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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0194877 (2011-07-29) |
등록번호 | US-9062522 (2015-06-23) |
발명자 / 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 0 인용 특허 : 217 |
A configurable insert for a downhole tool. The configurable insert can have a body having a bore formed therethrough, at least one shear groove disposed on the body, wherein the body separates at the shear groove when exposed to a predetermined force, applied by a threadably engaged component therew
A configurable insert for a downhole tool. The configurable insert can have a body having a bore formed therethrough, at least one shear groove disposed on the body, wherein the body separates at the shear groove when exposed to a predetermined force, applied by a threadably engaged component therewith, at least one shoulder disposed within the bore, the shoulder formed by a transition between a larger inner diameter and a smaller inner diameter of the bore, wherein the shoulder is adapted to receive one or more impediments at least partially within the bore, and one or more threads disposed on an outer surface of the body for connecting the body to a downhole tool.
1. A configurable insert for a plug, comprising: a body having a bore formed at least partially therethrough, wherein the bore has a larger inner diameter that transitions to a smaller inner diameter, defining an inner shoulder therebetween;at least one shear element disposed on the body for connect
1. A configurable insert for a plug, comprising: a body having a bore formed at least partially therethrough, wherein the bore has a larger inner diameter that transitions to a smaller inner diameter, defining an inner shoulder therebetween;at least one shear element disposed on the body for connecting to a setting tool, wherein the at least one shear element is an area of reduced wall thickness in the body and the shear element releases the setting tool when exposed to a predetermined force that is less than a force required to break the body;an impediment disposed within the bore for blocking fluid flow in at least one direction through the bore;one or more threads disposed on an outer surface of the body below the at least one shear element for connecting the body to the plug; andat least one circumferential groove disposed on the outer surface of the body below the one or more threads on the outer surface of the body, wherein the at least one circumferential groove is adapted to retain an elastomeric seal element therein. 2. The configurable insert of claim 1, wherein the predetermined force is an axial force, a radial force, or a combination thereof. 3. The configurable insert of claim 1, wherein the impediment is a solid component threadably engaged with one or more threads disposed on an inner surface of the body below the at least one shear element, and adapted to prevent fluid flow in both axial directions through the bore. 4. The configurable insert of claim 1, wherein the impediment is a ball adapted to seat against the inner shoulder in the bore and to block fluid flow in at least one direction therethrough. 5. The configurable insert of claim 1, wherein the impediment comprises a ball and a ball stop, and wherein the ball is contained within the bore between the ball stop and the inner shoulder. 6. The configurable insert of claim 1, further comprising a second shoulder formed on an end of the body for receiving a ball underneath the body. 7. The configurable insert of claim 1, further comprising an annular cover disposed on the inner surface of the body below the at least one shear element such that the impediment is contained between the annular cover and the inner shoulder. 8. The configurable insert of claim 1, wherein the body comprises brass, cast iron, or a combination thereof. 9. The configurable insert of claim 1, wherein the at least one shear element is disposed within the bore of the body. 10. The configurable insert of claim 1, wherein the at least one shear element comprises one or more shearable threads. 11. The configurable insert of claim 1, wherein the at least one shear element comprises a shear pin. 12. The configurable insert of claim 1, wherein the at least one shear element is disposed above the inner shoulder. 13. The configurable insert of claim 12, wherein the at least one shear element is disposed within the bore of the body. 14. The configurable insert of claim 1, wherein the elastomeric seal element is disposed in the at least one circumferential groove. 15. The configurable insert of claim 14, wherein the outer surface of the body has a larger outer diameter that transitions to a smaller outer diameter, defining an outer shoulder therebetween. 16. The configurable insert of claim 15, wherein the at least one circumferential groove is located on the smaller outer diameter of the body. 17. The configurable insert of claim 15, wherein the outer shoulder is frustoconical. 