Title:
METHOD OF ABANDONING A WELL
Document Type and Number:
WIPO Patent Application WO/2016/156862
Kind Code:
A3
Abstract:
The invention provides a method of determining the condition of a cement bond of a casing (2) in a wellbore (1). The method comprises perforating a tubing (7) in the wellbore at a zone of interest and displacing a settable composition (21) through the perforations (20b) into the annulus between the casing and tubing to secure the tubing. The method also comprises cutting the tubing and assessing the status of the cement bond of the casing.
Inventors:
WARDLEY MICHAEL (GB)
TELFER GEORGE (GB)
FAIRWEATHER ALAN (GB)
TELFER GEORGE (GB)
FAIRWEATHER ALAN (GB)
Application Number:
PCT/GB2016/050920
Publication Date:
December 01, 2016
Filing Date:
March 31, 2016
Export Citation:
Assignee:
WARDLEY MICHAEL (GB)
International Classes:
E21B29/00; E21B33/13; E21B47/00
Domestic Patent References:
| WO1999057409A2 | 1999-11-11 | |||
| WO2013133719A1 | 2013-09-12 |
Foreign References:
| GB2275282A | 1994-08-24 |
Other References:
BARD MARTIN TINNEN: "Plugging and abandonment Tubing retrieval on wireline or coiled tubing", 1 January 2012 (2012-01-01), XP055292625, Retrieved from the Internet [retrieved on 20160801]
Attorney, Agent or Firm:
LINCOLN IP (Aberdeen Aberdeenshire AB10 1XB, GB)
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