US20040084191A1 - Internal coiled tubing connector - Google Patents
Internal coiled tubing connector Download PDFInfo
- Publication number
- US20040084191A1 US20040084191A1 US10/286,744 US28674402A US2004084191A1 US 20040084191 A1 US20040084191 A1 US 20040084191A1 US 28674402 A US28674402 A US 28674402A US 2004084191 A1 US2004084191 A1 US 2004084191A1
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- United States
- Prior art keywords
- connector
- tubing
- coiled tubing
- inside diameter
- mandrel
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- 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.)
- Abandoned
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- 239000011324 bead Substances 0.000 claims abstract description 15
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 238000012856 packing Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000005755 formation reaction Methods 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 125000001183 hydrocarbyl group Chemical group 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
Images
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
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches
-
- 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
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/12—Grappling tools, e.g. tongs or grabs
- E21B31/20—Grappling tools, e.g. tongs or grabs gripping internally, e.g. fishing spears
Definitions
- the present invention generally relates to connectors for use with tubular members. More particularly, the present invention relates to a connector for use with coiled tubing that connects to an inside of the coiled tubing and provides torque resistance.
- Hydrocarbon wells typically involve wellbores that extend from the earth's surface to a selected depth in order to intersect a hydrocarbon bearing formation. Therefore, the wellbores can be several thousand feet in depth. Since tools must be lowered into the wellbore quickly and efficiently, drilling, completion, and production operations often utilize coiled tubing to support the tools used in operations performed within the wellbore instead of jointed pipe or jointed tubing. Therefore, tools connected to the end of coiled tubing include various kinds of downhole equipment tools, bottom hole assemblies, stabilizers, drill motors, and bits. Often times, the coiled tubing must be run through wellbores with restrictions or within other tubulars having a relatively small inside diameter such as production tubing.
- the coiled tubing is initially a flat piece of metal that is formed into a tubular shape and welded. This process forms a weld bead that typically must be removed from the inside diameter prior to connecting to the coiled tubing. However, removing the weld bead takes time and removes a portion of the coiled tubing that can provide rotational resistance.
- a connector for coiled tubing that resists torque developed by rotating downhole equipment.
- the connector couples to an inside diameter of the coiled tubing and can use a torque ring that rotationally locks the connector to the coiled tubing.
- the connector can have a slot on an outside diameter thereof adapted to receive a weld bead on the inside diameter of the coiled tubing in order to rotationally lock the connector to the coiled tubing.
- FIG. 1 is a sectional view of an embodiment of a connector.
- FIG. 2 is a sectional view of the connector coupled to a portion of coiled tubing.
- FIG. 3 is a view of a torque ring on the connector engaged with an end of the coiled tubing.
- FIG. 4 is a view of the connector with a fishing neck partially inserted in the portion of coiled tubing.
- the connector 100 comprises a mandrel 102 , a sleeve 104 , a torque ring 106 , a slip 108 positioned between a lower slip cone 110 and an upper slip cone 112 , a packer 114 , and a fishing neck 116 .
- a first end 118 of the mandrel 102 comprises a threaded portion 120 that can be used to attach a downhole tool (not shown) such as a mud motor or any assembly of tools.
- the fishing neck 116 attached to a second end 122 of the mandrel 102 receives an end portion of coiled tubing (not shown).
- the mandrel 102 extends through the sleeve 104 so that a relative movement between the mandrel 102 and the sleeve 104 radially expands the slip 108 and places the packer 114 in compression.
- a thread 124 connects the sleeve 104 to the mandrel 102 and allows the ability to provide the relative movement between the mandrel 102 and the sleeve 104 .
- the torque ring 106 circumscribes the mandrel 102 adjacent a lower shoulder 126 created by an end of the sleeve 104 .
- a locking assembly (not shown) such as a slot in the torque ring 106 and a key in the mandrel 102 aligns in order to rotationally lock the torque ring 106 to the mandrel 102 .
- the torque ring 106 comprises a series of teeth 128 .
