LandOfFree - US Patents - Listing for Wells,Processes

Circulating sub with mudsaver for dispensing and circulating...

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

Circulating valve apparatus and drill stem test method allowing

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

Circulating valve responsive to fluid flow rate therethrough and

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

Circulation control valve and associated method

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

Circulation control valve and associated method

Circulation tool

Wells – Processes – Graveling or filter forming

Circulation tool for use in gravel packing of wellbores

Wells – Processes – Graveling or filter forming

Circulation tool for use in gravel packing of wellbores

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

Circulation valve

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

Clamp mechanism for in-well seismic station

Clamping well casings

Wells – Processes – Placing fluid into the formation

Clay control additive for wellbore fluids

Wells – Processes – Cementing – plugging or consolidating

Clay stabilization during oil and gas well cementing operations

Wells – Processes – Specific low fluid loss feature for fracturing fluid or...

Clay stabilizing agent and a method of use in subterranean forma

Wells – Processes – Cementing – plugging or consolidating

Clay stabilizing method for oil and gas well treatment

Wells – Processes – Specific propping feature

Clean fluid systems for partial monolayer fracturing

Wells – Processes – Separating material entering well

Clean water injection system

Wells – Processes – Material placed in pores of formation to treat resident...

Cleaning compositions for oil and gas wells, lines, casings,...

Wells – Processes – Cleaning or unloading well

Cleanout procedure for well with low bottom hole pressure