Offshore Oil Well Pumps

Most offshore oil well platforms are located in high-pressure fields where the wells will flow from natural pressure for several years. When the pressure declines, the wells are frequently produced with gas lift, where high-pressure gas is directed down the casing. This gas mixes with the well fluid at the bottom of the tubing, and the fluid-gas mixture lightens the fluid gradient in the tubing string to a point where the bottom hole pressure is sufficient to cause the well to flow. Where gas lift is not applicable, wells are pumped with subsurface submersible electric pumps, subsurface hydraulic reciprocating or jet pumps, or sucker rod pumping systems. A few wells are completed with the well head on the ocean floor. These must either flow or be gas-lifted, and the other systems are not applicable.

Survival Treasure

Survival Treasure

This is a collection of 3 guides all about survival. Within this collection you find the following titles: Outdoor Survival Skills, Survival Basics and The Wilderness Survival Guide.

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