METHOD AND APPARATUS FOR ROTATING COIL PIPE IN WELL

Title:

METHOD AND APPARATUS FOR ROTATING COIL PIPE IN WELL

Document Type and Number:

Japanese Patent JPS60133190

Kind Code:

A

Abstract:

Improved coil tubing injection apparatus for servicing wells by running coil tubing thereinto for circulating fluids through the well and having the ability to rotate the coil tubing for performing drilling operations. The apparatus can readily provide concurrent longitudinal and rotational movement of the coil tubing. Methods of servicing wells involving such movement of coil tubing are disclosed.

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Inventors:

FUIRITSUPU ESU SAIZAA
DON SHII KOTSUKUSU
MARUKOMU ENU KAUNSHIRU

Application Number:

JP25148484A

Publication Date:

July 16, 1985

Filing Date:

November 28, 1984

Export Citation:

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Assignee:

OTIS ENG CORP

International Classes:

B65H51/14; E21B23/00; E21B19/22; E21B33/068; (IPC1-7): E21B43/00

Attorney, Agent or Firm:

Kiyoshi Inomata

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