EP2738346A1 - Dispositif de raccordement électrique pour tuyau de forage filaire - Google Patents

Dispositif de raccordement électrique pour tuyau de forage filaire Download PDF

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Publication number
EP2738346A1
EP2738346A1 EP12194531.5A EP12194531A EP2738346A1 EP 2738346 A1 EP2738346 A1 EP 2738346A1 EP 12194531 A EP12194531 A EP 12194531A EP 2738346 A1 EP2738346 A1 EP 2738346A1
Authority
EP
European Patent Office
Prior art keywords
connecting device
drill pipe
axialverriegelungselement
axial
electrical
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
EP12194531.5A
Other languages
German (de)
English (en)
Other versions
EP2738346B1 (fr
Inventor
Bouchra Lamik-Thonhauser
Anton KOTOV
Alexander FINE
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.)
think and vision GmbH
Original Assignee
Advanced Drilling Solutions GmbH
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 Advanced Drilling Solutions GmbH filed Critical Advanced Drilling Solutions GmbH
Priority to EP12194531.5A priority Critical patent/EP2738346B1/fr
Priority to PL12194531T priority patent/PL2738346T3/pl
Priority to PCT/EP2013/074050 priority patent/WO2014082886A1/fr
Priority to US14/084,431 priority patent/US9587439B2/en
Publication of EP2738346A1 publication Critical patent/EP2738346A1/fr
Application granted granted Critical
Publication of EP2738346B1 publication Critical patent/EP2738346B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/028—Electrical or electro-magnetic connections

