85666271
Jul 1, 2012
Aug 6, 2013
Chemicals for use in the field of oil exploration and production; Chemicals for use in the field of natural gas exploration and production; Chemical products for the production of oil and natural gas; Surfactants and polymer based compositions for well stimulation, reservoir recovery and flow assurance for the production of oil and natural gas; Surfactants used in the production of oil and natural gas; Polymer based compositions used in the production of oil and natural gas; Polymer compositions used in the manufacture of commercial and industrial goods
Chemicals