CA2586317A1 - Torque sub for use with top drive - Google Patents

Torque sub for use with top drive Download PDF

Info

Publication number
CA2586317A1
CA2586317A1 CA002586317A CA2586317A CA2586317A1 CA 2586317 A1 CA2586317 A1 CA 2586317A1 CA 002586317 A CA002586317 A CA 002586317A CA 2586317 A CA2586317 A CA 2586317A CA 2586317 A1 CA2586317 A1 CA 2586317A1
Authority
CA
Canada
Prior art keywords
torque
tubular member
rotation
top drive
threaded
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002586317A
Other languages
French (fr)
Other versions
CA2586317C (en
Inventor
Michael Jahn
Bernd-Georg Pietras
Karsten Heidecke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Weatherford Lamb Inc
Original Assignee
Weatherford Lamb Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Weatherford Lamb Inc filed Critical Weatherford Lamb Inc
Publication of CA2586317A1 publication Critical patent/CA2586317A1/en
Application granted granted Critical
Publication of CA2586317C publication Critical patent/CA2586317C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/16—Connecting or disconnecting pipe couplings or joints
    • E21B19/165—Control or monitoring arrangements therefor
    • E21B19/166—Arrangements of torque limiters or torque indicators
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/16—Connecting or disconnecting pipe couplings or joints
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/16—Connecting or disconnecting pipe couplings or joints
    • E21B19/161—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe
    • E21B19/164—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe motor actuated
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/16—Connecting or disconnecting pipe couplings or joints
    • E21B19/165—Control or monitoring arrangements therefor

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  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

Embodiments of the present invention generally relate to a torque sub for use with a top drive. In one embodiment a method of connecting threaded tubular members for use in a wellbore is disclosed. The method includes operating a top drive, thereby rotating a first threaded tubular member relative to a second threaded tubular member;
measuring a torque exerted on the first tubular member by the top drive, wherein the torque is measured using a torque shaft rotationally coupled to the top drive and the first tubular, the torque shaft having a strain gage disposed thereon;
wirelessly transmitting the measured torque from the torque shaft to a stationary interface;
measuring rotation of the first tubular member; determining acceptability of the threaded connection; and stopping rotation of the first threaded member when the threaded connection is complete or if the threaded connection is unacceptable.

Claims (28)

