(ESP)Electrical Submersible Pump Supplier
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What are the disadvantages of ESP?
ESPs have some disadvantages that must be considered.
ESP Will tolerate only minimal percentages of solids (sand) production, although special pumps with hardened surfaces and bearings exist to minimize wear and increase run life.
Costly pulling operations and lost production occur when correcting downhole failures, especially in an offshore environment.
Below approximately 400 B/D, power efficiency drops sharply; ESPs are not particularly adaptable to rates below 150 B/D.
Need relatively large (greater than 4½-in. outside diameter) casing size for the moderate- to high-production-rate equipment.
Long life of ESP equipment is required to keep production economical.
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