EP3483383B1 - Dispositif de glissement tubulaire comportant des matériaux non métalliques et procédé d'utilisation - Google Patents

Dispositif de glissement tubulaire comportant des matériaux non métalliques et procédé d'utilisation Download PDF

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Publication number
EP3483383B1
EP3483383B1 EP18205280.3A EP18205280A EP3483383B1 EP 3483383 B1 EP3483383 B1 EP 3483383B1 EP 18205280 A EP18205280 A EP 18205280A EP 3483383 B1 EP3483383 B1 EP 3483383B1
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EP
European Patent Office
Prior art keywords
slip
tubular
tubular member
inserts
slip device
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EP18205280.3A
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German (de)
English (en)
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EP3483383A1 (fr
Inventor
Andre Vierke
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Forum US Inc
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Forum US Inc
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    • 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
    • E21B19/10—Slips; Spiders ; Catching devices

Definitions

  • Embodiments described herein generally relate to tubular handling devices used for supporting tubular members in the field of oil and gas production. More particularly, embodiments relate to a tubular slip device and method of use.
  • tubular slip devices In the drilling for oil and gas, the tubular members utilized during drilling, completion and work over operations are required to be hung off at the drill floor. Multiple tubular members are connected together to form a tubular string.
  • the tubular slip device generally used to secure the tubular string that is hung from the drill floor is referred to as a rotary slip or casing slip.
  • the tubular slip devices include an apparatus capable of encircling the tubular member such as a drilling pipe or a casing segment.
  • the tubular slip device typically has three slip segments with inserts attached to the slip segments for gripping onto the tubular member.
  • the tubular slip device is placed into a slip bowl on a rotary table on the drill rig floor.
  • US 1,923,283 describes a slip for supporting pipe having a plurality of jaws arranged in a spaced apart relation and connected by a flexible means.
  • GB 2448257 which is considered the closest prior art, is concerned with an apparatus for handling a string disposed within a rotary table on a rig and attached to a bottom hole assembly within a well.
  • WO 03/058103 discloses a rotary slip for supporting a drill string.
  • the tubular slip device used is typically a manual device.
  • the tubular slip device is manually moved during each operation in which the tubular slip device is used to remove or add an additional tubular member to the tubular string.
  • the slip wedges are manually carried by rig personnel and are manually inserted and removed from the slip bowl for each operation. Multiple rig personnel are typically used to carry and position the tubular slip device during each operation.
  • the tubular slip device may need to support the weight of a tubular string that has a weight of up to 750 short tons, and may be made out of cast or forged steel.
  • the tubular slip device may weigh in excess of 50 kg.
  • Rig personnel may be used to carry and position the tubular slip device in order to limit the risk of injury to rig personnel when handling heavy equipment. Rig personnel may wear back support belts to help support their backs when carrying or handling tubular slip devices.
  • Embodiments of the disclosure describe an apparatus and method for a slip device that supports a tubular member used for production of oil and gas.
  • a tubular slip device for supporting a tubular member comprises a plurality of slip segments connected to form a slip opening adapted for the tubular member, each slip segment comprising a slip body made of a non-metallic material or a composite material, the slip body comprises a top end and a bottom end an outer face having an arcuate shape; and an inner face having an arcuate shape at least partially surrounding the slip opening; and a plurality of inserts attached to and constructed to fit into the inner face of the slip body in an attached position, and each insert comprises a front side adapted to grip the tubular member.
  • a tubular slip device for supporting a tubular member comprises a plurality of slip segments connected to form a slip opening adapted for the tubular member, each slip segment comprising a slip body made of a non-metallic material, the slip body comprises a top end and a bottom end; an outer face having an arcuate shape; and an inner face having an arcuate shape at least partially surrounding the slip opening; and a plurality of inserts attached to the inner face of the slip body in an attached position, and each insert comprises a front side adapted to grip the tubular member.
  • a tubular slip device for supporting a tubular member comprises a plurality of slip segments connected to form a slip opening adapted for the tubular member, each slip segment comprising a slip body made of a composite material, the slip body comprises a top end and a bottom end; an outer face having an arcuate shape; and an inner face having an arcuate shape at least partially surrounding the slip opening; and a plurality of inserts attached to the inner face of the slip body in an attached position, and each insert comprises a front side adapted to grip the tubular member.
  • the tubular slip device may further comprise a load ring having an arcuate shape.
  • the inner face of the slip body may include a radial channel adapted for the load ring to fit within the radial channel.
  • An insert bottom surface of at least one of the plurality of inserts may abut against the load ring.
  • the outer face may comprise a tapered section disposed between the top end and the bottom end. The tapered section may taper inwardly towards the bottom end.