- Both the lower slip cone 110 and the upper slip cone 112 circumscribe the mandrel 102 adjacent the slip 108 and have a wedge shape with inclined surface 111 and inclined surface 113 , respectively.
- the slip 108 is in an unexpanded position since the slip 108 is positioned proximate a portion of the upper slip cone 112 having a smaller outside diameter and a portion of the lower slip cone 110 having a smaller outside diameter.
- An outside diameter of the slip 108 can have formations 109 that grip an inside surface of the coiled tubing (See FIG. 2) to prevent axial movement between the connector 100 and the coiled tubing.
- the slip 108 , upper slip cone 112 , and lower slip cone 110 compose a slip assembly 107 ; however, any slip assembly 107 design that prevents axial movement between the connector 100 and the coiled tubing is within the scope of the invention.
- the packer 114 circumscribes the mandrel 102 between an upper shoulder 130 created by an end of the fishing neck 116 and a packing ring 132 adjacent the upper slip cone 112 .
- the packer 114 can be positioned around the mandrel 102 between the slip assembly 107 and the torque ring 106 .
- the packer 114 is an elastomeric material that can have a smooth outside diameter surface or an outside diameter surface with formations.
- the connector 100 can include the packing ring 132 and a round retaining ring 134 that circumscribe the mandrel 102 between the upper slip cone 112 and the packer 114 .
- the packing ring 132 translates axial movement from the upper slip cone 112 and provides a surface for contacting an edge of the packer 114 . Since a portion of the retaining ring 134 contacts a preformed profile 136 around an outside diameter of the mandrel 102 , axial movement of the retaining ring 134 relative to the mandrel 102 is limited to a length of the preformed profile 136 .
- a portion of the retaining ring 134 also contacts a shoulder 138 on the upper slip cone 112 in order to prevent axial movement of the upper slip cone 112 past the retaining ring 134 .
- FIG. 2 and FIG. 3 illustrate the connector 100 connected to an end portion of coiled tubing 200 .
- the connector 100 can be used to connect to an end of any tubing used in a wellbore such as a pipe or any tubular section.
- the connector 100 has an outside diameter with no portion substantially greater than an outside diameter of the coiled tubing 200 .
- An end 202 of the coiled tubing 200 is advanced over the fishing neck 116 and the mandrel 102 until the end 202 contacts the torque ring 106 .
- the sleeve 104 is rotated relative to the mandrel 102 in order to axially move the sleeve 104 with respect to the mandrel 102 . Therefore, the lower shoulder 126 formed by the end of the sleeve moves axially with respect to the mandrel 102 pushing the torque ring 106 axially in order to engage the teeth 128 of the torque ring 106 with the end 202 of the coiled tubing 200 . Engaging the teeth 128 with the end 202 of the coiled tubing 200 provides frictional contact between the teeth 128 and the end 202 .
- the teeth 128 at least partially deform the end 202 of the coiled tubing 200 when the teeth 128 engage the end 202 .
- the teeth 128 can embed into or penetrate the metal forming the end 202 of the coiled tubing 200 when the teeth 128 engage the end 202 .
- the teeth 128 prevent rotational movement between the coiled tubing 200 and the connector 100 . Since the torque ring 106 is rotationally locked to the mandrel 102 of the connector 100 , the connector 100 transfers torque from downhole tools (not shown) to the coiled tubing 200 through the torque ring 106 that resists rotational movement.
- the inclined surface of the lower slip cone 110 forces under the slip 108
- the inclined surface 113 of the upper slip cone 112 forces under the slip 108
- the packer 114 compresses outward due to a decrease in axial space between the upper shoulder 130 and the packing ring 132 .
- the outside diameter of the slip 108 contacts an inside diameter 204 of the coiled tubing 200 preventing axial movement between the connector 100 and the coiled tubing 200 .
- the slip 108 can have a C-shape with a longitudinal gap that allows the slip 108 to expand radially as the slip 108 moves up the inclined surfaces 111 , 113 to a portion of the slip cones 110 , 112 having a larger outside diameter.
