EP1978205B1 - Magnetischer Bohrstangenführer für Erdbohrungen - Google Patents

Magnetischer Bohrstangenführer für Erdbohrungen Download PDF

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Publication number
EP1978205B1
EP1978205B1 EP08006078.3A EP08006078A EP1978205B1 EP 1978205 B1 EP1978205 B1 EP 1978205B1 EP 08006078 A EP08006078 A EP 08006078A EP 1978205 B1 EP1978205 B1 EP 1978205B1
Authority
EP
European Patent Office
Prior art keywords
rod
rotary
manipulator device
arms
magnets
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.)
Not-in-force
Application number
EP08006078.3A
Other languages
English (en)
French (fr)
Other versions
EP1978205A2 (de
EP1978205A3 (de
Inventor
Alessandro Ditillo
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.)
Soilmec SpA
Original Assignee
Soilmec SpA
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Filing date
Publication date
Application filed by Soilmec SpA filed Critical Soilmec SpA
Publication of EP1978205A2 publication Critical patent/EP1978205A2/de
Publication of EP1978205A3 publication Critical patent/EP1978205A3/de
Application granted granted Critical
Publication of EP1978205B1 publication Critical patent/EP1978205B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
    • E21B19/15—Racking of rods in horizontal position; Handling between horizontal and vertical position
    • E21B19/155—Handling between horizontal and vertical position
    • 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
    • E21B19/02—Rod or cable suspensions
    • E21B19/06—Elevators, i.e. rod- or tube-gripping devices
    • 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
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/084—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with flexible drawing means, e.g. cables
    • 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
    • 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
    • E21B19/24—Guiding or centralising devices for drilling rods or pipes

Definitions

  • the following equipment is mainly used: loaders, articulated cranes, mixed systems of cranes plus gripping accessories or winch end pieces.
  • the equipment consisting of loaders may be of the following types:
  • Equipment consisting of articulated cranes is normally of the following type: an articulated crane, mounted on the machine, picks the drilling accessories up with hoisting means, such as chains, ropes, “nooses", and threaded rotating elements.
  • Equipment consisting of mixed systems formed by cranes plus gripping accessories is in some cases made using a magnet as gripping member, the rod being lifted by an articulated crane and hydraulically positioned in line with the drilling axis (it works in fixed positions with the mast horizontal or vertical).
  • equipment consisting of winch end pieces is normally made as follows. Located on the end of the mast is an end piece with a winch over which the rope is run.
  • the end piece can be either rotatable or fixed. This system is simple but works only in a vertical direction.
  • an auxiliary vice is provided, mounted on a rotary that fishes the rod form a front trestle and brings it up aligned through a hydraulic rotation of 90° performed by the supporting arm of the vice.
  • Document US6374928 describes a method for blocking a pocket of a multi-pocket feed structure used to feed rods to and from a magazine of a directional drilling machine.
  • the method includes providing a blocker at a non-blocking position, engaging the blocker with the feed structure, and extending the feed structure from beneath the magazine while the blocker engages and moves in concert with the feed structure.
  • the method also includes disengaging the blocker from the feed structure after the feed structure has been extended, retracting the feed structure relative to the blocker until the blocker is positioned in a first blocking position in which at least one of the pockets of the feed structure is blocked, and re-engaging the blocker with the feed structure once the blocker is oriented in the first blocking position.
  • a problem typical of this type of equipment consists in the need to lift rods having a weight of 150 kg vertically or with minimal inclinations, at the same time paying attention to the aspects of costs and stability of the structure.
  • a solution to the aforesaid problems consists in exploiting the push-pull action of the rotary for hoisting and enabling an automatic release of the rod at heights greater than 3 m to prevent the operator from having to "clamber up" (as is the typical case with the use of traditional hoisting gear or of threaded rotating elements).
  • the solution to the aforesaid problem is achieved by employing a magnet that can be used indifferently in the two embodiments: the embodiment with openable arms and the embodiment with chains.
  • the purpose of the present invention is to provide a magnet rod-manipulator device for use in earth-drilling machines, characterized in that it comprises two permanent magnets constrained to the rotary of the machine, the magnets having the shape of plates provided with cradles and being mobile between a resting position and a position for engagement of a rod for drilling into the earth between said cradles.
  • two arms 10 may be noted, hinged in 11 to the rotary 14 of the machine, which carry at their two ends respective permanent magnets 12, which present in the form of plates with grooves, having the function of jaws or vices, provided with cradles 13, which are made on the face opposite to the face constrained to the respective arm.
  • Springs 15 are mounted so as to function by exerting a tensile force between the rotaries 14 and the arms 10.
  • the permanent magnets 12 are of the type with an electromagnetic deactivation circuit.
  • the rotary 14 is hence raised and, by means of the jaws 12, the rod 25 is raised along with it until it is set vertically ( Figure 4 ).
  • the jaws 12 rotate about their hinges 16 with which they are connected to the arms 10 following the rotation of the rod, which, from a horizontal position, moves into a vertical position.
  • the rotary 14 in a traditional way, lowers the rod within the unscrewing member (which is not illustrated given that it is of a known type), until it fits into the conical threaded joint of an underlying rod. With further exertion of the thrust, the rod slides inside the active jaws 12 until also the top joint has fitted into the end shaped like a truncated cone 17 of the rotary 14. The magnetic jaws 12 are now de-activated, and the arms 10 move up automatically into a resting position under the action of the springs 15.
  • the sleeve 18 of the rotary 14 is made to turn so as to screw the top joint to the bottom joint.
  • the arms 10 are mounted on the so-called through vice, which has a stationary outer collar 19 and an internal clamp, rotating (idle) when it is gripped on the rod.
  • This vice and the entire application are typical and particularly indicated for machines designed for jetting, in which usually the travel of the rotary is smaller than the length of the rod mounted initially.
  • the rotary hence requires a through vice, which gets the rod to advance in a number of goes.
  • the rods that are subsequently added are, instead, necessarily shorter than the travel of the rotary.
  • the arms 10 can be rotated from the resting position of Figure 2 to that of engagement of the rod 25 of Figure 3 by means of hydraulic/pneumatic motors or cylinders.
  • the magnetic jaws 12 are constrained to the rotary 14 by means of chains 20 instead of by the arms 10 of the embodiment described previously.
  • This solution facilitates centring of the cradles 13 of the jaws 12 on the rod by the operator, even though the system is less stiff than the previous one during lifting of the rod.
  • this variant can prove advantageous in the case where the rods already positioned vertically are loaded, in which case it is sufficient to displace the jaws 12 towards the rod and leave the electromagnetic force to grip them on the rod 25.

