LandOfFree - US Patents - Listing for Wells,Processes

Wells – Processes – Placing or shifting well part

Cement-through, tubing retrievable safety valve

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

Cemented open hole selective fracing system

Wells – Processes – Separate steps of fracturing or attacking formation

Cemented open hole selective fracing system

Wells – Processes – Cementing – plugging or consolidating

Cementing against evaporites

Wells – Processes – Cementing – plugging or consolidating

Cementing and rotating an upper well casing attached by swivel t

Wells – Processes – Cementing – plugging or consolidating

Cementing apparatus and method

Wells – Processes – Cementing – plugging or consolidating

Cementing apparatus and method for execution of cementing operat

Wells – Processes – Cementing – plugging or consolidating

Cementing apparatus and methods

Wells – Processes – Cementing – plugging or consolidating

Cementing casing strings in deep water offshore wells

Wells – Processes – Cementing – plugging or consolidating

Cementing casing strings in deep water offshore wells

Wells – Processes – Cementing – plugging or consolidating

Cementing casing strings in deep water offshore wells

Wells – Processes – Cementing – plugging or consolidating

Cementing compositions and application of such compositions...

Wells – Processes – Cementing – plugging or consolidating

Cementing compositions and application of such compositions...

Wells – Processes – Cementing – plugging or consolidating

Cementing compositions and applications of such compositions...

Wells – Processes – Cementing – plugging or consolidating

Cementing compositions and methods of cementing in a...

Wells – Processes – Cementing – plugging or consolidating

Cementing compositions and the use of such compositions for...

Wells – Processes – Cementing – plugging or consolidating

Cementing compositions comprising cement kiln dust,...

Wells – Processes – Cementing – plugging or consolidating

Cementing compositions including a dispersant agent for...

Wells – Processes – Cementing – plugging or consolidating

Cementing efficiency in horizontal wellbores via dual density fl