Unplugging brine-submerged perforations
Use of breaker chemicals in gelled hydrocarbons
Use of hydrogen-free carbon monoxide with steam in recovery of h
Use of mineral oils, hydrogenated polyalphaolefin oils and...
Use of mineral oils, hydrogenated polyalphaolefin oils and...
Use of organic acid chrome complexes to treat clay containing fo
Use of polyimides in treating subterranean formations