Schlumberger Technology Corporation

Michael Joseph Gratzinger

Edgar Jose Montiel

Brian John Bethscheider

Embodiments may generally take the form of a safety joint and methods related thereto. One embodiment may take the form of a safety joint deployable in a well. The safety joint includes a first sub and a second sub coupled to the first sub. The coupling of the two subs may include a first set of threads having a first orientation and a second set of threads having a second orientation different from the first set of threads. The first sub is decoupleable from the second sub upon disengagement of the first set of threads by rotation in a first direction followed by disengagement of the second set of threads by rotation in a direction opposite from the first direction.

Opposing thread screw safety joint

A slip joint assembly that is usable with a well includes first, second and third tubular housing sections; and first and second mandrels. The first tubular housing section is adapted to connect to a first tubing string segment; the second tubular housing section is adapted to connect to a second tubing string segment; the third tubular housing section disposed between the first and second tubular housing sections; the first mandrel forms a slidable connection with the first tubular housing section; and the second mandrel forms a slidable connection with the second tubular housing section.

Growing community of inventors

Houston, TX, United States of America

Michael Joseph Gratzinger