Wells – Processes – Assembling well part
Patent
1995-05-24
1996-08-13
Tsay, Frank
Wells
Processes
Assembling well part
166382, 166386, 166 882, 166105, E21B 3304, E21B 1900
Patent
active
055447066
ABSTRACT:
A retrievable sealing plug coil tubing suspension device for supporting coil tubing which supports a motor-pump assembly deployed at operating well depth in a well. The coil tubing houses the power cable connected to the motor of the motor-pump assembly. A diversionary member connected to a wellhead assembly supports the device. The device locks on the coil tubing and is installable and retrievable through a blowout preventor ("BOP") by reeling enough of the coil tubing out of the wellhead assembly so that the device can be unlocked from the coil tubing. After removing the device from the coil tubing, the coil tubing can be completely rewound on a reel and the motor-pump assembly serviced if desired. The well can be reworked through the BOP and the diversionary member if desired. Methods of installing the power cable in a single piece of coil tubing of great length, e.g. thousands of feet, connecting the power cable and coil tubing to the motor-pump assembly, and deployment of the motor-pump assembly in the well are disclosed.
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Field Installation of Coiled Tubing ESP Completions, Tovar D. and Head, Soc. Petroleum Eng. ESP Workshop, Apr. 26-28, 1995.
Logan F. Eugene
Tsay Frank
LandOfFree
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