WO2011025488A1 - Sabot de tubage - Google Patents

Sabot de tubage Download PDF

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Publication number
WO2011025488A1
WO2011025488A1 PCT/US2009/055193 US2009055193W WO2011025488A1 WO 2011025488 A1 WO2011025488 A1 WO 2011025488A1 US 2009055193 W US2009055193 W US 2009055193W WO 2011025488 A1 WO2011025488 A1 WO 2011025488A1
Authority
WO
WIPO (PCT)
Prior art keywords
casing shoe
cutter
nose
composite material
injection mold
Prior art date
Application number
PCT/US2009/055193
Other languages
English (en)
Inventor
Earl D. Webb
Dave D. Szarka
Jesse M. Baggett
Hank E. Rogers
Original Assignee
Halliburton 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 Halliburton Energy Services, Inc. filed Critical Halliburton Energy Services, Inc.
Priority to PCT/US2009/055193 priority Critical patent/WO2011025488A1/fr
Publication of WO2011025488A1 publication Critical patent/WO2011025488A1/fr

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
    • E21B17/14—Casing shoes for the protection of the bottom of the casing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14065—Positioning or centering articles in the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14467—Joining articles or parts of a single article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14065—Positioning or centering articles in the mould
    • B29C2045/14114—Positioning or centering articles in the mould using an adhesive

Definitions

  • casing strings that are lowered into a wellbore and the casing strings are sometimes at least partially cemented into position within the wellbore.
  • the casing strings may comprise a casing shoe attached to a generally leading or lowermost portion of the casing string.
  • the casing shoe may be used to guide the casing string past obstructions in the path of the casing string as the casing string is lowered into the wellbore.
  • casing shoes may comprise a generally cylindrical body attached to a tapered nose.
  • Some casing shoes may comprise a float valve at least partially carried within one or both of the body and nose.
  • some of the bodies and/or noses may include protrusions that assist in guiding the casing string past obstructions as the casing string is lowered into the wellbore.
  • a casing shoe comprising a body, a nose connected to the body, and at least one composite protrusion attached to at least one of the body and the nose.
  • Also disclosed herein is a method of constructing a casing shoe, comprising preparing a surface of at least one of a body and a nose of the casing shoe, covering at least a portion of the prepared surface with an injection mold, and injecting a composite material into a space between the prepared surface and the injection mold.
  • a method of constructing a casing shoe comprising providing an injection mold for forming at least one of a nose of the casing shoe and a body of the casing shoe, attaching at least one cutter to an interior wall of the injection mold, with the exception of at least one bleed aperture and at least one input port, substantially sealing an internal space of the injection mold, and injecting a composite material into the internal space so that the cutter is at least partially embedded within the composite material.
  • Figure 1 is a cut-away view of an embodiment of a wellbore servicing system according to an embodiment
  • Figure 2 is an oblique view of a casing shoe according to an embodiment
  • Figure 3 is an oblique view of a casing shoe according to another embodiment
  • Figure 4 is a cross-sectional view of the casing shoe of Figure 3;
  • Figure 5 is an oblique view of a casing shoe according to another embodiment
  • Figure 6 is an oblique view of a casing shoe according to another embodiment
  • Figure 7 is an oblique view of a casing shoe according to another embodiment
  • Figure 8A is a partial simplified cut-away view of a first step of constructing a casing shoe
  • Figure 8B is a partial simplified cut-away view of a second step of constructing the casing shoe of Figure 8A;
  • Figure 8C is a partial simplified cut-away view of a third step of constructing the casing shoe of Figure 8A;
  • Figure 8D is a partial simplified cut-away view of a fourth step of constructing the casing shoe of Figure 8A;
  • Figure 8E is a partial simplified cut-away view of a fifth step of constructing the casing shoe of Figure 8A.
  • Figure 8F is a partial simplified cut-away view of a sixth step of constructing the casing shoe of Figure 8A.
  • any use of any form of the terms “connect,” “engage,” “couple,” “attach,” or any other term describing an interaction between elements is not meant to limit the interaction to direct interaction between the elements and may also include indirect interaction between the elements described.
