Method and apparatus for manipulating tubing in a well

Details Method and apparatus for manipulating tubing in a well Method and apparatus for manipulating tubing in a well

1987-09-11

1990-04-24

Dang, Hoang C.

Wells

Processes

Cementing, plugging or consolidating

166177, 166241, 166242, 166384, E21B 3314

Patent

active

049192086

ABSTRACT:
A method and apparatus are disclosed which enable one to manipulate a tubular string within a wellbore or the like to cause the area of largest standoff between the tubing and the wellbore to be moved radially at least part way around the circumference of the wellbore without the need for any axial movement of the tubular string or any device attached thereto. The method and apparatus are particularly useful for obtaining circumferentially complete distribution of cement around a tubular string in a wellbore.

REFERENCES:
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patent: 2829190 (1958-04-01), Comlossy, Jr.
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patent: 4312405 (1982-01-01), Wilder
patent: 4319649 (1982-03-01), Jeter
patent: 4416339 (1983-11-01), Baker et al.
patent: 4603737 (1986-08-01), Spikes
"World Oil's Cementing Oil and Gas Wells", Suman et al, Word Oil, 1977, pp. 32-37.

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