Signal operated drilling tools for milling, drilling, and/or fishing operations
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E21B-031/113
E21B-034/12
E21B-029/00
E21B-047/12
E21B-007/06
E21B-017/06
E21B-021/10
E21B-023/02
E21B-023/14
E21B-043/10
E21B-031/107
E21B-017/02
E21B-031/12
E21B-047/00
E21B-047/09
E21B-004/02
E21B-023/00
E21B-029/06
출원번호
US-0673288
(2015-03-30)
등록번호
US-10145196
(2018-12-04)
발명자
/ 주소
Redlinger, Thomas M.
Koithan, Thomas
Vreeland, Christopher M.
Heiskell, Wesley Don
Antoine, Andrew
McIntire, Scott
출원인 / 주소
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
대리인 / 주소
Patterson + Sheridan, LLP
인용정보
피인용 횟수 :
0인용 특허 :
48
초록▼
A mud motor for use in a wellbore includes: a stator; a rotor, the stator and rotor operable to rotate the rotor in response to fluid pumped between the rotor and the stator; and a lock. The lock is operable to: rotationally couple the rotor to the stator in a locked position, receive an instruction
A mud motor for use in a wellbore includes: a stator; a rotor, the stator and rotor operable to rotate the rotor in response to fluid pumped between the rotor and the stator; and a lock. The lock is operable to: rotationally couple the rotor to the stator in a locked position, receive an instruction signal from the surface, release the rotor in an unlocked position, and actuate from the locked position to the unlocked position in response to receiving the instruction signal.
대표청구항▼
1. A tool for cutting or milling a tubular cemented to a wellbore, comprising: a tubular housing having a plurality of openings formed through a wall thereof;a plurality of blades movable relative to the housing between an extended position and a retracted position, each blade extending through a re
1. A tool for cutting or milling a tubular cemented to a wellbore, comprising: a tubular housing having a plurality of openings formed through a wall thereof;a plurality of blades movable relative to the housing between an extended position and a retracted position, each blade extending through a respective opening in the extended position;a piston disposed in the housing and operable to move the blades to the extended position in response to injection of fluid therethrough;a blade stop, comprising: a receiver operable to receive an instruction signal;a sleeve disposed between the tubular housing and the piston and operable to limit the axial movement of the piston relative to the housing;a lock operable to lock the sleeve in a position; anda controller in communication with the receiver and the lock, and operable to activate the lock in response to the instruction signal, thereby limiting axial movement of the piston relative to the housing. 2. The tool of claim 1, wherein: the blade stop further comprises a position sensor, andthe controller is further operable to activate the lock to lock the sleeve at the position included in the instruction signal. 3. The tool of claim 1, wherein the receiver comprises an antenna located adjacent to a flow bore of the tool and operable to receive the instruction signal from a radio frequency identification (RFID) tag travelling through the flow bore. 4. The tool of claim 1, the sleeve having a first shoulder; and the blade stop further comprising: a first chamber formed radially between an inner surface of the tubular housing and an outer surface of the sleeve and longitudinally between a first side of the first shoulder of the sleeve and the housing;a second chamber formed radially between the inner surface of the housing and the outer surface of the sleeve and longitudinally between a second side of the first shoulder and the housing; anda passage disposed between the first chamber and the second chamber providing fluid communication therebetween, wherein the lock is disposed in the passage. 5. The tool of claim 4, wherein the lock is at least one of a solenoid valve or a pump. 6. The tool of claim 4, wherein a seal is disposed between the first shoulder of the sleeve and the housing. 7. The tool of claim 4, wherein: the sleeve having a second shoulder;the piston having a stop shoulder; andwherein engagement of the stop shoulder with the second shoulder limits the axial movement of the piston relative to the tubular housing. 8. The tool of claim 1, wherein the receiver is operable to receive an second instruction signal, and the controller is operable to release the lock in response to the second instruction signal and to re-activate the lock to lock the sleeve at the position included in the second instruction signal. 9. The tool of claim 1, wherein the piston further comprises a nozzle. 