Defoaming compositions and methods

Defoaming methods and compositions

Defoaming methods and compositions

Degradable fiber systems for stimulation

Degradable particulates as friction reducers for the flow of...

Degradable polymers for wellbore fluids and processes

Degradable surfactants and methods for use

Degradable surfactants and methods for use

Delayed borate crosslinked fracturing fluid

Delayed release borate crosslinking agent

Delayed release breakers in gelled hydrocarbons

Derivatization of polymers and well treatments using the same

Downhole chemical delivery system for oil and gas wells

Downhole drilling compositions and methods of preparation

Drilling fluid component

Drilling fluids and additives therefor

Dry blend fracturing fluid additives

Dual-function additives for enhancing fluid loss control and...