  • a method of engaging a tubular member within a rotary table on a drill rig floor comprises providing a tubular slip device, the tubular slip device comprising a plurality of slip segments connected to form a slip opening adapted for the tubular member, each slip segment comprising a slip body made of a non-metallic material or a composite material, the slip body comprises a top end and a bottom end; an outer face having an arcuate shape; and an inner face having an arcuate shape at least partially surrounding the slip opening; and a plurality of inserts attached to and constructed to fit into the inner face of the slip body in an attached position, and each insert comprises a front side adapted to grip the tubular member; inserting a tubular member within the rotary table on the drill rig floor; inserting the tubular slip device into the rotary table; engaging the tubular slip device about the tubular member so that the plurality of inserts engage the tubular member, and wherein the tubular member is suspended from the rotary table so as to create a load;
  • the tubular slip device may further comprise a load ring, wherein an insert bottom surface of at least one of the plurality of inserts abuts against the load ring, and the method may comprise transferring at least a part of the load of the tubular member to the tubular slip device via the load ring.
  • a method of engaging a tubular member within a rotary table on a drill rig floor comprises providing a tubular slip device, the tubular slip device comprising a plurality of slip segments connected to form a slip opening adapted for the tubular member, each slip segment comprising a slip body made of a composite material, the slip body comprises a top end and a bottom end; an outer face having an arcuate shape; and an inner face having an arcuate shape at least partially surrounding the slip opening; and a plurality of inserts attached to the inner face of the slip body in an attached position, and each insert comprises a front side adapted to grip the tubular member; inserting a tubular member within the rotary table on the drill rig floor; inserting the tubular slip device into the rotary table; engaging the tubular slip device about the tubular member so that the plurality of inserts engage the tubular member, and wherein the tubular member is suspended from the rotary table so as to create a load; transferring the load of the tubular member to the plurality of
  • the tubular member may be part of a tubular string formed by a plurality of tubular members connected end-to-end.
  • the tubular string may weigh in some embodiments up to 750 short tons.
  • a tubular slip device is used to grip and support the tubular member and/or the tubular string.
  • the tubular slip device is configured to fit into a slip bowl that fits within a rotary bushing and rotary table on the rig floor.
  • the tubular slip device is made of a non-metallic material that provides support for the tubular member and/or the tubular string suspended from the tubular sip device.
  • the tubular slip device is adapted to be lightweight while having sufficient structural strength to support the tubular member and/or the tubular string.
  • FIG. 1 is a partial cross-sectional view of a tubular slip device 100 engaging a tubular member 10 within a slip bowl 12.
  • the tubular slip device 100 is sometimes referred to as a rotary slip or casing slip.
  • the tubular slip device 100 is configured to fit into the slip bowl 12 which in turn is set into a rotary bushing and rotary table 14 on the rig floor.
  • This view shows the tubular slip device 100 in a closed position where the tubular slip device 100 engages the tubular member 10.
  • the tubular slip device 100 is positioned to at least partially surround the tubular member 10 and a longitudinal axis 11 extending through the tubular member 10.
  • the tubular member 10 may form a section of a tubular string 17 that has a plurality of tubular members 10 connected end-to-end with one another.
  • FIG. 1 shows the tubular member 10 and a lower tubular member 15 forming at least part of the tubular string 17.
  • the load of the tubular member 10 and tubular string 17 causes the tubular slip device 100 to be lowered into the slip bowl 12.
  • the slip bowl 12 includes a bowl inner wall 16 that is cylindrical in shape and that is tapered inwardly to a bottom section of the slip bowl 12.
  • the tubular slip device 100 includes a plurality of slip segments 102. Two slip segments 102 are shown in FIG. 1 . Each slip segment 102 has a slip body 104.
  • the slip body 104 has an outer face 106 having an arcuate shape and an inner face 110.
  • the inner face 110 has an arcuate shape at least partially surrounding a slip opening 120 (shown in FIG. 2 ).
  • the outer face 106 of the slip body 104 is tapered at an outer face angle that corresponds with the bowl inner wall angle.
  • the slip body 104 has a wedge shape that is adapted to engage with the slip bowl 12.
  • each slip body 104 has a plurality of inserts 112 coupled thereto.
  • the inserts 112 engage a tubular outer surface of the tubular member 10 when the tubular slip device 100 is lowered in the slip bowl 12. Due to the wedge shape of the slip body 104, the tubular slip device 100 engages the tubular member 10 when the load from tubular member 10 and/or the tubular string 17 apply a downward force to the tubular slip device 100.
  • the tubular slip device 100 works in combination with the slip bowl 12 to suspend the tubular member 10 and the tubular string 17 from the rotary table 14, as depicted in FIG. 1 .