Definitions

  • the invention relates to a device for connecting at least one electrical data and / or supply line to electrical connections of a wired drill pipe when the drill pipe is not in active drilling operation.
  • a coaxial cable within each drilling component extends end to end of the drilling component and is connected to the coaxial cables of the adjacent drilling components as the drilling components are connected.
  • a rotary connector allows communication between the downhole transmission system and surface positioned instruments.
  • Other transmission mechanisms are also used, such as sonar or ground electrical currents, etc.
  • the most efficient solutions have been found to be based on cabling of the drill string (electrical cables or optical fibers).
  • drill-linkable apparatus for communicating with a wired drill pipe during the tripping operation, which include so-called sub-coupler heads.
  • a first type of sub-coupler head has a non-threaded surface which, when installed in a threaded drill pipe, frictionally or press-fits a restraining force against a threaded portion of the drill pipe. The friction or interference fit is achieved by spreading the sub-coupler head.
  • a communication element is embedded in the sub-coupler head to communicate with a pipe communication element to couple communicatively when the sub-coupler head is positioned within the receiving end of the wired drill pipe. Inductive couplers and direct connection couplers are cited as communication elements.
  • Examples of communicative coupling include wireline, mud-pulse telemetry, electronic telemetry, or acoustic telemetry.
  • the material of the sub-coupler head is resilient and soft with respect to the material of the drill pipe so that the thread of the drill pipe is not damaged.
  • its surface has a partial thread.
  • the communication apparatus is used only for signal transmission, but not for the supply of underground metering units with electrical energy.
  • the document US 7,198,118 discloses a communications adapter for detachably connecting to a drilling component outside of the active drilling operation, comprising a communications coupling for data communication with a drilling system integrated transmission system, a mechanical coupler for releasably securing the adapter to the drilling component, and an integral data interface comprising a screen, a gauge, a Speaker or a light.
  • the mechanical coupler includes a thread, or magnets, or locking mechanisms, such as elastic clips, or clamps.
  • the mechanical coupler includes cams that are pivotable about a pivot axis into engagement with an internal thread of the drilling component.
  • the communication adapter is used only for signal transmission, but not for the supply of underground metering units with electrical energy.
  • At least one electrical data and / or supply line can be connected to electrical connections of a wired drill pipe when the drill pipe is not in active drilling operation.
  • the connecting device according to the invention comprises: electrical connections, which are galvanically connected to the at least one electrical data and / or supply line and can be brought into contact with the electrical connections of the drill pipe; an axial guide element axially insertable and removable in a receiving end of the drill pipe; and at least one Axialverriegelungselement.
  • the axial guide member and the axial locking member are axially displaceable relative to each other between an axial locking position and a release position, wherein in the Axialverriegelungs ein the Axialverriegelungselement is configured to mesh with the drill pipe, and wherein in the release position of the engagement of the Axialverriegelungselements is dissolved in the drill pipe.
  • the connecting device according to the invention is particularly suitable for connection with those in the above-mentioned patent application WO 2010/141969 A2 whereas the adaptation to standard threads of standard drill pipes is not an objective of the invention.
  • a quick and secure manufacturable locking between the connecting device according to the invention and the drill pipe can be achieved if the Axialverriegelungselement is radially movable, preferably elastically radially movable.
  • the connecting device can be guided out of the drill pipe in a particularly simple manner.
  • the axial guide element has at least one recess, preferably at least one circumferential groove, into which the axial locking element can be radially retracted in the release position.
  • a particularly secure handling of the connecting device according to the invention can be achieved if the axial guide element has two axially offset recesses, preferably circumferential grooves, which define two different release positions.
  • a first release position is assumed by relative axial displacement of the Axial elementselements to Axialverriegelungselement in a first direction, and a second release position occupied by relative axial displacement of the Axial Operationselements to Axialverriegelungselement in the opposite direction.
  • High mechanical stability of the connection between the connecting device and the wired drill pipe and protection against loosening of the connection when tensile forces occur when in the axial locking position, a portion of the Axial elements forms an abutment against radial retraction of the Axialverriegelungselements.
  • the axial locking element has projections which are configured to engage in depressions of the drill pipe in the axial locking position or if the axial locking element has recesses configured to engage in projections of the drill pipe in the axial locking position.
  • the Axialverriegelungselement is designed as a clamping sleeve which surrounds the axial guide element.
  • the connecting device preferably by means of springs, can be biased into the axial locking position.
  • a rotatable outer body is provided in a preferred embodiment of the connecting device according to the invention, in which the electrical connections are configured such that they can be brought into contact with the electrical connections of the drill pipe by rotational movement of the outer body.
  • the provision of rotary handles facilitates the rotation of the connecting device for the operator.
  • the provision of axial handles generally facilitates manual guidance of the connector.
  • the outer body and the Axialverriegelungselement axially with respect to each other are substantially rigid, but rotatably connected.
  • connection can be realized by means of an intermediate element which is axially rigidly connected to the Axialverriegelungselement and on its outer surface has an external thread on which an inner thread of the outer body is rotatably screwed.
  • the Axialverriegelungselement and / or the intermediate element can be secured by a rotary locking element against rotation with respect to the Axial Resultsselement.
  • the intermediate element may comprise anti-rotation elements for engaging the drill pipe.
