Controlling well operations based on monitored parameters of cement health
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E21B-047/12
E21B-049/00
출원번호
US-0816749
(2010-06-16)
등록번호
US-8505625
(2013-08-13)
발명자
/ 주소
Ravi, Kris
Samson, Etienne M.
Maida, Jr., John L.
Hunter, William
출원인 / 주소
Halliburton Energy Services, Inc.
대리인 / 주소
Smith IP Services, P.C.
인용정보
피인용 횟수 :
5인용 특허 :
97
초록▼
A method of controlling a well operation can include monitoring at least one parameter of cement lining a wellbore, the monitoring being performed via at least one optical waveguide, and modifying the well operation in response to the parameter being outside of a predetermined acceptable range. A we
A method of controlling a well operation can include monitoring at least one parameter of cement lining a wellbore, the monitoring being performed via at least one optical waveguide, and modifying the well operation in response to the parameter being outside of a predetermined acceptable range. A well monitoring system can include at least one optical waveguide which is used to sense at least one parameter of cement lining a wellbore, an optical interrogation system optically connected to the at least one optical waveguide, and a control system which controls operation of at least one item of well equipment in response to information received from the optical interrogation system.
대표청구항▼
1. A method of controlling a well operation, the method comprising: monitoring in real-time at least one parameter of cement lining a wellbore, wherein at least one optical waveguide senses the parameter; andautomatically modifying the well operation in response to the parameter being outside of a p
1. A method of controlling a well operation, the method comprising: monitoring in real-time at least one parameter of cement lining a wellbore, wherein at least one optical waveguide senses the parameter; andautomatically modifying the well operation in response to the parameter being outside of a predetermined acceptable range, thereby minimizing damage to the wellbore. 2. The method of claim 1, wherein an optical interrogation system detects distributed transient acoustic events through distributed dynamic electromagnetic interferometry resulting from light transmitted through the optical waveguide. 3. The method of claim 1, wherein modifying the well operation further comprises changing a rate of production into the wellbore. 4. The method of claim 1, wherein modifying the well operation further comprises changing a rate of fluid flow into a formation surrounding the wellbore. 5. The method of claim 1, wherein monitoring the at least one parameter further comprises detecting at least one of strain, stress and temperature. 6. The method of claim 1, wherein monitoring the at least one parameter further comprises detecting hydration of the cement. 7. The method of claim 1, wherein monitoring the at least one parameter further comprises detecting acoustic vibrations in the cement. 8. The method of claim 1, wherein monitoring the at least one parameter further comprises detecting compression of the cement. 9. The method of claim 1, wherein modifying the well operation further comprises modifying a density of a fluid circulated into the wellbore. 10. The method of claim 1, wherein modifying the well operation further comprises modifying a pump rate of a stimulation fluid. 11. The method of claim 1, wherein modifying the well operation further comprises modifying a thermal cycling operation. 12. The method of claim 1, wherein modifying the well operation further comprises modifying a drilling operation, thereby avoiding a collision between the wellbore and another wellbore being drilled. 13. The method of claim 1, wherein monitoring the at least one parameter further comprises detecting at least one of a localized strain and a point loading of casing. 14. The method of claim 1, wherein modifying the well operation further comprises relieving pressure build up in an annulus. 15. A method of controlling a well operation, the method comprising: sensing at least one parameter of cement lining a wellbore in real-time, the sensing being performed via at least one optical waveguide; andmodifying the well operation in direct response to the parameter being outside of a predetermined acceptable range, thereby automatically minimizing damage to integrity of the wellbore, wherein an optical interrogation system detects Brillouin backscatter gain resulting from light transmitted through the optical waveguide. 16. A method of controlling a well operation, the method comprising: monitoring at least one parameter of cement lining a wellbore, the monitoring being performed via at least first and second optical waveguides; andmodifying the well operation in response to the parameter being outside of a predetermined acceptable range, wherein strain in the cement is imparted to the first optical waveguide, and wherein the second optical waveguide is isolated from the strain in the cement. 17. The method of claim 16, wherein the second optical waveguide senses temperature of the cement. 