EP1809855A2 - Dispositif pivotant de manipulation de tiges de forage utilise dans la reparation hors ligne de joints de tiges de forage - Google Patents

Dispositif pivotant de manipulation de tiges de forage utilise dans la reparation hors ligne de joints de tiges de forage

Info

Publication number
EP1809855A2
EP1809855A2 EP05808892A EP05808892A EP1809855A2 EP 1809855 A2 EP1809855 A2 EP 1809855A2 EP 05808892 A EP05808892 A EP 05808892A EP 05808892 A EP05808892 A EP 05808892A EP 1809855 A2 EP1809855 A2 EP 1809855A2
Authority
EP
European Patent Office
Prior art keywords
tubular
door ramp
pivoting section
section
pivoting
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
EP05808892A
Other languages
German (de)
English (en)
Other versions
EP1809855A4 (fr
EP1809855B1 (fr
Inventor
Neil E. Fehres
Thomas A. Yost
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.)
National Oilwell Varco LP
Original Assignee
National Oilwell LP
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 National Oilwell LP filed Critical National Oilwell LP
Priority claimed from PCT/US2005/037353 external-priority patent/WO2006044848A2/fr
Publication of EP1809855A2 publication Critical patent/EP1809855A2/fr
Publication of EP1809855A4 publication Critical patent/EP1809855A4/fr
Application granted granted Critical
Publication of EP1809855B1 publication Critical patent/EP1809855B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • E21B19/18—Connecting or disconnecting drill bit and drilling pipe

