Neil Andrew Abercrombie Simpson

Procedures and equipment for profiling and jointing of pipes

Method and apparatus for drilling and lining a wellbore

Apparatus and methods for expanding tubulars in a wellbore

Method and apparatus for downhole sealing

Apparatus and method for isolating a section of tubing

Apparatus and methods for separating and joining tubulars in a wellbore

Method and apparatus for expanding and separating tubulars in a wellbore

Method and apparatus for expanding a liner patch

High pressure high temperature packer system, improved expansion assembly for a tubular expander tool, and method of tubular expansion

Bore-lining tubing