[특허]Debris reduction perforating apparatus and method for use of same

Halliburton Energy Services, Inc.

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Debris reduction perforating apparatus and method for use of same

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E21B-043/116 E21B-043/11
미국특허분류(USC)	166/297; 166/055; 166/055.1; 175/004.6
출원번호	US-0992045 (2004-11-18)
등록번호	US-7360599 (2008-04-22)
발명자 / 주소	Walker,Jerry L. Gilbert,Jim
출원인 / 주소	Halliburton Energy Services, Inc.
대리인 / 주소	Youst,Lawrence R.
인용정보	피인용 횟수 : 2 인용 특허 : 11

초록
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A perforating apparatus (100) includes a plurality of shaped charges (102) each having a case, an initiation end and a discharge end. A detonating cord (116) is operably associated with the initiation ends of the shaped charges (102). An energy absorbing charge holder (104) has a detonating cord receiving area to receive the detonating cord therein (116). The energy absorbing charge holder (104) also has a plurality of charge receiving locations that closely receive the shaped charges (102) therein such that upon detonation of the shaped charges (102), e...

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What is claimed is: 1. A perforating apparatus comprising: a carrier; a solid metal energy absorbing charge holder formed from a single metal component positioned within the carrier, the energy absorbing charge holder having a plurality of charge receiving locations formed therein and a detonating cord receiving area; a plurality of shaped charges each having a case, the shaped charges positioned within the charge receiving locations of the energy absorbing charge holder such that the energy absorbing charge holder substantially surrounds the shaped charges, the shaped charges each having an initiation end and a discharge end, the initiation ends being disposed proximate the detonating cord receiving area of the energy absorbing charge holder; and a detonating cord positioned within the detonating cord receiving area of the energy absorbing charge holder and operable to initiate a detonation of the shaped charges, wherein the cases of the shaped charges are closely received within the charge receiving locations of the energy absorbing charge holder such that upon detonation of the shaped charges, energy is transferred from the cases to the energy absorbing charge holder, thereby reducing fragmentation of the cases. 2. The perforating apparatus as recited in claim 1 wherein the energy absorbing charge holder is rotatably mounted within the carrier. 3. The perforating apparatus as recited in claim 1 wherein the energy absorbing charge holder is mounted in a fixed position relative to the carrier. 4. The perforating apparatus as recited in claim 1 wherein the energy absorbing charge holder further comprises a malleable material. 5. The perforating apparatus as recited in claim 1 wherein the energy absorbing charge holder further comprises at least one of a material selected from aluminum and zinc. 6. The perforating apparatus as recited in claim 1 wherein the energy absorbing charge holder is closely received within the carrier. 7. The perforating apparatus as recited in claim 1 wherein the cases of the shaped charges further comprise a solid metal. 8. The perforating apparatus as recited in claim 1 wherein the cases of the shaped charges further comprise steel. 9. The perforating apparatus as recited in claim 1 wherein the cases of the shaped charges further comprise copper. 10. The perforating apparatus as recited in claim 1 wherein the cases of the shaped charges further comprise a material that is processed by at least one of cold forming, hot forging, machining, casting and molding. 11. The perforating apparatus as recited in claim 1 further comprising a detonating cord retainer coupled to the energy absorbing charge holder. 12. The perforating apparatus as recited in claim 1 wherein the shaped charges are circumferentially phased. 13. The perforating apparatus as recited in claim 12 wherein the shaped charges have 10/350 phasing. 14. The perforating apparatus as recited in claim 1 wherein the shaped charges are oriented to create at least 3 shots per foot. 15. A perforating apparatus comprising; a plurality of shaped charges each having a case, an initiation end and a discharge end; a detonating cord operably associated with the initiation ends of the shaped charges; and a solid metal energy absorbing charge holder formed from a single metal component having a detonating cord receiving area to receive the detonating cord therein and a plurality of charge receiving locations that closely receive the shaped charges therein such that the energy absorbing charge holder substantially surrounds the shaped charges and such that upon detonation of the shaped charges, energy is transferred from the cases of the shaped charges to the energy absorbing charge holder, thereby reducing fragmentation of the cases. 16. The perforating apparatus as recited in claim 15 wherein the charge holder is rotatably mounted within a carrier. 17. The perforating apparatus as recited in claim 15 wherein the charge holder is mounted in a fixed position relative to the carrier. 18. The perforating apparatus as recited in claim 15 wherein the charge holder further comprises a malleable material. 19. The perforating apparatus as recited in claim 15 wherein the charge holder further comprises at least one of a material selected from aluminum and zinc. 20. The perforating apparatus as recited in claim 15 wherein the charge holder is closely received within a carrier. 