- the upper slip cone 112 is prevented from further axial movement relative to the mandrel 102 . Therefore, this limits the axial movement of the packing ring 134 in order to prevent damage to the packer 114 while allowing further compression of the slip assembly 107 since the lower shoulder 126 continues to move closer to the upper slip cone 112 that is held stationary relative to the mandrel 102 by its interaction with the retaining ring 134 . Compression of the packer 114 causes the outside diameter of the packer 114 to compress against the inside diameter 204 of the coiled tubing 200 in order to seal an annulus between the inside diameter 204 and the connector 100 .
- the packer 114 can seal an irregular inside diameter 204 of the coiled tubing 200 when compressed.
- FIG. 4 illustrates a slot 400 machined along the length of the fishing neck 116 that provides additional resistance against torque between the connector 100 and the coiled tubing 200 .
- the slot 400 receives a weld bead 402 on the inside diameter 204 of the coiled tubing 200 as the coiled tubing 200 advances onto the connector 100 . Therefore, the slot 400 allows the fishing neck 116 to slide inside the coiled tubing 200 as it cradles the weld bead 402 to prevent rotation of the coiled tubing 200 .
- the weld bead 402 acts as a stop once it contacts the slot 400 .
- the slot 400 may additionally be machined to extend through the slip 108 , the upper slip cone 112 , and the lower slip cone 110 (as shown in phantom) so that the weld bead 402 is cradled throughout the length of the coiled tubing 200 that is positioned around the connector 100 . If the coiled tubing 200 design does not include a weld bead 402 (for example, because it was removed in manufacturing), the connector 100 still resists torque through the function of the torque ring 106 acting alone. On the other hand, the slot 400 on the fishing neck 116 when keyed to the weld bead 402 can resist torque acting alone if the connector 100 does not include a torque ring 106 .
- Coupling a downhole tool to coiled tubing can be accomplished in a method utilizing the connector 100 as described in FIG. 1 through FIG. 4.
- Establishing a connection that prevents rotational and axial movement between the downhole tool and the coiled tubing 200 can include positioning the connector 100 proximate the coiled tubing 200 , aligning a slot 400 on an outside diameter of the connector 100 with a weld bead 402 on an inside diameter 204 of the coiled tubing 200 , engaging teeth 128 of a torque ring 106 with an end 202 of the coiled tubing 200 , expanding a slip assembly 107 into contact with the inside diameter 204 of the coiled tubing 200 , and connecting the downhole tool to a threaded portion 120 of the connector 100 .
- the downhole tool is coupled to the coiled tubing 200 by the connector 100 .
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- Environmental & Geological Engineering (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Marine Sciences & Fisheries (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The present invention generally relates to a connector for coiled tubing that resists torque developed by rotating downhole equipment. The connector couples to an inside diameter of the coiled tubing and can use a torque ring that rotationally locks the connector to the coiled tubing. Additionally, the connector can have a slot on an outside diameter thereof adapted to receive a weld bead on the inside diameter of the coiled tubing in order to rotationally lock the connector to the coiled tubing.
Description
- 1. Field of the Invention
- The present invention generally relates to connectors for use with tubular members. More particularly, the present invention relates to a connector for use with coiled tubing that connects to an inside of the coiled tubing and provides torque resistance.
- 2. Description of the Related Art
- Hydrocarbon wells typically involve wellbores that extend from the earth's surface to a selected depth in order to intersect a hydrocarbon bearing formation. Therefore, the wellbores can be several thousand feet in depth. Since tools must be lowered into the wellbore quickly and efficiently, drilling, completion, and production operations often utilize coiled tubing to support the tools used in operations performed within the wellbore instead of jointed pipe or jointed tubing. Therefore, tools connected to the end of coiled tubing include various kinds of downhole equipment tools, bottom hole assemblies, stabilizers, drill motors, and bits. Often times, the coiled tubing must be run through wellbores with restrictions or within other tubulars having a relatively small inside diameter such as production tubing. Therefore, smaller diameter connections between the coiled tubing and the downhole equipment prevent the connections from becoming stuck at a restriction. By engaging the downhole tool to the inside diameter of the coiled tubing instead of the coiled tubing's outside diameter, U.S. Pat. No. 5,251,695 discloses a connector with a smaller outside diameter.
