E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 19/08 (2006.01) E21B 19/22 (2006.01)
Patent
CA 2299765
A rod pulling apparatus uses a clamp secured to a wellhead and a clamp secured to a travelling block of a conventional service rod to walk coiled rod into and out of a well. The clamps may move into gripping position by rotation of gripping blocks. Coiled rod is guided by a rod guide through a split in the travelling block.
Dedels Richard L.
Widney Scott W.
C-Tech Energy Services Inc.
Lambert Anthony R.
LandOfFree
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