SYSTEM AND METHOD, WHICH ARE USED FOR MONITORING PHYSICAL STATE OF OPERATIONAL EQUIPMENT OF WELL AND CONTROLLING WELL FLOW RATE Russian patent published in 2012 - IPC E21B43/12 F04D13/10 E21B47/00 

Abstract RU 2468191 C2

FIELD: oil and gas industry.

SUBSTANCE: method of fluid extraction from the well is performed in the following way: the first adjustment at least of the first well equipment for fluid production is performed; the first set of input parameters is chosen, which includes at least one parameter referring to serviceability degree at least of one second well equipment and sets of parameters chosen from the group including the data referring to efficiency, pressure, temperature, presence of the chosen reagent, content of water, content of sand and flow rate of injected chemical reagents. The first set of parameters is used to be entered to the computer model, and the second adjustment at least of one first well equipment is performed, which will provide at least extension at least of one second well equipment or increase in completed well flow rate. Also, control system of operation of electric submersible pump is proposed, which contains information storage data base relating to operating range of submersible pump, and processor for adjustment at least of one first well equipment, which has the possibility of using at least one measured operating parameter of submersible pump and information stored in the data base.

EFFECT: invention allows performing the monitoring of well shaft state and serviceability degree of various equipment and taking actions, which will provide increased or optimum production of hydrocarbons from the well.

25 cl, 4 dwg

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RU 2 468 191 C2

Authors

Tigpen Brajan L.

Vachon Gaj P.

Jeriazarian Garabed

Li Chzhaehdon

Chok Chi M.

Sann Klark

Lju Sin'

Dates

2012-11-27Published

2008-04-18Filed