Single trip completion of spaced formations
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United States of America Patent
Stats
-
Sep 23, 1986
Issued Date -
N/A
app pub date -
Apr 10, 1985
filing date -
Nov 4, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Two or more spaced formations located downhole in a borehole are completed by employment of a string of perforating guns and by making a single trip to the wellbore. An upper and a lower gun device are tied together by a connecting tubing. The length of the tubing spaces the guns apart a selected amount. The gun string is run downhole and actuated, whereby the casing is perforated adjacent to the two spaced formations. Detonation of the upper gun forces an upper movable member associated with the connecting tubing to generate a pressure wave which is received by a lower movable member located at the upper end of the lower gun. The lower member is connected to cause detonation of the lower gun.
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