  • the terms “including” and “comprising” are used in an open-ended fashion, and thus should be interpreted to mean “including, but not limited to ". Reference to up or down will be made for purposes of description with “up,” “upper,” “upward,” or “upstream” meaning toward the surface of the wellbore and with “down,” “lower,” “downward,” or “downstream” meaning toward the terminal end of the well, regardless of the wellbore orientation.
  • zone or “pay zone” as used herein refers to separate parts of the wellbore designated for treatment or production and may refer to an entire hydrocarbon formation or separate portions of a single formation such as horizontally and/or vertically spaced portions of the same formation.
  • the operating environment comprises a drilling rig 106 that is positioned on the earth's surface 104 and extends over and around a wellbore 114 that penetrates a subterranean formation 102 for the purpose of recovering hydrocarbons.
  • the wellbore 114 may be drilled into the subterranean formation 102 using any suitable drilling technique.
  • the wellbore 114 extends substantially vertically away from the earth's surface 104 over a vertical wellbore portion 116, deviates from vertical relative to the earth's surface 104 over a deviated wellbore portion 136, and transitions to a horizontal wellbore portion 118.
  • a casing string 120 comprising casing shoe 200 is lowered into the subterranean formation 102 in a conventional manner and may subsequently be secured within the wellbore 114 by filling an annulus 112 between the casing string 120 and the wellbore 114 with cement.
  • a horizontal wellbore portion may be cased and cemented and/or portions of the wellbore may be uncased.
  • the drilling rig 106 comprises a derrick 108 with a rig floor 110 through which the casing string 120 extends downward from the drilling rig 106 into the wellbore 114.
  • the drilling rig 106 comprises a motor driven winch and other associated equipment for extending the casing string 120 into the wellbore 114 to position the casing shoe 200 at a selected depth.
  • FIG. 1 While the operating environment depicted in Figure 1 refers to a stationary drilling rig 106 for lowering and setting the casing string 120 and casing shoe 200 within a land-based wellbore 114, in alternative embodiments, mobile workover rigs, wellbore servicing units (such as coiled tubing units), and the like may be used to lower the casing string 120 and casing shoe 200 into a wellbore. It should be understood that a casing string 120 and casing shoe 200 may alternatively be used in other operational environments, such as within an offshore wellbore operational environment.
  • the casing shoe 200 serves to aid in guiding the casing string 120 through the wellbore 114.
  • the casing shoe 200 comprises a body 202 and a tapered nose 204 attached to the body 202.
  • the body 202 carries protruding vanes 206 that serve to both centralize the casing shoe 200 within the wellbore 114 and to remove obstructions in the path of the casing shoe 200 as the casing shoe 200 is moved into position within the wellbore 114.
  • the tapered nose 204 also serves to guide the casing shoe 200 past obstructions.
  • the obstructions may be ledges which form in the wellbore 114 while boring the wellbore 114, formation washouts, debris from unstable sections of the wellbore 114 wall collapsing, or any other matter native to the wellbore 114. It will further be appreciated that other obstructions may be objects or debris foreign to the wellbore 114 that were introduced to the wellbore 114, accidentally or purposefully, during creation and/or treatment of the wellbore 114.
  • casing shoe 200 may also be referred to by some as a "reamer shoe” at least in part because the casing shoe 200 may be rotated generally about a central axis 208 of the casing shoe 200 or reciprocated along the length of the wellbore 114 (e.g., up and down) to remove and/or pass the above-described obstructions.
  • casing shoe 200 comprises a central axis 208.
  • the body 202 comprises a generally cylindrical tubular shape having a threaded fitting 210 sized and shaped to connect to the casing string 120 in a conventional manner.
  • the body 202 further comprises a reduced outer diameter neck 212 that extends from the fitting 210.
  • the body 202 is constructed of steel and is formed as a unitary piece by conventional methods such as casting and/or machining.
  • the neck 212 is further configured to connect to the nose 204 in a conventional manner.
  • the neck 212 may comprise threads for receiving complementary threads of the nose 204.
  • the body 202 and nose 204 comprise an internal bore 214 that extends generally along the central axis 208 and may be used to transmit fluid therethrough.
