LandOfFree - US Patents - Listing for Wells,Processes,Placing fluid into the formation

Wells – Processes – Placing fluid into the formation

Packer for oil or gas well with lateral passage therethrough and

Wells – Processes – Placing fluid into the formation

Parallel fracturing system for wellbores

Wells – Processes – Placing fluid into the formation

Perforating and fracturing

Wells – Processes – Placing fluid into the formation

Perforating and fracturing

Wells – Processes – Placing fluid into the formation

Permeability restoration of damaged formations

Wells – Processes – Placing fluid into the formation

Permeable cement and methods of fracturing utilizing...

Wells – Processes – Placing fluid into the formation

Permeable cement composition and method for preparing the same

Wells – Processes – Placing fluid into the formation

Pneumatic well tool for stimulation of petroleum formations

Wells – Processes – Placing fluid into the formation

Polymer enhanced foams for reducing gas coning

Wells – Processes – Placing fluid into the formation

Polymeric gel system and use in hydrocarbon recovery

Wells – Processes – Placing fluid into the formation

Ported sub treatment system

Wells – Processes – Placing fluid into the formation

Potassium hydroxide clay stabilization process

Wells – Processes – Placing fluid into the formation

Pressure regulated chemical injection system

Wells – Processes – Placing fluid into the formation

Pressurized chemical injection system

Wells – Processes – Placing fluid into the formation

Primary electro-mechanical initiating dump bailer device and...

Wells – Processes – Placing fluid into the formation

Process for chemically and mechanically limited reservoir acidiz

Wells – Processes – Placing fluid into the formation

Process for displacing oil using aqueous anionic surfactant syst

Wells – Processes – Placing fluid into the formation

Process for eliminating clays from rocks and sedimentary environ

Wells – Processes – Placing fluid into the formation

Process for fracturing subterranean formations