E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/68
E21B 23/00 (2006.01) E21B 23/01 (2006.01)
Patent
CA 1242972
ABSTRACT OF THE DISCLOSURE An improved slip and slip assembly for use with well tools such as anchors. The slip assemblies include a plurality of slips having ends formed by segments of circles, having a concave outer surface including teeth arranged to hold in both the upwardly and outwardly directions, and concave expander surfaces arranged to mate with the tapered surfaces of expanders on a well tool to move the slips into engagement with the well bore wall. The slips are held in the assembled relationship by a plurality of garter springs that extend through arcuate holes that extend through the sidewalls of the slips.
510081
Greenlee Donald R.
Lustig Lee M.
Halliburton Energy Services Inc.
Macrae & Co.
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