Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Apparatus and method for cementing a liner in a well bore

Apparatus and method for cementing a liner in a well bore

US Patent 4842069 · Granted Jun 27, 1989

Estimated economic value: $16,319,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Actuation and release tool for subterranean tools2015
Mechanical lock with pressure balanced floating piston2013
Cementing head2010
Seal and slip assembly for expandable downhole tools2010
Choke or inline valve2010
Drilling efficiency through beneficial management of rock stress levels via cont2010
Expandable packer with anchoring feature2010
Expandable slip ring2009
Expandable tubular connection2009
Cased hole perforating alternative2009
Hydraulic set permanent packer with isolation of hydraulic actuator and built in2008
Drilling efficiency through beneficial management of rock stress levels via cont2008