  • the tubular slip device 100 can be formed out of a non-metallic material, a composite material, or a combination of non-metallic and composite materials.
  • the tubular slip device 100 is configured to be lightweight. Because the tubular slip device 100 is lightweight, the tubular slip device 100 can be manually handled more easily by rig personnel. By using non-metallic materials, composite materials, or a combination of non-metallic materials and composite materials in selected components of the tubular slip device 100, the overall weight of the tubular slip device 100 may be reduced by eighty to ninety percent of a conventional tubular slip device made of metallic components.
  • a conventional tubular slip device having metallic components including a slip body made of a metal material, and with conventional inserts attached to the conventional slip body may weigh 50 kg or more.
  • the tubular slip device 100 may have an overall weight in the weight range of 5 kg to 10 kg.
  • the tubular slip device 100 has the benefit of being at a weight range that allows the tubular slip device 100 to be manually carried and/or positioned by one or two rig personnel with reduced risk of injury.
  • non-metallic refers to materials other than metals, such metals including steel, aluminum, brass, iron, and/or metallic materials typically used for tubular slip devices 100 used to suspend tubulars from the rig floor.
  • selected components of the tubular slip device 100 are made of non-metallic materials. In some embodiments, selected components of the tubular slip device 100 are made of composite materials with the composite materials having one or more layers made of a non-metallic material. In some embodiments, selected components of the tubular slip device 100 are made from a combination of non-metallic materials and composite materials having one or more layers of a non-metallic material.
  • FIG. 2 is a perspective view of the tubular slip device 100 in an open position.
  • the plurality of slip segments 102 includes a first slip segment 102-1, second slip segment 102-2, and third slip segment 102-3 that are assembled so that the second slip segment 102-2 is coupled to both the first slip segment 102-1 and the third slip segment 102-3.
  • the slip segments 102 define a slip opening 120 sized for the tubular slip device 100 to at least partially extend around a circumference of the tubular member 10 (shown in FIG. 1 ).
  • the tubular slip device 100 may include more than three slip segments 102.
  • Each of the slip segments 102 has a similar though not necessarily completely equal design.
  • the slip body 104 of each slip segment 102 is similar.
  • the first slip segment 102-1 has a first slip body 104-1, which is similar to the slip bodies of the second and third slip segments 102-2 and 102-3.
  • the first slip body 104-1 has a top end 122 and a bottom end 124.
  • the first slip body 104-1 has an inner wall 114 and an outer wall 116.
  • the inner wall 114 extends from the top end 122 to the bottom end 124 of the first slip body 104-1.
  • the outer wall 116 extends from the bottom end 124 towards the top end 122. In some embodiments, the outer wall 116 may extend to the top end 122 of the first slip body 104-1.
  • Each slip segment 102 has on its inner face 110 a plurality of inserts 112.
  • the first slip body 104-1 has a profile with a wedge-shaped contour and with the outer face 106 being tapered to the bottom end 124.
  • the first slip body 104-1 is made of a plastic material.
  • the plastic material may be engineering grade plastic to reduce the weight while maintaining sufficient structural strength for the tubular slip device 100 to withstand forces applied when suspending the tubular member 10.
  • the first slip body 104-1 is made of a composite material that has a plurality of materials to provide the first slip body 104-1 that is lightweight and that has the structural strength to withstand forces applied when the tubular slip device 100 is used to suspend the tubular member 10 and tubular string from the rig floor.
  • the composite material is a ceramic matrix composite material.
  • the first slip body 104-1 is made of a fiber-reinforced material.
  • the fiber-reinforced material may be a fiber-reinforced plastic.
  • the fiber-reinforced plastic may use glass fibers with the plastic to form a glass-fiber-reinforced plastic.
  • the fiber-reinforced plastic may use carbon fibers with the plastic to form a carbon-fiber-reinforced plastic.
  • the first slip body 104-1 may be made of a fiber-reinforced metallic material that is lightweight.
  • the fiber-reinforced metallic material may be a glass-fiber-reinforced aluminum.
  • the first slip body 104-1 may have a laminate structure 302 including a plurality of metallic layers 304 and a plurality of fiber layers 306.
  • FIG. 3 shows one end of the laminate structure 302 in an exploded view where sections of the metallic layers 304 and the fiber layers 306 are separated from one another.
  • Each metallic layer 304 has a metallic layer top surface 310 and a metallic layer bottom surface 312.
  • Each fiber layer 306 has fiber layer top surface 314 and fiber layer bottom surface 316.
  • the laminate structure 302 is formed by stacking the metallic layers 304 and the fiber layers 306 on top of one another so that one of the fiber layers 306 is disposed between two of the metallic layers 304.