Definitions

  • the present invention relates to a pipe handling system for use in the off-line make-up of drill pipe stands that are used in the exploration and production of oil and gas reserves.
  • the invention relates to a unique pipe handling system in which a section of the V- door ramp attached to a drilling rig structure pivots to allow one or more joints of drill pipe to be placed in a vertical position for off-line make-up with additional joints of drill pipe.
  • the drill pipe joints are typically coupled together using threaded connections, known as tool joints, in which the male end, or pin member, of one pipe joint is threadably connected to the female end, or box member, of an adjacent pipe joint.
  • threaded connections known as tool joints
  • the process of threadably coupling adjacent pipe joints together is a time consuming process that requires a significant amount of pipe handling by the drilling rig's crew.
  • a drill bit is placed on the downward end of the drill string.
  • Drill collars - which are essentially thick- walled sections of drill pipe - are connected together to form the bottom hole assembly section of the drill string.
  • the drill collars are used to provide sufficient weight on the drill bit as the drill bit is rotated in the borehole to drill deeper.
  • a top drive unit may be used to provide the rotational force to the drill string.
  • Top drive units are connected between the swivel and the crown block in the mast.
  • the making-up of the drill string requires a substantial amount of drill pipe handling by the drilling rig crew. Given the equipment used to make-up the drill string, the size and weight of the pipe joints used, and the time pressure under which the drilling crew operates, the substantial amount of pipe handling required to drill the well bore provides ample opportunity for injury to the drilling rig personnel. [0009] In an effort to reduce the amount of time required to make-up the drill string and, ultimately, to drill the well bore, drilling rig manufacturers have begun to design rigs with the ability to make-up "stands" of drill pipe "off-line" - i.e., to make-up joints of drill pipe with equipment other than the main drilling equipment.
  • drill pipe stands typically consist of two, three, or even four pipe joints threadably connected together.
  • the size of the drill pipe stands that can be assembled off-line is primarily dependent on the size of the drilling rig's mast or derrick (hereinafter collectively referred to as "mast").
  • these stands After being assembled, these stands can be stored in racking boards attached to and extending outwardly from the drilling rig's mast. When additional pipe joints are needed for continued drilling operations, these pipe stands can be connected to the drill string. In this way, two, three, or four additional pipe joints can be connected to the drill string through a single make-up using the main drilling equipment.
  • prior art off-line pipe make-up systems provide the ability to make-up stands of drill pipe off-line, the prior art systems still require a significant amount of pipe handling by the drilling rig crew.
  • the prior art systems typically require two "off-line holes", equivalent to the mousehole in the drilling rig, for placement of the drill pipe joints prior to make-up. Specifically, in the prior art systems, a first joint of drill pipe is lifted from the V-door ramp of the drilling rig and placed in a first off-line hole in a platform attached to the drilling rig that supports an off-line roughneck. A second joint of drill pipe is then lifted from the V-door ramp and placed in a second off-line hole in the off-line roughneck platform.
  • a third joint of drill pipe is then lifted from the V-door ramp and swung into engagement with the first joint of drill pipe - which is positioned in the off-line hole closest to the offline roughneck.
  • the two joints are then made up using the off-line roughneck, lifted above the off-line roughneck, and swung into position above the third pipe joint.
  • the two connected joints are made up with the third joint in the second off-line hole.
  • the drill pipe stand is then lifted from the off-line roughneck and positioned in a racking board for subsequent use.
  • the present invention is designed to address these and other known problems with the prior art systems. What is needed is an apparatus and method for off-line make-up of drill pipe stands that allows for less pipe handling by a drilling rig's crew and, thus, allows for a safer and more efficient off-line make-up operation. It is an object of the present invention to provide such an apparatus and method for off-line make-up of drill pipe stands. Those and other objectives will become apparent to those of skill in the art from a review of the specification below.
  • the disclosed invention is a unique pipe handling system in which a section of the V-door ramp attached to a drilling rig structure pivots to allow one or more joints of drill pipe to be placed in a vertical position for off-line make-up with additional joints of drill pipe.
  • a support cylinder connecting the pivoting section to the drilling rig structure supports the pivoting section in the horizontal position.
  • the support cylinder retracts, thereby allowing the pivoting section of the V-door ramp to pivot downwardly until the pipe joint is in the vertical position.
  • the pipe joint is maintained in the vertical position within the pivoting section of the V-door ramp by a holding means. Further, while in the vertical position, the pipe joint can be raised or lowered to the proper position through the use of a cylinder located in the pivoting section.
  • Figure 1 is a side view of a typical drilling rig structure showing a V-door ramp in accordance with one embodiment of the present invention connected to the drilling rig structure.
  • Figure 1 also shows two racking boards attached to and extending outwardly from the drilling rig's mast.
  • Figure 2 is a top view of the drilling rig's floor showing the V-door ramp in accordance with one embodiment of the present invention connected to the drilling rig structure.
  • FIG. 3 is a close-up top view of the V-door ramp showing the stationary section and the pivoting section of the V-door ramp in accordance with one embodiment of the present invention.
  • FIG. 4 is a close-up side view of the V-door ramp showing the stationary section and the pivoting section of the V-door ramp in accordance with one embodiment of the present invention.
  • Figure 5 is a detailed side view of the pivoting section of the V-door ramp according to one embodiment of the present invention showing the support cylinder connected between the drilling rig structure and the pivoting section of the V-door ramp in the extended position whereby the pivoting section of the V-door ramp is in the horizontal position.
  • FIG. 6 is a detailed side view of the pivoting section of the V-door ramp according to one. embodiment of the present invention showing the support cylinder connected between the drilling rig structure and the pivoting section of the V-door ramp in the retracted position whereby the pivoting section of the V-door ramp is in the vertical position.
  • Drilling rig structure 10 can be either a land based drilling rig or an offshore drilling rig.
  • V-door ramp 50 is comprised of two sections - stationary section 55 and pivoting section 60.
  • Stationary section 55 is supported in the horizontal position as shown in Figure 1 by support member 62 that is connected between V-door ramp 50 and rig structure 10.
  • support member 62 that is connected between V-door ramp 50 and rig structure 10.
  • V-door ramp 50 can be a "slanted" ramp that is connected on one end to rig structure 10 while the other end slants diagonally toward the ground (if used on a land based drilling rig) or toward a lower, pipe deck (if used on an offshore drilling rig).
  • V-door ramp 50 is a horizontal ramp or a slanted ramp.
  • Pivoting section 60 of V-door ramp 50 is shown in Figure 1 in both the horizontal position (solid lines) and in the vertical position (dashed lines). As discussed in more detail with reference to Figures 4 through 6, pivoting section 60 is supported in both the horizontal and vertical positions by support cylinder 64. If V-door ramp 50 is a slanted ramp (as discussed in the preceding paragraph), pivoting section 60 will be sized such that it can pivot from the slanted position to the vertical position as required to achieve the objectives of the present invention.
  • Figure 1 also shows two racking boards - 200 and 210 - attached to the mast 20 of the rig structure 10.
  • Racking board 200 is used to store, or "rack", stands of drill pipe that consist of three joints of drill pipe connected together and, thus, measure approximately 90 feet in length.
