System and method for analysis of well fluid samples
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E21B-049/08
출원번호
US-0522557
(2008-01-16)
등록번호
US-8245572
(2012-08-21)
우선권정보
GB-0700835.2 (2007-01-17)
국제출원번호
PCT/EP2008/050445
(2008-01-16)
§371/§102 date
20100202
(20100202)
국제공개번호
WO2008/087156
(2008-07-24)
발명자
/ 주소
Birkett, Graham
MacWilliam, David
Ross, Paul
Wardle, Mangus
Atkinson, Malcolm
출원인 / 주소
Schlumberger Technology Corporation
대리인 / 주소
Chi, Stephanie
인용정보
피인용 횟수 :
2인용 특허 :
25
초록▼
A system and method facilitates the analysis and sampling of well fluid. A sampling and data collection device is used to detect well fluid properties in situ at a flowline installation. In an exemplary embodiment, the sampling and data collection device comprises a sample collection system having a
A system and method facilitates the analysis and sampling of well fluid. A sampling and data collection device is used to detect well fluid properties in situ at a flowline installation. In an exemplary embodiment, the sampling and data collection device comprises a sample collection system having a probe adapted to selectively insert into and selectively retract from the flowline to collect a fluid sample, and a sensor system to determine PVT data in situ at the location where the probe is inserted into the flowline.
대표청구항▼
1. A subsea system for collecting fluid samples and data, comprising: a sampling and data collection device adapted to be coupled to a flowline at a flowline installation, the sampling and data collection device comprising:a sample collection system having a probe adapted to selectively insert into
1. A subsea system for collecting fluid samples and data, comprising: a sampling and data collection device adapted to be coupled to a flowline at a flowline installation, the sampling and data collection device comprising:a sample collection system having a probe adapted to selectively insert into and selectively retract from the flowline to collect a fluid sample; anda sensor system to determine pressure/volume/temperature (PVT) data in situ at the location of the flowline installation where the probe is inserted into the flowline. 2. The system as recited in claim 1, wherein the sensor system comprises a phase sensor. 3. The system as recited in claim 1, wherein the sensor system comprises a temperature sensor and a pressure sensor. 4. The system as recited in claim 1, wherein the sample collection system comprises a plurality of sample collection bottles. 5. The system as recited in claim 1, wherein the sample collection system comprises at least one gas sample collection bottle and at least one liquid sample collection bottle. 6. The system as recited in claim 1, wherein the sensor system comprises a hydrogen sulfide (H2S) sensor. 7. A method of collecting information on fluids in a fluid flowline at a subsea location, comprising: engaging a sampling and data collection device with a flowline at a desired flowline location wherein the sampling and data collection device is capable of selectively inserting a probe into and selectively retracting the probe from the flowline;determining PVT properties of a flowline fluid in situ at the desired flowline location via the sampling and data collection device; andobtaining a flowline fluid sample at the desired flowline location via the sampling and data collection device. 8. The method as recited in claim 7, further comprising sensing H2S levels of the flowline fluid in situ at the desired flowline location via the sampling and data collection device. 9. The method as recited in claim 7, wherein engaging comprises adjustably inserting a probe into the flowline at a desired position within the flowline. 10. The method as recited in claim 7, further comprising measuring a fluid sample density and a mass flow rate with a mass flowmeter. 11. The method as recited in claim 7, wherein determining comprises determining PVT properties via a sensor mounted to a probe inserted into the flowline. 12. The method as recited in claim 7, wherein determining comprises standardizing the fluid sample pressure and temperature in an adjustable chamber and measuring PVT properties in the adjustable chamber. 13. The method as recited in claim 7, wherein obtaining comprises capturing a liquid sample in a sample bottle. 14. The method as recited in claim 7, wherein obtaining comprises capturing a gas sample in a sample bottle. 15. The method as recited in claim 7, further comprising drawing the flowline fluid into an enrichment and PVT assembly via a chamber and a chamber actuator controlled to adjust a chamber volume. 16. The method as recited in claim 15, further comprising controlling the temperature in a desired region of the enrichment and PVT assembly. 17. The method as recited in claim 15, further comprising flushing flowline fluid through the enrichment and PVT assembly prior to collecting flowline fluid data. 18. A system for collecting fluid samples and data, comprising: a subsea sampling and data collection device coupleable to a subsea flowline, the subsea sampling and data collection device comprising: a probe assembly selectively extendable into contact with a flowline fluid within the flowline;an enrichment and PVT assembly to enrich a flowline fluid and to determine PVT properties of the flowline fluid in situ; anda sample collection assembly to collect a sample of flowline fluid for subsequent analysis. 19. The system as recited in claim 18, further comprising a control system to control operation of the probe assembly, the enrichment and PVT assembly, and the sample collection assembly. 20. A method, comprising: moving a sampling and data collection device to a subsea location proximate a flowline;inserting a probe of the sampling and data collection device into the flowline for exposure to a fluid flowing in the flowline;determining a property of the fluid in situ; andwithdrawing a sample of the fluid from the flowline for further analysis. 21. The method as recited in claim 20, wherein withdrawing comprises withdrawing the sample into an enrichment and PVT assembly via a plurality of chambers and chamber actuators controllable to adjust the volume of each chamber. 22. The method as recited in claim 20, further comprising changing the temperature of the sample in the sampling and data collection device. 23. The method as recited in claim 20, wherein determining comprises sensing H2S levels of the flowline fluid in situ at the desired flowline location via the sampling and data collection device. 24. The method as recited in claim 20, wherein withdrawing comprises selectively withdrawing a liquid sample and a gas sample.
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