  • the laminate structure 302 includes a first fiber layer 306-1 disposed between a first metallic layer 304-1 and a second metallic layer 304-2 so that the first metallic layer 304-1 overlies the first fiber layer 306-1, and the first fiber layer 306-1 overlies the second metallic layer 304-2.
  • the laminate structure 302 further includes an adhesive material for securing each metallic layer 304 and each fiber layer 306. The adhesive material may form part of each of the fiber layers 306.
  • the metallic layers 304 are entirely made of a metal material. In other embodiments, the metallic layers 304 are primarily made of metal. In some embodiments, the metallic layers 304 are made of aluminum. In some embodiments, the fiber layer 306 is made of glass fiber, carbon fiber, or a combination of glass fiber and carbon fiber. The metallic layers 304 and the fiber layers 306 may be formed of thin material sheets that are stacked to form the laminate structure 302 during manufacturing.
  • the laminate structure 302 may extend from the bottom end 124 to the top end 122 of the first slip body 104-1.
  • the metallic layers 304 and fiber layers 306 may be stacked from the bottom end 124 to the top end 122.
  • the laminate structure 302 of the first slip body 104-1 may have different orientations with respect to the longitudinal axis 11 (shown in FIG. 1 ) of the tubular slip device 100.
  • the first slip body 104-1 may be manufactured through a molding process to form the first slip body 104-1 having the laminate structure 302.
  • each slip segment 102 contains a handle member 126, with each handle member 126 being connected to the slip body 104 of one of the slip segments 102.
  • the handle member 126 may be made of a metal or non-metallic material.
  • the handle member 126 may be coupled to the slip body 104 with a pin and handle attachment member 128.
  • the handle attachment member 128 may be a cotter, as shown in FIG. 2 , or in other embodiments may be a fastener such as a bolt or screw.
  • the slip segments 102 are coupled together with an attachment assembly 130.
  • the attachment assembly 130 includes a plurality of projections 132 that extend from the slip body 104 of each slip segment 102, as shown in FIG. 2 .
  • Each projection 132 includes a projection opening sized for placement of a hinge spring assembly 134.
  • the slip body 104 of the first slip segment 102-1 includes a first pair of projections 132 that have projection openings therein and the second slip segment 102-2 includes a second pair of projections 132 that have projection openings therein.
  • a hinge spring assembly 134 (which is also seen in FIG. 10 ) is adapted to extend through the projection openings for connection of the first slip segment 102-1 with the second slip segment 102-2.
  • the slip body 104 of the second slip segment 102-2 includes a third pair of projections 132 that have projection openings therein and the third slip segment 102-3 includes a fourth pair of projections 132 that have projection openings therein.
  • the hinge spring assembly 134 is adapted to extend through the projection openings for connection of the second slip segment 102-2 with the third slip segment 102-3.
  • the inner wall 114 and the outer wall 116 are connected by a series of ribs 140.
  • the series of ribs 140 extend from the inner wall 114 to the outer wall 116.
  • a pair of adjacent ribs 140 define a vertical space 142 disposed between the pair of adjacent ribs 140 and within the slip body 104.
  • FIG. 4 a cross-sectional view of the tubular slip device 100 without inserts 112 (shown in FIGs. 1 and 2 ) taken from line 4-4 of FIG. 2 .
  • FIG. 4 shows the tubular slip device 100 in a closed position where the first slip segment 102-1 and the third slip segment 102-3 have been rotated inwardly at the hinge spring assemblies 134.
  • the inner face 110 of each slip segment 102 has a longitudinally disposed slot 144. Each slot 144 cooperates with the inserts 112 (shown in FIGs. 1 and 2 ) as further described below.
  • FIG. 4 also shows one of the ribs 140 connecting the inner wall 114 and the outer wall 116 of each slip segment 102, as previously noted.
  • Each rib 140 includes a first rib section 140-1 and a second rib section 140-2.
  • the first rib section 140-1 and the second rib section 140-2 are attached to an elongated support 146.
  • One of the elongated supports 146 extends through the slip body 104 and separates the first rib section 140-1 and the second rib section 140-2 for each of the slip segments 102.
  • the first slip segment 102-1 is attached to the second slip segment 102-2 via one of the hinge spring assemblies 134 through the projections 132 of the first slip segment 102-1 and the projections 132 of the second slip segment 102-2.
  • the third slip segment 102-3 is likewise attached to the second slip segment 102-2.
  • FIG. 5 shows the elongated support 146 extending from the bottom end 124 to the handle attachment member 128 that is secured proximate the top end 122.
  • the FIG. 5 shows the outer face 106 with an arcuate shape and tapering to the bottom end 124.
