Wells – Above ground apparatus – Moving tubing or cable into an existing well
Reexamination Certificate
2005-04-19
2005-04-19
Neuder, William P (Department: 3672)
Wells
Above ground apparatus
Moving tubing or cable into an existing well
C226S172000, C226S173000, C166S380000
Reexamination Certificate
active
06880629
ABSTRACT:
A continuous well string injection unit, comprising a pair of motor driven continuous chains mounted opposed to each for gripping coiled rod between them. Plural links are connected end to end in each one of the pair of motor driven continuous chains, in which each link comprises a connected yoke and a neck, the neck of each link being sized to fit within the yoke of a succeeding link in the motor driven continuous chain with consecutive links connected by a pin extending through the neck of one link and the yoke of the next succeeding link. A method of injecting coiled rod into a well is also provided.
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