Method for increasing the recovery of natural gas from a geo-pre

Method for increasing the recovery of oil and gas from a water i

Method for protection of well equipment from particles of debris

Method for selectively retrieving a plurality of well packers

Method for shutting in a production well

Method for well exploitation

Method of cleaning tubular members on a rig floor

Method of completing wells in which the lower tubing is suspende

Method of drilling an oil well to recover casings

Method of mixing fluids in a well bore

Method of moving a through-the-flowline installed safety valve t

Method of operating a subsurface safety valve in response to an

Method of preventing well bore drilling fluid overflow and forma

Method of sealing the annulus between a toolstring and casing he

Method of using a subsurface safety valve

Methods of small volume pumping especially suited for oil recove

Mud check valves in drilling apparatus (wells)

Mud diverter and method for horizontal drilling

Mudsaver valve

Multi-cycle downhill apparatus