connector with swivel coupling

Motor drive actuator for downhole flow control devices

Multi-functional downhole cable system

Multilateral well and electrical transmission system

Non-conductive and non-magnetic flowline for electromagnetic...

Oil and gas well diversionary spool assembly

Packer with electrical conduit bypass

Permanent-magnet wax-proof device

Piloting actuator valve for subterranean flow control

Piloting actuator valve for subterranean flow control