EP2820228A2 - Drill pipe - Google Patents
Drill pipeInfo
- 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
Links
- 239000004020 conductor Substances 0.000 claims abstract description 59
- 239000000463 material Substances 0.000 claims description 18
- 239000000945 filler Substances 0.000 claims description 8
- 238000005553 drilling Methods 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 230000005484 gravity Effects 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229920002545 silicone oil Polymers 0.000 claims description 2
- 238000013016 damping Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 230000005358 geomagnetic field Effects 0.000 claims 1
- 239000011796 hollow space material Substances 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 8
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000001953 sensory effect Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000004918 carbon fiber reinforced polymer Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA265/2012A AT512604B1 (en) | 2012-03-01 | 2012-03-01 | drill pipe |
PCT/AT2013/000035 WO2013126936A2 (en) | 2012-03-01 | 2013-02-25 | Drill pipe |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2820228A2 true EP2820228A2 (en) | 2015-01-07 |
EP2820228C0 EP2820228C0 (en) | 2023-08-09 |
EP2820228B1 EP2820228B1 (en) | 2023-08-09 |
Family
ID=47988858
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13711563.0A Active EP2820228B1 (en) | 2012-03-01 | 2013-02-25 | Drill pipe |
Country Status (9)
Country | Link |
---|---|
US (1) | US10060194B2 (en) |
EP (1) | EP2820228B1 (en) |
AT (1) | AT512604B1 (en) |
AU (1) | AU2013225601B2 (en) |
BR (1) | BR112014021271B1 (en) |
CA (1) | CA2865909C (en) |
ES (1) | ES2962569T3 (en) |
PL (1) | PL2820228T3 (en) |
WO (1) | WO2013126936A2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT524521A1 (en) | 2020-12-07 | 2022-06-15 | Think And Vision Gmbh | Process and device for the electrical power supply of two or more technical devices |
AT524537B1 (en) | 2021-04-23 | 2022-07-15 | Think And Vision Gmbh | Punching device for a drill string |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1230382B (en) * | 1964-11-13 | 1966-12-15 | Licentia Gmbh | Drill pipe with separate armouring and routing of electrical cables |
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 (en) | 1987-04-07 | 1991-05-10 | Labrue Jean Marie | REMOVABLE INTERIOR TUBING FOR HOLLOW AUGER FOR MOLDING OF BORE PILES |
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 (en) | 2006-10-03 | 2009-10-15 | Metso Paper Inc | Method and Arrangement for Controlling the Behavior of Coating Material in Fibrous Layer Curtain Coating |
AT508272B1 (en) | 2009-06-08 | 2011-01-15 | Advanced Drilling Solutions Gmbh | DEVICE FOR CONNECTING ELECTRICAL WIRES |
DE102010018383A1 (en) * | 2010-04-26 | 2011-10-27 | Ee Technologie Gmbh | Drilling or production pipe linkage |
-
2012
- 2012-03-01 AT ATA265/2012A patent/AT512604B1/en active
-
2013
- 2013-02-25 ES ES13711563T patent/ES2962569T3/en active Active
- 2013-02-25 BR BR112014021271-6A patent/BR112014021271B1/en active IP Right Grant
- 2013-02-25 WO PCT/AT2013/000035 patent/WO2013126936A2/en active Application Filing
- 2013-02-25 PL PL13711563.0T patent/PL2820228T3/en unknown
- 2013-02-25 EP EP13711563.0A patent/EP2820228B1/en active Active
- 2013-02-25 AU AU2013225601A patent/AU2013225601B2/en active Active
- 2013-02-25 CA CA2865909A patent/CA2865909C/en active Active
- 2013-02-25 US US14/380,762 patent/US10060194B2/en active Active
Non-Patent Citations (2)
Title |
---|
None * |
See also references of WO2013126936A2 * |
Also Published As
Publication number | Publication date |
---|---|
AT512604A1 (en) | 2013-09-15 |
US20150041216A1 (en) | 2015-02-12 |
PL2820228T3 (en) | 2024-02-19 |
EP2820228C0 (en) | 2023-08-09 |
ES2962569T3 (en) | 2024-03-19 |
EP2820228B1 (en) | 2023-08-09 |
AU2013225601B2 (en) | 2016-02-18 |
WO2013126936A2 (en) | 2013-09-06 |
US10060194B2 (en) | 2018-08-28 |
BR112014021271B1 (en) | 2021-11-30 |
CA2865909A1 (en) | 2013-09-06 |
BR112014021271A2 (en) | 2017-06-20 |
WO2013126936A3 (en) | 2013-12-19 |
AT512604B1 (en) | 2019-05-15 |
CA2865909C (en) | 2019-07-09 |
AU2013225601A1 (en) | 2013-09-06 |
AU2013225601A8 (en) | 2014-10-09 |
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