Wells – Means for perforating – weakening – bending or separating pipe... – With disparate below ground feature
Patent
1995-06-02
1997-06-17
Schoeppel, Roger J.
Wells
Means for perforating, weakening, bending or separating pipe...
With disparate below ground feature
166297, 175 46, 138134, E21B 700
Patent
active
056389019
ABSTRACT:
A perforating gun having an elongated, spiral strip with an outer surface, cylindrical about a longitudinal axis, and a diameter sized for convenient entry and removal from a well. The strip has a series of threaded openings spaced in intervals for mounting capsule explosive charges in a phased relationship between 0 and 360 degrees. The cross-sectional area of the strip around each opening is selected to prevent fragmentation of the carrier upon detonation of the charges. The spiral strip is preferably metallic and forms a helical band with a pitch in a range of 12 to 24 inches. In each threaded opening is an explosive capsule with a hollow cap having at one end a threaded nose for attachment to one of the threaded openings. The cap has an annular, interior thread with a thread run-out of selected width at the other end. The capsule has a hollow body having an open end with exterior threads with a width less than the width of the thread run-out in the cap to permit free spinning of the body in the cap after thread make-up. The closed end of the body has a slot and retainer to receive a detonating cord. The hollow body of the explosive capsule may be freely spun to align the slot and retainer for convenient threading and connection with the detonating cord.
REFERENCES:
patent: 1793280 (1931-02-01), Williams
patent: 2927534 (1960-03-01), Le Bus
patent: 2960930 (1960-11-01), Bell
patent: 2965031 (1960-12-01), Johns
patent: 4074756 (1978-02-01), Cooke
patent: 4583602 (1986-04-01), Ayers
patent: 4951744 (1990-08-01), Rytlewski
patent: 5095999 (1992-03-01), Markel
patent: 5241891 (1993-09-01), Hayes et al.
Owen Harrold D.
Shirley Jay R.
Bergen Grady K.
Gunter Jr. Charles D.
Owen Oil Tools, Inc.
Perdue Mark D.
Schoeppel Roger J.
LandOfFree
Spiral strip perforating system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Spiral strip perforating system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Spiral strip perforating system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2152525