Process for restoring the permeability of a subterranean...

Process for rock consolidation and/or cavity filling e.g. in...

Process for safe underground storage of cryogenic produces...

Process for safe underground storage of cryogenic produces...

Process for scavenging hydrogen sulfide in aqueous drilling...

Process for secondary oil recovery utilizing propoxylated...

Process for selection and separation, respectively, of...

Process for selective placement of polymer gels for profile...

Process for selectively treating a subterranean formation...

Process for separation of materials and heating methods...

Process for sequentially applying sagd to adjacent sections...

Process for sinking of shafts

Process for slowly acidizing carbonate material in or around...

Process for slurry mining of a salt

Process for solution mining

Process for solution mining of silver, gold and copper

Process for solvent extraction of oil from oil-containing...

Process for spraying the bits and/or facing with pressurized...

Process for stablizing the gas flow in water-bearing natural...

Process for stimulating a well with a saline surfactant...