Remote tool position and tool status indication
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E21B-047/09
E21B-047/00
E21B-047/12
E21B-047/16
G01V-001/44
출원번호
US-0036616
(2014-01-22)
등록번호
US-10119390
(2018-11-06)
국제출원번호
PCT/US2014/012438
(2014-01-22)
국제공개번호
WO2015/112127
(2015-07-30)
발명자
/ 주소
Hornsby, Joshua Max
출원인 / 주소
Halliburton Energy Services, Inc.
대리인 / 주소
Kilpatrick Townsend & Stockton LLP
인용정보
피인용 횟수 :
0인용 특허 :
49
초록▼
A system is described that is positionable downhole in wellbore for determining a parameter of a downhole tool. The system includes a tubing subassembly and a signal generator positioned in the tubing subassembly for outputting, in response to being covered or uncovered by a detectable portion of a
A system is described that is positionable downhole in wellbore for determining a parameter of a downhole tool. The system includes a tubing subassembly and a signal generator positioned in the tubing subassembly for outputting, in response to being covered or uncovered by a detectable portion of a downhole tool, a detectable signal for determining a parameter of the downhole tool.
대표청구항▼
1. A system positionable downhole in wellbore, the system comprising: a tubing subassembly;an acoustic sensor that is operable to detect sound waves reflected from an actuatable member or detectable portion of a downhole tool; andan acoustic signal generator positioned in a compartment of the tubing
1. A system positionable downhole in wellbore, the system comprising: a tubing subassembly;an acoustic sensor that is operable to detect sound waves reflected from an actuatable member or detectable portion of a downhole tool; andan acoustic signal generator positioned in a compartment of the tubing subassembly for (i) receiving a signal from the acoustic sensor that indicates that the signal generator is uncovered by the actuatable member or detectable portion of the downhole tool and (ii) responsively outputting a detectable signal usable to determine a parameter of the downhole tool in response to the signal from the acoustic sensor;wherein the parameter of the downhole tool includes a first parameter and a second parameter, the first parameter indicates the downhole tool is in a set state or a released state and the second parameter indicates the downhole tool is in a locked state or an unlocked state. 2. The system of claim 1, wherein the acoustic signal generator includes one or more signal generators in the tubing subassembly, at least one signal generator being operable for outputting, in response to being covered or uncovered by the actuatable member or detectable portion of the downhole tool, a second detectable signal that is different than the detectable signal to determine a change in the parameter or to determine the second parameter of the downhole tool. 3. The system of claim 1, wherein: the acoustic signal generator includes the acoustic sensor for detecting being covered or uncovered by the detectable portion. 4. The system of claim 3, wherein the acoustic sensor is a sonar sensor. 5. The system of claim 1 additionally comprising a repeating element located between the acoustic signal generator and a control rig. 6. The system of claim 1, additionally comprising a memory, wherein the detectable signal is a log entry in the memory. 7. The system of claim 1, wherein: the acoustic signal generator includes the acoustic sensor for detecting being covered or uncovered by the actuatable member or detectable portion;the downhole tool is a separate part from the tubing subassembly; the compartment is positioned such that the detectable portion uncovers the compartment and the acoustic sensor when the downhole tool is in the set state; andwherein the acoustic signal generator is operable for outputting an acoustic signal into a wellbore environment. 8. A downhole notification method comprising: detecting an acoustical detection event by an acoustic sensor that is operable to detect sound waves reflected from an actuatable member or detectable portion of a downhole tool, the acoustic sensor communicatively coupled to an acoustic signal generator positioned within a compartment in a tubing subassembly, the acoustical detection event corresponding to an uncovering of the acoustic signal generator by the actuatable member or detectable portion of the downhole tool; andgenerating a detectable signal, by the acoustic signal generator usable to determine a parameter of the downhole tool, in response to receiving a signal from the acoustic sensor, the signal indicating the acoustic sensor detected the acoustical detection event;wherein the parameter of the downhole tool includes a first parameter and a second parameter, the first parameter indicates the downhole tool is in a set state or a released state and the second parameter indicates the downhole tool is in a locked state or an unlocked state. 9. The method of claim 8, wherein the acoustic signal generator includes one or more acoustic signal generators, additionally comprising: detecting a second detection event by the acoustic sensor corresponding to at least one acoustic signal generator being covered or uncovered by the actuatable member or detectable portion; andgenerating a second detectable signal that is different than the detectable signal. 10. The method of claim 8, wherein the acoustic signal generator is positioned such that the detectable signal correlates to the set state of the downhole tool or the release state of the downhole tool and the locked state of the downhole tool or the unlocked state of the downhole tool. 11. The method of claim 8, wherein: the acoustic signal generator includes the acoustic sensor. 12. The method of claim 11, wherein the acoustic sensor is a sonar sensor and the detecting is performed by sonar. 13. The method of claim 8, wherein the detectable signal includes information indicative of an identification of the acoustic signal generator, a location of the acoustic signal generator, or state of the downhole tool. 14. The method of claim 8, additionally comprising: logging the acoustical detection event in a memory. 15. The method of claim 8, additionally comprising: relaying the detectable signal through a repeater to a control rig. 16. A system positionable downhole in wellbore, the system comprising: a tubing subassembly having a compartment;an acoustic signal generator, for determining a parameter of a downhole tool, the acoustic signal generator including a signal generation device and an acoustic sensor that is operable to detect sound waves reflected from an actuatable member or detectable portion of the downhole tool; wherein: the acoustic sensor is positioned in the compartment for detecting the compartment being uncovered by the actuatable member or detectable portion of the downhole tool;the signal generation device is operatively coupled to the acoustic sensor for (i) receiving a signal from the acoustic sensor that indicates that the compartment with the acoustic sensor is uncovered by the actuatable member or detectable portion of the downhole tool and (ii) responsively generating an acoustic signal or an electrical signal usable to determine the parameter of the downhole tool; andthe parameter of the downhole tool includes a first parameter and a second parameter, the first parameter indicates the downhole tool is in a set state or a released state, and the second parameter indicates the downhole tool is in a locked state or an unlocked state. 17. The system of claim 16, wherein: the tubing subassembly is a tubing string;the compartment includes an opening to an outer diameter of the tubing string;the actuatable member or detectable portion is a portion of the downhole tool locatable about the outer diameter of the tubing string; andthe acoustic sensor is located such that it is coverable by the downhole tool when the downhole tool is in a released position.
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