E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/17
E21B 33/136 (2006.01)
Patent
CA 1040093
ABSTRACT A basket for use in oil well or gas well cementing operations. The basket is composed of several flat, flexible petal members that are made of elastomers, such as styrene-butadiene rubber, and a ring assembly comprising an inner ring and a larger outer ring that fits over the inner ring. Each petal is in the form of a long, narrow strip and the petals are arranged in a generally circular configuration so that the edge of one petal slightly overlaps the edge of the next. An elongated wire loop is secured to each petal so that when the basket is in the operating position in the borehole each loop is on the outer side of the basket.
245280
Hughes Earnest D.
Seitz Peter W.
LandOfFree
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