WO2017213663A1 - Systèmes de télémétrie pour matériel tubulaire - Google Patents

Systèmes de télémétrie pour matériel tubulaire Download PDF

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Publication number
WO2017213663A1
WO2017213663A1 PCT/US2016/036838 US2016036838W WO2017213663A1 WO 2017213663 A1 WO2017213663 A1 WO 2017213663A1 US 2016036838 W US2016036838 W US 2016036838W WO 2017213663 A1 WO2017213663 A1 WO 2017213663A1
Authority
WO
WIPO (PCT)
Prior art keywords
drill pipe
telemetry
segment
clamp
drill
Prior art date
Application number
PCT/US2016/036838
Other languages
English (en)
Inventor
Wolfgang Hartmut NITSCHE
John Laureto MAIDA
Original Assignee
Hailliburton Energy Services, Inc.
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 Hailliburton Energy Services, Inc. filed Critical Hailliburton Energy Services, Inc.
Priority to US16/099,993 priority Critical patent/US20190136640A1/en
Priority to PCT/US2016/036838 priority patent/WO2017213663A1/fr
Publication of WO2017213663A1 publication Critical patent/WO2017213663A1/fr

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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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/006—Accessories for drilling pipes, e.g. cleaners
    • 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
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1035—Wear protectors; Centralising devices, e.g. stabilisers for plural rods, pipes or lines, e.g. for control lines
    • 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
    • E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2/00—Friction-grip releasable fastenings
    • F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
    • F16B2/04—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening internal, i.e. with spreading action
    • 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
    • E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
    • E21B47/14—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
    • E21B47/16—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the drill string or casing, e.g. by torsional acoustic waves

