LandOfFree - US Patents - Listing for Wells,Processes

Wells – Processes – Operating valve – closure – or changeable restrictor in a well

Ball seat having ball support member

Wells – Processes – Operating valve – closure – or changeable restrictor in a well

Ball seat with controlled releasing pressure and method setting

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

Ball switch device and method

Wells – Processes – Operating valve – closure – or changeable restrictor in a well

Ballistically compatible backpressure valve

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

Bar actuated vent assembly

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

Bar actuated vent assembly and perforating gun

Wells – Processes – Producing the well

Barrier orifice valve for gas lift

Wells – Processes – Producing the well

Barrier orifice valve for gas lift

Wells – Processes – Placing or shifting well part

Base-pipe flow control mechanism

Wells – Processes – In situ combustion

Batch method of in situ steam generation

Wells – Processes – Operating valve – closure – or changeable restrictor in a well

Bearing mounted ball valve and method of use

Wells – Processes – Cyclic injection then production of a single well

Below fracture pressure pulsed gel injection method

Wells – Processes – Cementing – plugging or consolidating

Bentonite nodules

Wells – Processes – Operating valve – closure – or changeable restrictor in a well

Bi-directional ball seat system and method

Wells – Processes – Operating valve – closure – or changeable restrictor in a well

Bi-directional ball seat system and method

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

Bi-directional explosive transfer apparatus and method

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

Bi-directional explosive transfer subassembly and method for...

Wells – Processes – Placing or shifting well part

Bi-directional fluid loss device and method

Wells – Processes – Placing or shifting well part

Bi-directional grip mechanism for a wide range of bore sizes