Method and apparatus for sealing a hole made with a cased...

Details Method and apparatus for sealing a hole made with a cased... Method and apparatus for sealing a hole made with a cased...

2011-03-15

2011-03-15

Thompson, Kenneth (Department: 3672)

Wells

Processes

Perforating, weakening, bending or separating pipe at an...

C166S055100, C166S055200

Reexamination Certificate

active

07905286

ABSTRACT:
Apparatus and methods for forming and sealing a hole in the sidewall of a borehole are provided. The method may include conveying a carrier into the borehole, forming the hole in the sidewall using a bit, and sealing at least a portion of the hole by leaving at least a portion of the bit in the hole. An apparatus includes a carrier conveyable into the borehole, and a bit disposed on the carrier that forms the hole in a sidewall, the bit including a sealing portion that seals at least a portion of the hole.

REFERENCES:
patent: 2526695 (1950-10-01), Schlumberger
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patent: 3419089 (1968-12-01), Venghiattis
patent: 5065619 (1991-11-01), Myska
patent: 5195588 (1993-03-01), Dave
patent: 5701958 (1997-12-01), Braziel
patent: 6164126 (2000-12-01), Ciglenec et al.
patent: 6571867 (2003-06-01), Bond
patent: 6772839 (2004-08-01), Bond
Schlumberger, “CHDT Cased Hole Dynamics Tester”, Pressure testing and sampling in cased wells, www.slb.com/oilfield, Jun. 2003, pp. 1-6.
International Search Report and Written Opinion, Mailed May 3, 2010, International Appln. No. PCT/US2009/058757, Written Opinion 7 Pages, International Search Report 4 Pages.

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