  • the casing shoe 200 comprises lateral apertures 216 that extend at least partially radially from an exterior of the nose 204 to the bore 214.
  • the casing shoe 200 further comprises a plurality of vanes 206 that extend generally along the longitudinal length of the neck 212. It will be appreciated that vanes 206 may be referred to as "protrusions" since the vanes 206 protrude from an outer surface of the neck 212.
  • a "composite protrusion” may refer to any component and/or element (e.g., a vane) that comprises a composite material and which generally extends from an exterior surface of a casing shoe.
  • Vanes 206 each generally comprise a base layer 218 and a cutting layer 220. It will be appreciated that the base layer 218 comprises primarily a composite material while the cutting layer 220 further comprises relatively harder cutting elements disposed within the composite material.
  • the composite material may comprise a ceramic based resin, for example, but not limited to, the types disclosed in U.S. Patent Application Publication Nos. US 2005/0224123 Al, entitled “Integral Centraliser” and published on October 13, 2005, and US 2007/0131414 Al, entitled “Method for Making Centralizers for Centralising a Tight Fitting Casing in a Borehole” and published on June 14, 2007.
  • the resin material may include bonding agents such as an adhesive or other curable components.
  • components to be mixed with the resin material may include a hardener, an accelerator, or a curing initiator.
  • a ceramic based resin composite material may comprise a catalyst to initiate curing of the ceramic based resin composite material.
  • the catalyst may be thermally activated.
  • the mixed materials of the composite material may be chemically activated by a curing initiator.
  • the composite material may comprise a curable resin and ceramic particulate filler materials, optionally including chopped carbon fiber materials.
  • a compound of resins characterized by a high mechanical resistance, a high degree of surface adhesion and resistance to abrasion by friction, and an elasticity of the compound in a final form may be higher than the elasticity of the casing shoe components to which it is attached.
  • the composite material may be provided prior to injection and/or molding as separate two-part raw material components for admixing during injection and/or molding and whereby the whole can be reacted.
  • the reaction may be catalytically controlled such that the various components in the separated two parts of the composite material will not react until they are brought together under suitable injection and/or molding conditions.
  • one part of the two-part raw material may include an activator, initiator, and/or catalytic component required to promote, initiate, and/or facilitate the reaction between the whole mixed composition.
  • the appropriate balance of components may be achieved in a mold by use of pre-calibrated mixing and dosing equipment.
  • the composite material may comprise carbon fiber and/or any other discrete structural elements disposed within an epoxy and/or any other suitable selectively hardenable material that may be injected prior to hardening.
  • the cutting elements may comprise tungsten carbide, natural or synthetic diamond (e.g., industrial grade diamonds, bort, etc.), tool steel fabricated inserts, or any other suitably hard material for degrading obstructions encountered by the cutting elements.
  • the cutting elements comprise crushed and/or granulated tungsten carbide.
  • the vanes 206 may have substantially constant widths and/or thicknesses of base layers 218 and cutting layers 220. In alternative embodiments, the vanes 206 may have varying widths and/or thicknesses of base layers 218 and cutting layers 220. In an embodiment, the vanes 206 each comprise a leading side 222 and a trailing side 224, with leading side generally referring to the direction of rotation about the central axis 208 (e.g., clockwise rotation). As shown in Figure 2, the thickness of layers 218, 220 may vary from the leading side 222 to the trailing side 224.
  • the thickness of the cutting layer 220 is greater at the leading side 222 as compared to the thickness of the cutting layer 220 at the trailing side 224. In this embodiment, the thickness of the cutting layer 220 generally decreases in a linear manner across the width of a vane 206. Conversely, the thickness of the base layer 218 is less at the leading side 222 as compared to the thickness of the base layer 218 at the trailing side 224. In this embodiment, the thickness of the base layer 218 generally increases in a linear manner across the width of a vane 206.
  • the overall height of vanes 206 (i.e., the distance the vanes radially protrude away from the neck 212 as represented by the combined thickness of the base layer 218 and the cutting layer 220) is substantially constant. It will be appreciated that providing such a thicker cutting layer 220 near a leading side 222 may be advantageously employed by rotating the casing shoe 200 about the central axis 208 so that the leading side 222 of a vane 206 is first to encounter an obstruction as compared to a time when a trailing side 224 of the same vane 206 encounters the obstruction.
