WO1983003443A1 - Outils de guidage de tubage ameliores et ameliorations relatives a des outils de guidage de tubage - Google Patents

Outils de guidage de tubage ameliores et ameliorations relatives a des outils de guidage de tubage Download PDF

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Publication number
WO1983003443A1
WO1983003443A1 PCT/GB1983/000097 GB8300097W WO8303443A1 WO 1983003443 A1 WO1983003443 A1 WO 1983003443A1 GB 8300097 W GB8300097 W GB 8300097W WO 8303443 A1 WO8303443 A1 WO 8303443A1
Authority
WO
WIPO (PCT)
Prior art keywords
joint
tool
clamping means
housing
sheave
Prior art date
Application number
PCT/GB1983/000097
Other languages
English (en)
Inventor
Rolf August Ruesse
Original Assignee
Rolf August Ruesse
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 Rolf August Ruesse filed Critical Rolf August Ruesse
Publication of WO1983003443A1 publication Critical patent/WO1983003443A1/fr

Links

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

Definitions

  • This invention relates to casing stabbing tools for use when a further casing joint (or section) of a string of steel casing joints lining a bore hole is being screwed to the uppermost joint of the string; and to drive mechanisms for positioning a structure at a desired position between two points.
  • a casing stabbing tool comprising lower clamping means which are, in use, clamped around a projecting top of the uppermost downhole joint of a casing string and support an upright member on which is mounted a pair of claws for embracing and centering the next joint to be added to the string to facilitate stabbing and screwing it to the last downhole joint.
  • a casing stabbing tool for facilitating screwing onto the upper threaded end of the uppermost downhole joint of a casing string the lower threaded end of a next joint to be added to the string, the tool comprising an upstanding frame having mounted thereon lower clamping means for rigidly clamping the tool to the downhole joint and upper clamping means for embracing said next joint adjacent the lower end thereof, characterised in that the tool additionally comprises further upper clamping means for embracing said next joint at a higher point along the length thereof, the upper clamping means being operable to ensure alignment of said next joint when suspended above said downhole joint but permitting axial and rotational movement of said next joint so that it may be lowered and rotated to make up the threaded connection between the two joints.
  • the upper casing joint must be suspended by the rig's lifting equipment for the whole period until the threaded connection to the lower casing has been made, requiring that the lower male thread of the upper joint has to be lowered into the female thread of the lower joint by means of the lifting equipment.
  • the equipment is not designed for such very delicate manipulation, and usually the complete weight of the upper joint is taken by the threads before, and during, make-up of the threaded connection.
  • the weight which can be as much as 3,500 lbs, borne by the threads before they are screwed completely together can cause difficulties due for example, to increased friction, and even damage to the threads during lowering of the upper joint and making-up the connection.
  • a casing stabbing tool for facilitating screwing onto the upper threaded end of the uppermost downhole joint of a casing string the lower threaded end of a next joint to be added to the string, the tool comprising an upstanding frame having mounted thereon lower clamping means for rigidly clamping the tool to the downhole joint, and upper clamping means for engaging said next joint, characterised in that the upper clamping means are arranged to permit only relative rotational movement of said next joint, and in that said tool additionally comprises actuating means for moving said upper clamping means axially with respect to said lower clamping means, whereby said next joint may be partly or completely supported during stabbing and make-up.
  • the upper clamping means comprises a number of circumferentially arranged rollers having a surface with a high co-efficient of friction and which engage said next joint and engage it axially, while allowing it to rotate during make-up of the threaded connection.
  • the upper clamping means additionally comprise location means, for example a pair of claws, which are arranged to embrace the joint to ensure its axial alignment while permitting relative axial and rotational movement; or further rotation-permitting clamping means and actuating means as described above.
