LandOfFree - US Patents - Listing for Wells

Wells – Processes – Distinct – separate injection and producing wells

A CO.sub.2 drive process for oil recovery employing an alcohol e

Wells – Above ground apparatus – Well caps or casing heads

A hydraulic remotely-controlled bleeder valve for a well head

Wells – Submerged well – With provision for disassembly

Abandoning offshore well

Wells – Submerged well – Means removably connected to permanent well structure

Abandonment and retrieval apparatus and method

Wells – Submerged well – With safety or emergency shutoff

Abandonment of sub-sea wells

Wells – With below and above ground modification – Eduction pump or plunger in well

Above ground--below ground pump apparatus

Wells – Processes – Sampling well fluid

Above packer perforate test and sample tool and method of use

Wells – Processes – Sampling well fluid

Above packer perforate, test and sample tool and method of use

Wells – With eduction pump or plunger – With packer or plug

Above production disposal tool

Wells – Above ground apparatus – With means for inserting fluid into well

Abrasion resistant frac head

Wells – Processes – Perforating – weakening – bending or separating pipe at an...

Abrasive jet cutting system and method for cutting wellbore...

Wells – Processes – Graveling or filter forming

Abrasive slurry delivery apparatus and methods of using same

Wells – Processes – Graveling or filter forming

Abrasive slurry delivery apparatus and methods of using same

Wells – Processes – Cleaning or unloading well

Abrasives for well cleaning

Wells – Processes – With indicating – testing – measuring or locating

Accelerated downhole pressure testing

Wells – Processes – With indicating – testing – measuring or locating

Accelerated downhole pressure testing

Wells – Processes – Cementing – plugging or consolidating

Accelerated polymer gelation process for oil recovery applicatio

Wells – Processes – Cementing – plugging or consolidating

Accelerating set of retarded cement

Wells – Processes – Cementing – plugging or consolidating

Accelerating set of retarded cement