| 摘要 |
PCT No. PCT/FR87/00515 Sec. 371 Date Aug. 24, 1988 Sec. 102(e) Date Aug. 24, 1988 PCT Filed Dec. 23, 1987 PCT Pub. No. WO88/05108 PCT Pub. Date Jul. 14, 1988.A probe and anchoring device for anchoring the probe and the well, with the probe having an axis parallel to a well axis and including a probe body supporting the anchoring device. The anchoring device is provided with two arms which are offset angularly with respect to each other in relation to the axis of the probe, with the arms being so arranged that when they are deployed, the probe comes directly into contact with the walls of the well.
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