EP2820228A2 - Tige de forage - Google Patents

Tige de forage

Info

Publication number
EP2820228A2
EP2820228A2 EP13711563.0A EP13711563A EP2820228A2 EP 2820228 A2 EP2820228 A2 EP 2820228A2 EP 13711563 A EP13711563 A EP 13711563A EP 2820228 A2 EP2820228 A2 EP 2820228A2
Authority
EP
European Patent Office
Prior art keywords
drill pipe
inner tube
conductor
cavity
drill
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
EP13711563.0A
Other languages
German (de)
English (en)
Other versions
EP2820228B1 (fr
EP2820228C0 (fr
Inventor
Anton Scheibelmasser
Bouchra Lamik-Thonhauser
Anton KOTOV
Michael KORAK
Johann JUD
Manfred GUTSCHELHOFER
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
think and vision 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 think and vision GmbH filed Critical think and vision GmbH
Publication of EP2820228A2 publication Critical patent/EP2820228A2/fr
Application granted granted Critical
Publication of EP2820228B1 publication Critical patent/EP2820228B1/fr
Publication of EP2820228C0 publication Critical patent/EP2820228C0/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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/003—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings with electrically conducting or insulating means
    • 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
    • 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
    • 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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/06—Measuring temperature or pressure

Definitions

  • the invention relates to a drill pipe, in particular for a drill string, with at least one electrical conductor and an inner tube, which is arranged within the drill pipe.
  • Geothermal wells is the data collection during the
  • the data should be transmitted from several kilometers depth at a high data rate (eg 200kBaud), the underground units should be powered from day to day ( eg 200W).
  • BohrStrangetti or drill pipes galvanically to each other connect For this purpose, both suitable solutions for the coupling of the individual Borhstrangiano or drill pipes as well as for the wiring of the drill pipes themselves are necessary.
  • the former is achieved by the device for connecting electrical conductors according to AT 508 272 B1.
  • the invention is therefore based on the object to provide a solution for the wiring within a drill string or drill string.
  • At least one electrical conductor is arranged on an outer side of the inner tube.
  • This arrangement protects the wiring in two ways. On the one hand, the environment is protected against the electrical conductor, as it is separated from the environment. On the other hand, both within a drill string and outside conditions, which have special requirements for the
  • Inner tube creates a cavity between the two, in this can be according to a preferred embodiment of the invention, a filler.
  • the cavity can also be empty. This allows any deformation of the inner tube, which passes through the very high pressure through the inner tube
  • Rinsing fluid can be caused to be counteracted.
  • suitable filler material if necessary by suitable filler material
  • Vibrations or vibrations are damped, which occur during operation, or the rinsing liquid can be thermally isolated from the environment of the drill pipe.
  • the filling material may be used for sensory purposes, as due to the conditions prevailing in the tube and around the tube
  • Conditions change various measurable properties of the filler.
  • properties that correlate directly with the environment such as pressure and temperature, can be measured, as well as those that correlate only indirectly with the environment, such as the electrical
  • Inner tube are electrically isolated from each other, since this is usually made of a conductive material,
  • Dead weight transferred directly to the ladder.
  • the conductor himself can fulfill sensory purposes, for example for length measurement of the drill string as described in AT 504 294 A.
  • the electrical conductor is on the outside of the inner tube
  • the conductor itself takes the form of a section of a pipe.
  • the ladder is thereby slightly or not at all different from the shape of a pipe or a section thereof.
  • the largest possible conductor cross-section can be achieved for the given space, whereby the electrical resistance of the conductor is kept as low as possible.
  • electrically insulating webs can be provided, through which the conductor is divided lengthwise into partial conductors, for example halved or quartered. So can the number the ladder is adapted to the needs and / or
  • different ladders are each assigned a different task.
  • six conductors may be provided, two of which serve to power consumers and four as data conductors.
  • two conductors are used, one as a forward conductor and one as a return conductor, which are used both as energy and as data conductors.
  • This can fulfill different functions.
  • it can fulfill sensory tasks, inter alia measuring the various properties of the filling material or the conductor itself as described above or, for example, detecting the position or position of the drill string with a position sensor.
