... holder methanol water system hydraulic fracturing permeability damage acid system hcl core analysis treatment fluid low ph methanol evaluation sandstone upstream oil & gas kcl water authigenic clay codell reservoir characterization permeability SPE/DOE 13888 SPE/DOE Society...

... for publication in one of the two SPE magazines. Abstract A detailed appraisal is made of the chemical and physical principles involved in continuous chemical treatment of a water system, vs intermittent treatment of a water system. The paper covers in detail the properties of the several chemical treatments...

... such as quater- naries, amines, diamines, and imidazolines are effective in fresh water systems. The materials have the added qualities of being corrosion inhibitors and surface active agents. In general, the nit rogen containing chemicals are not effective in hard water systems. Chlorinated phenol type...