  • the tapered ends 226 may provide enhanced obstruction removal and may limit damage to the vanes 206.
  • the thickness of the cutting layer 220 may be increased at the downhole tapered ends 226 (e.g., those closest to the nose 204) in comparison to the thickness of the uphole tapered ends (e.g., those closest to the threaded fitting 210) to extend service life of the leading edges of the vanes coming into contact with obstructions during longitudinal reciprocation of the casing shoe.
  • vane 300 of Figures 3 and 4 comprises a single base layer 218 that is formed around cutter elements 302.
  • cutter elements 302 are formed substantially as solid cylinders.
  • cutter elements 302 may comprise any other suitable shape.
  • the vanes 300 may be formed according to a method so that the cutter elements are held in place as the base layer 218 is formed around the cutter elements 302 so that the cutter elements 302 are fixed in their location at the time of forming the base layer 218.
  • the cutter elements 302 are shown as extending radially from the neck 212 and beyond the exterior of the vane 300.
  • the cutter elements 302 may not extend so fully through the base layer 218, that is base layer 218 may extend under cutter elements 302 and obstruct complete or partial contact of cutter elements 302 with neck 212.
  • an adhesive layer may be placed between cutter elements 302 and neck 212, thereby adhering cutter elements 302 to neck 212, and base layer 218 may be further disposed and formed about the adhered cutter elements 302 to form vanes 300.
  • the cutter elements 302 are constructed of tungsten carbide in an embodiment, and in alternative embodiments, the cutter elements 302 may be constructed of any other suitable material or combination of materials.
  • the casing shoe 400 comprises a substantially cylindrical tubular body 402 connected to a substantially frusto-conical tubular nose 404.
  • vanes 300 of the type shown in Figures 3 and 4 are attached to the nose 404 so that lower most tapered ends 226 extend to near a tip end 406 of nose 404.
  • vanes 300 of Figure 5 are replaced with layered vanes 206 of the type shown in Figure 2.
  • the nose 404 is constructed of aluminum but that in alternative embodiments, the nose 404 may be constructed of any other suitable material (e.g., a drillable material, consumable material, degradable material, etc.).
  • a casing shoe 200 is shown as comprising vanes 500 (protrusions) according to an alternative embodiment.
  • Vanes 500 are substantially similar in form and function to vanes 206 of Figure 2 and/or vanes 300 of Figures 3 and 4, however, the vanes 500 do not simply extend longitudinally along the length of neck 212. Instead, vanes 500 each generally comprise an extended "S" shape that meanders along the neck 212 about the central axis 208. The vanes 500 are angularly spaced about the surfaces of the neck 212 so that corresponding "S" shaped channels 502 are formed between adjacent vanes 500. Vanes 500 further comprise tapered ends 226.
  • the upper and lower ends of the vanes 500 are oriented generally parallel to the central axis 208. Accordingly, the vanes 500 may be advantageously utilized by longitudinally reciprocating the casing shoe 200 to remove obstructions in a manner that simple reciprocation of vanes 206, 300, could not otherwise achieve without rotation of casing shoe 200 about central axis 208.
  • Casing shoe 600 substantially similar to the reamer shoe disclosed in European Patent No. EP 1235971 Bl (which is hereby incorporated by reference in its entirety) is shown.
  • Casing shoe 600 comprises a body 602, a reaming area 604 comprising diamond shaped tungsten carbide reaming members 606 (protrusions), centralizers 608, flow ports 612, and an eccentrically shaped nose 614.
  • the reaming members 606 and/or the centralizers 608 are arranged to provide fluid flow channel along the outside surface of the reamer shoe.
  • one or more of the centralizers 608 and/or the reaming members 606 may be constructed according to any of the methods described herein.
  • the reaming members 606 and/or the centralizers 608 may comprise base layers 218 and cutting layers 220 of vanes 206 in Figure 2 and/or cutter elements 302 and base layer 218 of vanes 300 of Figures 4 and 5.
