STRUCTURE FOR GUNPOWDER CHARGE IN COMBINED FRACTURING PERFORATION DEVICE
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IPC분류정보
국가/구분 |
United States(US) Patent
공개
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국제특허분류(IPC7판) |
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출원번호 |
US-0759064
(2013-02-05)
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공개번호 |
US-0145924
(2013-06-13)
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우선권정보 |
CN-200910218911.0 (2009-11-11); CN-201020684805.X (2010-12-29) |
발명자
/ 주소 |
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출원인 / 주소 |
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인용정보 |
피인용 횟수 :
0 인용 특허 :
0 |
초록
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This invention provides a structure for gunpowder charge for charging gunpowders of different rates in combined fracturing perforation devices. The structure for gunpowder charge is convenient to mount and transport. In one embodiment, said structure for gunpowder charge comprises an inner gunpowder
This invention provides a structure for gunpowder charge for charging gunpowders of different rates in combined fracturing perforation devices. The structure for gunpowder charge is convenient to mount and transport. In one embodiment, said structure for gunpowder charge comprises an inner gunpowder box located between adjacent perforating charges in the charge frame of a perforation device, and an outer gunpowder box attached to the outer wall of the charge frame, wherein said outer gunpowder box comprises one or two box units (2 or 4) with at least one claw at the inner side of said box unit, said claw can be locked into a groove or installation hole of the charge frame, and wherein said inner gunpowder box and said outer gunpowder box are charged with gunpowders of different burning rates.
대표청구항
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1. A structure for gunpowder charge for a combined fracturing perforation device, said structure for gunpowder charge comprises an inner gunpowder box located between adjacent perforating charges in the charge frame of said perforation device, and an outer gunpowder box attached to the outer wall of
1. A structure for gunpowder charge for a combined fracturing perforation device, said structure for gunpowder charge comprises an inner gunpowder box located between adjacent perforating charges in the charge frame of said perforation device, and an outer gunpowder box attached to the outer wall of the charge frame, wherein said outer gunpowder box comprises one or two box units (2 or 4) with at least one claw at the inner side of said box unit, said claw can be locked into a groove or installation hole of the charge frame, and wherein said inner gunpowder box and said outer gunpowder box are charged with gunpowders of different burning rates. 2. The structure for gunpowder charge of claim 1, wherein the projected shape of said box unit (2 or 4) is rectangular or T-shaped. 3. The structure for gunpowder charge of claim 1, wherein said box unit (2 or 4) further comprises a box cover (3 or 42). 4. The structure for gunpowder charge of claim 1, wherein said outer gunpowder box comprises one box unit 2 with three claws (21, 22) at the inner side of said box unit 2 and said three claws (21, 22) are locked into the groove 11 of the charge frame 1. 5. The structure for gunpowder charge of claim 4, wherein two of said three claws 21 are each at the edge of the two sides of the upper end of said box unit 2, and the other claw 22 is at the center of the lower end of said box unit 2. 6. The structure for gunpowder charge of claim 4, wherein said three claws are L-shaped. 7. The structure for gunpowder charge of claim 1, wherein said outer gunpowder box comprises two box units 4 which are connected together through a flexible belt 5, and at least one claw 41 at the inner side of each of the box unit 4; wherein said claw 41 is locked in the installation hole of the charge frame 1. 8. The structure for gunpowder charge of claim 7, wherein said claw 41 is positioned at the inner side of the free end of said box unit 4. 9. The structure for gunpowder charge of claim 7, wherein said claw 41 is V-shaped. 10. The structure for gunpowder charge of claim 7, wherein said flexible belt 5 is made from high-temperature resistant metal or non-metallic materials. 11. The structure for gunpowder charge of claim 10, wherein said metal or non-metallic materials are temperature resistant in the range of about 121° C.˜250° C. 12. The structure for gunpowder charge of claim 10, wherein said non-metallic material is high-strength polyethylene, polytetrafluoroethylene, or polypropylene. 13. The structure for gunpowder charge of claim 7, wherein said flexible belt 5 is made from aluminum or magnesium. 14. The structure for gunpowder charge of claim 1, wherein said box unit is made from high-temperature resistant non-metallic materials. 15. The structure for gunpowder charge of claim 14, wherein said non-metallic materials are temperature resistant in the range of about 121° C.˜250° C. 16. The structure for gunpowder charge of claim 14, wherein said non-metallic material is high-strength polyethylene, polytetrafluoroethylene, or polypropylene. 17. The structure for gunpowder charge of claim 1, wherein said claw is locked into the groove or installation hole of the charge frame through a one-step process. 18. The structure for gunpowder charge of claim 17, wherein said one-step process is a sliding process.
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