Slickline setting tool and bailer bottom for plugback operations

Details Slickline setting tool and bailer bottom for plugback operations Slickline setting tool and bailer bottom for plugback operations

1993-10-08

1995-02-28

Dang, Hoang C.

Wells

Processes

Cementing, plugging or consolidating

166 664, 166169, E21B 33132

Patent

active

053928563

ABSTRACT:
A setting tool and a bailer bottom tool are provided for forming a wellbore plugback operation of the type used in hydrocarbon recovery operations. Each of the setting tool and the bailer bottom tool include a battery pack for powering an actuating device to actuate the respective tool downhole, thereby avoiding the risks and costs associated with mechanical jarring devices, explosive charges, and devices activated by transmitting signals to the downhole tool through an electrically conductive cable. Each tool may be biased by a spring to a release position, and the actuating device may release compressed fluid from the tool to the wellbore, thereby allowing movement of a piston member and corresponding movement of a mechanical release device for moving the tool to a release position. A trigger mechanism electronically in series between the battery power source and the actuating device may be a programmable timer or a motion sensitive timer.

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Schlumberger Well Services, Houston, Tex.
Advertisement, HPI, "Non-Explosive Plugback Operation".

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