18. A method of controlling a well operation, the method comprising: monitoring at least one parameter of cement lining a wellbore, the monitoring being performed via at least first and second optical waveguides; andmodifying the well operation in response to the parameter being outside of a predetermined acceptable range, wherein an optical interrogation system detects Brillouin backscatter gain resulting from light transmitted through the first optical waveguide, and wherein the optical interrogation system detects Raman backscatter resulting from light transmitted through the second optical waveguide. 19. A method of controlling a well operation, the method comprising: monitoring at least one parameter of cement lining a wellbore, the monitoring being performed via at least first and second optical waveguides; andmodifying the well operation in response to the parameter being outside of a predetermined acceptable range, wherein an optical interrogation system detects coherent Rayleigh backscatter resulting from light transmitted through the first optical waveguide, and wherein the optical interrogation system detects Raman backscatter resulting from light transmitted through the second optical waveguide. 20. A well monitoring system, comprising: at least one optical waveguide which senses at least one physical parameter of cement lining a wellbore in real-time;an optical interrogation system optically connected to the at least one optical waveguide; anda control system which controls operation of well equipment in direct response to the sensed parameter received from the optical interrogation system, whereby damage to the cement is automatically minimized. 21. The well monitoring system of claim 20, wherein operation of the well equipment is changed by the control system in response to the parameter being outside of a predetermined acceptable range. 22. The well monitoring system of claim 20, wherein the optical interrogation system detects Brillouin backscatter gain resulting from light transmitted through the optical waveguide. 23. The well monitoring system of claim 20, wherein the optical interrogation system detects coherent Rayleigh backscatter resulting from light transmitted through the optical waveguide. 24. The well monitoring system of claim 20, wherein the well equipment regulates a rate of production into the wellbore. 25. The well monitoring system of claim 20, wherein the well equipment regulates a rate of fluid flow into a formation surrounding the wellbore. 26. The well monitoring system of claim 20, wherein the at least one parameter comprises at least one of strain, stress and temperature. 27. The well monitoring system of claim 20, wherein the at least one parameter comprises hydration of the cement. 28. The well monitoring system of claim 20, wherein the at least one parameter comprises acoustic vibration in the cement. 29. The well monitoring system of claim 20, wherein the at least one parameter comprises compression of the cement. 30. A well monitoring system, comprising: at least first and second optical waveguides which sense at least one parameter of cement lining a wellbore;an optical interrogation system optically connected to the at least first and second optical waveguides; anda control system which controls operation of well equipment in response to information received from the optical interrogation system, wherein strain in the cement is imparted to the first optical waveguide, and wherein the second optical waveguide is isolated from the strain in the cement. 31. The well monitoring system of claim 30, wherein the second optical waveguide senses temperature of the cement. 32. A well monitoring system, comprising: at least first and second optical waveguides which sense at least one parameter of cement lining a wellbore;an optical interrogation system optically connected to the at least first and second optical waveguides; anda control system which controls operation of well equipment in response to information received from the optical interrogation system, wherein the optical interrogation system detects Brillouin backscatter gain resulting from light transmitted through the first optical waveguide, and wherein the optical interrogation system detects Raman backscatter resulting from light transmitted through the second optical waveguide. 33. A well monitoring system, comprising: at least first and second optical waveguides which sense at least one parameter of cement lining a wellbore;an optical interrogation system optically connected to the at least first and second optical waveguides; anda control system which controls operation of well equipment in response to information received from the optical interrogation system, wherein the optical interrogation system detects coherent Rayleigh backscatter resulting from light transmitted through the first optical waveguide, and wherein the optical interrogation system detects Raman backscatter resulting from light transmitted through the second optical waveguide.
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