  • the connecting device For an automatic or at least semi-automatic connection of the connecting device with a drill pipe is provided that the outer body is rotatable by means of a motor and optionally a gear, wherein the connecting device is preferably equipped with actuators for automatic supply to and removal from the drill pipe.
  • a contact detector switch which detects whether the electrical connections of the connecting device with the electrical connections of the drill pipe in contact.
  • the invention also provides that the at least one electrical line is led out by means of a Drehaustechnischsvorraum in a harness from the connecting device.
  • connection device In order to carry out measurements on mounted drill pipes, for example, it is expedient to design the connection device according to the invention as a handheld device, wherein at least one device for inputting and outputting data, status and / or test signals and at least one electrical data and / or supply line for the evaluation of output signals is connected, the device preferably has a user interface.
  • Fig. 1 shows a section of a drilling rig for oil, gas or Geothermiebohrungen in which arranged on the wired drill string measuring units are supplied via the wiring with electrical energy and control signals and sent by the measuring units on the wired drill string data to Overnight control and evaluation devices. The data transfer also takes place when no drilling operation is carried out, but, as shown here, the drill pipe is removed (trip-out) or installed by assembling pipes (trip-in). In Fig. 1 one recognizes a gripper 1, which holds the uppermost cabled drill pipe 6 of a wired drill pipe.
  • the upper end, the so-called “box end”, of the cabled drill pipe 6 is connected to electrical apparatus of the wired drill pipe 6 with a device 2 according to the invention for connecting electrical data and / or supply lines, which are arranged in a flexible cable harness 18 .
  • the wired drill pipe 6 is preferably a drill pipe with a in WO 2010/141969 A2 described connection element.
  • the flexible wire harness 18 opens into a cable housing 5, the a rotary connector body 3 is fixed. From the cable housing 5, the electrical leads continue in a wired mounting body 4, from where they continue to run away from the drilling control, evaluation and power supply equipment. By this arrangement, it is possible to control electrical circuits located in the drill string and to supply them with energy.
  • the connecting device 2 is parked in a holder 11, so that it neither disturbs the drilling operation nor can be damaged, but is immediately available again during subsequent tripping operations.
  • the wired mounting body 4 is directly connected to the wired drill pipe 6.
  • Fig. 2 shows the connection of the connecting device 2 with a rotary connector body 3 and the wired drill pipe 6 in magnification.
  • the rotary connector body 3 is mounted by means of screws 21 on a split sleeve 13 which is held on the wiring mounting body 4 by means of pipe clamps 12.
  • An electrical cable 16 is passed between the split sleeve 6 for connection of the rotary connector body 3 to the wired drill string during drilling operation.
  • a cable housing bearing 9 is rotatably mounted on the split sleeve 13.
  • a synchronizing member 14 rotatably connects the cable housing support 9 and the rotary connector body 3 with respect to each other so that they can only rotate together relative to the wired mounting body 4.
  • a rod-shaped holder 10 extends radially outward.
  • the holder 11 for the connecting device 2 and the cable housing 5 are fixed.
  • An electrical input line 23 and an electrical output line 17 lead via an unillustrated slip ring ensemble inside the rotary connector body 3 out of the rotary connector body 3 out into the cable housing 5 and from there into the flexible cable harness 18 which is connected by means of connectors 15 to the cable housing 5.
  • the electrical input line 23 and the electrical output line 17 are during the conversion work (tripping operations) via the connecting device 2 with the wired drill pipe 6 in electrical connection.
  • the end of the wired mounting body 4 is protected with a protective cap 26. So that the flexible wire harness 18 does not twist when using the connecting device 2, the flexible wire harness 18 opens by means of a connector 41 in a Dreeschl GmbHsvorcardi 8 of the connecting device. 2
  • Fig. 3 and Fig. 4 show an embodiment of the connecting device 2 in a perspective view, each partially cut away.
  • the connecting device 2 has a substantially frusto-conical outer body 31, from which to easier handling an axial handle 39 for manual axial guidance of the connecting device 2 when inserted into the drill pipe and three rotary handles 38 for manual rotation of the predominantlyköpers 31 extend.
  • the outer body 31 is configured to provide protection against the penetration of drilling mud, and it is also designed to be explosion proof.
  • the above-explained rotary balance device 8, on which the plug connector 41 can be seen extends in a rotatable manner from the outer body 31.
  • a contact detector switch 25 is arranged (see in particular detail D in Fig.
  • the electrical connections 35 may be implemented as standard electrical sockets opening in the front end surface of the outer body 31, and the electrical connections of the drill pipe extend axially in the form of contact pins.
  • electrical lines 42 extend through the interior of the connecting device 2 to the connector 41.
  • an axial locking element 33 in the form of a clamping sleeve and an axial guide element 32.
  • the Axialverriegelungselement 33 serves to fix the connecting device 2 in the axial direction in the drill pipe.
  • the axial guide member 32 and the Axialverriegelungselement 33 are axially displaceable relative to each other between an Axialverriegelungs ein and a release position, wherein the Axialverriegelungselement 33 is divided in its front region into a plurality of elastically radially movable tongues 33 b, the projections 33 a at their free ends Have mesh with the drill pipe.
  • the tongues 33b are radially extended, radially retracted in the release position, as will be explained in detail below.
  • the axial guide element 32 has two recesses, which are separated from one another by a web-shaped section 32b, in the form of circumferential grooves 32a, 32c which receive the projections 33a of the axial locking element 33 in two different release positions.
  • the axial locking member 33 is axially rigidly mounted with respect to the intermediate member 34, so that the axial movement of the Axialverriegelungselements 33 and the intermediate member 34 are made together, whereby the intermediate member 34 can not hinder the radial movement of the tongues 33 b.