  • it can be used, for example, as a signal amplifier, e.g. for out of neighboring
  • an electronically readable information carrier in particular a chip, is arranged in the cavity and the electronically readable information carrier is connected via a switch to the electrical conductor. So can individual
  • Drill pipes for one thing are identified at any time, for
  • Others may also have information, such as the time of the last maintenance of the drill pipe, directly in the
  • Fig. 1 is a schematic cross section through a
  • Fig. 2 is a longitudinal section through one end of another
  • Fig. 3 is a longitudinal section through the other end of
  • An inventive drill pipe 1 has an inner tube 2, a cavity 3 between drill pipe 1 and inner tube 2 and at least one conductor 4, 7, 8, 9.
  • the drill pipe 1 is made of steel in this embodiment.
  • Fig. L shows in a highly schematic form in section the structure of a drill pipe according to the invention 1.
  • the inner tube 2 is electrically insulated by an insulation 5 to the outside.
  • an electrically conductive or electrostatically chargeable material is used for the inner tube 2. Since 2 materials must be selected for the inner tube, which can withstand the special conditions in drilling, usually steel is used for this purpose, ie an electrically conductive material. Without insulation 5, an interior space 6 of the inner tube 2 would be exposed to an increased danger of explosion or the risk of a short circuit. Should the inner tube 2 be an electrically nonconductive material,
  • a carbon fiber reinforced plastic could also be dispensed with the insulation 5 between the conductors 4, 7, 8, 9 and the inner tube 2.
  • the insulation 5 are in the illustrated embodiment, four conductors 4, 7, 8, 9 which each against each other
  • insulating webs 10, 11, 12, 13 are insulated.
  • the conductors 4, 7, 8, 9 in this example each have the form of Quarter pipe segments.
  • Embodiments in which only one tubular conductor 4 is provided are also conceivable, as are those in which other numbers, for example two, three, five or more, of conductors 4, 7, 8, 9 are provided. It is also possible to easily arrange round or flat conductor on the inner tube.
  • the cavity is sealed at both ends by a respective seal 26, 27 (FIG. 3).
  • the filler is preferably free-flowing or free-flowing.
  • the filler material may consist of, for example, resin, silicone oil, sand, glass or ceramic or contain these materials. Should be
  • Filling material to be selected which is electrically conductive, it is necessary, even on the drill pipe side facing the conductor 4, 7, 8, 9 to provide insulation. It is meaningful such insulation in any case, even to avoid damage to the conductors 4, 7, 8, 9 during installation. In this sense, embodiments are conceivable in which the conductors 4, 7, 8, 9 partially or completely in the material of the inner tube. 2
  • an electrical device 14 in the cavity 3, surrounded by filler, an electrical device 14 and a
  • FIG. 2 shows a longitudinal section through an end of a further embodiment of a drill pipe according to the invention.
  • Drill pipe 1 has a thread 16 in the box
  • end 23 (Fig. 3) of another drill pipe can be connected. It also shows a first part of a Clutch mechanism on.
  • the coupling mechanism consists of two assemblies 17a, 17b and may be constructed, for example, as explained in the AT 508 272 Bl.
  • the clutch mechanism makes electrical connection only via the pin 18, which shifts from the first assembly 17a of the clutch mechanism to a second assembly 17b of the clutch mechanism. All other parts of the clutch mechanism are isolated from the environment.
  • the first assembly 17 a of the coupling mechanism is galvanically connected to the conductor 4. To further reduce the danger of explosion and the risk of damage, the end of the
  • Ladder 4 the first assembly 17a of the coupling mechanism and their connection by an additional insulation 20 to the inside of the inner tube 2 isolated.
  • the conductor 4 is then similar to the one shown in Fig. 1 via an insulation 5 on the inner tube 2 at.
  • the cavity 3 between the inner tube 2 and drill pipe 1 is accessible even after the completion of the drill pipe l, at least one opening 21 is vorgeh Battery in the drill pipe 1, which can be closed with a closure element 22.
  • the cavity 3 can be filled with different filling materials, or they can be replaced according to the situation and / or the desired function. For example, in applications where it is likely that the
  • Inner tube 2 in stronger vibrations device, the cavity filled with sand, to dampen these vibrations.
  • ceramic balls could be used.
  • mud specific gravity mud
  • Air or light oils a more suitable filler.
  • electrical devices 14 or electronically readable data carriers 15 can be made accessible via the opening 21 and / or replaced or repaired if necessary.
  • Fig. 3 shows a longitudinal section through the other, designated as pin 23, the end of the drill pipe 1 of Fig. 2.
  • a conductor 24 for example a cable, runs to the conductor 4 located on the inner tube 2.