Definitions

  • the present disclosure relates to well drilling and exploration, and more particularly, to telemetry systems for tubulars.
  • telemetry components can be positioned inside well tubulars (e.g. drill pipes) to transmit telemetry signals through terahertz (THz) radiation.
  • segmented (and periodically amplified) optical fibers can be used inside of a conduit or other suitable covering to form telemetry segments that transmit signals.
  • the telemetry segments need to be secured to the tubular before the tubular is placed in the well.
  • FIG. 1 is an illustration of a mobile oil drilling platform associated with a well bore containing a drill pipe constructed in accordance with an embodiment of the subject disclosure, which includes an internal system for transmitting telemetry signals;
  • FIG. 2 is an enlarged localized perspective view of the upper end of the drill pipe shown in FIG. 1, where the drill pipe is partially cut-away to show a telemetry segment clamped adjacent to the interior wall of the drill pipe;
  • FIG. 3 is a perspective view of an embodiment of a clamping device of the subject disclosure in a normally expanded position
  • FIG. 4 is a perspective view of the clamping device shown in FIG. 3 in a compressed position, in which the diameter is reduced for installation with the upper end of a drill pipe;
  • FIG. 5 is a perspective view of the upper end of a first drill pipe
  • FIG. 6 is a perspective view of the upper end of the first drill pipe shown in FIG. 5, where a first telemetry segment is being positioned inside the first drill pipe;
  • FIG. 7 is a perspective view of the upper end of the first drill pipe as shown in FIG. 6, where a compressed clamp is being installed within the upper end portion of the first drill pipe;
  • FIG. 8 is a perspective view of the upper end of the first drill pipe as shown in FIG. 7, but partially cut-away, to show the clamp in an expanded positon within the upper end of the first drill pipe, securing the first telemetry segment adjacent to the interior wall of the first drill pipe;
  • FIG. 9 is a perspective view showing a lower end of a second telemetry segment being connected to an upper end of the first telemetry segment, which has been previously clamped, and showing a second drill pipe being positioned over the second telemetry segment and connecting the second drill pipe to an upper end of the first drill pipe;
  • FIG. 10 is a perspective view of an upper end portion of the second drill pipe of FIG. 9, illustrating the placement of a compressed clamp into the upper end of the second drill pipe;
  • FIG. 11 is a perspective view of the upper end of the second drill pipe of FIG. 10, partially cut-away to show the clamp in an expanded positon within the upper end of the second drill pipe, securing the second telemetry segment adjacent to the interior wall of the second drill pipe;
  • FIG. 12 is a partial perspective view of an embodiment of a clamp which has an inwardly projecting lobe section for accommodating a non-circular telemetry segment;
  • FIG. 13 is a partial perspective view of an embodiment of a clamp which has an inwardly projecting lobe section for accommodating a telemetry cable segment;
  • FIG. 14 is an illustration of a drill pipe constructed in accordance with an embodiment of the subject disclosure, which includes an internal system for transmitting telemetry signals which is secured by clamps;
  • FIG. 15 is a cross-sectional view taken along line 15-15 of FIG. 14, illustrating the interior of a drill pipe section in which the clamp is in intimate engagement with the interior wall of the pipe section with sufficient strength to withstand movement when subjected to drag forces exerted by fluid passing through the drill pipe; and
  • FIG. 16 is an exploded perspective view of a string of coupled telemetry segments for clamping within a stand of three interconnected drill pipes, in accordance with an embodiment of the subject disclosure.
  • FIG 17 is a perspective view of an embodiment of a clamping device in accordance with this disclosure, shown having a spring member positioned between the ends of each arcuate arm.
  • FIG 18 is a perspective view of an embodiment of a clamping device in accordance with this disclosure, shown having a spring member positioned between the ends of each arcuate arm and hinges positioned between each arcuate arm and the lobe member.
  • FIG. 1 is an illustration of a mobile oil drilling platform 10 associated with a well bore 12 containing a drill pipe 14 constructed in accordance with an embodiment of the subject disclosure.
  • the drill pipe 14 includes a plurality of interconnected telemetry segments 16 for transmitting telemetry signals during a drilling operation. While a drill pipe 14 is shown and described, it is appreciated by those skilled in the art the telemetry systems and clamps as described herein can be applied to any suitable well tool/tubular device.
  • telemetry segments may be installed within the interior of a drill pipe such that the telemetry segments stay in position, close to the interior walls of the drill pipes. If the telemetry segments are able to move around freely, they could move toward the center of the drill pipe, where the telemetry segments would be subjected to the greatest mud flow velocity within the pipe, causing unwanted wear and tear on the segments for example. By contrast, the mud flow velocity is much lower closer to the interior walls of the drill pipes.