  • location means for example a pair of claws, which are arranged to embrace the joint to ensure its axial alignment while permitting relative axial and rotational movement; or further rotation-permitting clamping means and actuating means as described above.
  • Heavy tools such as casing stabbing tools according to the present invention, which are freely suspended from the derrick of a floating drilling rig by a wire line tend to swing about due to wind forces and pitching, rolling and yawing movement of the rig, and require considerable manual strength for lateral manipulation from the rig floor.
  • the suspended tool is thus difficult and dangerous to handle.
  • a drive mechanism for positioning a structure at a desired position between first and second points, the mechanism comprising a pulley housing having first and second sheaves and a fixed sheave mounted thereon, situated between said lead sheaves and fixed sheaves a travelling block having first and second sheaves and being arranged for reciprocal movement, drive means for driving the travelling block relatively to the housing, a first line having one end secured to said housing and running over the first sheave on the travelling block and the first lead sheave to the first fixed point, and a second line secured to said housing and running round the second travelling sheave and the fixed turning sheave and over said second lead sheave to said second fixed point, the arrangement being such that operation of the drive means in one direction to cause movement of the travelling block away from said lead sheaves and towards the fixed block shortens said first line and lengthens the second line by an equal amount to move the structure towards said first point, and reverse operation of the drive means causes the structure to move towards the second point, the tension in both lines
  • the mechanism can conveniently be incorporated within the upstanding frame of the casing stabbing tool according to the invention in which case the first line is secured to the casing spider and the second line to an anchorage point on the rig.
  • the drive means is a pneumatic or hydraulic cylinder which can be operated from the rig's supply.
  • Figure 1 is an elevation of a casing stabbing tool according to a first aspect of the invention
  • Figure 2 is a section on the line A-A in Fig. 1 ;
  • Figure 3 is a section on the line B-B of Fig. 1;
  • Figure 4 is a partial elevation of a modification of the tool of Figs. 1 to 3 according to the second aspect of the invention.
  • Figure 5 is a section on the line C-C of Fig. 4;
  • Figure 6 is a front elevation of a drive mechanism according to the third aspect of the invention.
  • Figure 7 is a section along the line A-A of Fig. 6;
  • Figure 8 is a section on the line B-B of Fig. 7;
  • Figure 9 is an end elevation taken on the left-hand end of Fig. 7.
  • a casing stabbing tool 10 comprises a mast 12 having projecting laterally therefrom a first lower clamping assembly 14, a second lower clamping assembly 16, a first upper clamping assembly 18 and a second upper clamping assembly 20 having a lifting becket 21 secured thereto.
  • Each lower clamping assembly 14, 16 comprises a platform 22, the lower platform being braced by a strut 24 and the upper by a strut 26.
  • Each platform 22 has a mouth 28 for receiving a downhole casing joint 30 and which is provided with two arcuate abutment plates 32.
  • Mounted on each platform 22 is a pneumatic ram 34 linked to two claws 36, 37 having arcuate linings 38 and capable of operating each independently to clamp the joint 30 securely against the plates 32.
  • Each upper clamping assembly 18, 20 is braced by a strut 39 and has a mouth 40 provided at the rear thereof with a narrow, semi-cylindrical collar 42.
  • Pivotally mounted claws 44, 46 are independently operable by a pneumatic ram 48, these units being slightly smaller than the corresponding units on the lower platforms, to embrace an upper casing joint 50 to be added to the string.
  • the tool 10 is suspended from a derrick by a wire tugger line attached to the becket 21.
  • the rams 34 are actuated to close the two pairs of claws 36, 37 firmly around the joint 30 which is itself firmly embraced by a spider so as to clamp the whole tool 10 thereto.
  • the upper joint 50 is then swung into position by the rig's lifting mechanism until its threaded frusto-conical lower end 52 is a short distance above the internally threaded collar 54 on the joint 30.
