Alternative gauging system for production well testing and related methods
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E21B-049/08
E21B-049/00
출원번호
US-0026941
(2013-09-13)
등록번호
US-9410422
(2016-08-09)
발명자
/ 주소
Sondhi, Amit
출원인 / 주소
CHEVRON U.S.A. INC.
인용정보
피인용 횟수 :
0인용 특허 :
180
초록▼
A method for measuring a well fluid parameter includes diverting a fluid through a first loop comprising one or more fluid parameter measurement components, determining a gross flow rate of the fluid, recirculating the fluid through a second loop upon determining the gross flow rate is below a thres
A method for measuring a well fluid parameter includes diverting a fluid through a first loop comprising one or more fluid parameter measurement components, determining a gross flow rate of the fluid, recirculating the fluid through a second loop upon determining the gross flow rate is below a threshold amount, and measuring the fluid parameter upon the gross flow rate reaching or exceeding the threshold amount.
대표청구항▼
1. A system in fluid communication with a production well for measuring a well fluid parameter, the system comprising: a first fluid circulation loop comprising one or more fluid parameter measurement components for measuring the fluid parameter;a second fluid circulation loop comprising a pump, and
1. A system in fluid communication with a production well for measuring a well fluid parameter, the system comprising: a first fluid circulation loop comprising one or more fluid parameter measurement components for measuring the fluid parameter;a second fluid circulation loop comprising a pump, and in fluid communication with the first fluid circulation loop; anda control valve disposed in the first fluid circulation loop downstream from the second fluid circulation loop,wherein the well fluid is circulated through the second fluid circulation loop in response to determining that a gross flow rate of the well fluid in the first fluid circulation loop is below a threshold amount, andwherein the fluid parameter is measured in the first fluid circulation loop after the well fluid is circulated through the second fluid circulation loop. 2. The system of claim 1, further comprising well fluid preconditioning equipment disposed in the first fluid circulation loop upstream from the one or more fluid parameter measurement components. 3. The system of claim 2, wherein the well fluid preconditioning equipment comprises one or more basket strainers. 4. The system of claim 1, further comprising a variable frequency drive controller coupled with the pump. 5. The system of claim 1, further comprising one or more control valves in the second fluid circulation loop configurable to route the well fluid along multiple fluid paths therethrough. 6. The system of claim 1, wherein the one or more fluid parameter measurement components comprise one or more water-cut meters. 7. The system of claim 1, wherein the one or more fluid parameter measurement components comprise one or more flowmeters. 8. The system of claim 1, wherein the control valve disposed in the first circulation loop maintains the pressure of the well fluid in the second fluid circulation loop according to a predetermined pressure set-point. 9. The system of claim 1, wherein the threshold amount is a gross flow rate of approximately 750 barrels of fluid per day. 10. The system of claim 1, wherein the well fluid bypasses the second fluid circulation loop in response to determining that the gross flow rate in the first fluid circulation loop is at or above the threshold amount. 11. The system of claim 1, wherein the one or more fluid parameter measurement components comprise one or more water-cut meters and one or more flowmeters, further comprising a check valve disposed in the first fluid circulation loop upstream of the one or more water-cut meters and the one or more flowmeters. 12. The system of claim 1, wherein the one or more fluid parameter measurement components comprise one or more water-cut meters and one or more flowmeters, further comprising a check valve disposed in the second fluid circulation loop upstream of the one or more water-cut meters and the one or more flowmeters. 13. The system of claim 1, wherein a measurement loop of the first fluid circulation loop resembles an inverted U-shape loop. 14. The system of claim 1, wherein a measurement loop of the first fluid circulation loop extends upward in a diagonal manner. 15. The system of claim 1, wherein a measurement loop of the first fluid circulation loop comprises a horizontal portion. 16. The system of claim 2, wherein the well fluid preconditioning equipment comprises one or more heat exchangers or heating elements. 17. The system of claim 2, wherein the well fluid preconditioning equipment comprises one or more air and gas eliminators or removal devices. 18. The system of claim 2, wherein the well fluid preconditioning equipment comprises one or more mixers. 19. The system of claim 1, wherein the well fluid is circulated through the first fluid circulation loop before the well fluid is circulated through the second fluid circulation loop, and wherein chemicals are injected into the well fluid. 20. The system of claim 2, wherein the well fluid preconditioning equipment disposed in the first fluid circulation loop is utilized to heat the well fluid that is circulated through the first fluid circulation loop before the well fluid is circulated through the second fluid circulation loop, and wherein the well fluid is heated to between approximately 130° F. and 150° F., at least about 100° F., at least about 110° F., at least about 120° F., at least about 130° F., up to at least about 150° F., up to at least about 160° F., up to at least about 170° F., up to at least about 180° F., or up to at least about 200° F. 21. The system of claim 1, wherein a purge time for removing previous well fluid from the first and second fluid circulation loops is calculated using the gross flow rate that is determined in the first fluid circulation loop. 22. The system of claim 1, wherein the well fluid is circulated in the second fluid circulation loop at a flow rate of approximately 1500 barrels per day, at least about 750 barrels per day, at least about 1000 barrels per day, at least about 1250 barrels per day, up to about 1750 barrels per day, up to about 2000 barrels per day, or up to about 2500 barrels per day.
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이 특허에 인용된 특허 (180)
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