18. A configurable insert for a plug, comprising: a body having a bore formed at least partially therethrough, wherein an outer surface of the body has a larger outer diameter that transitions to a smaller outer diameter, defining an outer shoulder therebetween;at least one shear element disposed on the body for connecting to a setting tool, wherein the at least one shear element comprises one or more shearable thread and the shear element releases the setting tool when exposed to a predetermined force;one or more threads disposed on the outer surface of the body below the at least one shear element for connecting the body to the plug;an inner shoulder disposed on the bore and below the at least one shear element;an impediment at least partially disposed within the bore;at least one circumferential groove disposed on the outer surface of the body below the one or more threads on the outer surface of the body, wherein the at least one circumferential groove is located on the smaller outer diameter of the body, and wherein the at least one circumferential groove is adapted to retain an elastomeric seal element therein. 19. The configurable insert of claim 18, wherein the impediment is a solid component. 20. The configurable insert of claim 18, wherein the impediment is a ball adapted to seat on the inner shoulder. 21. The configurable insert of claim 18, wherein the impediment comprises a ball and a ball stop, and wherein the ball is contained within the bore between the ball stop and the inner shoulder. 22. The configurable insert of claim 18, further comprising a ball stop adapted to couple with one or more threads disposed on the inner surface of the body below the at least one shear element, such that the impediment is contained between the ball stop and the inner shoulder. 23. The configurable insert of claim 18, wherein the at least one shear element is disposed above the inner shoulder. 24. The configurable insert of claim 18, wherein the elastomeric seal element is disposed in the at least one circumferential groove. 25. The configurable insert of claim 24, wherein the outer shoulder is frustoconical. 26. A plug, comprising: a mandrel formed from one or more composite materials;at least one sealing element disposed about the mandrel;at least one slip disposed about the mandrel;at least one conical member disposed about the mandrel; anda configurable insert disposed within the mandrel, the configurable insert comprising: a body having a bore formed at least partially therethrough, wherein an outer surface of the body has a larger outer diameter that transitions to a smaller outer diameter, defining an outer shoulder therebetween;an inner shoulder disposed on the bore;an impediment at least partially disposed within the bore;one or more threads disposed on the outer surface of the body for connecting the body to the mandrel;at least one shear element disposed on the body for connecting to a setting tool, wherein the shear element releases the setting tool when exposed to a predetermined force; andat least one circumferential groove disposed on the outer surface of the body below the one or more threads on the outer surface of the body, wherein the at least one circumferential groove is adapted to retain an elastomeric seal element therein and wherein the at least one circumferential groove is located on the smaller outer diameter of the body. 27. The plug of claim 26, wherein the impediment is a solid component. 28. The plug of claim 26, wherein the impediment is a ball. 29. The configurable insert of claim 26, wherein the impediment comprises a ball and a ball stop, and wherein the ball stop is disposed below the at least one shear element, such that the ball is contained within the bore between the ball stop and the first inner shoulder. 30. The configurable insert of claim 26, further comprising a ball stop adapted to couple with one or more threads disposed on an inner surface of the body below the at least one shear element, such that the impediment is contained between the ball stop and the inner shoulder. 31. The plug of claim 26, further comprising one or more anti-rotation features disposed proximate one or both ends of the plug, wherein the anti-rotation features are adapted to engage each other when two plugs are located in series, preventing relative rotation therebetween. 32. The plug of claim 26, wherein the at least one shear element is disposed above the inner shoulder. 33. The plug of claim 26, wherein the at least one shear element comprises one or more shearable threads. 34. The plug of claim 26, wherein the elastomeric seal element is disposed in the at least one circumferential groove. 35. The plug of claim 34, wherein the outer shoulder is frustoconical. 36. A plug, comprising: a mandrel;at least one sealing element disposed about the mandrel;at least one slip disposed about the mandrel;at least one conical member disposed about the mandrel; anda configurable insert disposed within the mandrel, the configurable insert comprising: a body having a bore formed at least partially therethrough, wherein the bore has a larger inner diameter that transitions to a smaller inner diameter, defining an inner shoulder therebetween;at least one shear element disposed on the body for connecting to a setting tool, wherein the shear element releases the setting tool when exposed to a predetermined force that is less than a force required to break the body;an impediment disposed within the bore for blocking fluid flow in at least one direction through the bore;one or more threads disposed on an outer surface of the body for connecting the body to the plug; andat least one circumferential groove disposed on the outer surface of the body below the one or more threads on the outer surface of the body, wherein the at least one circumferential groove is adapted to retain an elastomeric seal element therein. 