  • the telemetry segments are floating freely within the drill mud inside of the drill pipe, they might be flushed downwards within the pipe by the mud flow. In this case, a number of telemetry segments could become concentrated at the lower end of the drill pipe, where they might eventually block the drill pipe. Also, the mudflow will likely put strain on freely floating telemetry segments, which could cause them to be pulled apart.
  • FIG. 2 is an enlarged localized perspective view of the upper end of the drill pipe shown in FIG. 1, where the drill pipe is partially cut-away to show a telemetry segment clamped adjacent to the interior wall of the drill pipe.
  • a mechanical clamp 20 is provided to secure a telemetry segment 16 in a fixed position close to the internal wall of a drill pipe 14, adjacent to an upper end portion 45 thereof, as shown in FIG. 2. It is envisioned that one or more additional clamps 20 (e.g., as shown in phantom in FIG.
  • clamp 20 could also be installed in the drill pipe 14 to further secure the telemetry segment 16, and that clamp 20 could be located further down the drill pipe near its mid-section. Any suitable number (e.g., a single clamp 20) and/or placement for the one or more clamps 20 is contemplated herein.
  • the telemetry segment 16 can include a thin metal pipe that has a circular cross-section. However, as discussed below, the shape of the metal pipe of the telemetry segment 16 can vary.
  • the telemetry segments 16 can be used as a waveguide to transmit telemetry signals relating to downhole information relating to the drill string and surrounding geologic formations through THz radiation.
  • the telemetry segments can be in the form of an optical fiber positioned within a sheath or conduit.
  • FIG. 3 is a perspective view of an embodiment of a clamping device of the subject disclosure in an expanded position.
  • the mechanical clamp 20 has a clamp body 22 for conforming to an interior of a generally circular tubular member such as the inner diameter (ID) of the drill pipe 14 of FIG. 2.
  • the clamp body 22 is not required to form a true circle but a portion of the clamp body 22 is arcuate and may be substantially circular as shown to facilitate conforming to a tubular member when inserted therein.
  • the clamp body 22 includes a pair of arcuate arms 24, 26 that are intended to engage and generally conform to the ID of a tubular member.
  • the arcuate arms 24, 26 as illustrated have a smooth (optionally semi-circular) shape to facilitate fluid flow through a tubular member.
  • the arms 24, 26 could alternately have a non-smooth (e.g. slightly undulating or wavy) shape, but with an overall shape that would still generally conform to the interior of such a tubular member.
  • the arcuate arms 24, 26 can be circumferentially spaced about a center of the clamp body 22, such that each arm 24, 26 engages the ID of the drill pipe 14 (FIG 2) or other tubular member at different circumferential locations.
  • the arcuate arms 24, 26 are circumferentially spaced at approximately 180 degrees to engage corresponding locations of the tubular member, with a reaction force directed substantially radially inward toward an approximate center of the clamp body 22; in that context, the arcuate arms 24, 26 may be described as diametrically opposed.
  • the arcuate arms 24, 26 may be described as opposed or diametrically opposed, by way of example, with the understanding that a suitable circumferential spacing of the arcuate arms or circumferential spacing of locations of the tubular member engaged by the arms 24, 26 may be greater or less than 180 degrees.
  • the opposed arcuate arms 24, 26 can have free ends 34, 36, respectively, forming an arcuate gap there between. Furthermore, the opposed arcuate arms 24, 26 are connected to one another through a radially inwardly projecting lobe section 40 which is dimensioned and configured to accommodate a telemetry segment 16. The lobe section 40 is diametrically opposed to the arcuate gap formed between the free ends 34, 36 of arcuate arms 24, 26.
  • FIG. 4 is a perspective view of the clamping device shown in FIG. 3 in compressed position, in which the diameter is reduced for installation with the upper end of a drill pipe.
  • the clamp body 22 can be moveable between a compressed position for installation within a drill pipe 14 in which the free ends 34, 36 of the opposed arcuate arms 24, 26 are approximated toward one another, as shown in FIG. 4, and an expanded position for deployment within the drill pipe in which the opposed arcuate arms 24, 26 are normally biased away from one another into intimate engagement with an interior wall 44 of the drill pipe 14, as shown in FIGS. 2 and 3.
  • the free ends 34, 36 of arm portions 24, 26 are approximated toward one another compressing the clamp 20, it may be necessary to overlap the free ends 34, 36 to sufficiently reduce the overall diameter of the clamp 20 for installation in the drill pipe 14.
  • the clamp 20 can be positioned within and fixed to the drill pipe 14 in any suitable manner.
