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Sucker Rod Pump 'aka' Beam Pumping Unit
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In the Upstream Oil Industry, artificial lift means are resorted to extract Oil from wells where formation pressure is not enough for natural lift.
Sucker Rod Pump (SRP) is a common means of artificial lift on onshore wells. Sucker Rod Pump surface unit majorly constitutes of a Beam pumping unit structure and Gear reducer. SRP works on the principle of beam pumping mechanism. Beam pumping unit (BPU) is a machine for translating rotary motion form crank shaft to a linear reciprocating motion for the purpose of transferring mechanical power to a down hole pump. Gear Reducer provides necessary speed reduction from the prime mover (Electric motor) while magnifying the torque to Beam Pumping Unit.
BHEL developed SRP surface units with in-house research and development, delivered sheer performance under extreme site conditions of western fields of ONGCL, Indian Oil & Gas Major.
BHEL-Hyderabad is proud to acclaim that it is the only facility from Indian sub-continent, conferred with API-11E certification for both Beam pumping unit Structure & Gear reducer.
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Salient features of BHEL make SRP units
- Designed to meet stringent requirements of API standards.
- Structure and Gear box are designed for durability with objective of longer life of operation for the Pump unit.
- Smooth adjustment of counterweights facilitates fine tuning resulting in energy savings.
- The complete Pump package including Electrical motor and drive panels can be offered as per customer requirements
- All the SRP units are factory tested for full load performance
- High reliability & Top class performance.
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BHEL Manufactured "320-256-120" SRP unit in operation at Site |
Pumping units offered:
The following are the few of our regular offerings. Pumping unit of any other designation as per API-11E can be manufactured and supplied.
Pump unit designation |
Gear reduce rating, in-lb (N-m) |
Structure capacity lb (N) |
Max. Stroke Length
in. (mm) |
160-173-86 |
160,000 (18,078) |
17,300 (76,954) |
86 (2184) |
228-213-120 |
228,000 (25,761) |
21,300 (94,747) |
120 (3048) |
320-256-120 |
320,000 (36,155) |
25,600 (113,874) |
120 (3048) |
456-256-144 |
456,000 (51,521) |
25,600 (113,874) |
144 (3658) |
456-305-144 |
456,000 (51,521) |
30,500 (135,671) |
144 (3658) |
640-305-168 |
640,000 (72,310) |
30,500 (135,671) |
168 (4267) |
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