  • the rams 48 are operated to close both sets of claws 44, 46 around the joint 50, bringing it into exact axial alignment with the joint 30 but still permitting axial and rotational movement thereof, so that it may thereafter be lowered or stabbed until the frusto-conical end 52 engages the mouth of the collar 54 and be subsequently rotated in the conventional manner until the threaded connection between the joints 30, 50 is fully made up.
  • the modified tool 60 shown in Figs. 4 and 5 generally resembles the tool 10 except that the fixed upper clamping assembly 18 is replaced by a moveable assembly 62 and the tapered mast 12 by a mast 64 of constant cross-section.
  • the platform 22 of the assembly 62 is mounted on a sleeve 66 slidably received on the mast 64 and is moveable in a vertical direction by a pneumatic cylinder 86, supplied by an air-over-oil reservoir (not shown) and controlled by a pressure regulator (not shown).
  • the platform mouth 40 has two arcuate plates 70 upstanding from the rear thereof and bears pivotally-mounted claws 72, 74, each provided with arcuate plates 76 and operable by a ram 78; each of the four plates 70, 76 has two vertically disposed rubber rollers 80 mounted thereon.
  • the ram 78 may be replaced by a ram mounted along the length of the platform 22 (i.e. at right angles to the ram 78) and having a piston rod running in a guide frame to take lateral forces, the rod being pivotally connected to the ends of two push rods which are in turn pivotally connected at their other ends to the respective ends of the claws 72, 74.
  • An adjustable stop in the form of a tapered pin is provided for the piston rod.
  • the tool 60 is operated in generally the same way as the tool 10 except that when all the clamping assemblies 14, 16, 62, 20 are engaged with the respective casing joints 30, 50 the new joint 50 is held suspended co-axially above the lower joint 30 by the frictional action of the rollers 80.
  • the joint 50 is then lowered gently by operating the pressure regulator to reduce the pressure to slightly less than that required to support its weight and in this way only a very small proportion of the total load is borne by the threads during stabbing and subsequent rotation (which is allowed by the rollers 80) to make up the threaded connection.
  • the claws and moveable platform may be operated hydraulically instead of pneumatically.
  • the mast 12, 64 may be cut above the clamping assembly 18 or 62 and each end fitted with flanges that may be bolted together for convenience of transportation; a lifting bracket not shown may be provided on the top of the mast 12, 64; the plates 32, linings 38 and collars 42 may be made interchangeable by means of aligned apertures and a locking pin with other, different-sized members to match the size of casing used; and the mouths 28, 40 may be made to accept guides to receive smaller sizes of casing.
  • a drive mechanism 110 as shown in Figs. 6 to 9 is housed largely within the lower part of a mast 112 of a casing stabbing tool and comprises a lower pulley housing 114 which is bolted to the flanged base of the mast 112 and houses a forward lead sheave 116 and a coaxial aft lead sheave 118.
  • a pneumatic cylinder 120 Located at the bottom of the mast 112 and mounted on the housing 114 is a pneumatic cylinder 120 in which is received for reciprocation a piston (not shown) and piston rod 122 which can be moved upwardly by compressed air admitted through line 124 and downwardly by compressed air admitted through line 126.
  • an upper pulley housing 128 On the upper end of the cylinder 120 is mounted an upper pulley housing 128 which includes two upright channel-section members 130 between the upper ends of which is mounted an offset fixed sheave 132. Opposed guide rails 134 are mounted between the lower portions of the members 130 and receive the respective ends of spindles 138, 140 carried in a travelling pulley block 142 and solid with respective upper and lower travelling sheaves 144, 146 each fitted with a retainer 148.
  • a forward wire cable 150 extends from an anchorage point 152 on the cylinder 120, round the lower travelling sheave 146 down to the forward lead sheave 116 and out through an aperture in the housing 114 to the casing spider (not shown).
  • An aft wire cable 154 extends downwardly from an anchorage point 156 at the top of the upper housing 130 around the upper travelling sheave 144, upwardly and around the fixed sheave 132, down to the aft lead sheave 118 and out through an aperture in the rear of the housing 114 to an anchorage point (not shown) on the rig.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Automatic Assembly (AREA)

