LandOfFree - US Patents - Listing for Earth boring, well treating, and oil field chemistry,Earth boring,Contains intended gaseous phase at entry into wellbore

Earth boring – well treating – and oil field chemistry – Earth boring – Contains intended gaseous phase at entry into wellbore

Aphron-containing oil base fluids and method of drilling a well

Earth boring – well treating – and oil field chemistry – Earth boring – Contains intended gaseous phase at entry into wellbore

Aphron-containing well drilling and servicing fluids

Earth boring – well treating – and oil field chemistry – Earth boring – Contains intended gaseous phase at entry into wellbore

Foamable drilling fluid and methods of use in well drilling oper

Earth boring – well treating – and oil field chemistry – Earth boring – Contains intended gaseous phase at entry into wellbore

Foamed drilling fluids, their process for preparation and the co

Earth boring – well treating – and oil field chemistry – Earth boring – Contains intended gaseous phase at entry into wellbore

Method and apparatus for providing a stream of inert gases in un

Earth boring – well treating – and oil field chemistry – Earth boring – Contains intended gaseous phase at entry into wellbore

Method of generating gas bubbles in oleaginous liquids

Earth boring – well treating – and oil field chemistry – Earth boring – Contains intended gaseous phase at entry into wellbore

Mixture for improved foaming in the extraction of petroleum...

Earth boring – well treating – and oil field chemistry – Earth boring – Contains intended gaseous phase at entry into wellbore

Nitrogen/carbon dioxide combination fracture treatment

Earth boring – well treating – and oil field chemistry – Earth boring – Contains intended gaseous phase at entry into wellbore

Polymer-enhanced foamable drilling fluid

Earth boring – well treating – and oil field chemistry – Earth boring – Contains intended gaseous phase at entry into wellbore

Self-generating foamed drilling fluids

Earth boring – well treating – and oil field chemistry – Earth boring – Contains intended gaseous phase at entry into wellbore

Stabilized colloidal and colloidal-like systems

Earth boring – well treating – and oil field chemistry – Earth boring – Contains intended gaseous phase at entry into wellbore

Use of surface-modified nanoparticles for oil recovery

Earth boring – well treating – and oil field chemistry – Earth boring – Contains intended gaseous phase at entry into wellbore

Water-based foaming composition-method for making same