LandOfFree - US Patents - Listing for Earth boring, well treating, and oil field chemistry,Earth boring

Earth boring – well treating – and oil field chemistry – Earth boring – Contains organic component

Anti-settling lubricity agent for water/oil dispersion compositi

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

Aphron-containing aqueous well drilling and servicing fluids

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 organic component

Application of muds containing scleroglucan to drilling large di

Earth boring – well treating – and oil field chemistry – Earth boring – Contains organic component

Application of N,N-dialkylamides to control the formation of emu

Earth boring – well treating – and oil field chemistry – Earth boring – Contains organic component

Aqueous based drilling fluid

Earth boring – well treating – and oil field chemistry – Earth boring – Contains organic component

Aqueous based drilling fluid additive and composition

Earth boring – well treating – and oil field chemistry – Earth boring – Contains organic component

Aqueous drilling muds fluidified by means of zirconium and alumi

Earth boring – well treating – and oil field chemistry – Earth boring – Contains organic component

Base oil for well fluids having low pour point temperature

Earth boring – well treating – and oil field chemistry – Earth boring

Bentonite nodules

Earth boring – well treating – and oil field chemistry – Earth boring – Contains organic component

Biodegradable drilling mud and process for its preparation

Earth boring – well treating – and oil field chemistry – Earth boring – Contains organic component

Biodegradable surfactant for invert emulsion drilling fluid

Earth boring – well treating – and oil field chemistry – Earth boring – Contains organic component

Biopolymer/oil suspension compositions utilized in aqueous-based

Earth boring – well treating – and oil field chemistry – Earth boring – Contains organic component

Blended drilling fluid thinner

Earth boring – well treating – and oil field chemistry – Earth boring – Contains organic component

Blends of glycol derivatives as gas hydrate inhibitors in water

Earth boring – well treating – and oil field chemistry – Earth boring – Contains organic component

Borehole fluid containing a lubricating...

Earth boring – well treating – and oil field chemistry – Earth boring – Contains organic component

Borehole treating substance containing ether carboxylic acids

Earth boring – well treating – and oil field chemistry – Earth boring – Contains organic component

Borehole treatment agent containing low-toxic oil phase