Wells – Lateral probe or port sealed against well wall
Patent
1986-07-14
1987-12-29
Novosad, Stephen J.
Wells
Lateral probe or port sealed against well wall
166250, 175267, E21B 4700
Patent
active
047154403
ABSTRACT:
A tool for use downhole has an elongate body, arms movably mounted on the body and means for controlling movement of the arms between an operational position and a retracted position. Movement of the arms is controlled by a motor and a transmission, according to one aspect of the invention the arms being suspended independently of one another and in a second aspect of the invention, movement of the arms being controllable remotely from the tool.
REFERENCES:
patent: 1667155 (1928-04-01), Higdon
patent: 4002063 (1977-01-01), Angehrn
Bardsley Frank B.
Boxell Timothy G.
Stoddart David E.
Gearhart Tesel Limited
Neuder William P.
Novosad Stephen J.
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