  • a drillge leopardgewindes 37 comprising an external thread 34 c on the peripheral surface of the intermediate member 34 and an internal thread 31 a on the inner surface of the outer body 31, the intermediate element 34 are and the outer body 31 are connected to each other so that the intermediate member 34, the Axialverriegelungselement 33 and the outer body 31 are moved together axially with respect to the Axial Adjustselement 32 when the outer body 31 is moved axially.
  • the outer body 31 is axially movable relative to the Axialverriegelungselement 33.
  • the assembly of intermediate member 34, Axialverriegelungselement 33 and outer body 31 is biased in such axial position relative to the Axialungs Resultsselement 32 that the connecting device 2 is in the locking position in which the projections 33 a of the Axialverriegelungselements 33 on the web portion 32 b of Axial Resultsselements 32 rest.
  • the two springs 36 exert from opposite directions in each case the same spring forces, whereby an equilibrium of forces is established, which results in the relative axial position.
  • the intermediate element 34 serves for the radial fixation of the connecting device 2 in the drill pipe.
  • the intermediate element 34 at its front end face on a series of projections 34a and recesses 34b, which engage with counter-shaped recesses and projections of a protective sleeve in the drill pipe.
  • a rotation lock pin 43 is provided in order to prevent the axial lock member 33 and the intermediate member 34 from rotating with respect to the axial guide member 32.
  • Fig. 5 shows the arrangement of Axialverriegelungselement 33 and intermediate member 34.
  • the plurality of tongues 33b with projections 33a of the Axialverriegelungselements 33 and the front projections 34a and recesses 34b of the intermediate member 34 are particularly well visible.
  • the external thread 34c on the outer surface of the intermediate element 34 is not shown in the drawing, but symbolized by the reference numeral 34c.
  • FIGS. 6 to 11 show the process of connecting the connecting device 2 with the drill pipe 6 and on the basis of FIGS. 12 and 13 the subsequent release of this connection explained.
  • Fig. 6 shows the initial insertion of the outer body 31 in a conical receiving space 71 of the box end 70 of the wired drill pipe 6, wherein the detail A is an enlarged view of a section of Fig. 11 shows.
  • the drill pipe 6 has electrical connections 73 (pins) for electrical connection to the electrical connections 35 (sockets) of the connection device 2.
  • a sleeve-shaped connecting element 72 is arranged, which has an annular projection 72a facing the connecting device 2, an annular recess 72b formed behind the nose 72a, and a conical centering surface 72c.
  • the connecting device 2 is in the locking position, in which the projections 33a of the Axialverriegelungselements 33 rest on the web-shaped portion 32b of the Axial Adjustselements 32.
  • the projections 33a abut against the nose 72a of the connecting element 72 of the drill pipe 6, whereby the further axial movement of the axial locking element 33 is initially prevented.
  • the axial guide element 32 can very well continue to move into the drill pipe 6 in the axial direction, whereby the web-shaped section 32b of the axial guide element 32 moves away from the projections 33a and instead the second circumferential groove 32c of the axial guide element 32 comes into alignment with the projections 33a, see FIG Fig.
  • the circumferential groove 32c provides the tongue 33b with its projections 33a with the necessary clearance for an elastic radial movement inwards, in that the nose 72a pushes the projections 33a inwardly, see Fig. 8 , Thereby, the Axialverriegelungselement 33 can continue to move axially forward, wherein the projections 33a slide under the nose 72a and pass into the recess 72b of the connecting element 72.
  • the recess 72b provides clearance for the projections 33a, allowing the tabs 33b to move back to their initial radial position, see FIG Fig.
  • the first circumferential groove 32a of the Axial elementselements 32 comes into alignment with the projections 33a of the Axialverriegelungselements 33, see Fig. 12 .
  • the projections 33a can be pressed by the nose 72 radially inwardly into the circumferential groove 32a, see Fig. 13 , whereby the locking of the Axialverriegelungselements 33 dissolves and this can also be freely moved axially outward.
  • connection device 2 is intended for manual operation by operating personnel on the drilling rig. However, it is also possible to equip the connecting device 2 for semi-automatic or fully automatic operation.
  • Fig. 14 shows an embodiment of the connecting device 2, which is provided with a motor drive for rotating the outer body 31.
  • a motor 53 rotates the outer body 31 with respect to the axial guide member 32 via a gear comprising a pinion 51 on the drive shaft of the motor 53 and a ring gear 52 on the outer surface of the outer body 31.
  • axial drives 50 for example as hydraulic or pneumatic cylinder Piston systems or are realized as threaded spindles, the axial movement of the outer body 31 is controlled with respect to the axial guide element 32.
  • the drives 50 are seated on a rotary balance device 40, to which the connector 41 is attached.
  • an electrical detector switch 54 is provided which detects whether the outer body 31 has been rotated in a correct angular orientation to the drill pipe, in which a galvanic connection between the electrical connections of the connecting device and the drill pipe takes place. In this correct angular orientation, the final fixing of the outer body 31 by the axial drives 50 takes place.
  • Fig. 15 shows an equipment of the connecting device 2 with devices for automatically placing the connecting device 2 on the drill pipe 6, while it is held by a gripper 1.
  • the connecting device 2 is housed in a housing 63 which is mounted on the holder 10 via actuator arms 61, 62, the holder 10 being fixed on the rotary connector body 3 via the cable housing mounting 9. From the rotary connector body 3, the wired mounting body 4 extends.
  • the actuator arms 61, 62 are fed by actuators 60 in three-dimensional motion to the drill pipe 6 and led away.
  • the housing 63 has a conical open end that facilitates placement on the drill pipe 6 in centered alignment. Of course, distance meters can be used for more accurate placement.
EP12194531.5A 2012-11-28 2012-11-28 Dispositif de raccordement électrique pour tuyau de forage filaire Active EP2738346B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP12194531.5A EP2738346B1 (fr) 2012-11-28 2012-11-28 Dispositif de raccordement électrique pour tuyau de forage filaire
PL12194531T PL2738346T3 (pl) 2012-11-28 2012-11-28 Elektryczne urządzenie do łączenia dla okablowanych rur
PCT/EP2013/074050 WO2014082886A1 (fr) 2012-11-28 2013-11-18 Dispositif de connexion électrique de tubages câblés
US14/084,431 US9587439B2 (en) 2012-11-28 2013-11-19 Electrical tripping sub for wired drill pipes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12194531.5A EP2738346B1 (fr) 2012-11-28 2012-11-28 Dispositif de raccordement électrique pour tuyau de forage filaire