1. A method of connecting threaded tubular members for use in a wellbore, comprising:
operating a top drive, thereby rotating a first threaded tubular member relative to a second threaded tubular member;
measuring a torque exerted on the first tubular member by the top drive, wherein the torque is measured using a torque shaft rotationally coupled to the top drive and the first tubular, the torque shaft having a strain gage disposed thereon;
wirelessly transmitting the measured torque from the torque shaft to a stationary interface;
measuring rotation of the first tubular member;
determining acceptability of the threaded connection; and stopping rotation of the first threaded member when the threaded connection is complete or if the threaded connection is unacceptable.
2. The method of claim 1, further comprising wirelessly transmitting electrical energy from a stationary interface to the torque shaft.
3. The method of claim 1, wherein:
the two threaded members define a shoulder, the method further comprises detecting a shoulder condition during rotation of the first tubular member; and the threaded connection is complete when reaching a predefined rotation value from the shoulder condition.
4. The method of claim 3 wherein detecting the shoulder condition comprises calculating and monitoring a rate of change of torque with respect to rotation.
5. The method of claim 3 wherein acceptability is determined using a value measured at or after the shoulder condition.
6. The method of claim 5 wherein the measured value is a torque value.
7. The method of claim 5 wherein the measured value is a rotation value.
8. The method of claim 4, wherein acceptability is determined using the rate of change of torque with respect to rotation after detecting the shoulder condition.
9. The method of claim 3 wherein acceptability is determined using a relaxation rotation of the first threaded tubular member.
10. The method of claim 1, further comprising compensating the rotation measurement by subtracting a deflection of at least one of:
the top drive, and the first tubular member.
11. The method of claim 10, wherein compensating the rotation measurement comprises subtracting the deflection of the top drive.
12. The method of claim 11, further comprising calculating the deflection of the top drive using the measured torque.
13. The method of claim 10, wherein compensating the rotation measurement comprises subtracting the deflection of the first tubular member.
14. The method of claim 1, further comprising measuring a longitudinal load exerted on the top drive using the torque shaft, the torque shaft having a second strain gage disposed thereon.
15. The method of claim 11, further comprising wirelessly transmitting a calibration signal and/or control signals from the stationary interface to the torque shaft.
16. A system for connecting threaded tubular members for use in a wellbore, comprising:
a top drive operable to rotate a first threaded tubular member relative to a second threaded tubular member;
a torque sub comprising:
a torque shaft rotationally coupled to the top drive;
a strain gage disposed on the torque shaft for measuring a torque exerted on the torque shaft by the top drive; and an antenna in communication with the strain gage;
a turns counter for measuring rotation of the first tubular; and an antenna in electromagnetic communication with the torque sub antenna and located at a stationary position relative to the top drive;
a computer:
located at a stationary position relative to the top drive;
in communication with the turns counter and the stationary antenna; and configured to perform an operation, comprising:
monitoring the torque and rotation measurements during rotation of the first tubular member relative to the second tubular member;
determining acceptability of the threaded connection; and stopping rotation of the first threaded member when the threaded connection is complete or if the computer determines that the threaded connection is unacceptable.
17. The system of claim 16, wherein the torque sub further comprises:
an interface, wherein the torque shaft is disposed in the interface so that the torque shaft may rotate relative to the interface;
an electrical coupling, comprising:
a primary coil disposed in the interface; and a secondary coil wrapped around the torque shaft and in communication with the strain gage, wherein a current is generated in the secondary coil when a current is passed through the primary coil.
18. The system of claim 17, wherein the torque sub further comprises:
a rectifier disposed on the torque shaft and in electrical communication with the secondary coil; and a modulator in communication with the strain gage.
19. The system of claim 18, wherein the torque sub further comprises an amplifier in communication with the strain gage and the modulator.
20. The system of claim 16, wherein the torque sub further comprises:
a second strain gage disposed on the torque shaft for measuring a longitudinal load exerted on the torque shaft.
21. The system of claim 16, wherein the torque sub further comprises:
first and second connectors, each connector rotationally coupled to a respective end of the torque shaft; and first and second links longitudinally coupling the connectors together so that only torque is exerted on the torque shaft.
22. The system of claim 16, wherein the turns counter comprises:
a gear rotationally coupled to the torque shaft; and a proximity sensor disposed in the interface and configured to sense movement of the gear.
23. The system of claim 16, wherein:
the two threaded members define a shoulder, the operation further comprises detecting a shoulder condition during rotation of the first tubular member; and the threaded connection is complete when reaching a predefined rotation value from the shoulder condition.
24. The system of claim 23, wherein detecting the shoulder condition comprises calculating and monitoring a rate of change of torque with respect to rotation.
25. The system of claim 16, wherein the operation further comprises wirelessly transmitting a calibration signal and/or control signals from the computer to the torque shaft.
26. A system for connecting threaded tubular members for use in a wellbore, comprising:
a top drive operable to rotate a first threaded tubular member relative to a second threaded tubular member;
a torque sub comprising:
a torque shaft rotationally coupled to the top drive; and a strain gage disposed on the torque shaft for measuring a torque exerted on the torque shaft by the top drive;
first and second connectors, each connector rotationally coupled to a respective end of the torque shaft; and first and second links longitudinally coupling the connectors together so that only torque is exerted on the torque shaft; and a turns counter for measuring rotation of the first tubular.
27. A method of connecting threaded tubular members for use in a wellbore, comprising:
operating a top drive, thereby rotating a first threaded tubular member relative to a second threaded tubular member;
measuring a torque exerted on the first tubular member by the top drive, wherein the torque is measured using upper and lower turns counters, each turns counter disposed proximate to a respective longitudinal end of the first tubular; and measuring rotation of the first tubular member, wherein the rotation is measured using the lower turns counter.
28. A system for connecting threaded tubular members for use in a wellbore, comprising:
a top drive operable to rotate a first threaded tubular member relative to a second threaded tubular member;
an upper turns counter for measuring rotation of an upper longitudinal end of the first tubular; and a lower turns counter for measuring rotation of a lower longitudinal end of the first tubular.
CA2586317A 2006-04-27 2007-04-26 Torque sub for use with top drive Expired - Fee Related CA2586317C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US79534406P 2006-04-27 2006-04-27
US60/795,344 2006-04-27

Publications (2)

Publication Number Publication Date
CA2586317A1 true CA2586317A1 (en) 2007-10-27
CA2586317C CA2586317C (en) 2012-04-03

Family

ID=38170738

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2586317A Expired - Fee Related CA2586317C (en) 2006-04-27 2007-04-26 Torque sub for use with top drive

Country Status (3)

Country Link
US (3) US7757759B2 (en)
CA (1) CA2586317C (en)
GB (1) GB2437647B (en)

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US20100243273A1 (en) 2010-09-30
US20120031628A1 (en) 2012-02-09
CA2586317C (en) 2012-04-03
GB0708099D0 (en) 2007-06-06
US7757759B2 (en) 2010-07-20
US8047283B2 (en) 2011-11-01
US20070251701A1 (en) 2007-11-01
US8281856B2 (en) 2012-10-09
GB2437647B (en) 2011-02-09

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