[미국특허]
Acoustic emission inspection of coiled tubing
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01N-029/00
E21B-017/20
E21B-017/00
출원번호
US-0990923
(2004-11-17)
등록번호
US-7458267
(2008-12-02)
발명자
/ 주소
McCoy,Terry H.
출원인 / 주소
Halliburton Energy Services, Inc.
대리인 / 주소
Wustenberg,John W.
인용정보
피인용 횟수 :
13인용 특허 :
21
초록▼
A method for testing tubing having the following steps: plastically deforming the tubing with a tubing handling system, the tubing handling system having a reel, a gooseneck and an injector; sensing with at least one sensor acoustic emissions emitted by the tubing during the deforming; and processin
A method for testing tubing having the following steps: plastically deforming the tubing with a tubing handling system, the tubing handling system having a reel, a gooseneck and an injector; sensing with at least one sensor acoustic emissions emitted by the tubing during the deforming; and processing acoustic emission signals sensed from the tubing during the deforming. A system for testing a coiled tubing, the system having: a tubing handling system, the tubing handling system having a reel, a gooseneck and an injector; at least one acoustic emission sensor mounted on the tubing handling system and in direct contact with the tubing; and an acoustic emission signal processor in signal transmission communication with the at least one acoustic emission sensor.
대표청구항▼
What is claimed is: 1. A method of testing tubing plastically deformed by a tubing handling system, comprising: providing tubing for use in wells; plastically deforming the tubing by the tubing handling system; sensing with at least one sensor acoustic emission signals emitted by the tubing while p
What is claimed is: 1. A method of testing tubing plastically deformed by a tubing handling system, comprising: providing tubing for use in wells; plastically deforming the tubing by the tubing handling system; sensing with at least one sensor acoustic emission signals emitted by the tubing while plastically deforming; and processing the sensed acoustic emission signals. 2. The method of claim 1 wherein the tubing handling system comprises a reel, and the tubing plastically deforms when unwound from the reel. 3. The method of claim 1 wherein the tubing handling system comprises a reel, and the tubing plastically deforms when wound on the reel. 4. The method of claim 1 wherein the tubing handling system comprises a gooseneck, and the tubing plastically deforms when traveling over the gooseneck. 5. The method of claim 1 wherein the tubing handling system comprises an injector, and the tubing plastically deforms when pulled through the injector. 6. The method of claim 1 wherein the tubing handling system comprises a pump, and the tubing plastically deforms when a pressure differential exists between an inner diameter of the tubing and an exterior of the tubing. 7. The method of claim 1 wherein sensing the acoustic emission signals comprises contacting a rolling sensor with the tubing. 8. The method of claim 1 wherein processing the acoustic emission signals comprises amplifying the acoustic emission signals. 9. The method of claim 1 wherein processing the acoustic emission signals comprises filtering the acoustic emission signals. 10. The method of claim 1 wherein processing the acoustic emission signals comprises conducting knowledge-based software analysis on the acoustic emission signals. 11. The method of claim 1 further comprising generating an alarm when the processing of the acoustic emission signals indicates that a region of the tubing containing a defect has insufficient strength to support a certain stress level. 12. The method of claim 11 wherein the certain stress level is about 60% of the tensile strength of the tubing. 13. A method of testing tubing comprising: providing a tubing handling system comprising a reel, a gooseneck, and an injector; sensing, with at least one rolling sensor in direct contact with the tubing, acoustic emission signals emitted by the tubing while being plastically deformed by the tubing handling system; processing the sensed acoustic emission signals, wherein the processing comprises amplifying, filtering, and analyzing with knowledge-based software, the sensed acoustic emission signals; and generating an alarm when the processed acoustic emission signals indicates that a region of the tubing contains a defect having insufficient strength to support a stress level of at least about 60% of the tensile strength of the tubing. 14. A system for testing tubing, comprising: tubing for use in wells; a tubing handling system, wherein the tubing handling system plastically deforms the tubing; at least one acoustic emission sensor mounted on the tubing handling system and in direct contact with the tubing, wherein the at least one acoustic emission sensor senses acoustic emission signals emitted by the tubing while plastically deforming; and an acoustic emission signal processor in signal transmission communication with the at least one acoustic emission sensor. 15. The system of claim 14 wherein the tubing handling system comprises a reel, and the tubing plastically deforms as the tubing unwinds from the reel. 16. The system of claim 14 wherein the tubing handling system comprises a reel, and the tubing plastically deforms as the tubing winds on the reel. 17. The system of claim 14 wherein the tubing handling system comprises a gooseneck, and the tubing plastically deforms when traveling through the gooseneck. 18. The system of claim 14 wherein the tubing handling system comprises an injector, and the tubing plastically deforms when pulled through the injector. 19. The system of claim 14 wherein the tubing handling system comprises a pump, and the tubing plastically deforms when a pressure differential exists between an inner diameter of the tubing and an exterior of the tubing. 20. The system of claim 14 wherein the at least one acoustic emission sensor is a rolling sensor and is in rolling contact with the tubing. 21. The system of claim 14 wherein the acoustic emission signal processor comprises an amplifier. 22. The system of claim 14 wherein the acoustic emission signal processor comprises a filter. 23. The system of claim 14 wherein the acoustic emission signal processor comprises knowledge-based software. 24. The system of claim 14 further comprising an alarm, wherein the alarm is activated when the acoustic emission signal processor indicates that a region of the tubing containing a defect has insufficient strength to support a certain stress level. 25. The system of claim 24 wherein the certain stress level is about 60% of the tensile strength of the tubing. 26. A system for testing tubing, comprising: a tubing handling system, wherein the tubing handling system comprises a reel, a gooseneck, and an injector; at least one rolling acoustic emission sensor mounted on the tubing handling system and in direct contact with the tubing, wherein the at least one rolling acoustic emission sensor senses acoustic emission signals emitted by the tubing while the tubing handling system is plastically deforming the tubing; an acoustic emission signal processor in signal conmmnication with the at least one acoustic emission sensor; and an alarm in signal communication with the acoustic emission signal processor, wherein the alarm is activated when the acoustic emission signal processor indicates that a region of the tubing containing a defect has insufficient strength to support a certain stress level. 27. The system of claim 26 wherein the certain stress level is about 60% of the tensile strength of the tubing. 28. The system of claims 26 wherein the acoustic emission signal processor comprises an amplifier, a filter, and knowledge-based software.
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