Packer and service tool assembly

Positive indication shear ring

Proppant containment apparatus

Proppant slurry screen apparatus and methods of using same

Remotely operated multi-zone packing system

Retrievable gravel packer and retrieving tool

Screen assemblies and methods of securing screens

Single acting subterranean well valve assembly with conduit flui

Single zone gravel packing system

Slurry up particulate placement tool

System for isolating multiple gravel packed zones in wells

Systems for producing bitumen from tar sands

Tool for blocking axial flow in gravel-packed well annulus

Tools for delivering fluid to spaced levels in a wellbore

Torque limiter for auger gravel pack assembly

Tubing-conveyed gravel packing tool and method

Water well construction

Well completion tool

Well production system to prevent cave-in and sloughing in uncon

Well screen