  • the outer face 106 has a tapered section disposed between the top end 122 and the bottom end 124, and the tapered section tapers inwardly towards the bottom end 124.
  • FIG. 5 also depicts the inner face 110 having an arcuate shape and the slot 144 extending longitudinally along the inner face 110.
  • the inner face 110 extends to a bottom shelf 148 at one end and the inner face 110 extends to the top shelf 150 at the other end.
  • the inner face 110 will have a plurality of ledges 152 disposed therein.
  • Each ledge 152 has an angled surface, which in one embodiment is between plus 20 degrees and minus 20 degrees, and in another embodiment is 10 degrees as denoted by the numeral 154 in FIG. 5 . It should be noted that in another embodiment, the angle will be 0 degrees i.e. radially flat. The angle of the ledge 152 will cooperate with and be complementary to the angle of an insert lower shoulder 174 of one of the inserts 112 as shown in FIG. 6 that will rest thereon. It should be noted that each ledge 152 has a backside surface 156 disposed within slot 144. Further, it should be noted that while first slip segment 102-1 and its features are explained with reference to FIGs. 2 and 4 , all slip segments 102 (namely first slip segment 102-1, second slip segment 102-2, and third slip segment 102-3) will be of similar construction.
  • the inserts 112 are made of a metallic material. In some embodiments, the inserts 112 may be made of non-metallic materials. Since the insert 112 is constructed to fit into the inner face 110 (shown in FIG. 5 ), the insert 112 is also of arcuate construction. The insert 112 has an arcuate front side 160 that is adapted to grip the tubular member 10 (shown in FIG. 1 ). In some embodiments, the insert 112 has a gripping means such as a plurality of tooth-like projections 161 arranged in rows for engaging with the tubular member 10 (shown in FIG. 1 ).
  • the insert 112 has a top side 162 and a back side 164 having an arcuate shape, with the back side 164 containing a first surface 166 that extends to an insert upbelieve sper shoulder 170 which in turn extends to the second surface 172.
  • the second surface 172 concludes at the insert lower shoulder 174, with the insert lower shoulder 174 being angled between plus 20 degrees and minus 20 degrees.
  • the insert lower shoulder 174 is disposed at a 10 degree angle as denoted by the numeral 176 as seen in FIG. 5 ; as noted earlier, in some embodiments the insert lower shoulder 174 is 0 degrees, i.e. radially flat.
  • the insert lower shoulder 174 extends to the third surface 180, with the third surface 180 concluding at the insert bottom end 182.
  • FIG. 7 a back view of the insert 112 seen in FIG. 6 will now be described.
  • the first surface 166 is shown extending to the second surface 172 along with the insert lower shoulder 174 that in turn extends to the third surface 180.
  • FIGs. 6 and 7 also depict sides 184 and 186.
  • FIG. 8 depicts the bottom view of the insert 112 taken from line A-A of FIG. 6 .
  • This view shows the arcuate nature of the insert 112.
  • the second surface 172 is shown arched.
  • FIG. 8 also illustrates the arcuate front side 160 with tooth-like projections 161.
  • the insert bottom end 182 of insert 112 is also shown.
  • the side 184 extends to the first angled extension 190 and the side 186 extends to the second angled extension 192.
  • each insert 112 comprises a shoulder 174 engaged with one of the plurality of ledges 152 when in an attached position, as shown in FIG. 9 , so as to secure the insert 112 to the slip body 104.
  • the insert lower shoulder 174 which has a 10 degree angle, cooperates with the 10 degree angle of the ledge 152.
  • the second surface 172 is up against the backside surface 156.
  • the bottom section "T” is seen in FIG. 9 .
  • a gap “G” prevents the load from transferring to shelf 194 so that toeing is prevented.
  • the insert bottom end 182 would abut shelf 194 even though this is not shown in FIG. 9 .
  • prior art toeing would still be prevented since the load is being distributed along the entire length of the slip according to the teachings of this invention, i.e. the load is being distributed at ledges 152.
  • the slip segment 1002 has a slip body 1004 having an inner face 1010 adapted for inserts 1012-1 through 1012-5, as discussed below. Attached to the slip segment 1002 is a hinge assembly 1034 and a handle member 1026.
  • the slip body 1004 has an outer face 1006 having an arcuate shape and an inner face 1010 having an arcuate shape.
  • the outer face 1006 of the slip body 1004 is tapered at an angle that corresponds with the angle of the bowl inner wall 16 shown in FIG. 1 .
  • the slip segment 1002 has on its inner face 1010 a plurality of inserts 1012-1 through 1012-5.
  • the slip body 1004 has a top end 1022 and a bottom end 1024.
