76071870
Jun 16, 2000
Chemical preparations, products, substances and compositions, namely, ethylene derived ester based fluid in the nature of continuous phase and calcium chloride, sodium chloride brine, and inorganic salt solutions as the internal phase of an invert emulsion, organo philic clay viscosifier, surface active organics, and weight material, all for use in drilling, completion and work over of oil and gas wells; chemical additives for use in drilling, completion, and work over of oil an wells; chemical completion fluids, drilling muds, drilling fluids and viscosifiers, all for use in drilling, completion and work over of oil and gas wells
Chemicals