Inventor

WALKER THAD O

US33 patents

⚠️ This page may combine multiple inventors who share the name “WALKER THAD O”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WALKER THAD O

EXXON RESEARCH ENGINEERING CO

Drilling mud viscosification agents based on sulfonated ionomers

Drilling fluids based on sulfonated elastomeric polymers

Drilling mud viscosification agents based on sulfonated ionomers

Additive composition for release of stuck drill pipe

Intramolecular polymer complexes - viscosifiers for high ionic strength drilling fluids

Drilling fluids based on a mixture of a sulfonated thermoplastic polymer and a sulfonated elastomeric polymer

Additive composition for release of stuck drill pipe

Additive composition for release of stuck drill pipe

High temperature drilling fluids based on sulfonated thermoplastic polymers

Drilling fluids based on sulfonated thermoplastic polymers having improved low temperature rheological properties

Fluid loss additive for well drilling

Lubricating additive for drilling muds

Sodium styrene sulfonate-co-sodium-n-(4-sulfophenyl)-maleimide- an improved viscosity control additive

Interfacial viscosification of aqueous system utilizing sulfonated ionomers

Drilling fluids based on powdered sulfonated thermoplastic polymers

Drilling fluids containing an additive composition

Drilling fluids based on a mixture of sulfonated thermoplastic polymer and an amine-treated clay

Interfacial viscosification of salt water systems utilizing sulfonated ionomers

Alkylthiomethyl substituted mono-oxazolines

Interfacial viscosification of aqueous acid systems utilizing sulfonated ionomers

TEXACO INC

Drilling fluids containing an admixture of polyethoxylated, sulfurized fatty acids and polyalkylene glycols

Method of drilling wells employing water base drilling fluids

Method of and composition for cementing oil wells

Additive for reducing fluid loss or filtration rate for aqueous drilling fluid containing both high salinity and high soluble calcium

Drilling fluids containing polyethoxylated tetraalkyl acetylenic diols

Additive for reducing gel strength in aqueous drilling fluids

Drilling fluids containing an additive composition

Alkoxylated asphalts as co-surfactants in surfactant oil recovery processes usable in formations containing water having high concentrations of polyvalent ions such as calcium and magnesium

Drilling fluids containing polyethoxylated, sulfurized fatty alcohols

Alkoxylated asphalts as sacrificial agents in oil recovery processes

OBRIEN GOINS SIMPSON & ASS

Environmentally safe drilling fluid

Environmentally safe water base drilling fluid

Fast drilling invert emulsion drilling fluids