IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0071800
(2011-03-25)
|
등록번호 |
US-8113291
(2012-02-14)
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발명자
/ 주소 |
- Bailey, Thomas F.
- Chambers, James W.
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
3 인용 특허 :
348 |
초록
A leak detection method uses a comparator to compare fluid values in and from the latch assembly of the latch system for an oilfield device and/or in and from the bearing assembly of a rotating control head.
대표청구항
▼
1. A system, comprising: a latch assembly comprising a piston movable between a latched position and an unlatched position; anda comparator configured to compare a first fluid value to the latch assembly with a second fluid value from said latch assembly; wherein said latch assembly is remotely actu
1. A system, comprising: a latch assembly comprising a piston movable between a latched position and an unlatched position; anda comparator configured to compare a first fluid value to the latch assembly with a second fluid value from said latch assembly; wherein said latch assembly is remotely actuatable. 2. The system of claim 1, further comprising: a rotating control head, wherein said rotating control head is latched with said latch assembly when said piston is in the latched position. 3. The system of claim 2, wherein said latch assembly further comprising: a housing forming a chamber, wherein said piston is positioned within said housing chamber. 4. The system of claim 1, further comprising a fluid to move said piston between the latched position and the unlatched position. 5. The system of claim 4, further comprising: a first fluid line operatively connected to said latch assembly for delivering the fluid to said latch assembly;a first meter coupled to said first fluid line, said first meter is configured for measuring the first fluid value of the fluid delivered to said latch assembly;a second fluid line operatively connected to said latch assembly;a second meter coupled to said second fluid line, said second meter is configured for measuring the second fluid value; andsaid comparator configured to compare the first fluid value with the second fluid value. 6. The system of claim 5, further comprising: a third fluid line operatively connected to the latch assembly;a third meter coupled to said third fluid line, said third meter measuring a fluid value; andsaid comparator configured to compare the first fluid value with the second fluid value and the third fluid value. 7. The system of claim 1, a display coupled to said comparator wherein said display indicates the results of the comparison of the first fluid value relative to the second fluid value. 8. The system of claim 7, wherein said display comprising a text message. 9. A comparator system for use with a latch assembly to latch a rotating control head, comprising: a first fluid line operatively connected to the latch assembly for delivering a fluid to the latch assembly;a first meter coupled to said first fluid line, said first meter measuring a first fluid value of the fluid delivered to the latch assembly;a second fluid line operatively connected to the latch assembly;a second meter coupled to the second fluid line, said second meter measuring a second fluid value; anda comparator configured to compare the first fluid value with the second fluid value. 10. The system of claim 9, a display coupled to said comparator wherein said display indicates the results of the comparison of the first fluid value with the second fluid value. 11. The system of claim 9, further comprising: a third fluid line operatively connected to the latch assembly;a third meter coupled to said third fluid line, said third meter measuring a fluid value; andsaid comparator configured to compare the first fluid value with the second fluid value and the third fluid value. 12. A comparator system for use with a rotating control head, a bearing assembly is disposed in the rotating control head, comprising: a first fluid line operatively coupled to the rotating control head bearing assembly;a first meter coupled to said first fluid line, said first meter is configured for measuring a first fluid value;a second fluid line operatively coupled to the rotating control head bearing assembly;a second meter coupled to said second fluid line, said second meter is configured for measuring a second fluid value; anda comparator, coupled to said first meter and said second meter, and configured to compare the first fluid value with the second fluid value. 13. The system of claim 12, wherein the first fluid value is a measured fluid volume value, and wherein the second fluid value is a measured second fluid volume value. 14. The system of claim 13, further comprising a display coupled to said comparator, wherein the results of the compared measured first fluid volume value and the measured second fluid volume value is displayed on said display. 15. The system of claim 12, wherein the first fluid value is a measured fluid flow rate value, and wherein the second fluid value is a measured second fluid flow rate value. 16. The system of claim 12, further comprising a display coupled to said comparator, wherein said display indicates a text message resulting from the compared first fluid value and the second fluid value. 17. A system, comprising: a housing having a chamber;a rotating control head;a latch assembly configured for latching said rotating control head, said latch assembly comprising: a retainer member radially movable between an unlatched position and a latched position, said retainer member latched with said rotating control head in the latched position; anda piston having a first side and a second side and movable between a first position and a second position in said housing chamber, said piston urging said retainer member to move to the latched position when said piston is in said first position and said piston allowing said retainer member to move to the unlatched position when said piston is in the second position; anda comparator system comprising: a first fluid line operatively coupled to said housing chamber for receiving said piston;a first meter coupled to said first fluid line, said first meter is configured for measuring a first fluid value;a second fluid line operatively coupled to said housing chamber for receiving said piston;a second meter coupled to said second fluid line, said second meter measuring a second fluid value; anda comparator coupled to said first meter and said second meter and configured to compare the measured first fluid value with the measured second fluid value. 18. The system of claim 17, wherein the measured first fluid value is a measured first fluid value for a fluid delivered to a portion of said housing chamber on one side of said piston, and the measured second fluid value is a measured second fluid value for a fluid from another portion of said housing chamber on the other side of said piston. 19. The system of claim 18, further comprising a display coupled to said comparator, wherein the results of the compared measured first fluid value and the measured second fluid value is displayed on said display. 20. The system of claim 17, wherein the measured first fluid value is a measured first fluid flow rate value, and the measured second fluid value is a measured second fluid flow rate value. 21. The system of claim 17, wherein the measured first fluid value is a measured first fluid volume value, and the measured second fluid value is a measured second fluid volume value.
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