  • Racking board 210 is used to rack stands of drill pipe that consist of four joints of drill pipe connected together and, thus, measure approximately 120 feet in length.
  • a lower racking board may be attached to the drilling rig mast to rack stands of drill pipe that consist of two joints of drill pipe connected together and, thus, measure approximately 60 feet in length.
  • the size of the drill pipe stands to be made-up using the present invention will depend primarily on the size of the drilling rig's mast.
  • FIG. 2 is a top view of the rig floor of rig structure 10 showing V-door ramp 50 attached to rig structure 10.
  • V-door ramp 50 consists of stationary section 55 and pivoting section 60.
  • V-door ramp 50 is used to support the individual pipe joints 40 that are used to make-up the drill string during drilling operations.
  • Figure 2 also shows positioning cylinder 68 within pivoting section 60 used for positioning pipe joint(s) 40 vertically at the proper height during the off-line make-up operation (as discussed in more detail with reference to Figures 3 through 6).
  • Figure 2 shows off-line roughneck 100 mounted on an elevated platform 105 that is connected to rig structure 10 near V-door ramp 50. Functioning of the Pivoting Pipe Handler
  • the borehole will be drilled using the main drilling equipment of rig structure 10 (as discussed previously). While the main drilling equipment drills the borehole, crew members can prepare for the connection of additional pipe joints to the drill string using the off-line make-up system of the present invention. As noted, 60-foot drill pipe stands, 90-foot drill pipe stands, or 120-foot drill pipe stands can be assembled using the off-line make-up system of the present invention. One of skill in the art will appreciate, however, that if the mast of a drilling rig increases in size, it is possible that even longer stands may be assembled using the off-line make-up system of the present invention.
  • pivoting section 60 of V- door ramp 50 can be sized to hold either one or two joints of drill pipe.
  • pivoting section 60 can be sized to hold one pipe joint 40.
  • pivoting section 60 can be sized to hold two pipe joints 40.
  • pivoting section 60 can be sized to hold three or even four pipe joints 40 depending on the size of the drill pipe stands to be assembled off-line.
  • the holding means comprises a hinged bar that is attached to one side of pivoting section 60 such that the bar can be “swung” over the top of the pipe joints 40 into a latching mechanism on the opposite side of pivoting section 60.
  • the holding means maintains the pipe joints 40 in the vertical position when pivoting section 60 is pivoted downwardly.
  • the holding means can be either automatically “triggered” to close over the top of pipe joints 40 when they are rolled onto pivoting section 60, or it can be manually closed over the top of the pipe joints 40 by members of the drilling rig crew.
  • a third pipe joint 40 is lifted from the stationary section 55 of V-door ramp 50 and raised above the area around platform 105 and V-door ramp 50.
  • the third pipe joint 40 is lifted from the stationary section 55 of V-door ramp 50 by connecting tool joint 42 of the third pipe joint 40 to an off-line drill pipe elevator.
  • the off-line drill pipe elevator is then raised by either a winch located in mast 20 or located on the rig floor of rig structure 10, or by a bridge trolley (shown as 205 in Figure 1) mounted on an elevated platform attached to mast 20.
  • Third pipe joint 40 is then positioned above the pipe joints 40 in pivoting section 60 (which is in the vertical position) that is closest to off-line roughneck 100.
  • the third pipe joint 40 is then lowered via the off-line drill pipe elevator such that the lower end of the third pipe joint 40 engages one of the vertically held pipe joints 40.
  • Off-line roughneck 100 is then moved forward toward pivoting section 60 until it reaches the engaged pipe joints 40.
  • the upper tongs of off-line roughneck 100 "grab" the bottom portion of the third pipe joint (which is held in place by the off-line drill pipe elevator), while the lower tongs of off-line roughneck 100 "grab" the top portion of the engaged pipe joint 40 held in the vertical position within pivoting section 60.
  • Off-line roughneck 100 is then used to apply the necessary rotation to the engaged pipe joints 40 for the initial make-up of the connection and to apply the necessary final make-up torque to the threaded connection.
  • One of skill in the art will appreciate that numerous movable or "extendable" iron roughnecks exist that can be used for off-line roughneck 100 in the present invention, one such roughneck being National-Oilwell's IR30-80 Roughneck.
  • off-line roughneck 100 After off-line roughneck 100 makes-up the connection, it is disengaged from the pipe joints 40, and the off-line drill pipe elevator is used to lift the connected pipe joints 40 above platform 105. The connected pipe joints 40 are then positioned above the remaining pipe joint 40 held in the vertical position within pivoting section 60. The lower end of the connected pipe joints 40 is then lowered via the off-line drill pipe elevator such that the lower end of the connected pipe joints 40 engages the remaining vertically held pipe joint 40. Off-line roughneck 100 is then moved forward toward pivoting section 60 until it reaches the engaged pipe joints 40.
  • Off-line roughneck 100 is then used to apply the necessary rotation to the engaged pipe joints 40 for the initial make-up of the connection and to apply the necessary final make-up torque to the threaded connection.
  • off-line roughneck 100 releases the connected joints of drill pipe, and the stand of drill pipe - now measuring 90 feet in length - is moved into position for storage in racking board 200 (shown in Figure 1) through use of the off-line drill pipe elevator.
  • 100361 In a similar manner as just described, a 60-foot drill pipe stand can be assembled. For a 60-foot stand, only one pipe joint 40 is rolled onto pivoting section 60 of V-door ramp 50 and pivoted downwardly until it is in a vertical position. The pipe joint 40 held in the vertical position in pivoting section 60 can then be attached to a second pipe joint 40 lifted directly from the stationary section 55 of V-door ramp 50 in the manner described above.
  • pivoting section 60 of V-door ramp 50 can be designed to hold only one pipe joint 40.
  • a fourth pipe joint 40 can be attached to the 90-foot drill pipe stand to form a 120-foot drill pipe stand.
  • a fourth pipe joint 40 is rolled onto pivoting section 60 of V-door ramp 50 and pivoted downwardly until it is in the vertical position.
  • the pipe joint 40 held in the vertical position in pivoting section 60 can then be attached to the three pipe joint section that has been previously made up in the manner described above with respect to the 90-foot drill pipe stand.
  • the 120-foot drill pipe stand can than be moved into position for storage in racking board 210 (shown in Figure 1) through use of the off-line drill pipe elevator.
  • pivoting section 60 is connected to rig structure 10 via pin connection 52.
  • Pin connection 52 allows pivoting section 60 to rotate downwardly while remaining connected to rig structure 10.
  • Similar pin connections 65 and 66 are used to connect support cylinder 64 to pivoting section 60 and rig structure 10 respectively.
  • pivoting section 60 is shown in the horizontal position. In this position, support cylinder 64 is in the fully extended position. To “pivot" pivoting section 60 downwardly, support cylinder 64 is slowly retracted. As support cylinder 64 is retracted, pivoting section 60 rotates about pin connector 52 and begins to lower toward the vertical position shown in Figure 6. As support cylinder 64 continues to retract, support cylinder 64 is allowed to rotate about its connection points to the pivoting section 60 (via pin connection 65) and the rig structure 10 (via pin connection 66) such that pin connection 65 forces support cylinder 64 toward rig structure 10.
  • support cylinder 64 is specifically sized to be fully retracted (or “bottomed out") when pivoting section 60 is in the vertical position, as shown in Figure 6.
  • the present invention significantly reduces the amount of pipe handling required to assemble drill pipe stands off-line. This reduction in pipe handling allows for a more efficient and safer off-line make-up operation. Further, it will be appreciated that the pivoting V-door ramp section of the present invention alleviates the need for the "off-line holes" used in the prior art, thereby removing another safety concern found in the prior art.

