EP1685308A1 - Systeme de canon de perforation produisant des trous de perforation a obturation automatique - Google Patents

Systeme de canon de perforation produisant des trous de perforation a obturation automatique

Info

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
Application number
EP04765481A
Other languages
German (de)
English (en)
Other versions
EP1685308B1 (fr
Inventor
Rolf Rospek
Malte Veehmayer
Wilfried KRAUTHÄUSER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DynaEnergetics GmbH and Co KG
Original Assignee
DynaEnergetics GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE102004043948A external-priority patent/DE102004043948A1/de
Application filed by DynaEnergetics GmbH and Co KG filed Critical DynaEnergetics GmbH and Co KG
Publication of EP1685308A1 publication Critical patent/EP1685308A1/fr
Application granted granted Critical
Publication of EP1685308B1 publication Critical patent/EP1685308B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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)
  • Punching Or Piercing (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Toys (AREA)
  • Nozzles (AREA)
  • Devices For Opening Bottles Or Cans (AREA)
  • Catching Or Destruction (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)

Abstract

L'invention concerne un canon de perforation comprenant un tuyau de canon extérieur (1) à l'intérieur duquel sont disposés des perforateurs (10) qui peuvent être allumés par un cordeau détonant (11) s'étendant dans le tuyau de canon (1) et qui, une fois l'allumage effectué, percent le tuyau de canon (1) par des trous de perforation (13), des moyens étant prévus pour obturer automatiquement ces trous de perforation (13). Dans un mode de réalisation de cette invention, lesdits moyens d'obturation automatique comprennent des cartouches contenant une mousse gonflable à deux composants. En outre, ces cartouches sont disposées dans le tuyau de canon (1) et peuvent être ouvertes par le cordeau détonant (11) allumé, ce qui permet à la mousse de sortir des cartouches, de gonfler et de boucher les trous de perforation (13). Lorsque les moyens d'obturation automatique des trous de perforation (13) comprennent un tuyau coulissant (4) qui peut être déplacé, après la perforation, au moyen d'un dispositif de déplacement, d'une distance correspondant au moins au diamètre du trou de perforation (13), ledit tuyau coulissant (4) est disposé de manière coaxiale entre les perforateurs (10) et le tuyau de canon (1).
EP04765481A 2003-09-27 2004-09-22 Systeme de canon de perforation produisant des trous de perforation a obturation automatique Not-in-force EP1685308B1 (fr)

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 (fr) 2003-09-27 2004-09-22 Systeme de canon de perforation produisant des trous de perforation a obturation automatique

Publications (2)

Publication Number Publication Date
EP1685308A1 true EP1685308A1 (fr) 2006-08-02
EP1685308B1 EP1685308B1 (fr) 2007-10-10

Family

ID=34426956

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04765481A Not-in-force EP1685308B1 (fr) 2003-09-27 2004-09-22 Systeme de canon de perforation produisant des trous de perforation a obturation automatique

Country Status (7)

Country Link
US (1) US7607379B2 (fr)
EP (1) EP1685308B1 (fr)
AT (1) ATE375435T1 (fr)
CA (1) CA2539244C (fr)
DE (1) DE502004005228D1 (fr)
NO (1) NO336706B1 (fr)
WO (1) WO2005033472A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
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 (fr) * 2010-01-19 2011-11-23 Halliburton Energy Services, Inc. Outil de perforation de puits de forage

Families Citing this family (12)

* Cited by examiner, † Cited by third party
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
NO20171107A1 (en) * 2017-07-05 2018-12-27 Tco As Gun for oriented perforation
US10689955B1 (en) 2019-03-05 2020-06-23 SWM International Inc. Intelligent downhole perforating gun tube and components
US11078762B2 (en) 2019-03-05 2021-08-03 Swm International, Llc Downhole perforating gun tube and components
US11268376B1 (en) 2019-03-27 2022-03-08 Acuity Technical Designs, LLC Downhole safety switch and communication protocol
US11480038B2 (en) 2019-12-17 2022-10-25 DynaEnergetics Europe GmbH Modular perforating gun system
US11619119B1 (en) 2020-04-10 2023-04-04 Integrated Solutions, Inc. Downhole gun tube extension

Family Cites Families (11)

* Cited by examiner, † Cited by third party
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 (fr) * 1999-05-14 2007-10-23 Baker Hughes (Canada) Ltd. Collecteur magnetique de debris pour fond de trou
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2005033472A1 *

Cited By (5)

* Cited by examiner, † Cited by third party
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 (fr) 2009-10-13 2011-04-21 Dynaenergetics Gmbh & Co. Kg Canon de perforation à trous de tir se refermant automatiquement
WO2011045021A3 (fr) * 2009-10-13 2011-11-24 Dynaenergetics Gmbh & Co. Kg Canon de perforation à trous de tir se refermant automatiquement
EP2354443A3 (fr) * 2010-01-19 2011-11-23 Halliburton Energy Services, Inc. Outil de perforation de puits de forage
EP3269922A1 (fr) * 2010-01-19 2018-01-17 Halliburton Energy Services, Inc. Outil de perforation de puits de forage

Also Published As

Publication number Publication date
DE502004005228D1 (de) 2007-11-22
US20070107589A1 (en) 2007-05-17
CA2539244C (fr) 2012-02-21
NO336706B1 (no) 2015-10-26
ATE375435T1 (de) 2007-10-15
CA2539244A1 (fr) 2005-04-14
EP1685308B1 (fr) 2007-10-10
NO20061842L (no) 2006-06-16
US7607379B2 (en) 2009-10-27
WO2005033472A1 (fr) 2005-04-14

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