  • a plurality of radial channels 1017-1 through 1017-3 are formed in the inner face 1010.
  • Atop radial channel 1017-1, an intermediate radial channel 1017-2, and a bottom radial channel 1017-3 are formed in the inner face 1010.
  • a retainer ring 1018 is adapted to fit within the top radial channel 1017-1.
  • a first load ring 1019-1 is adapted to fit within the intermediate radial channel 1017-2, and a second load ring 1019-2 is adapted to fit within the bottom radial channel 1017-3.
  • Bolts 1021 are used to secure the retainer ring 1018 and the load rings 1019 within their respective radial channels 1017.
  • the retainer ring 1018 and the second load ring 1019-2 are shown unassembled from the slip body 1004 to show the top radial channel 1017-1 and the bottom radial channel 1017-3, respectively.
  • the bolts 1021 are used to attach the retainer ring 1018 and the load rings 1019 to the slip body 1004.
  • the first load ring 1019-1 is shown attached to the slip body 1004 by the bolts 1021.
  • the retainer ring 1018 and the second load ring 1019-2 are likewise attached to the slip body 1004 when in the assembled position.
  • a plurality of longitudinal channels 1035 are formed in the inner face 1010.
  • the longitudinal channels 1035 extend between the retainer ring 1018 to the second load ring 1019-2 so that the longitudinal channels 1035 extend from a top portion to a bottom portion of the slip body 1004.
  • Three longitudinal channels 1035 are provided on the inner face 1010 for the embodiment shown in FIG. 10 .
  • Other embodiments may include one to five longitudinal channels 1035 or a higher number of longitudinal channels 1035.
  • a first insert 1012-1 is shown in an unassembled position in FIG. 10 to better show a first longitudinal channel 1035-1.
  • the first insert 1012-1 is adapted to fit in the first longitudinal channel 1035-1.
  • Five inserts 1012 are shown in FIG. 10 for the first longitudinal channel 1035-1, and are adapted to fit end-to-end in the first longitudinal channel 1035-1.
  • the five inserts 1012 include the first insert 1012-1, a second insert 1012-2, a third insert 1012-3, a fourth insert 1012-4, and fifth insert 1012-5.
  • the first insert 1012-1 and the second insert 1012-2 are disposed in the first longitudinal channel 1035-1 so that they are stacked end-to-end, and secured between the retainer ring 1018 and the first load ring 1019-1.
  • the third insert 1012-3, the fourth insert 1012-4, and the fifth insert 1012-5 are disposed in the first longitudinal channel 1035-1 so that they are stacked end-to-end, and secured between the first load ring 1019-1 and the second load ring 1019-2.
  • the first load ring 1019-1 provides axial load support for the inserts 1012 disposed above the first load ring 1019-1.
  • the second load ring 1019-2 provides axial load support for the inserts 1012 disposed between the first load ring 1019-1 and the second load ring 1019-2.
  • an insert bottom surface 1013 of the fifth insert 1012-5 abuts against a top surface 1036 of the second load ring 1019-2.
  • the second load ring 1019-2 provides axial support for the third insert 1012-3, fourth insert 1012-4, and the fifth insert 1012-5.
  • the insert bottom surface 1013 of the second insert 1012-2 abuts against a top surface 1036 of the first load ring 1019-1 so as to provide axial support to the first insert 1012-1 and 1012-2.
  • the inserts 1012 are supported in a similar manner as described above for the inserts 1012 in the three longitudinal channels 1035, and there are five rows of inserts 1012 with three inserts 1012 per row.
  • the slip segment 1002 may have a plurality of load rings 1019, including more than the two load rings 1019 shown in FIG. 10 .
  • the slip segment 1002 may include a separate load ring 1019 disposed below and adjacent each row of inserts 1012.
  • the slip segment 1002, as shown in FIG. 10 would have five load rings 1019 for the embodiment providing a separate load ring 1019 for each row of inserts 1012.
  • FIG. 11 is a partial cross-sectional view of the first slip segment 102-1 engaging a tubular member 10.
  • the tubular member 10 is inserted into the rotary table 14 on the drill floor and the tubular slip device 100 is inserted into the rotary table 14, as shown in FIG. 1 .
  • the tooth-like projections 161 engage the first slip segment 102-1, as well as the second slip segment 102-2 and the third slip segment 102-3 (which are not shown in this view) thereby suspending the tubular member 10 from the rotary table 14 so as to create a load.
  • the load of the tubular member 10 will be transferred from the tooth-like projections 161 of the inserts 112 to the insert lower shoulder 174 which in turn is transferred to the ledge 152 of the inner face 110 of first slip segment 102-1.
  • the arrow 196 depicts the point where the load is transferred from the insert lower shoulder 174 to the ledge 152.
