최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0841497 (2001-04-24) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 237 인용 특허 : 276 |
A hydrocarbon containing formation may be treated using an in situ thermal process. Hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation to raise a temperature of a portion of the formation to a pyrolysis temperature. Pyrolysis prod
A hydrocarbon containing formation may be treated using an in situ thermal process. Hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation to raise a temperature of a portion of the formation to a pyrolysis temperature. Pyrolysis products may be produced from the formation. After pyrolysis, the temperature of the portion may be raised to a synthesis gas production temperature. A synthesis gas producing fluid may be introduced into the formation to generate synthesis gas. After synthesis gas production, the portion may be cooled and used to store carbon dioxide or other fluids.
A hydrocarbon containing formation may be treated using an in situ thermal process. Hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation to raise a temperature of a portion of the formation to a pyrolysis temperature. Pyrolysis prod
A hydrocarbon containing formation may be treated using an in situ thermal process. Hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation to raise a temperature of a portion of the formation to a pyrolysis temperature. Pyrolysis products may be produced from the formation. After pyrolysis, the temperature of the portion may be raised to a synthesis gas production temperature. A synthesis gas producing fluid may be introduced into the formation to generate synthesis gas. After synthesis gas production, the portion may be cooled and used to store carbon dioxide or other fluids. scharge line to at least one of (i) said opening line and (ii) said closing line. 6. The system of claim 5, wherein the pump is a positive displacement pump.7. The system of claim 1, wherein the at least one parameter of interest is at least one of (i) pump cycles and (ii) hydraulic fluid flow rate.8. The system of claim 1, wherein the at least one sensor is at least one of (i) a pump cycle sensor and (ii) a positive displacement flow sensor.9. The system of claim 5, wherein the processor comprises: i. at least one circuit for powering and interfacing with said at least one first sensor and said at least one pressure sensor; ii. at least one circuit for controlling said pump; and iii. at least one circuit for controlling said valve manifold. 10. A system for controlling a downhole flow control device, comprising: a. a hydraulically actuated flow control device in a tubing string in a well, said flow control device having a movable element for controlling the downhole formation flow; b. a hydraulic system hydraulically coupled to said hydraulically actuated flow control device for supplying hydraulic fluid to said hydraulically actuated flow control device; c. at least one first sensor detecting at least one parameter of interest related to a volume of hydraulic fluid supplied to said hydraulically actuated flow control device and generating at least one first signal related thereto; d. at least one pressure sensor for determining a hydraulic fluid supply pressure and generating at least one second signal related thereto; e. a hydrophone disposed in a hydraulic line detecting a pressure pulse in response to movement of said moveable element and generating a third signal in response thereto; and f. a processor receiving said first signal, said second signal, and said third signal and acting according to programmed instructions to generate a relationship between a position of said moveable element and said volume of supplied hydraulic fluid, said processor adapted to control said hydraulic system to position said moveable element at a predetermined position according to said relationship. 11. The system of claim 10, wherein said well is one of (i) a production well and (ii) an injection well.12. The system of claim 10, wherein the hydraulically actuated flow control device is one of (i) a sliding sleeve; (ii) a downhole choke; and (iii) a downhole control valve.13. The system of claim 10, further comprising: i. at least one opening line hydraulically coupling said hydraulic system to said hydraulically actuated device to drive said moveable element in a first opening direction; and ii. at least one closing hydraulic line hydraulically coupling said hydraulic system to said hydraulically actuated device to drive said moveable element in a second closing direction. 14. The system of claim 10, wherein the hydraulic system comprises; i. a pump for supplying hydraulic fluid to a pump discharge line; and ii. a remotely operable valve manifold for directing hydraulic fluid from said pump discharge line to at least one of (i) said opening hydraulic line and (ii) said closing hydraulic line. 15. The system of claim 14, wherein the pump is a positive displacement pump.16. The system of claim 10, wherein the at least one parameter of interest is at least one of (i) pump cycles and (ii) hydraulic fluid flow rate.17. The system of claim 10, wherein the at least one first sensor is at least one of (i) a pump cycle sensor and (ii) a positive displacement flow sensor.18. The system of claim 10, wherein the processor includes; i. at least one circuit for powering and interfacing with said at least one first sensor, said hydrophone, and said at least one pressure sensor; and ii. at least one circuit for controlling said valve manifold. 19. A method for control of a hydraulically actuated downhole flow control device, comprising; a. cycling a moveable element in the hydraulically actuated downhole flow co
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