- The ability of the connector to withstand torque is important. If the connector is allowed to spin freely, the downhole equipment runs a high risk of failure. Additionally, rotation between the coiled tubing and downhole equipment can result in the downhole equipment disconnecting from the coiled tubing. The connector in U.S. Pat. No. 5,251,695 fails to withstand torque transmitted to the connection by rotating downhole equipment. U.S. Pat. No. 6,056,051 discloses a slip assembly providing a configuration of rotationally locked slips with wickers to promote resistance of applied torque. However, this connection requires preventing rotation of the slip assembly and internally locking the connector to the slip assembly in order to prevent rotation.
- In the manufacturing of coiled tubing, the coiled tubing is initially a flat piece of metal that is formed into a tubular shape and welded. This process forms a weld bead that typically must be removed from the inside diameter prior to connecting to the coiled tubing. However, removing the weld bead takes time and removes a portion of the coiled tubing that can provide rotational resistance.
- Therefore, there is a need for an improved apparatus that couples downhole equipment to a segment of coiled tubing and also resists the torque that occurs as a result of rotating downhole equipment.
- A connector for coiled tubing is disclosed that resists torque developed by rotating downhole equipment. The connector couples to an inside diameter of the coiled tubing and can use a torque ring that rotationally locks the connector to the coiled tubing. Additionally, the connector can have a slot on an outside diameter thereof adapted to receive a weld bead on the inside diameter of the coiled tubing in order to rotationally lock the connector to the coiled tubing.
- So that the manner in which the above recited features of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to embodiments, some of which are illustrated in the appended drawings. It is to be noted, however, that the appended drawings illustrate only typical embodiments of this invention and are therefore not to be considered limiting of its scope, for the invention may admit to other equally effective embodiments.
- FIG. 1 is a sectional view of an embodiment of a connector.
- FIG. 2 is a sectional view of the connector coupled to a portion of coiled tubing.
- FIG. 3 is a view of a torque ring on the connector engaged with an end of the coiled tubing.
- FIG. 4 is a view of the connector with a fishing neck partially inserted in the portion of coiled tubing.
- Referring to FIG. 1, the
connector 100 comprises amandrel 102, asleeve 104, atorque ring 106, aslip 108 positioned between alower slip cone 110 and anupper slip cone 112, apacker 114, and afishing neck 116. Afirst end 118 of themandrel 102 comprises a threadedportion 120 that can be used to attach a downhole tool (not shown) such as a mud motor or any assembly of tools. Thefishing neck 116 attached to asecond end 122 of themandrel 102 receives an end portion of coiled tubing (not shown). Themandrel 102 extends through thesleeve 104 so that a relative movement between themandrel 102 and thesleeve 104 radially expands theslip 108 and places thepacker 114 in compression. Athread 124 connects thesleeve 104 to themandrel 102 and allows the ability to provide the relative movement between themandrel 102 and thesleeve 104. - The
torque ring 106 circumscribes themandrel 102 adjacent alower shoulder 126 created by an end of thesleeve 104. A locking assembly (not shown) such as a slot in thetorque ring 106 and a key in themandrel 102 aligns in order to rotationally lock thetorque ring 106 to themandrel 102. Thetorque ring 106 comprises a series ofteeth 128. Both thelower slip cone 110 and theupper slip cone 112 circumscribe themandrel 102 adjacent theslip 108 and have a wedge shape withinclined surface 111 andinclined surface 113, respectively. Initially, theslip 108 is in an unexpanded position since theslip 108 is positioned proximate a portion of theupper slip cone 112 having a smaller outside diameter and a portion of thelower slip cone 110 having a smaller outside diameter. An outside diameter of theslip 108 can haveformations 109 that grip an inside surface of the coiled tubing (See FIG. 2) to prevent axial movement between theconnector 100 and the coiled tubing. Theslip 108,upper slip cone 112, andlower slip cone 110 compose aslip assembly 107; however, anyslip assembly 107 design that prevents axial movement between theconnector 100 and the coiled tubing is within the scope of the invention. As shown, thepacker 114 circumscribes themandrel 102 between anupper shoulder 130 created by an end of thefishing neck 116 and apacking ring 132 adjacent theupper slip cone 112. Alternatively, thepacker 114 can be positioned around themandrel 102 between theslip assembly 107 and thetorque ring 106. Preferably, thepacker 114 is an elastomeric material that can have a smooth outside diameter surface or an outside diameter surface with formations. - As shown in FIG. 1, the
