Ball type shut in tool

Details Ball type shut in tool Ball type shut in tool

E - Fixed Constructions

21

B

166/9

E21B 34/12 (2006.01) E21B 43/04 (2006.01) E21B 34/00 (2006.01)

Patent

CA 1192836

ABSTRACT A ball valve type shut in tool having utility in gravel packing operations. The tool comprises a tubular housing having a mechanically actuated valve ball disposed therein. The ball is locked in an open or closed mode by the force of a ring spring expanding into two longitudinally spaced annular recesses in the housing. The ball is moved between an open and a closed mode by an operating sleeve comprising spring fingers which is disposed at the end of a wash pipe or production string. Insertion of the operating sleeve into the tool opens the ball; withdrawal of the operating sleeve from the tool closes the ball.

449632

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