EP1685308A1 - Perforationskanonensystem mit selbstverschliessenden durchschusslöchern - Google Patents
Perforationskanonensystem mit selbstverschliessenden durchschusslöchernInfo
- Publication number
- EP1685308A1 EP1685308A1 EP04765481A EP04765481A EP1685308A1 EP 1685308 A1 EP1685308 A1 EP 1685308A1 EP 04765481 A EP04765481 A EP 04765481A EP 04765481 A EP04765481 A EP 04765481A EP 1685308 A1 EP1685308 A1 EP 1685308A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- perforation
- tube
- cannon
- sliding tube
- perforators
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000006260 foam Substances 0.000 claims abstract description 10
- 239000002360 explosive Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 4
- 238000010304 firing Methods 0.000 claims 1
- 239000012634 fragment Substances 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/11—Perforators; Permeators
- E21B43/119—Details, e.g. for locating perforating place or direction
Definitions
- a cartridge is arranged adjacent to a perforator.
- Perforation cannons with an outer cannon tube, in the interior of which perforators are arranged, which can be ignited via an explosive cord leading through the cannon tube and, after ignition, penetrate the cannon tube at the bullet holes, means for automatically closing the bullet holes being provided and these means comprising a sliding tube, which can be displaced by at least the diameter of the bullet hole after being shot through an adjusting device, it is proposed that the sliding tube be arranged coaxially between the perforators and the gun barrel. This prevents fragments from escaping from the gun barrel into the bore with simple and safe means. In the case of horizontal bores where the outer wall rests on the casing inner wall, it is possible to move the sliding tube safely.
- the sliding tube is fixed in its starting position by means of a securing element which breaks open after the detonating cord has been ignited and releases the displacement of the sliding tube.
- the adjusting device can be a tensioned spring or a pyrotechnic element that can be ignited by the detonating cord.
- the sliding tube is closed on the side into which it is to be displaced and is open on the other side, as a result of which the sliding tube is designed like a piston which can be displaced by the pressure which builds up as a result of the ignition of the perforators.
- FIG. 1 shows a cannon tube 1 of a perforation cannon for use in the petroleum and natural gas industry for connecting a bore to the storage horizon.
- the gun barrel 1 is closed at both ends by a connector or closure 18.
- a sliding tube 4 In the interior of the gun barrel 1 there is a sliding tube 4 and therein a load carrier 9 to which perforators 10 are fastened.
- these perforators are 10 shaped charges.
- an explosive cord 11 is guided to the respective ignition points of the perforators 10.
- the detonating cord 11 is guided through the connectors or terminations 18 into the interior of the perforation gun.
- the inner tube or the sliding tube 4 is z. B. closed by a cap 5.
- predetermined breaking points 3 can be introduced, so that after the perforators 10 have been ignited, the shaped charge jet 12 (see FIG. 2) which is formed can penetrate the gun barrel 1 unhindered.
- Fig. 2 shows a section of the perforation gun immediately after ignition.
- the detonating cord 11 has ignited the perforators 10.
- the shaped charge jet or shaped charge jet 12 which has formed has penetrated the sliding tube 4 and the gun barrel 1.
- the metal housings of the perforators 10 disassemble and form fragments and fragments that form part of the “debris”.
- Figure 4 shows a section of the perforation gun after the shot.
- the securing element 7 has been sheared off by the pressure in the sliding tube 4, as a result of which the sliding tube 4 has shifted up to the nearby connector or closure 18.
- the remaining small parts or the debris 17 cannot leave the gun barrel 1. It is not shown that this is Inner tube 4 inflated after the shot and thus wedged with the gun barrel 1.
- the invention thus consists of a mechanism which closes the perforation holes or bullet holes 13 in the cannon wall 2 after the shot and thus prevents the "debris" 17 from escaping.
- Foam cartridges or, as described, a slide or rotation mechanism can serve as the locking mechanism
- some perforators 10 are replaced by cartridges with 2-component foam, and the detonating cord 11, which ignites the perforators or charges 10, causes the cartridge to react, the foam swells and clogs the bullet holes 13.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Punching Or Piercing (AREA)
- Toys (AREA)
- Nozzles (AREA)
- Devices For Opening Bottles Or Cans (AREA)
- Catching Or Destruction (AREA)
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10344958 | 2003-09-27 | ||
DE102004004750 | 2004-01-30 | ||
DE102004011616 | 2004-03-10 | ||
DE102004043948A DE102004043948A1 (de) | 2003-09-27 | 2004-09-11 | Perforationskanonensystem mit selbstverschließenden Durchschusslöchern |
PCT/EP2004/010609 WO2005033472A1 (de) | 2003-09-27 | 2004-09-22 | Perforationskanonensystem mit selbstverschliessenden durchschusslöchern |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1685308A1 true EP1685308A1 (de) | 2006-08-02 |
EP1685308B1 EP1685308B1 (de) | 2007-10-10 |
Family
