WO2009148321A1 - Mechanised wrench device - Google Patents
Mechanised wrench device Download PDFInfo
- Publication number
- WO2009148321A1 WO2009148321A1 PCT/NO2009/000199 NO2009000199W WO2009148321A1 WO 2009148321 A1 WO2009148321 A1 WO 2009148321A1 NO 2009000199 W NO2009000199 W NO 2009000199W WO 2009148321 A1 WO2009148321 A1 WO 2009148321A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wrench
- turntable
- pipe
- wrench body
- central axis
- Prior art date
Links
- 230000000295 complement effect Effects 0.000 claims description 2
- 238000005553 drilling Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- E21B19/167—Connecting or disconnecting pipe couplings or joints using a wrench adapted to engage a non circular section of pipe, e.g. a section with flats or splines
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- E21B19/163—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe piston-cylinder actuated
Definitions
- a mechanised wrench device More particularly it concerns a mechanised wrench device comprising an about a central axis driven turntable with a central opening there through, and where the turntable is supported in a framed structure .
- joinable lengths of pipe are often used to construct a drill string.
- Pipe lengths of this type are often provided with wrench recesses at their end portions. Suitable wrenches may be placed in the wrench recesses to be able to torque up and undo a pipe connection.
- the object of the invention is to remedy or reduce at least one of prior art drawbacks .
- a mechanised wrench device comprising an about a central axis driven turntable with a central opening there through where the turntable is supported in a framed structure, and where the mechanised wrench device is characterised in that a wrench body running in a wrench guide on the turntable is radially displaceable between an active position wherein the wrench body is near the central axis, and a passive position wherein the wrench body is displaced away from the central axis.
- the wrench body may complementary fit in a wrench slot in a pipe.
- the turntable and thereby the wrench body When the wrench body is in the active position and for example in engagement with the pipe, the turntable and thereby the wrench body is rotated about the central axis in a desired direction to be able to torque up or undo a pipe connection.
- the framed structure may be axially displaceable in parallel with the central axis.
- the pipe may thereby, after having been engaged by the wrench body, be displaced axially relative to a pipe string to which the pipe is to be connected or from which' the pipe is to be disconnected.
- the axial displacement also makes possible adaptation of the axial position of the mechanised wrench relative to the wrench recess in the pipe .
- a motor may drive the turntable via a gear meshing with a gear rim on the turntable.
- a hydraulic motor is suitable, as the torque for torqueing up a pipe connection may be relatively simply controlled.
- an electric motor with the necessary gears may in some cases be preferable.
- a hydraulic cylinder may be connected to the wrench body and be arranged to be able to displace the wrench body in its wrench guide between its active and passive positions.
- the hydraulic cylinder also ensures that the wrench body is held in engagement with the pipe during the screwing/unscrewing operation.
- the pipe When the wrench body is pulled back to its passive position, the pipe may be freely displaced through the opening therethrough .
- Fig. 1 shows a mechanised wrench in perspective
- Fig. 2 shows the mechanised wrench of Fig. 1 in perspective, where a length of pipe is in the process of being connected to a pipe string.
- the reference numeral 1 indicates a mechanised wrench comprising a turntable 2 where the turntable 2 is rotatably supported about a central axis in a framed structure 6.
- the turntable 2 is provided with an external gear rim 8 meshing with two gears 10 where the gears 10 are connected to one motor 12 each.
- a wrench body 14 is radially displaceable in a wrench guide 16 on the turntable 2.
- the wrench body 14 is displaceable by means of the hydraulic cylinders 18 between an inactive retracted position, see Fig. 1, and a central position, see Fig. 2, where the wrench opening 20 of the wrench body 14 is in engagement with a wrench recess 22 on a pipe 24.
- the framed structure 6 arranged on guide bearings 25 which are displaceable on axial guides 26, where the axial guides 26 are connected to a not shown base by means of guide supports 28.
