A plug for use in wellbore operations, an apparatus for...
A power tong
A power transmission mechanism, a fluid-driven impactor and...
A pressure control system for a wet connect/disconnect...
A pressure pulse generator
A probe for measuring the electromagnetic properties of a...
A process and a formulation to inhibit scale in oil field...
A process and system for creating enhanced cavitation
A process for foaming a wet hydrocarbon composition
A process for non-thermal vapor extraction of viscous oil...
A process for producing hydrocarbon fluids combining in situ...
A process for the controlled fixing of scale inhibitor in a...
A process for the thermo-hydraulic control of gas hydrates
A pumping device for pumping fluid
A quick lock wireline valve/blow-out preventor and methods...
A quick removal cylinder set for a twin cylinder isolation...
A radial spring latch apparatus and methods for making and...
A ram actuator for a blowout preventer
A reamer assembly
A reciprocable impact hammer