37. The plug of claim 36, wherein the at least one shear element is disposed within the bore of the body. 38. The plug of claim 36, wherein the at least one shear element comprises one or more shearable threads. 39. The plug of claim 36, wherein the at least one shear element comprises a shear pin. 40. The plug of claim 36, wherein the at least one shear element is an area of reduced wall thickness in the body. 41. The plug of claim 36, wherein the impediment is a solid component. 42. The plug of claim 36, wherein the impediment is a ball. 43. The plug of claim 36, wherein the impediment comprises a ball and a ball stop, and wherein the ball is contained within the bore between the ball stop and the inner shoulder. 44. The plug of claim 36, wherein the impediment is degradable at a predetermined temperature, pressure, pH, or a combination thereof. 45. The plug of claim 36, wherein an end of the body has a tapered inner diameter forming a second shoulder for receiving a ball underneath the body. 46. The plug of claim 36, further comprising an annular cover disposed on an inner surface of the body below the at least one shear element such that the impediment is contained between the annular cover and the inner shoulder. 47. The plug of claim 36, wherein the body comprises brass, cast iron, or a combination thereof. 48. The plug of claim 36, wherein the mandrel is formed from one or more composite materials. 49. The plug of claim 36, wherein the mandrel is formed from one or more metallic materials. 50. The plug of claim 36, further comprising one or more anti-rotation features disposed proximate one or both ends of the plug, wherein the anti-rotation features are adapted to engage each other when two plugs are located in series, preventing relative rotation therebetween. 51. The plug of claim 36, wherein the at least one shear element is disposed above the inner shoulder. 52. The plug of claim 51, wherein the at least one shear element is disposed within the bore of the body. 53. The plug of claim 36, wherein the elastomeric seal element is disposed in the at least one circumferential groove. 54. The plug of claim 53, wherein the outer surface of the body has a larger outer diameter that transitions to a smaller outer diameter, defining an outer shoulder therebetween. 55. The plug of claim 54, wherein the at least one circumferential groove is located on the smaller outer diameter of the body. 56. The plug of claim 54, wherein the outer shoulder is frustoconical. 57. A configurable insert for a plug, comprising: a body having a bore formed at least partially therethrough, wherein the bore has a larger inner diameter that transitions to a smaller inner diameter, defining a frustoconical inner shoulder therebetween, and wherein an outer surface of the body has a larger outer diameter that transitions to a smaller outer diameter, defining a frustoconical outer shoulder therebetween;at least one shear element disposed on the body for connecting to a setting tool, wherein the shear element releases the setting tool when exposed to a predetermined force that is less than a force required to break the body;an impediment disposed within the bore for blocking fluid flow in at least one direction through the bore;one or more threads disposed on the outer surface of the body below the at least one shear element for connecting the body to the plug, wherein the one or more threads are disposed on the larger outer diameter of the body; andat least one circumferential groove disposed on the outer surface of the body below the one or more threads on the outer surface of the body. 58. The configurable insert of claim 57, wherein the at least one shear element is disposed above the inner shoulder. 59. The configurable insert of claim 58, wherein the at least one shear element is disposed within the bore of the body. 60. The configurable insert of claim 57, further comprising an elastomeric seal element disposed in the at least one circumferential groove. 61. The configurable insert of claim 60, wherein the at least one circumferential groove is located on the smaller outer diameter of the body. 62. The configurable insert of claim 57, wherein the impediment is a solid component disposed on the inner surface of the body below the at least one shear element, and adapted to prevent fluid flow in both axial directions through the bore. 63. The configurable insert of claim 57, wherein the at least one shear element is an area of reduced wall thickness in the body. 64. The configurable insert of claim 57, wherein the impediment is a ball adapted to seat against the inner shoulder in the bore and block fluid flow in at least one direction therethrough. 65. The configurable insert of claim 57, wherein the impediment comprises a ball and a ball stop, and wherein the ball is contained within the bore between the ball stop and the inner shoulder in the bore. 66. The configurable insert of claim 57, further comprising an annular cover disposed on an inner surface of the body below the at least one shear element such that the impediment is contained between the annular cover and the inner shoulder. 67. The configurable insert of claim 57, wherein the body comprises brass, cast iron, or a combination thereof. 68. The configurable insert of claim 57, wherein the at least one shear element comprises one or more shearable threads. 