E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 41/00 (2006.01) E21B 21/01 (2006.01)
Patent
CA 2360234
A method of enclosing an oil drilling rig. A first step involves providing a base and a flexible sheet-form covering having a first edge and second edge. A second step involves securing the base to the oil drilling rig and securing the first edge of the covering around a perimeter of the base. A third step involves securing the second edge of the covering to the drilling rig in spaced relation to the base, thereby maintaining the covering in a substantially taut condition forming a tubular enclosure.
Haugen J. Jay
Holtby Quinn
LandOfFree
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