connector 100 can include thepacking ring 132 and around retaining ring 134 that circumscribe themandrel 102 between theupper slip cone 112 and thepacker 114. Thepacking ring 132 translates axial movement from theupper slip cone 112 and provides a surface for contacting an edge of thepacker 114. Since a portion of theretaining ring 134 contacts apreformed profile 136 around an outside diameter of themandrel 102, axial movement of theretaining ring 134 relative to themandrel 102 is limited to a length of thepreformed profile 136. A portion of theretaining ring 134 also contacts ashoulder 138 on theupper slip cone 112 in order to prevent axial movement of theupper slip cone 112 past theretaining ring 134. - FIG. 2 and FIG. 3 illustrate the
connector 100 connected to an end portion of coiledtubing 200. However, theconnector 100 can be used to connect to an end of any tubing used in a wellbore such as a pipe or any tubular section. As shown, theconnector 100 has an outside diameter with no portion substantially greater than an outside diameter of the coiledtubing 200. Anend 202 of thecoiled tubing 200 is advanced over thefishing neck 116 and themandrel 102 until theend 202 contacts thetorque ring 106. Once theend 202 contacts thetorque ring 106, thesleeve 104 is rotated relative to themandrel 102 in order to axially move thesleeve 104 with respect to themandrel 102. Therefore, thelower shoulder 126 formed by the end of the sleeve moves axially with respect to themandrel 102 pushing thetorque ring 106 axially in order to engage theteeth 128 of thetorque ring 106 with theend 202 of thecoiled tubing 200. Engaging theteeth 128 with theend 202 of the coiledtubing 200 provides frictional contact between theteeth 128 and theend 202. Preferably, theteeth 128 at least partially deform theend 202 of the coiledtubing 200 when theteeth 128 engage theend 202. Alternatively, theteeth 128 can embed into or penetrate the metal forming theend 202 of the coiledtubing 200 when theteeth 128 engage theend 202. Once theteeth 128 engage theend 202 of the coiledtubing 200, theteeth 128 prevent rotational movement between thecoiled tubing 200 and theconnector 100. Since thetorque ring 106 is rotationally locked to themandrel 102 of theconnector 100, theconnector 100 transfers torque from downhole tools (not shown) to the coiledtubing 200 through thetorque ring 106 that resists rotational movement. - At the same time as the
teeth 128 engage theend 202 of the coiledtubing 200, the axial movement of thetorque ring 106 caused by the rotation of thesleeve 104 forces thelower slip cone 110 to move axially along themandrel 102. Since thesleeve 104 moves axially with respect to themandrel 102, thelower shoulder 126 formed by the end of the sleeve moves axially closer to theupper shoulder 130 that is stationary relative to themandrel 102. Therefore, the inclined surface of thelower slip cone 110 forces under theslip 108, theinclined surface 113 of theupper slip cone 112 forces under theslip 108, and thepacker 114 compresses outward due to a decrease in axial space between theupper shoulder 130 and thepacking ring 132. As a result, the outside diameter of theslip 108 contacts aninside diameter 204 of the coiledtubing 200 preventing axial movement between theconnector 100 and thecoiled tubing 200. Theslip 108 can have a C-shape with a longitudinal gap that allows theslip 108 to expand radially as theslip 108 moves up theinclined surfaces slip cones ring 134 is prevented from further movement along the length of themandrel 102 due to the preformedprofile 136, theupper slip cone 112 is prevented from further axial movement relative to themandrel 102. Therefore, this limits the axial movement of thepacking ring 134 in order to prevent damage to thepacker 114 while allowing further