  • the clamp 20 can be biased via a spring member (e.g., integral with and/or forming all or part of the arms 24, 26/lobe section 40, and/or through a separate biasing member) to push against the interior walls 44.
  • the clamp 20 can be constructed from a metallic material and/or any other suitable material that has mechanical characteristics and a sufficient thickness to withstand movement between the expanded position of FIG. 3 and the radially compressed position of FIG. 4 without permanently deforming so that the clamp 20 provides a bias due to its own material properties when allowed to expand within the tubular.
  • the entire clamp 20, one or more of the arms 24, 26, or any suitable portion of the lobe section 40 can be constructed from a resilient material (e.g., stainless steel or any other suitable metal). It is not necessary that the entire clamp 20 be made of a resilient material, e.g., one or more portions of arms 24, 26 and/or the lobe section 40 can include a resilient material that resists deformation of the arms 24, 26.
  • the clamp 20 may also have a vertical width that is sufficient to prevent rotational movement of the clamp 20 about an axis extending perpendicular to a longitudinal axis of the drill pipe 14 when the clamp 20 is in the expanded position shown in FIG. 2.
  • the spring member that biases the clamp 20 can include a separate spring member.
  • a clamping device 1720 includes a spring member 1721a positioned between free ends 1734, 1736 of the opposed arcuate arms 1724, 1726.
  • the device 1720 can be made of any suitable material and need not have spring-like material properties as described above.
  • the spring member 1721a can include any suitable spring (e.g., a coil spring) and can have any suitable spring constant.
  • the spring member 1721a can be positioned on any other suitable portion of the device 1820.
  • an embodiment of a clamping device 1820 includes one or more hinges 1821b positioned between the inwardly projecting lobe 1840 and the free ends 1834, 1836 of the opposed arcuate arms 1824, 1826.
  • the one or more hinges 1821b allow one or more of the arcuate arms 1824, 1826 to rotate relative to the inwardly projecting lobe 1840, e.g., between a closed position and an open position (as shown) to provide a clamping force against the tubular.
  • One or more spring members 1821a can be positioned between the free ends 1834, 1836 as shown to bias the arcuate arms to the open position.
  • the one or more spring members 1821a can be positioned on and/or within any other suitable portion of the device 1820 (e.g., one or more rotational springs positioned within the hinges 1821b). While the clamp 20 is shown as being deformed and allowed to expand to be biased against the interior wall 44, it is contemplated that the clamp 20 can be non-resilient and may require one or more suitable fasteners (e.g., screws, bolts) and/or any other suitable attachment (e.g., one or more adhesives, magnets, cement) to fix the clamp 20 to the interior wall 44 of the tubular.
  • suitable fasteners e.g., screws, bolts
  • any other suitable attachment e.g., one or more adhesives, magnets, cement
  • the clamp 20 and/or attachments that affix the clamp 20 can have mechanical and/or material properties that are sufficient to prevent movement of the clamp 20 relative to the interior wall 44 of the drill pipe 14 when it is subjected to drag forces exerted by fluid or drilling mud passing through the drill pipe 14 when the clamp 20 is in the expanded position, as illustrated for example in FIGS. 14 and 15.
  • the clamp 20 can be mechanically fixed to and/or biased with sufficient spring force against the interior wall 44 to produce attachment/frictional forces that prevent movement of the clamp 20 when there is a fluid flow (e.g., a mud flow) in the tubular.
  • FIG. 5 is a perspective view of the upper end of a first drill pipe 114.
  • FIG. 6 is a perspective view of the upper end of the first drill pipe 114 shown in FIG. 5, where a first telemetry segment 116 is being positioned inside the first drill pipe 114.
  • FIG. 7 is a perspective view of the upper end of the first drill pipe 114 as shown in FIG. 6, where a compressed clamp 120 is being installed within the upper end portion of the first drill pipe 114.
  • FIG. 8 is a perspective view of the upper end of the first drill pipe 114 as shown in FIG. 7, but partially cutaway, to show the clamp 120 in an expanded positon within the upper end of the first drill pipe 114, securing the first telemetry segment 116 adjacent to the interior wall of the first drill pipe 114.
  • a first drill pipe 114 is provided in a bore hole 112, as shown in FIG. 5. Then, a first telemetry segment 116 is positioned inside the first drill pipe 114, as shown in FIG. 6. The first telemetry segment 116 is then clamped adjacent to an interior wall 144 of the first drill pipe 114 by a first mechanical clamp 120, close to the upper end portion 145 of pipe 114. More particularly, the clamp 120 is radially compressed by approximating the free end 134, 136 of arcuate arms 124, 126 to reduce its diameter, as shown in FIG. 7.
  • the telemetry segment 116 is positioned within the radially inwardly projecting lobe section 140 of clamp 120, as shown in FIG. 8 and the clamp 120 is allowed to expand to hold the telemetry segment 116 within the drill pipe 114.
