Hydraulic jet pumps used in the field of oil and gas exploration and production, namely, a downhole jet pump for creating artificial downhole life pressure

Apparatus, namely, a hydraulic pumping system comprised of a hydraulic pump, a reciprocating piston and a venturi jet for use in the construction, maintenance and repair of oil and gas wells, and for use in transferring fluid from downhole to the surface

Nonmetallic suction and delivery hoses made of oil resistant materials used in the transfer of hazardous fluids for industrial purposes

APPARATUS, NAMELY A HYDRAULIC PUMPING SYSTEM, FOR USE IN THE CONSTRUCTION, MAINTENANCE AND REPAIR OF OIL AND GAS WELLS, AND FOR USE IN TRANSFERRING FLUID FROM DOWNHOLE TO THE SURFACE BY A HYDRAULICALLY POWERED JET PUMP

air-operated oil pumps, for dispensing oils, for sale to the automotive workshop market

oil burners for use in central heating systems

Prerecorded Computer Programs in the Field of Accounting for Use by Oil Investors

Suction and Delivery Hoses (Non Metallic) Made of Oil Resistant Materials

OIL WELL PUMPING EQUIPMENT

Apparatus for Separating Free Oils, Such as Hydrocarbon, Animal, Vegetable, and Fish Oils, from Waters, Such as Bilgewater, Coolant Water or the Like