Coil tubing supported electrical submersible pump

Details Coil tubing supported electrical submersible pump Coil tubing supported electrical submersible pump

1992-11-25

1993-12-14

Bui, Thuy M.

Wells

Processes

Placing or shifting well part

166 651, 174 47, E21B 2300

Patent

active

052693775

ABSTRACT:
An electrical submersible well pump assembly supported on a continuous length of coil tubing. An electrical cable extends through the coil tubing from the pump assembly to the surface for supplying electrical power to the pump assembly. The cable is of lesser diameter than the inner diameter of the tubing, resulting in an annulus. Standoff members locate in the annulus to centralize the cable. Standoff members frictionally engage the inner diameter of the tubing and the outer diameter of the cable to transfer weight of the cable to the coil tubing. Flow passages extend through the annulus surrounding the cable to enable lubricant and coolant fluid to be pumped from the surface to the pump assembly.

REFERENCES:
patent: 3835929 (1974-09-01), Suman, Jr.
patent: 4336415 (1982-06-01), Walling
patent: 4346256 (1982-08-01), Hubbard et al.
patent: 4681169 (1987-07-01), Brookbank, III
patent: 5145007 (1992-09-01), Dinkins
patent: 5146982 (1992-07-01), Dinkins
XL Technology; Project: Coiled Tubing Deployed Submersible Pump, Jan. 3, 1992.

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