Schlumberger Technology Corporation

Robert Ian Robson

Todor K Sheiretov

Lawrence C Lee

Olivier Sindt

Michael Shepherd

Roger A Post

Joseph F Cordera

Norman Ward

A skinned rotoror skinned statorof a progressive cavity apparatus is described. A rotorcan be skinned by threading a sleevewith a profiled helical outerand profiled helical innersurface onto a corewith a profiled helical outer surface. A rotor () can also be skinned by inserting a non-helical core () into a non-helical longitudinal bore () of a sleeve () with a profiled helical outer surface (). A statorcan be skinned by threading a tubular linerwith profiled helical innerand profiled helical outersurfaces into a profiled helical boreof a tube. A stator () can also be skinned by inserting a tubular liner () with a non-helical outer surface () into a non-helical bore () of a tube ().

Skinning of progressive cavity apparatus

A connector latch includes a housing body having an internal cavity, a grippable member slidably coupled to the housing body, and a hydraulic mechanism on the housing body for delaying sliding of the housing body relative to the grippable member when an external force is applied to the housing body.

Time-delayed connector latch

Growing community of inventors

Cheltenham, United Kingdom

Robert Ian Robson