compression of theslip assembly 107 since thelower shoulder 126 continues to move closer to theupper slip cone 112 that is held stationary relative to themandrel 102 by its interaction with the retainingring 134. Compression of thepacker 114 causes the outside diameter of thepacker 114 to compress against theinside diameter 204 of the coiledtubing 200 in order to seal an annulus between theinside diameter 204 and theconnector 100. Thepacker 114 can seal an irregularinside diameter 204 of the coiledtubing 200 when compressed. Once thesleeve 104 has been rotated during the operation of theconnector 100, aset screw 206 can be advanced to rotationally lock thesleeve 104 to themandrel 102. - Furthermore, FIG. 4 illustrates a
slot 400 machined along the length of thefishing neck 116 that provides additional resistance against torque between theconnector 100 and thecoiled tubing 200. Theslot 400 receives aweld bead 402 on theinside diameter 204 of the coiledtubing 200 as thecoiled tubing 200 advances onto theconnector 100. Therefore, theslot 400 allows thefishing neck 116 to slide inside the coiledtubing 200 as it cradles theweld bead 402 to prevent rotation of the coiledtubing 200. Thus, theweld bead 402 acts as a stop once it contacts theslot 400. Theslot 400 may additionally be machined to extend through theslip 108, theupper slip cone 112, and the lower slip cone 110 (as shown in phantom) so that theweld bead 402 is cradled throughout the length of the coiledtubing 200 that is positioned around theconnector 100. If thecoiled tubing 200 design does not include a weld bead 402 (for example, because it was removed in manufacturing), theconnector 100 still resists torque through the function of thetorque ring 106 acting alone. On the other hand, theslot 400 on thefishing neck 116 when keyed to theweld bead 402 can resist torque acting alone if theconnector 100 does not include atorque ring 106. - Coupling a downhole tool to coiled tubing can be accomplished in a method utilizing the
connector 100 as described in FIG. 1 through FIG. 4. Establishing a connection that prevents rotational and axial movement between the downhole tool and thecoiled tubing 200 can include positioning theconnector 100 proximate thecoiled tubing 200, aligning aslot 400 on an outside diameter of theconnector 100 with aweld bead 402 on aninside diameter 204 of the coiledtubing 200, engagingteeth 128 of atorque ring 106 with anend 202 of the coiledtubing 200, expanding aslip assembly 107 into contact with theinside diameter 204 of the coiledtubing 200, and connecting the downhole tool to a threadedportion 120 of theconnector 100. As a result, the downhole tool is coupled to the coiledtubing 200 by theconnector 100. - While the foregoing is directed to embodiments of the invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (22)
1. A connector for coupling a tubing to a downhole tool, comprising:
a body;
a slip assembly operatively connected to the body; and
a torque ring operatively connected to the body.
2. The connector of claim 1 , wherein the torque ring comprises a series of teeth adapted to engage an end of the tubing.
3. The connector of claim 1 , wherein the torque ring is rotationally locked to a portion of the body.
4. The connector of claim 1 , wherein the torque ring substantially prevents rotational movement between the connector and the tubing.
5. The connector of claim 1 , wherein the slip assembly substantially prevents axial movement between the connector and the tubing.
6. The connector of claim 1 , wherein a portion of the body is adapted to extend into an inside diameter of the tubing.
7. The connector of claim 1 , further comprising a packer.
8. The connector of claim 1 , further comprising:
a packer; and
a retaining ring positioned within a preformed profile on the body, wherein the retaining ring limits a compressive force on the packer.
9. The connector of claim 1 , further comprising a fishing neck operatively connected to the body.
10. The connector of claim 9 , wherein the fishing neck comprises a slot along at least a portion of the fishing neck, the slot being adapted to receive a weld bead on an inside diameter of the tubing.
11. The connector of claim 10 , wherein the fishing neck substantially prevents rotational movement between the connector and the tubing.
12. The connector of claim 1 , wherein the body comprises:
a mandrel; and
a sleeve axially movable relative to the mandrel.