  • the insert bottom end 182 of the lowermost insert 112-1 also transfers the load to the bottom end 124 of the first slip segment 102-1 denoted by arrow 196.
  • an upper tubular member 26 may also be threadedly connected to the tubular member 10 via external threads 28 as will be readily understood by those of ordinary skill in the art.
  • the operator lifts the tubular string 17 and then removes the tubular slip device 100 from the rotary table 14 (shown in FIG. 1 ).
  • the tubular string 17 is then lowered to the desired level.
  • the tubular slip device 100 may again be inserted into the rotary table 14 as understood by those of ordinary skill in the art.

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Claims (15)

  1. Un dispositif de glissement tubulaire (100) permettant de supporter un élément tubulaire, comprenant :
    plusieurs segments de glissement (102, 102-1, 102-2, 102-3, 1002) reliés pour former une ouverture de glissement (120) adaptée à l'élément tubulaire, chaque segment de glissement comprenant un corps de glissement (104, 104-1, 1004), le corps de glissement comprenant :
    une extrémité supérieure (122, 1022) et une extrémité inférieure (124, 1024) ;
    une face extérieure (106, 1006) présentant une forme arquée ; et
    une face intérieure (110, 1010) présentant une forme arquée
    entourant au moins partiellement l'ouverture de glissement ;
    et le dispositif comprend en outre plusieurs inserts (112, 1012-1, 1012-2, 1012-3) fixés et construits pour s'adapter à la face intérieure du corps de glissement dans une position fixe, et chaque insert comprend une face avant (160) adaptée pour saisir l'élément tubulaire ;
    caractérisé ainsi : le corps de glissement est fabriqué dans un matériau non métallique ou un matériau composite.
  2. Le dispositif de glissement tubulaire (100) de la revendication 1, dans lequel le corps de glissement (104, 104-1, 1004) est fabriqué dans un matériau plastique.
  3. Le dispositif de glissement tubulaire (100) de la revendication 1 ou 2, dans lequel le corps de glissement (104, 104-1, 1004) est fabriqué dans un matériau renforcé par des fibres.
  4. Le dispositif de glissement tubulaire (100) de la revendication 3, dans lequel le corps de glissement (104, 104-1, 1004) est fabriqué dans un matériau plastique renforcé par des fibres de carbone.
  5. Le dispositif de glissement tubulaire (100) de la revendication 3, dans lequel le corps de glissement (104, 104-1, 1004) est fabriqué dans un matériau plastique renforcé par des fibres de verre.
  6. Le dispositif de glissement tubulaire de la revendication 1, dans lequel le corps de glissement (104, 104-1, 1004) est fabriqué dans un matériau composite à matrice céramique.
  7. Le dispositif de glissement tubulaire (100) de l'une des revendications précédentes, dans lequel la face intérieure (110, 1010) comprend plusieurs rebords (152) et dans lequel chaque insert (112, 1012-1, 1012-2, 1012-3) comprend un épaulement (174) engagé avec l'un des rebords lorsqu'il est en position fixe, de manière à fixer l'insert au corps de glissement (104, 104-1, 1004) lorsqu'un élément tubulaire est supporté.
  8. Le dispositif de glissement tubulaire (100) de l'une des revendications précédentes, comprenant en outre un anneau de charge (1019-1, 1019-2) présentant une forme arquée, dans lequel la face intérieure (110, 1010) du corps de glissement (104, 104-1, 1004) comprend un canal radial (1017-1, 1017-2, 1017-3) adapté pour que l'anneau de charge s'y insère, dans lequel la surface inférieure (1013) d'au moins un des inserts (112, 1012-1, 1012-2, 1012-3) bute contre l'anneau de charge, et dans lequel la face extérieure (106, 1006) présente une section conique disposée entre l'extrémité supérieure (122, 1022) et l'extrémité inférieure (124, 1024), et dans lequel la section conique se rétrécit vers l'intérieur en direction de l'extrémité inférieure.
  9. Le dispositif de glissement tubulaire (100) de la revendication 1, dans lequel le corps de glissement (104, 104-1, 1004) est fabriqué dans un matériau composite, dans lequel le corps de glissement comprend une structure laminée (302), et dans lequel la structure laminée comprend plusieurs couches métalliques (304, 304-1, 304-2) et plusieurs couches fibreuses (306, 306-1).
  10. Le dispositif de glissement tubulaire (100) de la revendication 9, dans lequel les couches métalliques (304, 304-1, 304-2) comprennent une première couche métallique (304-1) et une deuxième couche métallique (304-2) et les couches fibreuses comprennent une première couche fibreuse (306-1), et dans lequel la première couche fibreuse est disposée entre la première couche métallique et la deuxième couche métallique.