ID=34426956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04765481A Expired - Lifetime EP1685308B1 (de) | 2003-09-27 | 2004-09-22 | Perforationskanonensystem mit selbstverschliessenden durchschusslöchern |
Country Status (7)
Country | Link |
---|---|
US (1) | US7607379B2 (de) |
EP (1) | EP1685308B1 (de) |
AT (1) | ATE375435T1 (de) |
CA (1) | CA2539244C (de) |
DE (1) | DE502004005228D1 (de) |
NO (1) | NO336706B1 (de) |
WO (1) | WO2005033472A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010048044A1 (de) | 2009-10-13 | 2011-04-14 | Dynaenergetics Gmbh & Co. Kg | Perforationskanonensystem mit selbstverschließenden Durchschusslöchern |
EP2354443A3 (de) * | 2010-01-19 | 2011-11-23 | Halliburton Energy Services, Inc. | Bohrlochbohrwerkzeug |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7441601B2 (en) * | 2005-05-16 | 2008-10-28 | Geodynamics, Inc. | Perforation gun with integral debris trap apparatus and method of use |
US7942098B2 (en) * | 2006-08-29 | 2011-05-17 | Schlumberger Technology Corporation | Loading tube for shaped charges |
US7762351B2 (en) * | 2008-10-13 | 2010-07-27 | Vidal Maribel | Exposed hollow carrier perforation gun and charge holder |
CN102031952B (zh) * | 2010-11-26 | 2013-12-25 | 中国航天科技集团公司川南机械厂 | 多级射孔增压方法 |
US9297228B2 (en) * | 2012-04-03 | 2016-03-29 | Halliburton Energy Services, Inc. | Shock attenuator for gun system |
US8807206B2 (en) * | 2012-11-27 | 2014-08-19 | Halliburton Energy Services, Inc. | Perforating gun debris retention assembly and method of use |
NO343254B1 (en) | 2017-07-05 | 2018-12-27 | Tco As | Gun for oriented perforation |
US11078762B2 (en) | 2019-03-05 | 2021-08-03 | Swm International, Llc | Downhole perforating gun tube and components |
US10689955B1 (en) | 2019-03-05 | 2020-06-23 | SWM International Inc. | Intelligent downhole perforating gun tube and components |
US11268376B1 (en) | 2019-03-27 | 2022-03-08 | Acuity Technical Designs, LLC | Downhole safety switch and communication protocol |
WO2021122797A1 (en) | 2019-12-17 | 2021-06-24 | DynaEnergetics Europe GmbH | Modular perforating gun system |
US11619119B1 (en) | 2020-04-10 | 2023-04-04 | Integrated Solutions, Inc. | Downhole gun tube extension |
US12000267B2 (en) | 2021-09-24 | 2024-06-04 | DynaEnergetics Europe GmbH | Communication and location system for an autonomous frack system |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2142572A (en) * | 1935-04-13 | 1939-01-03 | Lane Wells Co | Perforating gun |
US2252270A (en) * | 1938-11-05 | 1941-08-12 | American Oil Tool Company | Perforating device |
US2462784A (en) * | 1941-11-17 | 1949-02-22 | Lane Wells Co | Well perforating gun |
US2765739A (en) * | 1951-01-26 | 1956-10-09 | Welex Jet Services Inc | Jet carrier sealing plug |
US3361204A (en) * | 1965-06-25 | 1968-01-02 | Pan American Petroleum Corp | Method and apparatus for treating an underground formation |
US3366179A (en) * | 1965-08-18 | 1968-01-30 | John C Kinley | Well tool having safety means to prevent premature firing |
GB2128719B (en) * | 1982-10-20 | 1986-11-26 | Vann Inc Geo | Gravity oriented perforating gun for use in slanted boreholes |
US6220370B1 (en) | 1999-02-18 | 2001-04-24 | Owen Oil Tools, Inc. | Circulating gun system |
CA2271620C (en) * | 1999-05-14 | 2007-10-23 | Baker Hughes (Canada) Ltd. | Downhole magnetic debris collector |
US6679327B2 (en) * | 2001-11-30 | 2004-01-20 | Baker Hughes, Inc. | Internal oriented perforating system and method |
US7441601B2 (en) * | 2005-05-16 | 2008-10-28 | Geodynamics, Inc. | Perforation gun with integral debris trap apparatus and method of use |
-
2004
- 2004-09-22 US US10/573,581 patent/US7607379B2/en active Active
- 2004-09-22 CA CA2539244A patent/CA2539244C/en not_active Expired - Fee Related
- 2004-09-22 EP EP04765481A patent/EP1685308B1/de not_active Expired - Lifetime
- 2004-09-22 AT AT04765481T patent/ATE375435T1/de not_active IP Right Cessation
- 2004-09-22 WO PCT/EP2004/010609 patent/WO2005033472A1/de active IP Right Grant
- 2004-09-22 DE DE502004005228T patent/DE502004005228D1/de not_active Expired - Lifetime
-
2006
- 2006-04-26 NO NO20061842A patent/NO336706B1/no not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO2005033472A1 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010048044A1 (de) | 2009-10-13 | 2011-04-14 | Dynaenergetics Gmbh & Co. Kg | Perforationskanonensystem mit selbstverschließenden Durchschusslöchern |
WO2011045021A2 (de) | 2009-10-13 | 2011-04-21 | Dynaenergetics Gmbh & Co. Kg | Perforationskanone mit selbstverschliessenden durchschusslöchern |
WO2011045021A3 (de) * | 2009-10-13 | 2011-11-24 | Dynaenergetics Gmbh & Co. Kg | Perforationskanone mit selbstverschliessenden durchschusslöchern |
EP2354443A3 (de) * | 2010-01-19 | 2011-11-23 | Halliburton Energy Services, Inc. | Bohrlochbohrwerkzeug |
EP3269922A1 (de) * | 2010-01-19 | 2018-01-17 | Halliburton Energy Services, Inc. | Bohrlochperforationswerkzeug |
Also Published As
Publication number | Publication date |
---|---|
ATE375435T1 (de) | 2007-10-15 |
NO336706B1 (no) | 2015-10-26 |
CA2539244A1 (en) | 2005-04-14 |
WO2005033472A1 (de) | 2005-04-14 |
NO20061842L (no) | 2006-06-16 |
CA2539244C (en) | 2012-02-21 |
EP1685308B1 (de) | 2007-10-10 |
DE502004005228D1 (de) | 2007-11-22 |
US7607379B2 (en) | 2009-10-27 |
US20070107589A1 (en) | 2007-05-17 |
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