IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0357570
(2012-01-24)
|
등록번호 |
US-8307892
(2012-11-13)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
6 인용 특허 :
110 |
초록
▼
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.
대표청구항
▼
1. A configurable insert for a plug, comprising: a body having a bore formed therethrough;at least one shear groove disposed on the body;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;one or
1. A configurable insert for a plug, comprising: a body having a bore formed therethrough;at least one shear groove disposed on the body;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;one or more threads disposed on an inner surface of the body between the at least one shear groove and the at least one shoulder;an impediment comprising a ball and a ball stop, wherein the ball stop is threadably engaged with the one or more threads disposed on the inner surface of the body, and the ball is contained within the bore between the ball stop and the shoulder; andone or more threads disposed on an outer surface of the body for connecting the body to the plug. 2. The configurable insert of claim 1, wherein the body separates at the shear groove when exposed to a predetermined force, and wherein the predetermined force is an axial force, a radial force, or a combination thereof. 3. The configurable insert of claim 1, wherein the bore comprises two shoulders, each shoulder capable of receiving different sized balls. 4. The configurable insert of claim 1, wherein the ball is degradable at a predetermined temperature, pressure, pH, or a combination thereof. 5. The configurable insert of claim 1, wherein the at least one shear groove is an area of reduced wall thickness in the body that is adapted to break at a predetermined force. 6. The configurable insert of claim 1, wherein the ball is adapted to block fluid flow in at least one direction through the bore. 7. The configurable insert of claim 1, further comprising a sloped surface formed on an end of the body, the sloped surface capable of receiving a second ball. 8. The configurable insert of claim 7, wherein the second ball is degradable at a predetermined temperature, pressure, pH, or a combination thereof, and adapted to seat on the sloped surface formed on the end of the body. 9. The configurable insert of claim 1, wherein the body comprises brass, cast iron, or a combination thereof. 10. A configurable insert for a plug, comprising: a brass body having a bore formed therethrough;one or more threads disposed on an outer surface of the body for connecting to the plug;one or more threads disposed on an inner surface of the body for connecting to a setting tool;at least one shear groove disposed on the body, wherein the body separates at the shear groove allowing the body to release from the setting tool when exposed to a predetermined force;one or more threads disposed on the inner surface of the body below the at least one shear groove;at least one shoulder disposed within the bore and below the at least one shear groove, the shoulder having a sloped surface connecting a larger inner diameter of the bore to a smaller inner diameter of the bore; andat least one impediment disposed within the bore and below the at least one shear groove. 11. The configurable insert of claim 10, wherein the impediment is a solid component threadably engaged with the one or more threads disposed on the inner surface of the body below the at least one shear groove, and wherein the solid component is adapted to prevent fluid flow in both axial directions through the bore. 12. The configurable insert of claim 10, wherein the impediment is a ball adapted to seat on the sloped surface of the shoulder. 13. The configurable insert of claim 10, wherein the impediment comprises a ball and a ball stop, the ball stop adapted to couple with the one or more threads disposed on the inner surface of the body below the at least one shear groove, such that the ball is contained within the bore between the ball stop and the shoulder. 14. The configurable insert of claim 10, wherein the impediment comprises two balls and a ball stop, wherein the ball stop is adapted to couple with the one or more threads disposed on the inner surface of the body below the at least one shear groove, such that one ball is contained between the ball stop and the shoulder, and the other ball is degradable at a predetermined temperature, pressure, pH, or a combination thereof, and wherein the degradable ball is adapted to seat on a sloped surface formed on an end of the body. 15. A plug, comprising: a mandrel formed from one or more composite materials;at least one malleable 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 therethrough;at least one shoulder disposed within the bore, the shoulder formed by a transition between a larger inner diameter of the bore and a smaller inner diameter of the bore, wherein the shoulder is adapted to receive one or more impediments disposed within the bore;one or more threads disposed on an outer surface of the body for connecting the body to the mandrel;at least one shear groove disposed on the body, wherein the body separates at the shear groove when exposed to a predetermined force; andone or more threads disposed on an inner surface of the body below the at least one shear groove. 16. The plug of claim 15, wherein the impediment is a solid component threadably engaged with the one or more threads disposed on the inner surface of the body, and the solid component is adapted to prevent fluid flow in both axial directions through the bore. 17. The plug of claim 15, wherein the impediment is a ball. 18. The configurable insert of claim 15, wherein the impediment comprises a ball and a ball stop, the ball stop adapted to couple with the one or more threads disposed on the inner surface of the body such that the ball is contained within the bore between the ball stop and the shoulder. 19. The configurable insert of claim 15, wherein the impediment comprises two balls and a ball stop adapted to couple with the one or more threads disposed on the inner surface of the body such that one ball is contained between the ball stop and the shoulder, and the other ball is degradable at a predetermined temperature, pressure, pH, or a combination thereof, and the degradable ball is adapted to seat on a sloped surface formed on an end of the body. 20. A plug, comprising: a mandrel formed from one or more composite materials;at least one malleable 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 therethrough;at least one shoulder disposed within the bore, the shoulder formed by a transition between a larger inner diameter of the bore and a smaller inner diameter of the bore;a ball disposed within the bore and adjacent the shoulder;one or more threads disposed on an outer surface of the body for connecting the body to the mandrel;at least one shear groove disposed on the body; andone or more threads disposed on an inner surface of the body below the at least one shear groove. 21. The plug of claim 20, wherein the body separates at the shear groove when exposed to a predetermined force, and wherein the predetermined force is an axial force, a radial force, or a combination thereof. 22. The plug of claim 20, wherein the configurable insert comprises two shoulders disposed within the bore. 23. The plug of claim 20, wherein the at least one shear groove is an area of reduced wall thickness in the body that is adapted to break at a predetermined force. 24. The plug of claim 20, further comprising a sloped surface formed on an end of the body, the sloped surface capable of receiving a second ball. 25. The plug of claim 24, wherein the second ball is degradable at a predetermined temperature, pressure, pH, or a combination thereof. 26. The plug of claim 20, further comprising a ball stop coupled with the one or more threads disposed on the inner surface of the body such that the ball is contained within the bore between the ball stop and the shoulder. 27. The plug of claim 20, wherein the body comprises brass, cast iron, or a combination thereof. 28. The plug of claim 20, wherein the at least one shoulder is disposed below the at least one shear groove.
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