Method of detonating a perforating apparatus on a tubing includi

Details Method of detonating a perforating apparatus on a tubing includi Method of detonating a perforating apparatus on a tubing includi

1990-07-26

1991-10-22

Dang, Hoang C.

Wells

Processes

Perforating, weakening, bending or separating pipe at an...

166369, 166381, 175 454, E21B 4300, E21B 431185

Patent

active

050586807

ABSTRACT:
A perforating gun having no firing head and no primary explosives is attached to a tubing string and the tubing string is run into a borehole. A new pump apparatus, having a firing head, is run into the tubing string until the pump firing head is adjacent the perforating gun. The firing head in the pump apparatus detonates, firing the perforating gun. If the firing head fails to detonate, one need only remove the pump apparatus from the tubing string in order to gain access to the firing head, for repair and replacement thereof. One need not remove the tubing string to gain access to the firing head.

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Soviet Inventions Illustrated, P.Q. Sections, week 8539, Nov. 6, 1985, Derwent Publications LTD. SU-1 143-831 (Ivan).
SPE 18839 "Tubing Conveyed Perforating Sucker Rod Pumping Wells," 1989, Society of Petroleum Engineers.
Vann Systems brochure, 1988; (1) "Standard Rod Pump Completion," (2) Electric Submersible Pump Completion, and (3) Bypass Assembly.

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