Publications (2)

Publication Number Publication Date
EP2738346A1 true EP2738346A1 (fr) 2014-06-04
EP2738346B1 EP2738346B1 (fr) 2016-08-24

Family

ID=47351453

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12194531.5A Active EP2738346B1 (fr) 2012-11-28 2012-11-28 Dispositif de raccordement électrique pour tuyau de forage filaire

Country Status (4)

Country Link
US (1) US9587439B2 (fr)
EP (1) EP2738346B1 (fr)
PL (1) PL2738346T3 (fr)
WO (1) WO2014082886A1 (fr)

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AT523416A4 (de) * 2020-04-25 2021-08-15 Think And Vision Gmbh Vorrichtung zur Daten- und/oder Stromübertragung an einem Bohrturm oder einer Behandlungswinde

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US20220258103A1 (en) 2013-07-18 2022-08-18 DynaEnergetics Europe GmbH Detonator positioning device
US10188990B2 (en) 2014-03-07 2019-01-29 Dynaenergetics Gmbh & Co. Kg Device and method for positioning a detonator within a perforating gun assembly
GB2537159A (en) 2015-04-10 2016-10-12 Nat Oilwell Varco Uk Ltd A tool and method for facilitating communication between a computer apparatus and a device in a drill string
US11021923B2 (en) 2018-04-27 2021-06-01 DynaEnergetics Europe GmbH Detonation activated wireline release tool
USD921858S1 (en) 2019-02-11 2021-06-08 DynaEnergetics Europe GmbH Perforating gun and alignment assembly
US11808093B2 (en) 2018-07-17 2023-11-07 DynaEnergetics Europe GmbH Oriented perforating system
NO20220107A1 (en) * 2019-09-30 2022-01-21 Halliburton Energy Services Inc High pressure dual electrical collet assembly for oil and gas applications
EP3808932B8 (fr) * 2019-10-17 2023-03-08 Grant Prideco, Inc. Dispositif, système et procédé de transfert de données à haute vitesse
US11220871B2 (en) 2019-11-11 2022-01-11 Ronald Thorsten Eckmann Methods for cleaning drill pipe during trip-out
CZ2022302A3 (cs) 2019-12-10 2022-08-24 DynaEnergetics Europe GmbH Sestava orientovatelné prorážecí trysky
US11225848B2 (en) 2020-03-20 2022-01-18 DynaEnergetics Europe GmbH Tandem seal adapter, adapter assembly with tandem seal adapter, and wellbore tool string with adapter assembly
US11753889B1 (en) 2022-07-13 2023-09-12 DynaEnergetics Europe GmbH Gas driven wireline release tool

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EP2273058A2 (fr) 2009-06-30 2011-01-12 Services Pétroliers Schlumberger Appareil, système et procédé de communication durant la connexion avec une tige de forage câblée

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US7198118B2 (en) 2004-06-28 2007-04-03 Intelliserv, Inc. Communication adapter for use with a drilling component
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EP2273058A2 (fr) 2009-06-30 2011-01-12 Services Pétroliers Schlumberger Appareil, système et procédé de communication durant la connexion avec une tige de forage câblée

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AT523416A4 (de) * 2020-04-25 2021-08-15 Think And Vision Gmbh Vorrichtung zur Daten- und/oder Stromübertragung an einem Bohrturm oder einer Behandlungswinde
AT523416B1 (de) * 2020-04-25 2021-08-15 Think And Vision Gmbh Vorrichtung zur Daten- und/oder Stromübertragung an einem Bohrturm oder einer Behandlungswinde
WO2021213798A1 (fr) * 2020-04-25 2021-10-28 Think And Vision Gmbh Dispositif de transfert de données et/ou d'énergie dans un derrick ou dans un treuil de manutention

Also Published As

Publication number Publication date
PL2738346T3 (pl) 2017-02-28
EP2738346B1 (fr) 2016-08-24
US20140144651A1 (en) 2014-05-29
WO2014082886A1 (fr) 2014-06-05
US9587439B2 (en) 2017-03-07

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