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)

Claims (8)

  1. Magnet-Stangenmanipulatorvorrichtung für Erdbohrmaschinen, bei denen die Stange vertikal oder mit minimalen Neigungen gehoben werden muss, dadurch gekennzeichnet, dass sie zwei Permanentmagneten (12) umfasst, die an der Drehvorrichtung (14) der Maschine befestigt sind, wobei die Magnete (12) die Form von Platten aufweisen, die mit Wiegen (13) versehen sind und zwischen einer Ruhestellung und einer Stellung zum Greifen einer Stange (25) zum Bohren in das Erdreich zwischen den Wiegen (13) beweglich sind, wobei die Drehvorrichtung (14), wenn angehoben, mittels der Magnete (12) die Stange (25) anhebt, bis sie vertikal eingestellt ist.
  2. Manipulatorvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Magnete (12) durch die jeweiligen Arme (10), die gelenkig an der Drehvorrichtung und den Magneten angebracht sind, an der Drehvorrichtung (14) befestigt sind.
  3. Manipulatorvorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass zwischen der Drehvorrichtung (14) und den Armen (10) Federn (15) montiert sind, die dazu neigen, die Arme (10) offen zu halten, wenn sie nicht eine Stange zwischen den jeweiligen Wiegen (13) greifen.
  4. Manipulatorvorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die Arme (10) von Hand aus der Ruhestellung in die Stellung des Greifens einer Stange (25) gedreht werden.
  5. Manipulatorvorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die Arme (10) mittels hydraulischer/pneumatischer Motoren oder Zylinder aus der Ruhestellung in die Stellung des Greifens einer Stange (25) gedreht werden.
  6. Manipulatorvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Magnete (12) mittels Ketten (20) an der Drehvorrichtung (14) befestigt sind.
  7. Manipulatorvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Permanentmagnete (12) von der Art mit einer elektromagnetischen Deaktivierungsschaltung sind.
  8. Manipulatorvorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass die Arme (10) an der Durchgangs-Einspannbacke der Drehvorrichtung (14) montiert sind, die von einem stationären äußeren Bund (19) und einer inneren Klemme, die dreht (Leerlauf), wenn sie an der Stange geklemmt ist, gebildet wird.
EP08006078.3A 2007-04-05 2008-03-28 Magnetischer Bohrstangenführer für Erdbohrungen Not-in-force EP1978205B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO20070242 ITTO20070242A1 (it) 2007-04-05 2007-04-05 Dispositivo manipolatore a magnete delle aste nelle macchine di perforazione del terreno.

Publications (3)

Publication Number Publication Date
EP1978205A2 EP1978205A2 (de) 2008-10-08
EP1978205A3 EP1978205A3 (de) 2011-11-30
EP1978205B1 true EP1978205B1 (de) 2015-07-15

Family

ID=39645268

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08006078.3A Not-in-force EP1978205B1 (de) 2007-04-05 2008-03-28 Magnetischer Bohrstangenführer für Erdbohrungen

Country Status (2)

Country Link
EP (1) EP1978205B1 (de)
IT (1) ITTO20070242A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8747045B2 (en) * 2009-11-03 2014-06-10 National Oilwell Varco, L.P. Pipe stabilizer for pipe section guide system
CN104552304B (zh) * 2014-12-15 2016-11-30 东莞龙昌数码科技有限公司 一种磁铁自动装配机的装配机械手
CN106930708B (zh) * 2015-12-29 2020-01-07 中国石油天然气股份有限公司 光杆抽挂装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3147652A (en) * 1962-03-05 1964-09-08 Lamb Rental Tools Inc Cam actuated tongs having magnetic drag means
US3659661A (en) * 1970-02-02 1972-05-02 Dresser Ind Earth boring machine
US4342487A (en) * 1980-02-29 1982-08-03 United States Steel Corporation Automatic roof bolting drill retention apparatus
DE19605139A1 (de) * 1996-02-13 1997-08-14 Peter Iberl Vorrichtung zum Transportieren und Halten von Bohrrohren (Bohrrohrklammer)
US6135674A (en) * 1997-08-28 2000-10-24 Cram Australia Pty Ltd. Roof bolt storage/transport apparatus
US6374928B1 (en) 2000-06-23 2002-04-23 Vermeer Manufacturing Company Method of blocking a pocket of a multi-pocket feed member for a directional drilling machine

Also Published As

Publication number Publication date
EP1978205A2 (de) 2008-10-08
ITTO20070242A1 (it) 2008-10-06
EP1978205A3 (de) 2011-11-30

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