  11. Le dispositif de glissement tubulaire (100) de la revendication 10, comprenant en outre un matériau adhésif pour fixer la première couche fibreuse (306-1) à la première couche métallique (304-1) et à la deuxième couche métallique (304-2).
  12. Le dispositif de glissement tubulaire (100) de l'une des revendications précédentes, dans lequel les inserts (112, 1012-1, 1012-2, 1012-3) s'étendent de l'extrémité supérieure (122, 1022) à l'extrémité inférieure (124, 1024).
  13. Un procédé d'engagement d'un élément tubulaire à l'intérieur de la table tournante du plancher d'un appareil de forage consistant à :
    fournir un dispositif de glissement tubulaire (100) comprenant :
    plusieurs segments de glissement (102, 102-1, 102-2, 102-3, 1002) reliés pour former une ouverture de glissement (120) adaptée à l'élément tubulaire, chaque segment de glissement comprenant un corps de glissement (104, 104-1, 1004), le corps de glissement comprenant :
    une extrémité supérieure (122, 1022) et une extrémité inférieure (124, 1024) ;
    une face extérieure (106, 1006) présentant une forme arquée ; et
    une face intérieure (110, 1010) présentant une forme arquée
    entourant au moins partiellement l'ouverture de glissement ; dans lequel le corps de glissement est fabriqué dans un matériau non métallique ou dans un matériau composite, et le dispositif comprend en outre plusieurs inserts (112, 1012-1, 1012-2, 1012-3) fixés et construits pour s'adapter à la face intérieure du corps de glissement dans une position fixe, et chaque insert comprend une face avant (160) adaptée pour saisir l'élément tubulaire ;
    insérer un élément tubulaire (10) à l'intérieur de la table tournante (14) du plancher de l'appareil de forage ;
    insérer le dispositif de glissement tubulaire dans la table tournante ;
    engager le dispositif de glissement tubulaire autour de l'élément tubulaire de sorte que les inserts engagent l'élément tubulaire, et dans lequel l'élément tubulaire est suspendu à la table tournante de manière à créer une charge ;
    transférer la charge de l'élément tubulaire aux inserts ; et
    transférer la charge des inserts à chaque corps de glissement des segments de glissement.
  14. Le procédé de la revendication 13, dans lequel le corps de glissement (104, 104-1, 1004) est fabriqué dans un matériau composite, et dans lequel le corps de glissement présente une structure laminée (302) comprenant plusieurs couches métalliques (304, 304-1, 304-2) fabriquées dans un matériau métallique et plusieurs couches fibreuses (306, 306-1).
  15. Le procédé de la revendication 13 ou 14, dans lequel le dispositif de glissement tubulaire (100) comprend en outre un anneau de charge (1019-1, 1019-2), dans lequel la surface inférieure (1013) d'au moins un des inserts (112, 1012-1, 1012-2, 1012-3) bute contre l'anneau de charge, et dans lequel le procédé comprend le transfert d'au moins une partie de la charge de l'élément tubulaire (10) au dispositif de glissement tubulaire via l'anneau de charge.
EP18205280.3A 2017-11-08 2018-11-08 Dispositif de glissement tubulaire comportant des matériaux non métalliques et procédé d'utilisation Active EP3483383B1 (fr)

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Publication number Priority date Publication date Assignee Title
GB202003144D0 (en) * 2020-03-04 2020-04-15 Balmoral Comtec Ltd Subsea line clamp assembly
US11156038B1 (en) 2020-08-12 2021-10-26 Forum Us, Inc. Split bowl wear bushing

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1923283A (en) * 1932-09-26 1933-08-22 John C Stokes Slip
US2134468A (en) * 1935-01-28 1938-10-25 Samuel F Bashara Slip
US2143615A (en) * 1936-04-14 1939-01-10 Baldwin Reinhold Drill slip
US5984007A (en) * 1998-01-09 1999-11-16 Halliburton Energy Services, Inc. Chip resistant buttons for downhole tools having slip elements
US6491108B1 (en) * 2000-06-30 2002-12-10 Bj Services Company Drillable bridge plug
WO2003058103A2 (fr) * 2002-01-04 2003-07-17 Varco I/P, Inc. Structure de retenue de tuyau a bague de charge
GB2448257B (en) * 2004-03-26 2008-12-17 Access Oil Tools Inc Heavy load carry slips and method
US20060102337A1 (en) * 2004-11-12 2006-05-18 Elliott Gregory D Heavy-load landing string system
US7600450B2 (en) * 2008-03-13 2009-10-13 National Oilwell Varco Lp Curvature conformable gripping dies

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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