Wells – Processes – Placing or shifting well part
Patent
1995-08-03
1997-06-24
Dang, Hoang C.
Wells
Processes
Placing or shifting well part
1663324, E21B 3414
Patent
active
056410239
ABSTRACT:
In a well having a substantially annular completion structure therein, the completion structure having portions of lesser and greater inner diameter and an axially-shiftable element associated with the portion of greater inner diameter, the axially-shiftable element having an inner diameter greater than a diameter of the portion of lesser inner diameter, a shifting tool for, and method of, axially shifting the axially-shiftable element. The shifting tool comprises: (1) a first shifting tool portion having a first shifting profile associated therewith, the first shifting tool portion adapted to pass through the portion of lesser inner diameter and (2) a second shifting tool portion having a second shifting profile associated therewith, the first shifting profile engageable with the second shifting tool portion to cause the second shifting tool portion to move in concert with the first shifting tool portion, the second shifting profile engageable with the axially-shiftable element to cause the axially-shiftable element to move in concert with the second shifting tool portion, the first and second shifting tool portions thereby cooperable to provide substantial axial forces to shift the axially-shiftable element.
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Finley Ronnie D.
Patel Dhirajlal C.
Ross Colby M.
Dang Hoang C.
Halliburton Energy Service,s Inc.
Hitt David H.
Imwalle William M.
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