69. The configurable insert of claim 57, wherein the at least one shear element comprises a shear pin. 70. A plug, comprising: a mandrel;at least one sealing element disposed about the mandrel;at least one slip disposed about the mandrel;at least one conical member disposed about the mandrel; anda configurable insert disposed within the mandrel, the configurable insert comprising: a body having a bore formed at least partially therethrough, wherein the bore has a larger inner diameter that transitions to a smaller inner diameter, defining a frustoconical inner shoulder therebetween, and wherein an outer surface of the body has a larger outer diameter that transitions to a smaller outer diameter, defining a frustoconical outer shoulder therebetween;at least one shear element disposed on the body for connecting to a setting tool, wherein the shear element releases the setting tool when exposed to a predetermined force that is less than a force required to break the body;an impediment disposed within the bore for blocking fluid flow in at least one direction through the bore; andone or more threads disposed on the outer surface of the body below the at least one shear element for connecting the body to the plug, wherein the one or more threads are disposed on the larger outer diameter of the body. 71. The plug of claim 70, wherein the at least one shear element is disposed above the inner shoulder. 72. The plug of claim 71, wherein the at least one shear element is disposed within the bore of the body. 73. The plug of claim 70, further comprising at least one circumferential groove disposed on the outer surface of the body below the one or more threads on the outer surface of the body. 74. The plug of claim 73, further comprising an elastomeric seal element disposed in the at least one circumferential groove. 75. The plug of claim 74, wherein the at least one circumferential groove is located on the smaller outer diameter of the body. 76. The plug of claim 70, wherein the impediment is a solid component disposed on the inner surface of the body below the at least one shear element, and adapted to prevent fluid flow in both axial directions through the bore. 77. The plug of claim 70, wherein the at least one shear element is an area of reduced wall thickness in the body. 78. The plug of claim 70, wherein the impediment is a ball adapted to seat against the inner shoulder in the bore and block fluid flow in at least one direction therethrough. 79. The plug of claim 70, wherein the impediment comprises a ball and a ball stop, and wherein the ball is contained within the bore between the ball stop and the inner shoulder in the bore. 80. The plug of claim 70, further comprising an annular cover disposed on an inner surface of the body below the at least one shear element such that the impediment is contained between the annular cover and the inner shoulder. 81. The plug of claim 70, wherein the body comprises brass, cast iron, or a combination thereof. 82. The plug of claim 70, wherein the at least one shear element comprises one or more shearable threads. 83. The plug of claim 70, wherein the at least one shear element comprises a shear pin. 84. The plug of claim 70, wherein the sealing element comprises a malleable material. 85. The plug of claim 70, wherein the sealing element is malleable. 86. A plug, comprising: a mandrel;at least one sealing element disposed about the mandrel;at least one slip disposed about the mandrel;at least one conical member disposed about the mandrel; anda configurable insert disposed within the mandrel, the configurable insert comprising: a body having a bore formed at least partially therethrough, wherein the bore has a larger inner diameter that transitions to a smaller inner diameter, defining a frustoconical inner shoulder therebetween, and wherein an outer surface of the body has a larger outer diameter that transitions to a smaller outer diameter, defining a frustoconical outer shoulder therebetween;at least one shear element disposed within the bore of the body above the inner shoulder for connecting to a setting tool, wherein the shear element releases the setting tool when exposed to a predetermined force that is less than a force required to break the body;an impediment disposed within the bore for blocking fluid flow in at least one direction through the bore;one or more threads disposed on the outer surface of the body below the at least one shear element for connecting the body to the plug, wherein the one or more threads are disposed on the larger outer diameter of the body;at least one circumferential groove disposed on the outer surface of the body below the one or more threads on the outer surface of the body, wherein the at least one circumferential groove is located on the smaller outer diameter of the body; andan elastomeric seal element disposed in the at least one circumferential groove. 87. The plug of claim 86, wherein the at least one shear element comprises one or more shearable threads. 88. The plug of claim 86, wherein the at least one shear element comprises a shear pin. 89. The plug of claim 86, wherein the sealing element comprises a malleable material. 90. The plug of claim 86, wherein the sealing element is malleable. 91. The plug of claim 86, wherein the setting tool comprises an adapter rod and an outer cylinder, and the adapter rod is adapted to engage the shear element.
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