10. The tool of claim 1, further comprising: the piston having a piston shoulder with a first and a second side; andan actuator operable to move the piston having: a first hydraulic chamber formed between the tubular housing and the piston, the first hydraulic chamber extending longitudinally between the first side of the piston shoulder and the housing;a second hydraulic chamber formed between the tubular housing and the piston, the second hydraulic chamber extending longitudinally between the second side of the piston shoulder and the housing;at least one passage providing fluid communication between the first and second hydraulic chambers;an pump disposed in the at least one passage; anda controller operable to activate the pump. 11. A tool for cutting or milling a tubular cemented to a wellbore, comprising: a tubular housing having a plurality of openings formed through a wall thereof;a plurality of blades movable relative to the housing between an extended position and a retracted position, each blade extending through a respective opening in the extended position;a piston disposed in the housing and operable to move the blades to the extended position in response to injection of fluid therethrough;a sleeve disposed between the tubular housing and the piston;a lock operable to lock the sleeve in a position; anda controller in communication with a receiver and the lock, and operable to activate the lock in response to an instruction signal. 12. The tool of claim 11, wherein the sleeve is operable to limit the axial movement of the piston relative to the housing. 13. The tool of claim 11, wherein the piston further comprises a nozzle. 14. The tool of claim 13, further comprising: a position indicator disposed in the tubular housing including: a body having a bore therethrough and axially movable relative to the tubular housing, the body having a nose at a first end and a nozzle at a second end and a body stop disposed therebetween, wherein the nose is configured to seat against the nozzle of the piston;a flange coupled to the body and axially movable relative to the tubular housing, the flange having at least one port and a flange stop, wherein the body is axially movable relative to the flange, and wherein the flange is longitudinally coupled to the sleeve;a biasing member between the body stop and the flange stop; andwherein engagement of the body stop with the flange stop limits the axial movement of the body relative to the tubular housing. 15. The tool of claim 14, wherein the sleeve is operable to limit the axial movement of the flange relative to the tubular housing. 16. The tool of claim 11, wherein the piston further comprises a cam surface and each blade further comprises a cam surface, wherein the cam surface of the piston engages with the cam surface of each blade, thereby moving the blade to the extended position. 17. The tool of claim 16, further comprising a follower biasing the blades in the retracted position, the follower having a profile that engages with a taper of the blade. 18. The tool of claim 11, wherein the lock is at least one of a solenoid valve or a pump. 19. The tool of claim 11, further comprising: the piston having a piston shoulder with a first and second side; andan actuator operable to move the piston having: a first hydraulic chamber formed between the tubular housing and the piston, the first hydraulic chamber extending longitudinally between the first side of the piston shoulder and the housing;a second hydraulic chamber formed between the tubular housing and the piston, the second hydraulic chamber extending longitudinally between the second side of the piston shoulder and the housing;at least one passage providing fluid communication between the first and second hydraulic chambers;an pump disposed in the at least one passage; anda controller operable to activate the pump. 20. A tool for cutting or milling a tubular cemented to a wellbore, comprising: a tubular housing having a plurality of openings formed through a wall thereof;a plurality of blades movable relative to the housing between an extended position and a retracted position, each blade extending through a respective opening in the extended position;a piston disposed in the housing and operable to move the blades to the extended position, the piston having a shoulder with a first and second side;an actuator operable to move the piston in response to an instruction signal, comprising: a receiver operable to receive the instruction signal;a first hydraulic chamber formed between the tubular housing and the piston, the first hydraulic chamber extending longitudinally between the first side of the piston shoulder and the housing;a second hydraulic chamber formed between the tubular housing and the piston, the second hydraulic chamber extending longitudinally between the second side of the piston shoulder and the housing;at least one passage providing fluid communication between the first and second hydraulic chambers;a pump disposed in the at least one passage and operable to move hydraulic fluid from one hydraulic chamber to the other hydraulic chamber; anda controller in communication with the receiver and operable to activate the pump in response to the instruction signal.
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