- the framed structure 6 may be displaced by means of a not shown hydraulic cylinder. Moreover are the necessary pipes, hoses, cables and guides not shown.
- the pipe 24 is then displaced by means of the guide bearings 24 and the axial guides 26 toward the pipe string 30, whereafter the motors 12 start and rotate the turntable 2 and the wrench body 14 with the pipe 24 about the central axis 4, whereby the pipe 24 is screwed into the pipe string 30 with a defined torque .
- the wrench body 14 is subsequently withdrawn from the pipe 24, which is thereby free to be displaced through the opening 32.
- Unscrewing of a pipe 24 from the pipe string 30 is done in the opposite order.
Landscapes
- 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)
- Automatic Assembly (AREA)
- Earth Drilling (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09758568.1A EP2350431A4 (en) | 2008-06-05 | 2009-05-29 | Mechanised wrench device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO20082637 | 2008-06-05 | ||
NO20082637A NO332054B1 (no) | 2008-06-05 | 2008-06-05 | Anordning ved mekanisert skruenøkkel |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009148321A1 true WO2009148321A1 (en) | 2009-12-10 |
Family
ID=41398280
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/NO2009/000199 WO2009148321A1 (en) | 2008-06-05 | 2009-05-29 | Mechanised wrench device |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2350431A4 (no) |
NO (1) | NO332054B1 (no) |
WO (1) | WO2009148321A1 (no) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114000839A (zh) * | 2021-10-25 | 2022-02-01 | 西南石油大学 | 一种高效率管柱冲扣装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3771389A (en) * | 1972-05-19 | 1973-11-13 | Ingersoll Rand Co | Motorized tool assembly for drill rods |
GB2356591A (en) * | 1999-11-26 | 2001-05-30 | Weatherford Lamb | Apparatus suitable for use as a wrenching tool |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2556536A (en) * | 1946-12-17 | 1951-06-12 | Hillman Kelley | Power-driven, gear-operated, member-holding wrench |
US5996444A (en) * | 1997-10-30 | 1999-12-07 | Driltech Inc. | Apparatus for unscrewing drill pipe sections |
US6257110B1 (en) * | 2000-02-02 | 2001-07-10 | Donato L. Ricci | Tube saw |
GB0011789D0 (en) * | 2000-05-16 | 2000-07-05 | Vick Steve Int Ltd | Breakout assembly for driling rods |
US6374706B1 (en) * | 2001-01-25 | 2002-04-23 | Frederic M. Newman | Sucker rod tool |
US7138913B2 (en) * | 2004-03-12 | 2006-11-21 | Transport International Pool, Inc. | Selective reporting of events in asset tracking system |
-
2008
- 2008-06-05 NO NO20082637A patent/NO332054B1/no unknown
-
2009
- 2009-05-29 WO PCT/NO2009/000199 patent/WO2009148321A1/en active Application Filing
- 2009-05-29 EP EP09758568.1A patent/EP2350431A4/en not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3771389A (en) * | 1972-05-19 | 1973-11-13 | Ingersoll Rand Co | Motorized tool assembly for drill rods |
GB2356591A (en) * | 1999-11-26 | 2001-05-30 | Weatherford Lamb | Apparatus suitable for use as a wrenching tool |
Non-Patent Citations (1)
Title |
---|
See also references of EP2350431A4 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114000839A (zh) * | 2021-10-25 | 2022-02-01 | 西南石油大学 | 一种高效率管柱冲扣装置 |
CN114000839B (zh) * | 2021-10-25 | 2023-09-15 | 西南石油大学 | 一种高效率管柱冲扣装置 |
Also Published As
Publication number | Publication date |
---|---|
NO20082637L (no) | 2009-12-07 |
NO332054B1 (no) | 2012-06-11 |
EP2350431A1 (en) | 2011-08-03 |
EP2350431A4 (en) | 2018-01-10 |
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