A hydraulic remotely-controlled bleeder valve for a well head

Abrasion resistant frac head

Active/passive seal rotating control head

Adjustable mechanism for stabbing and threading a drill pipe saf

Adjustable pipe guide for use with an elevator and/or a spider

Adjustable stuffing boxes for pump rods

Air filter for a well

Annular and concentric flow wellhead isolation tool

Annular packer and insert

Annulus sliding sleeve valve

Annulus valve

Annulus valve for concentric tubing hangers

Aparatus for spooled tubing operations

Aparatus for spooled tubing operations

Apparatus and method

Apparatus and method for cleaning out sand from an...

Apparatus and method for containing oil from a deep water...

Apparatus and method for improved tubular grip assurance

Apparatus and method for improved tubular grip assurance

Apparatus and method for inserting or removing a string of...