US 6,981,550 B2 | ||
Sonde | ||
Svein Håheim, Oslo (Norway); Paul S. Jaques, St. Ives (United Kingdom); Robert Hughes Jones, Falmouth (United Kingdom); and Will Wason, Penzance (United Kingdom) | ||
Assigned to Schlumberger Technology Corporation, Sugar Land, Tex. (US) | ||
Appl. No. 10/416,565 PCT Filed Sep. 24, 2002, PCT No. PCT/GB02/04317 § 371(c)(1), (2), (4) Date May 12, 2003, PCT Pub. No. WO03/027717, PCT Pub. Date Apr. 03, 2003. |
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Claims priority of application No. 0122929 (GB), filed on Sep. 24, 2001. | ||
Prior Publication US 2004/0194956 A1, Oct. 07, 2004 | ||
Int. Cl. E21B 47/00 (2006.01) |
U.S. Cl. 166—250.11 | 16 Claims |
1. An apparatus for deploying a sensor against a well casing, said apparatus comprising:
a) a sonde comprising an expandable and/or resilient C-shaped member and at least one sensor, the member having an annular
configuration with a single gap that defines two ends facing each other, the member being compressible, or having been compressed,
to bring its ends closer together;
b) means for supporting and locating the sonde inside the well prior to deployment: and
c) means for releasably compressing the C-shaped member so as to allow positioning of the sonde inside the well and subsequent
deployment.
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