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Design of oil, gas and mud pumps during well drilling and reservoir production

Michalogiannaki Maria

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Summary

Pumps are of high importance in all sectors of oil and gas industry. Starting from the first stages in the development of a field, the lack of pumps would make the drilling process impossible as they are used to circulate drilling mud so as to keep the formation fluids under control, bring the cutting to the surface and cool the drilling bit. During production pumps are useful when artificial lift is needed. There is a variety of pumps to choose from depending on the specific characteristics of each reservoir fluid and oil filed. There are pumps that fit better for onshore or for offshore use varying from big heavy installations to light delicate super-tech devices. Pumps may be used to produce at the surface various fluid rates. The variety of the produced reservoir fluid properties and conditions lead to a variety of pumps capable of lifting viscous fluid, rich in solid or gas content, higher temperature fluids etc. Combinations of pumps developed and new hybrid pumps, designed to meet the upcoming needs of oil and gas industry, are also available in the market. Pumps are also present in fracturing operations where they provide the huge hydraulic power necessary at surface to fracture the rock segment. Last but not least important use is the products transfer of the separated and treated fluids from the surface to the final sales point.

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