Packer with integral cleaning device

A packer 100 comprises a body, a sealing element and a cleaning device 200 operatively connected to the body. This cleaning device may take the form of a wiper, a brush, a scraper, or, in a preferred embodiment, a wiper 220 comprising a wiper cable (251, figure 3). The cleaning device may be rotated...

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Bibliographic Details
Main Author DAVID E HIRTH
Format Patent
LanguageEnglish
Published 15.09.2004
Edition7
Subjects
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Summary:A packer 100 comprises a body, a sealing element and a cleaning device 200 operatively connected to the body. This cleaning device may take the form of a wiper, a brush, a scraper, or, in a preferred embodiment, a wiper 220 comprising a wiper cable (251, figure 3). The cleaning device may be rotated or reciprocated in order to clean a casing surface. Other details of the packer are also disclosed, including the arrangement between the slips 90, cones 80, backup 70 and ratchet 82, 83 rings. Also disclosed is a method of wellbore completion comprising the steps of cementing a tubular, cleaning said tubular, and actuating a packer into contact with the cleaned surface.
Bibliography:Application Number: GB20040005168