Use Of Pumps

Pumps of all types are used in every phase of petroleum production, transportation, and refining.

Production pumps include reciprocating units for mud circulation during drilling and sucker-rod, hydraulic rodless, and motor driven submersible centrifugal units for lifting crude to the surface. The most common use of centrifugal pumps in production is for water flooding (secondary recovery, subsidence prevention, or pressure maintenance).

Transportation pumps include units for gathering, for on and offshore production, for pipelining crude and refined products, for loading and unloading tankers, tank cars, barges, or tank trucks, and for servicing airport fueling terminals. The majority of the units are centrifugal.

Refining units vary from single stage centrifugal units to horizontal and vertical multistage barrel type pumps handling a variety of products over a full range of temperatures and pressures. Centrifugal pumps are also used for auxiliary services, such as cooling towers and cooling water.

Except for some comments about the use of displacement pumps for handling viscous liquids, this section is restricted to centrifugal pumps, the type most frequently used in the petroleum industry. It also includes an overview of the requirements for some of the principal types of centrifugal pumps.

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Survival Treasure

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