LandOfFree - US Patents - Listing for Wells,Processes

Wells – Processes – Assembling well part

Packing tube assembly for pumping wells

Wells – Processes – Dissolving or preventing formation of solid oil deposit

Paraffin cleaner

Wells – Processes – Placing fluid into the formation

Parallel fracturing system for wellbores

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

Parallel horizontal wells

Wells – Processes – Distinct – separate injection and producing wells

Parallel string method for multiple string, thermal fluid inject

Partial coil-in-coil tubing

Wells – Processes – Distinct – separate injection and producing wells

Partially crosslinked polymer used in correcting subterranean fo

Wells – Processes – Specific low fluid loss feature for fluid attacking formation

Particles in oil for viscoelastic surfactant gelled fluids

Pass-through zone isolation packer and process for isolating zon

Passive logging sonde auger tool

Wells – Processes – Cementing – plugging or consolidating

Patching of injection and production well annular casing leaks f

Wells – Processes – Repairing object in well

Patching of injection and production well annular casing leaks f

Wells – Processes – Specific pattern of plural wells

Patterns of horizontal and vertical wells for improving oil reco

Wells – Processes – Specific pattern of plural wells

Patterns of horizontal and vertical wells for improving oil reco

Wells – Processes – Specific pattern of plural wells

Patterns of vertical and horizontal wells for improving oil reco

PBR with latching system for tubing

Wells – Processes – Assembling well part

Percussion drilling assembly with annular locking member

Wells – Processes – Cementing – plugging or consolidating

Percussion tool and method

Wells – Processes – Freeing stuck object – grappling or fishing in well

Percussion tool and method