1
Belorgey Roger: Well tool anchoring system. Schlumberger Technology Corporation, May 9, 1972: US3661205 (65 worldwide citation)

An illustrative embodiment of the invention includes upper and lower anchoring members for temporarily securing a well tool in a well bore. The upper and lower anchoring members are pivotally supported from the central body member of the tool and respectively coupled to upper and lower movable slide ...


2
Nicolas Yves, Bonnet Jean Loup: Wireline well tool anchoring system. Schumberger Technology Corporation, May 23, 1972: US3664416 (44 worldwide citation)

An illustrative embodiment of the present invention includes apparatus for use in anchoring a probe in a well bore. The apparatus includes a body member which is attached to the upper part of the probe. A ballast weight is telescopically mounted on the body member and is attached to the wireline cab ...


3
Well tool anchoring system. Schlumberger Prospection, December 24, 1971: FR2085481-A1

An illustrative embodiment of the invention includes upper and lower anchoring members for temporarily securing a well tool in a well bore. The upper and lower anchoring members are pivotally supported from the central body member of the tool and respectively coupled to upper and lower movable slide ...