Cleaning and doping of tubulars

Details Cleaning and doping of tubulars Cleaning and doping of tubulars

2008-05-13

2008-05-13

El-Arini, Zeinab (Department: 1792)

Cleaning and liquid contact with solids

Processes

Using sequentially applied treating agents

C134S036000, C134S037000, C134S095300, C166S077510, C166S311000, C166S377000

Reexamination Certificate

active

07371289

ABSTRACT:
Apparatus for cleaning and doping a pin2of a tubular3during the making or breaking of a string on a well platform. The apparatus comprises a housing4having first and second conosed ends6,7and arranged in used to be secured at its first end7to the well platform or to a movable arm. The second end6has an opening therein for receiving the pin2to be cleaned and doped. A nozzle array16is mounted within the housing4for rotation about a longitudinal axis of the housing4and is coupled to a source of lubricant. A washing and drying unit10is also mounted within the housing4, axially displaced from said nozzle array16and coupled to a source of cleaning liquid and a source of drying gas.

REFERENCES:
patent: 5157802 (1992-10-01), Guidry et al.
patent: 5857476 (1999-01-01), Bee et al.
patent: 0 338 222 (1989-10-01), None
patent: 8800247 (1989-09-01), None
patent: 95/25216 (1995-09-01), None
patent: 99/60245 (1999-11-01), None
Abstract NL8800247.
International Search Report, dated Oct. 29, 2001 for PCT/GB01/03132.

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