Abstract

Un outil de guidage de tubage (10), conçu pour faciliter le vissage du prochain joint (50) sur le joint supérieur (30) d'une colonne de tubage dans un puits de forage, comprend une structure verticale (12) sur laquelle sont montés de moyens inférieurs de fixation (14, 16) pour fixer l'outil au joint (30) et des moyens supérieurs de serrage (18) pour accrocher le joint (50). Des moyens de serrage supplémentaires (20) assurent l'alignement du joint suspendu (50) pendant qu'il est vissé. La hauteur des moyens inférieurs de fixation peut être réglable par l'intermédiaire d'un mécanisme de commande, et les mâchoires de serrage sont munies de rouleaux verticaux qui soutiennent le joint tout en lui permettant de pivoter. Un mécanisme de poulie à fil métallique peut être logé à l'intérieur de la structure (12) pour mettre l'outil (10) en position.
PCT/GB1983/000097 1982-03-31 1983-03-31 Outils de guidage de tubage ameliores et ameliorations relatives a des outils de guidage de tubage WO1983003443A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8209525 1982-03-31
GB8209525820331 1982-03-31

Publications (1)

Publication Number Publication Date
WO1983003443A1 true WO1983003443A1 (fr) 1983-10-13

Family

ID=10529435

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1983/000097 WO1983003443A1 (fr) 1982-03-31 1983-03-31 Outils de guidage de tubage ameliores et ameliorations relatives a des outils de guidage de tubage

Country Status (3)

Country Link
EP (1) EP0105299B1 (fr)
NO (1) NO834351L (fr)
WO (1) WO1983003443A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4770336A (en) * 1986-03-17 1988-09-13 Howard Smith Screen Company Well screen centralizer and method for constructing centralizer and for joining of well screens
GB2346576A (en) * 1999-01-28 2000-08-16 Weatherford Lamb Arotary for the connection of pipes
WO2000061906A1 (fr) * 1999-04-13 2000-10-19 Weatherford/Lamb, Inc. Dispositif et procede d'alignement d'elements tubulaires
US6360633B2 (en) 1997-01-29 2002-03-26 Weatherford/Lamb, Inc. Apparatus and method for aligning tubulars
US6748823B2 (en) 1997-01-29 2004-06-15 Weatherford/Lamb, Inc. Apparatus and method for aligning tubulars
EP2785954A4 (fr) * 2011-11-29 2016-06-29 Robotic Drilling Systems As Procédé et dispositif pour assembler et démonter des tuyaux filetés

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2450934A (en) * 1946-05-25 1948-10-12 Ingram X Calhoun Well pipe handling apparatus
US3659655A (en) * 1970-06-02 1972-05-02 Ingersoll Rand Co Feed controlling method and system
US4092881A (en) * 1976-10-29 1978-06-06 Christensen, Inc. Apparatus for making-up and breaking threaded pipe connections
US4295527A (en) * 1978-04-12 1981-10-20 Ruesse Rolf A Process and device for the centering of casings as used for underground drilling

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2450934A (en) * 1946-05-25 1948-10-12 Ingram X Calhoun Well pipe handling apparatus
US3659655A (en) * 1970-06-02 1972-05-02 Ingersoll Rand Co Feed controlling method and system
US4092881A (en) * 1976-10-29 1978-06-06 Christensen, Inc. Apparatus for making-up and breaking threaded pipe connections
US4295527A (en) * 1978-04-12 1981-10-20 Ruesse Rolf A Process and device for the centering of casings as used for underground drilling

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4770336A (en) * 1986-03-17 1988-09-13 Howard Smith Screen Company Well screen centralizer and method for constructing centralizer and for joining of well screens
US6360633B2 (en) 1997-01-29 2002-03-26 Weatherford/Lamb, Inc. Apparatus and method for aligning tubulars
US6748823B2 (en) 1997-01-29 2004-06-15 Weatherford/Lamb, Inc. Apparatus and method for aligning tubulars
GB2346576A (en) * 1999-01-28 2000-08-16 Weatherford Lamb Arotary for the connection of pipes
GB2346576B (en) * 1999-01-28 2003-08-13 Weatherford Lamb A rotary and a method for facilitating the connection of pipes
US6684737B1 (en) 1999-01-28 2004-02-03 Weatherford/Lamb, Inc. Power tong
WO2000061906A1 (fr) * 1999-04-13 2000-10-19 Weatherford/Lamb, Inc. Dispositif et procede d'alignement d'elements tubulaires
EP2785954A4 (fr) * 2011-11-29 2016-06-29 Robotic Drilling Systems As Procédé et dispositif pour assembler et démonter des tuyaux filetés

Also Published As

Publication number Publication date
EP0105299B1 (fr) 1986-10-15
NO834351L (no) 1983-11-25
EP0105299A1 (fr) 1984-04-18

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