Landscapes

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

Abstract

L'invention concerne une tige de forage (1), en particulier pour un train de tiges, laquelle présente au moins un conducteur électrique (4, 7, 8, 9) et un tube intérieur (2) disposé à l'intérieur de la tige de forage (1). La tige de forage (1) et le tube intérieur (2) sont par endroits espacés l'un de l'autre, de sorte que la tige de forage (1) et le tube intérieur (2) délimitent une cavité (3). Au moins un conducteur électrique (4, 7, 8, 9) est disposé sur un côté extérieur du tube intérieur.
EP13711563.0A 2012-03-01 2013-02-25 Tige de forage Active EP2820228B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA265/2012A AT512604B1 (de) 2012-03-01 2012-03-01 Gestängerohr
PCT/AT2013/000035 WO2013126936A2 (fr) 2012-03-01 2013-02-25 Tige de forage

Publications (3)

Publication Number Publication Date
EP2820228A2 true EP2820228A2 (fr) 2015-01-07
EP2820228B1 EP2820228B1 (fr) 2023-08-09
EP2820228C0 EP2820228C0 (fr) 2023-08-09

Family

ID=47988858

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13711563.0A Active EP2820228B1 (fr) 2012-03-01 2013-02-25 Tige de forage

Country Status (9)

Country Link
US (1) US10060194B2 (fr)
EP (1) EP2820228B1 (fr)
AT (1) AT512604B1 (fr)
AU (1) AU2013225601B2 (fr)
BR (1) BR112014021271B1 (fr)
CA (1) CA2865909C (fr)
ES (1) ES2962569T3 (fr)
PL (1) PL2820228T3 (fr)
WO (1) WO2013126936A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT524521A1 (de) 2020-12-07 2022-06-15 Think And Vision Gmbh Verfahren und Vorrichtung zur elektrischen Leistungsversorgung von zwei oder mehr technischen Einrichtungen
AT524537B1 (de) 2021-04-23 2022-07-15 Think And Vision Gmbh Stoßeinrichtung für einen Bohrstrang

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1230382B (de) * 1964-11-13 1966-12-15 Licentia Gmbh Bohrgestaengerohr mit gesonderter Bewehrung und Fuehrung elektrischer Kabel
US3906435A (en) * 1971-02-08 1975-09-16 American Petroscience Corp Oil well telemetering system with torsional transducer
US4560012A (en) * 1984-06-20 1985-12-24 Mcneely Jr Branch M Drill collar structure for use in deviated well bore drilling
US4836305A (en) * 1985-05-06 1989-06-06 Pangaea Enterprises, Inc. Drill pipes and casings utilizing multi-conduit tubulars
GB8616006D0 (en) 1986-07-01 1986-08-06 Framo Dev Ltd Drilling system
FR2613741B1 (fr) 1987-04-07 1991-05-10 Labrue Jean Marie Tubage interieur amovible pour tariere creuse destinee au moulage des pieux fores
GB8714754D0 (en) * 1987-06-24 1987-07-29 Framo Dev Ltd Electrical conductor arrangements
US4949797A (en) * 1989-08-24 1990-08-21 Isom John R Drill pipe
US6581454B1 (en) * 1999-08-03 2003-06-24 Shell Oil Company Apparatus for measurement
GB0115524D0 (en) * 2001-06-26 2001-08-15 Xl Technology Ltd Conducting system
FI120412B (fi) 2006-10-03 2009-10-15 Metso Paper Inc Menetelmä ja järjestely päällystysaineen käyttäytymisen hallitsemiseksi kuiturainan monikerrosverhopäällystyksen yhteydessä
AT508272B1 (de) * 2009-06-08 2011-01-15 Advanced Drilling Solutions Gmbh Vorrichtung zum verbinden von elektrischen leitungen
DE102010018383A1 (de) * 2010-04-26 2011-10-27 Ee Technologie Gmbh Bohr- oder Förderrohrgestänge

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
None *
See also references of WO2013126936A2 *

Also Published As

Publication number Publication date
AU2013225601A8 (en) 2014-10-09
AT512604B1 (de) 2019-05-15
BR112014021271B1 (pt) 2021-11-30
ES2962569T3 (es) 2024-03-19
AT512604A1 (de) 2013-09-15
WO2013126936A3 (fr) 2013-12-19
CA2865909A1 (fr) 2013-09-06
AU2013225601B2 (en) 2016-02-18
AU2013225601A1 (en) 2013-09-06
EP2820228B1 (fr) 2023-08-09
BR112014021271A2 (pt) 2017-06-20
US20150041216A1 (en) 2015-02-12
US10060194B2 (en) 2018-08-28
EP2820228C0 (fr) 2023-08-09
WO2013126936A2 (fr) 2013-09-06
CA2865909C (fr) 2019-07-09
PL2820228T3 (pl) 2024-02-19

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