  • FIG. 9 is a perspective view showing a lower end of a second telemetry segment 216 being connected to an upper end of the first telemetry segment 116, which has been previously clamped, and showing a second drill pipe 214 being positioned over the second telemetry segment 216 and connecting the second drill pipe 214 to an upper end of the first drill pipe 114.
  • FIG. 10 is a perspective view of an upper end portion of the second drill pipe 214 of FIG. 9, illustrating the placement of a compressed clamp 220 into the upper end of the second drill pipe 214.
  • FIG. 11 is a perspective view of the upper end of the second drill pipe of FIG. 10, partially cut-away to show the clamp 220 in an expanded positon within the upper end of the second drill pipe 214, securing the second telemetry segment 216 adjacent to the interior wall of the second drill pipe 214.
  • the second telemetry segment 216 can be coupled (e.g., threadably, plug-in, snap connected, bayonet connected) to an upper end of the first telemetry segment 116.
  • the second drill pipe 214 can be positioned over the second telemetry segment 216 and the second drill pipe 214 can be connected (e.g., threadably) to an upper end portion 145 of the first drill pipe 114.
  • the second telemetry segment 216 will not get damaged or bent, because it has not yet been secured or otherwise clamped adjacent to the second drill pipe 214.
  • the second telemetry segment 216 can freely slip relative to the second drill pipe 214 at this point in the assembly process.
  • the second telemetry segment 216 is clamped adjacent to an interior wall 244 of the second drill pipe 214 by installing a second mechanical clamp 220 therein, close to the upper end portion 245 of the second drill pipe 214, as shown in FIG. 10.
  • the second clamp 220 is shown holding the second telemetry segment 216 in place.
  • FIG. 12 is a partial perspective view of an embodiment of a clamp 420 which has an inwardly projecting lobe 440 section for accommodating a non-circular telemetry segment 416.
  • the radially inwardly projecting lobe section 440 is dimensioned and configured to accommodate a non-circular telemetry segment 416.
  • telemetry segment 416 includes a thin metal pipe that has a generally rectangular configuration.
  • FIG. 13 is a partial perspective view of an embodiment of a clamp 520 which has an inwardly projecting lobe section 540 for accommodating a telemetry cable segment 516.
  • the radially inwardly projecting lobe section 540 that is dimensioned and configured to accommodate a telemetry segment 516 in the form of a jacketed optical cable.
  • telemetry segment 516 includes a flexible outer sheath or conduit that has a circular
  • FIG. 14 is an illustration of a drill pipe 14 constructed in accordance with an embodiment of the subject disclosure, which includes an internal system for transmitting telemetry signals which is secured by clamps 20.
  • FIG. 15 is a cross- sectional view taken along line 15-15 of FIG. 14, illustrating the interior of a drill pipe 14 in which the clamp 20 is in intimate engagement with the interior wall of the pipe section with sufficient strength to withstand movement when subjected to drag forces exerted by fluid passing through the drill pipe 14.
  • FIG. 16 is an exploded perspective view of a string of coupled telemetry segments for clamping within a stand of three interconnected drill pipes, in accordance with an embodiment of the subject disclosure. It is envisioned that the mechanical clamp of the subject disclosure can be utilized to secure a one or more telemetry segments (e.g., a string of coupled telemetry segments) within a stand of drill pipes, as illustrated in FIG. 16.
  • a one or more telemetry segments e.g., a string of coupled telemetry segments
  • a stand 614 of at least two (e.g., three) connected drill pipes 614a-614c can be provided, a string 616 of at least two (e.g., three) coupled telemetry segments 616a-616c can be positioned inside the stand of connected drill pipes 614, and the string of coupled telemetry segments 616 can be secured adjacent to an interior wall of an uppermost drill pipe 614a in the stand of connected drill pipes 614 by a mechanical clamp 620.
  • any suitable number of telemetry segments can be utilized with any suitable number of tubulars. For example if each drill pipe has a length of 10 meters, and a stand of three drill pipes is used, then the length of the stand is 30 meters. In this case three telemetry segments each having a length of 10 meters could be utilized. Alternatively, for example, a single telemetry segment having a length of 30 meters can be utilized, and in that case only a single telemetry segment for the entire 30 meter stand can be utilized.
  • a device for securing a telemetry segment in a drill pipe includes a pair of diametrically opposed arcuate arms for outwardly engaging an interior wall of the drill pipe, the diametrically opposed arcuate arms being interconnected to one another by a radially inwardly projecting lobe section for capturing the telemetry segment between the lobe section and the interior wall of the drill pipe.
  • the device can further include a spring element for biasing the arcuate arms into outward