21. The perforating apparatus as recited in claim 15 wherein the cases of the shaped charges further comprise a solid metal. 22. The perforating apparatus as recited in claim 15 wherein the cases of the shaped charges further comprise at least one of a material selected from steel and copper. 23. The perforating apparatus as recited in claim 15 wherein the cases of the shaped charges further comprise a material that is processed by at least one of cold forming, hot forging, machining, casting and molding. 24. The perforating apparatus as recited in claim 15 further comprising a detonating cord retainer coupled to the charge holder. 25. The perforating apparatus as recited in claim 15 wherein the shaped charges are circumferentially phased. 26. The perforating apparatus as recited in claim 25 wherein the shaped charges have 10/350 phasing. 27. The perforating apparatus as recited in claim 15 wherein the shaped charges are oriented to create at least 3 shots per foot. 28. A charge holder for a perforating apparatus comprising: a solid metal energy absorbing substantially tubular member formed from a single metal component having a detonating cord receiving area to receive a detonating cord therein and a plurality of charge receiving locations that closely receive shaped charges having cases therein such that the energy absorbing tubular member substantially surrounds the shaped charges and such that upon detonation of the shaped charges, energy is transferred from the cases of the shaped charges to the energy absorbing substantially tubular member, thereby reducing fragmentation of the cases. 29. The charge holder as recited in claim 28 wherein the energy absorbing substantially tubular member further comprises a malleable material. 30. The charge holder as recited in claim 28 wherein the energy absorbing substantially tubular member further comprises at least one of a material selected from aluminum and zinc. 31. The charge holder as recited in claim 28 wherein the cases of the shaped charges further comprise a solid metal. 32. The charge holder as recited in claim 28 wherein the cases of the shaped charges further comprise at least one of a material selected from steel and copper. 33. The charge holder as recited in claim 28 wherein the cases of the shaped charges further comprise a material that is processed by at least one of cold forming, hot forging, machining, casting and molding. 34. The charge holder as recited in claim 28 further comprising a detonating cord retainer coupled to the energy absorbing substantially tubular member. 35. The charge holder as recited in claim 28 wherein the shaped charges are circumferentially phased. 36. The charge holder as recited in claim 35 wherein the shaped charges have 10/350 phasing. 37. The charge holder an recited in claim 28 wherein the shaped charges are oriented to create at least 3 shots per foot. 38. A method for reducing fragmentation of shaped charge cases in perforating a subterranean well using a perforating apparatus, the method comprising the steps of: running the perforating apparatus downhole; detonating the shaped charges contained within a solid metal energy absorbing charge holder formed from a single metal component having a plurality of charge receiving locations that closely receive the shaped charges therein such that the energy absorbing charge holder substantially surrounds the shaped charges; and transferring energy from the cases of the shaped charges to the charge holder, thereby reducing fragmentation of the cases. 39. The method as recited in claim 38 further comprising rotatably mounting the charge holder within a carrier. 40. The method as recited in claim 38 further comprising fixably mounting the charge holder within a carrier. 41. The method as recited in claim 38 wherein the charge holder further comprises a malleable material. 42. The method as recited in claim 38 wherein the charge holder further comprises at least one of a material selected from aluminum and zinc. 43. The method as recited in claim 38 further comprising closely receiving the charge holder within a carrier. 44. The method as recited in claim 38 wherein the cases of the shaped charges further comprise a solid metal. 45. The method as recited in claim 38 wherein the cases of the shaped charges further comprise at least one of a material selected from steel and copper. 46. The method as recited in claim 38 wherein the cases of the shaped charges further comprise a material that is processed by at least one of cold forming, hot forging, machining, casting and molding. 47. The method as recited in claim 38 further comprising coupling a detonating cord retainer to the charge holder. 48. The method as recited in claim 38 wherein the step of detonating shaped charges further comprises detonating shaped charges having circumferential phasing. 49. The method as recited in claim 48 wherein the step of detonating shaped charges having circumferential phasing further comprises detonating shaped charges having 10/350 phasing. 50. The method as recited in claim 38 wherein the step of detonating shaped charges further comprises detonating shaped charges to create at least 3 shots per foot.

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이 특허를 인용한 특허 피인용횟수: 2

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Debris reduction perforating apparatus and method for use of same

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Debris reduction perforating apparatus and method for use of same

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