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  • 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)

Abstract

L'invention concerne un appareil et un procédé utilisés dans la réparation hors ligne de longueurs de tiges de forage d'installations de forage utilisées dans l'exploration et la production de réserves de pétrole et de gaz. L'invention concerne un système de manipulation de tiges de forage dans lequel une section de la rampe de la porte en V fixée à la structure de l'installation de forage pivote de manière à placer un ou plusieurs joints de la tige de forage dans une position verticale. L'utilisation d'un dispositif sondeur hors ligne conjointement à un dispositif de levage de tiges de forage hors ligne permet de connecter ensemble les joints de la tige de forage maintenus en position verticale au moyen du dispositif pivotant de manipulation de tiges de forage de l'invention, connectés à des joint supplémentaires de la tige de forage, et placés dans une plateforme d'accrochage pour y être stockés jusqu'à ce qu'ils soient ensuite connectés au train de de forage. L'utilisation du dispositif pivotant de manipulation de tiges de forage de l'invention permet aux longueurs d'une tige de forage d'être 'réparées' sans interruption des opérations de forage, réduisant ainsi significativement le temps nécessaire au forage d'un trou de forage.
EP05808892.3A 2004-10-19 2005-10-18 Dispositif pivotant de manipulation de tiges de forage utilise dans la reparation hors ligne de joints de tiges de forage Active EP1809855B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US62004904P 2004-10-19 2004-10-19
PCT/US2005/037353 WO2006044848A2 (fr) 2004-10-19 2005-10-18 Dispositif pivotant de manipulation de tiges de forage utilise dans la reparation hors ligne de joints de tiges de forage

Publications (3)

Publication Number Publication Date
EP1809855A2 true EP1809855A2 (fr) 2007-07-25
EP1809855A4 EP1809855A4 (fr) 2012-09-26
EP1809855B1 EP1809855B1 (fr) 2013-11-20

Family

ID=38171503

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05808892.3A Active EP1809855B1 (fr) 2004-10-19 2005-10-18 Dispositif pivotant de manipulation de tiges de forage utilise dans la reparation hors ligne de joints de tiges de forage

Country Status (2)

Country Link
EP (1) EP1809855B1 (fr)
DK (1) DK1809855T3 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040131449A1 (en) * 2002-10-04 2004-07-08 Thompson Carroll R. Pipe handling apparatus for pick-up and lay-down machine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040131449A1 (en) * 2002-10-04 2004-07-08 Thompson Carroll R. Pipe handling apparatus for pick-up and lay-down machine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2006044848A2 *

Also Published As

Publication number Publication date
DK1809855T3 (en) 2014-02-17
EP1809855A4 (fr) 2012-09-26
EP1809855B1 (fr) 2013-11-20

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