  • the spring element can be positioned between an end of each of the arcuate arms.
  • the spring element includes at least a portion of one or more of the arcuate arms and/or the lobe section.
  • the spring member provides a spring force sufficient to cause frictional engagement greater than a predetermined force exerted by a fluid flow through the drill pipe when the device is outwardly engaged to the interior wall of a drill pipe.
  • a drill pipe assembly can include an elongated drill pipe having an interior bore defined by an interior wall, a telemetry segment for installation within the interior bore of the drill pipe, and a device for securing the telemetry segment in the drill pipe, comprising a pair of diametrically opposed arcuate arms for outwardly engaging an interior wall of the drill pipe, the diametrically opposed arcuate arms being interconnected to one another by a radially inwardly projecting lobe section for capturing the telemetry segment between the lobe section and the interior wall of the drill pipe.
  • the assembly can include a spring element for biasing the arcuate arms into outward engagement with the interior wall of the drill pipe, wherein the arcuate arms interconnected by the lobe section are moveable against the biasing of the spring element to a compressed position for installation within a drill pipe.
  • a method for clamping a telemetry segment in a drill pipe includes providing a first drill pipe, positioning a first telemetry segment inside the first drill pipe, and clamping the first telemetry segment adjacent to an interior wall of the first drill pipe.
  • the method can include connecting a second telemetry segment to an upper end of the first telemetry segment.
  • the method can include positioning a second drill pipe over the second telemetry segment and connecting the second drill pipe to an upper end of the first drill pipe.
  • the method can include clamping the second telemetry segment adjacent to an interior wall of the second drill pipe.
  • clamping can include installing a first clamp in the first drill pipe proximate to an upper end of the first drill pipe, wherein the first clamp includes a section for accommodating the first telemetry segment.
  • installing a first clamp in the first drill pipe can include moving the first clamp from a normally expanded position to a compressed position.
  • installing a first clamp in the first drill pipe can include returning the first clamp to the normally expanded position from the compressed position.
  • clamping can include installing another clamp in the first drill pipe in a medial section of the drill pipe for accommodating the first telemetry segment.
  • clamping the second telemetry segment can include installing a second clamp in the second drill pipe proximate to an upper end of the second drill pipe, wherein the second clamp includes a section for accommodating the second telemetry segment.
  • a method for clamping one or more telemetry segments within a stand of drill pipes can include providing a stand of at least two connected drill pipes, positioning one or more telemetry segments inside the stand of connected drill pipes, and clamping the one or more telemetry segments adjacent to an interior wall of an uppermost drill pipe in the stand of connected drill pipes.
  • clamping can include installing a clamp in the uppermost drill pipe in the stand of connected drill pipes proximate to an upper end of the uppermost drill pipe, wherein the clamp includes a section for accommodating the one or more telemetry segments.
  • clamping can include installing a clamp in the uppermost drill pipe in the stand of connected drill pipes includes moving the clamp from a normally expanded position to a compressed position.
  • installing a clamp in the uppermost drill pipe in the stand of connected drill pipes further can include returning the clamp to the normally expanded position from the compressed position.

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  • 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)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Geophysics (AREA)
  • Earth Drilling (AREA)

Abstract

Cette invention concerne un dispositif de fixation d'un segment de télémétrie dans un tube de forage, comprenant une paire de bras arqués diamétralement opposés destinés à venir en contact vers l'extérieur avec une paroi intérieure du tube de forage, les bras arqués diamétralement opposés étant interconnectés l'un à l'autre par une section de lobe faisant saillie radialement vers l'intérieur pour capturer le segment de télémétrie entre la section de lobe et la paroi intérieure du tube de forage.
PCT/US2016/036838 2016-06-10 2016-06-10 Systèmes de télémétrie pour matériel tubulaire WO2017213663A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US16/099,993 US20190136640A1 (en) 2016-06-10 2016-06-10 Telemetry systems for tubulars
PCT/US2016/036838 WO2017213663A1 (fr) 2016-06-10 2016-06-10 Systèmes de télémétrie pour matériel tubulaire

Applications Claiming Priority (1)

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PCT/US2016/036838 WO2017213663A1 (fr) 2016-06-10 2016-06-10 Systèmes de télémétrie pour matériel tubulaire

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