  • an attachment surface 700 of the casing shoe (e.g., outer surface of the neck and/or outer surface of the nose) may be prepared for attachment of a protrusion/projection (e.g., vane, reaming member, centralizer, etc.) thereto.
  • a protrusion/projection e.g., vane, reaming member, centralizer, etc.
  • the attachment surface is metallic, for example steel.
  • the attachment surface 700 may be corrugated, stippled, or otherwise roughened to more easily bond to a composite resin material.
  • an injection mold 702 configured suitably to provide the shape of a projection/protrusion (e.g., vane, reaming member, centralizer, etc.) may be provided with an adhesive 704 on an interior surface of the mold 702.
  • cutting elements 706 may be introduced to the adhesive 704 so that the cutting elements 706 are releasably adhered to and move substantially in unison with the mold 702.
  • the mold 702 may be moved into a closer relationship with (e.g., proximate or adjacent to) the attachment surface 700 and generally be sealed against the attachment surface 700.
  • a base layer material 708 e.g., the above-described ceramic based resin material
  • the base layer 708 may flow about and form a coating layer on attachment surface 700, while leaving an open space between the base layer 708 and the interior surface of the mold 702 where the volume of base layer material introduced is less than the volume of void space between the mold
  • the door 710 may be opened and further cutting elements 706 may be introduced into the space between the mold 702 and the attachment surface 700, for example embedded with the base layer 708.
  • an adhesive 704 may be present and/or attached to an inside surface of the door 710 and cutter elements 706 may be introduced to the adhesive 704 that is attached to the door 710.
  • the door 710 may be closed and sealed. Subsequently, additional base layer material 708 may be introduced to the space between the mold 702 and the attachment surface 700. Such amount of material may be equal to or less than an amount of fill the void space between the mold 702 and the attachment surface 700, and may be selected to leave a desired about of cutter elements 706 exposed.
  • the mold 702 may be unsealed from the casing shoe.
  • the adhesive 704 e.g., double sided tape in some embodiments
  • the cutter elements 706 leaving them at least partially embedded within the hardened base layer material 708.
  • the adhesive 704 and other adhesives described in this disclosure may comprise any suitable material or device, including, but not limited to, tapes, glues, and/or hardenable materials such as room temperature vulcanizing silicone.
  • some of the cutter elements 706 extend a substantially equal radial distance from the attachment surface 700, for example forming a unitary surface layer 711 as shown in Figure 8F.
  • some of the cutter elements may be distributed throughout the entire thickness of the base layer as shown by cutter element group 712 of Figure 8F.
  • the cutter element group 712 shows both fully embedded and partially embedded cutter elements.
  • cutter elements 706 comprise tungsten carbide that has been crushed to a gravel-like state while cutter element 706' is a substantially cylindrical tungsten carbide structure.
  • cutter element 706' comprises a reduced cross- sectional area 720 located at least partially further away from the attachment surface 700 as compared to a lower larger cross-sectional area 722.
  • Such positioning of the cross-sectional areas 720, 722 may provide enhanced securing of the cutter element 706' within the base layer material 708.
  • the length of the cutter element 706' may be selected such that base layer material 708 prevents direct contact with the attachment surface 700.
  • the length of the cutter element 706' may be selected such that the cutter element is in direct contact with the attachment surface 700 and/or the cutter element 706' may be forced into direct contact, for example during placement via door 710.
  • the various aspects of the method of forming the projection/protrusion may be selected to achieve the desired combination and layout of the base layer material 708 and cutter elements 706 as described herein (e.g., various combinations of cylindrical cutter elements 706', surface layers 711, and/or cutter element groups 712 to form vanes, reaming members, centralizers, etc. as described herein).
  • combinations of the above- described casing shoe bodies, noses, vanes, and/or protrusions may be singularly formed in a unitary manner through an injection molding process using a composite material.
  • a nose of a casing shoe may be formed of composite material at the same time composite protrusions are formed integrally on that nose.
  • a body of a casing shoe may be formed of composite material at the same time composite protrusions are formed integrally on that body.
  • an entire casing shoe may be formed of composite material so that composite protrusions are formed on one or both of the body and nose of that casing shoe.
