IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0957123
(2007-12-14)
|
등록번호 |
US-7640986
(2010-02-11)
|
발명자
/ 주소 |
- Behrmann, Lawrence A.
- Grove, Brenden M.
|
출원인 / 주소 |
- Schlumberger Technology Corporation
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
20 인용 특허 :
14 |
초록
▼
A perforating gun has a gun carrier extending in a longitudinal direction and a loading tube located within the gun carrier. The loading tube extends in the longitudinal direction and a shape charge is supported by the loading tube. The shape charge has a casing, an explosive, and a liner, the casin
A perforating gun has a gun carrier extending in a longitudinal direction and a loading tube located within the gun carrier. The loading tube extends in the longitudinal direction and a shape charge is supported by the loading tube. The shape charge has a casing, an explosive, and a liner, the casing opening in a first direction and having a centerline extending in the first direction, the first direction being essentially perpendicular to the longitudinal direction. A liquid implant is located adjacent to the shape charge in the first direction and intersecting the centerline.
대표청구항
▼
The invention claimed is: 1. A perforating gun, comprising: A gun carrier extending in a longitudinal direction; a loading tube located within the gun carrier, the loading tube extending in the longitudinal direction; a shape charge being supported by the loading tube, the shape charge having a cup
The invention claimed is: 1. A perforating gun, comprising: A gun carrier extending in a longitudinal direction; a loading tube located within the gun carrier, the loading tube extending in the longitudinal direction; a shape charge being supported by the loading tube, the shape charge having a cup-shaped casing having a rim that defines an opening to an interior volume of the casing, a liner located inside the casing, and an explosive between the casing and the liner, the shape charge aiming in a first direction and having a centerline extending along the first direction, the first direction being essentially perpendicular to the longitudinal direction; and a liquid implant, the liquid implant being located outside of the interior volume of the cup-shaped casing and adjacent to the shape charge in the first direction and intersecting the centerline; wherein the liquid implant contains water. 2. The perforating gun of claim 1, wherein the outer rim forms a perimeter defining an interior area of the perimeter in the first direction, the liquid implant overlapping the entire inside area of the perimeter in the first direction. 3. The perforating gun of claim 1, wherein the liquid implant overlaps the interior area of the perimeter in the first direction and extends outside the interior of the perimeter uphole in the longitudinal direction. 4. The perforating gun of claim 1, wherein the liquid implant overlaps the interior area of the perimeter in the first direction and extends outside the interior area of the perimeter downhole in the longitudinal direction. 5. The perforating gun of claim 1, wherein the liquid implant overlaps the interior area of the perimeter in the first direction and extends outside the interior area of the perimeter uphole and downhole in the longitudinal direction. 6. The perforating gun of claim 1, wherein the liquid implant is positioned adjacent to the shape charge so that when the shape charge detonates the liner is propelled into contact with the liquid implant. 7. The perforating gun of claim 1, wherein the liquid implant has a barrier that defines an internal area, the internal area containing liquid. 8. The perforating gun of claim 7, wherein the barrier defines a single internal area in the liquid implant. 9. A method of perforating, comprising: placing a perforating gun downhole, the perforating gun comprising: a gun carrier extending in a longitudinal direction; a loading tube located within the gun carrier, the loading tube extending in the longitudinal direction; a shape charge being supported by the loading tube, the shape charge having a cup-shaped casing having a rim that defines an opening to an interior volume of the casing, a liner within the casing and an explosive between the casing and the liner, the shape charge aiming in a first direction, the first direction being essentially perpendicular to the longitudinal direction; and a liquid implant, the liquid implant being located outside of the interior volume of the cup-shaped casing and adjacent to the shape charge in the first direction; wherein the liquid implant contains water; the method comprising, detonating the shape charge thereby forming the liner into a jet, the jet being propelled in the first direction thereby contacting and rupturing the liquid implant and releasing liquid in the liquid implant, thereby contacting the liquid with gas produced from the detonation of the shape charge. 10. The method of claim 9, wherein the shape charge has a centerline extending in the first direction, the liquid implant intersecting the centerline. 11. The method of claim 9, wherein the shape charge has a centerline extending in the first direction, the liquid implant surrounding the centerline. 12. The perforating gun of claim 1, wherein the liquid implant is made from plastic. 13. The perforating gun of claim 1, wherein the liquid implant is made from metal. 14. The perforating gun of claim 1, wherein the liquid implant is made from polymer. 15. The perforating gun of claim 1, wherein the liquid implant is ceramic. 16. The perforating gun of claim 1, wherein the liquid implant is made from elastomer. 17. The perforating gun of claim 9, wherein the liquid implant has a barrier that defines an internal area, the internal area containing liquid. 18. The perforating gun of claim 17, wherein the barrier defines a single internal area in the liquid implant. 19. A perforating gun, comprising: a gun carrier extending in a longitudinal direction; a loading tube located within the gun carrier, the loading tube extending in the longitudinal direction; a shape charge being supported by the loading tube, the shape charge having a cup-shaped casing having a rim that defines an opening to an interior volume of the cup-shaped casing, a liner inside the casing, and an explosive located between the casing and the liner, the shape charge aiming in a first direction, the first direction being essentially perpendicular to the longitudinal direction; and a liquid implant, the liquid implant being located outside of the interior volume of the cup-shaped casing and adjacent to the shape charge in the first direction and intersecting the centerline and poisoned so that upon detonation of the shape charge the liner becomes a jet, the jet being projected into contact with the liquid implant; wherein the liquid implant contains water. 20. The perforating gun of claim 19, wherein the liquid implant is a container having a single interior volume holding liquid. 21. The perforating gun of claim 19, comprising at least one shape charge and only one liquid implant corresponding to each of the at least one shape charge. 22. The perforating gun of claim 20, comprising at least one shape charge and only one liquid implant corresponding to each of the at least one shape charge.
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