Multiphase pumping system with feedback loop

Details Multiphase pumping system with feedback loop Multiphase pumping system with feedback loop

1997-07-14

1999-12-28

Thorpe, Timothy

Pumps

With condition responsive pumped fluid control

Pressure responsive relief or bypass valve

417 87, F04B 4900, F04B 2308

Patent

active

060073063

ABSTRACT:
The invention relates to a pumping system for applying a sufficient pressure increase to multiphase effluents for them to be conveyed from a source such as an petroleum producing well to a remote destination point. To improve pump function and render management of effluent transfers more flexible, the system has a loop (7) for recycling a fraction of the multiphase effluents leaving pump (1) to the inlet thereof, comprising preferably a tap (5) such as a T formed to decrease the volumetric ratio GLR of the recycled effluents. A regulator such as a control valve (8) and a buffer tank and an element (9) such as an ejector-mixer are interposed in the loop to use part of the energy of the effluents tapped off. The invention has application for offshore pumping facilities.

REFERENCES:
patent: 2080624 (1937-05-01), McMahon
patent: 2651259 (1953-09-01), Brush
patent: 3490376 (1970-01-01), Valdespino
patent: 3736072 (1973-05-01), Turner et al.
patent: 4373864 (1983-02-01), Massey et al.
patent: 4894069 (1990-01-01), Arnaudeau
patent: 5375976 (1994-12-01), Arnaudeau
patent: 5393202 (1995-02-01), Levallois

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