  • one or more of the above-described bodies, noses, and/or protrusions may be configured to retain cutter elements (such as but not limited to cutter elements 706) in any one of the above-described manners.
  • Such integral and unitary formation of casing shoes and/or casing shoe components through injection molding may be accomplished according to the following method.
  • an injection mold may be provided that has appropriate internal geometry for forming at least one of a nose of the casing shoe and a body of the casing shoe.
  • a cutter and/or cutter elements may be placed within the injection mold. It will be appreciated that the cutter and/or cutter elements may be loosely carried within the injection mold and/or the cutter and/or cutter elements may be attached to an interior wall of the injection mold. With the cutter and/or cutter elements in place within the injection mold, the internal space of the injection mold may be sealed off except to leave at least one input port open and at least one bleed aperture open.
  • the input port serves to allow introduction of composite material into the internal space of the injection mold while the bleed aperture allows fluid and/or material displaced by the injected composite material to escape the internal space of the injection mold.
  • the bleed aperture may also be used to allow passage of excess injected composite material.
  • bodies, noses, protrusions and/or other components of casing shoes may be formed around or placed concurrently with the cutters and/or cutting elements.
  • the injection mold may be shaped to provide protrusions extending from the body and/or nose of the casing shoe.
  • any of the above-described casing shoes may be formed integrally in an injection mold process.
  • cutters and/or cutter elements may also be introduced into the interior space of the injection mold after some composite material has been introduced into the interior space of the injection mold.
  • R R ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

Sabot (200) de tubage comportant un corps (202), un nez (204) relié au corps et au moins une protubérance (206) en composite fixée au corps et / ou au nez. L'invention concerne également un procédé de construction d’un sabot de tubage, comportant les étapes consistant à préparer une surface (700) du corps et /ou du nez du sabot de tubage, à recouvrir au moins une partie de la surface préparée avec un moule (702) d’injection et à injecter un matériau composite (708) dans un espace ménagé entre la surface préparée et le moule d’injection.
PCT/US2009/055193 2009-08-27 2009-08-27 Sabot de tubage WO2011025488A1 (fr)

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Application Number Priority Date Filing Date Title
PCT/US2009/055193 WO2011025488A1 (fr) 2009-08-27 2009-08-27 Sabot de tubage

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Application Number Priority Date Filing Date Title
PCT/US2009/055193 WO2011025488A1 (fr) 2009-08-27 2009-08-27 Sabot de tubage

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8505624B2 (en) 2010-12-09 2013-08-13 Halliburton Energy Services, Inc. Integral pull-through centralizer
US8573296B2 (en) 2011-04-25 2013-11-05 Halliburton Energy Services, Inc. Limit collar
US8678096B2 (en) 2011-01-25 2014-03-25 Halliburton Energy Services, Inc. Composite bow centralizer
US8833446B2 (en) 2011-01-25 2014-09-16 Halliburton Energy Services, Inc. Composite bow centralizer
US9074430B2 (en) 2011-09-20 2015-07-07 Halliburton Energy Services, Inc. Composite limit collar
WO2016142534A3 (fr) * 2015-03-11 2017-01-05 Tercel Oilfield Products Belgium Sa Outil de fond de trou et ensemble fond de puits pour actionner un train de tiges dans un puits de forage
US9702197B2 (en) 2014-04-29 2017-07-11 Wwt North America Holdings, Inc. Reamer shoe attachment for flexible casing shoe
WO2022020392A1 (fr) * 2020-07-20 2022-01-27 Baker Hughes Oilfield Operations Llc Outil à nez conique de passage
RU212879U1 (ru) * 2022-06-09 2022-08-11 Общество с ограниченной ответственностью Научно-производственное предприятие "БУРИНТЕХ" (ООО НПП "БУРИНТЕХ") Башмак обсадной колонны с вращающейся направляющей насадкой
EP4303396A1 (fr) 2022-07-06 2024-01-10 Downhole Products Limited Sabot de râpage pour le déploiement non rotatif de colonne de tubage

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JPS60166516A (ja) * 1984-02-08 1985-08-29 Kinugawa Rubber Ind Co Ltd コ−ナ−ジヨイント部材の製作方法
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