E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/43, 166/52
E21B 33/127 (2006.01) E21B 29/10 (2006.01) E21B 33/124 (2006.01)
Patent
CA 1310261
ABSTRACT OF THE INVENTION The invention relates to a method and apparatus for relining bores such as oil wells, using multiple layers of spiral wrapped, resilient lining material which expands to form a continuous liner for the bore.
588166
Koster Charles H.
Nu-Bore Systems
Smart & Biggar
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