13. The connector of claim 12 , wherein relative movement between the mandrel and the sleeve expands the slip assembly.
14. The connector of claim 12 , wherein relative movement between the mandrel and the sleeve engages at least a portion of the torque ring with an end of the tubular.
15. The connector of claim 12 , further comprising a packer, wherein relative movement between the mandrel and the sleeve subjects the packer to a compressive force.
16. A connector for coupling a tubing to a downhole tool, comprising:
a body; and
a fishing neck operatively connected to the body, wherein the fishing neck comprises a slot adapted to receive a weld bead on an inside diameter of the tubing.
17. The connector of claim 16 , wherein the fishing neck substantially prevents rotational movement between the connector and the tubing.
18. A method for coupling a tubing to a downhole tool, comprising:
positioning a connector proximate the tubing;
engaging at least a portion of a torque ring with an end of the tubing to prevent rotational movement between the tubing and the connector, the torque ring operatively connected to the connector;
expanding a slip assembly into contact with an inside diameter of the tubing to prevent axial movement between the tubing and the connector, the slip assembly operatively connected to the connector; and
connecting the downhole tool to the connector.
19. The connector of claim 18 , further comprising aligning a slot on an outside diameter of the connector with a weld bead on the inside diameter of the tubing to prevent rotational movement.
20. The connector of claim 18 , further comprising compressing a packer into contact with the inside diameter of the tubing.
21. A method for coupling a tubing to a downhole tool, comprising:
positioning a connector proximate the tubing;
aligning a slot on an outside diameter of the connector with a weld bead on an inside diameter of the tubing in order to prevent rotational movement between the tubing and the connector;
expanding a slip assembly into contact with an inside diameter of the tubing to prevent axial movement between the tubing and the connector, the slip assembly operatively connected to the connector; and
connecting the downhole tool to the connector.
22. The connector of claim 21 , further comprising compressing a packer into contact with the inside diameter of the tubing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US10/286,744 US20040084191A1 (en) | 2002-11-01 | 2002-11-01 | Internal coiled tubing connector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US10/286,744 US20040084191A1 (en) | 2002-11-01 | 2002-11-01 | Internal coiled tubing connector |
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US20040084191A1 true US20040084191A1 (en) | 2004-05-06 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US10/286,744 Abandoned US20040084191A1 (en) | 2002-11-01 | 2002-11-01 | Internal coiled tubing connector |
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Cited By (18)
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US20060243453A1 (en) * | 2005-04-27 | 2006-11-02 | Mckee L M | Tubing connector |
US20060278387A1 (en) * | 2005-06-10 | 2006-12-14 | Robert Parker | Semi-disposable coiled tubing connector |
US20070261857A1 (en) * | 2006-04-25 | 2007-11-15 | Canrig Drilling Technology Ltd. | Tubular running tool |
US20080073085A1 (en) * | 2005-04-27 | 2008-03-27 | Lovell John R | Technique and System for Intervening in a Wellbore Using Multiple Reels of Coiled Tubing |
US20080164693A1 (en) * | 2007-01-04 | 2008-07-10 | Canrig Drilling Technology Ltd. | Tubular handling device |
US20080251259A1 (en) * | 2007-04-12 | 2008-10-16 | Braddick Britt O | Safety valve |
NL1034936C2 (en) * | 2008-01-21 | 2009-07-22 | Balance Point Control B V | Tube forming method for borehole strand, involves inserting end of pipe completely into borehole of tube, and lowering tube shaped strand to length of pipe, where end of tube and end of other tube are linked by clicks or clips |
US20090321064A1 (en) * | 2008-06-26 | 2009-12-31 | Nabors Global Holdings Ltd. | Tubular handling device |
CN102828701A (en) * | 2012-09-14 | 2012-12-19 | 吉林大学 | Wear-resisting weak-abrasiveness bionic tool joint |
WO2013165661A1 (en) * | 2012-05-03 | 2013-11-07 | M-I Drilling Fluids U.K. Limited | Tool assembly apparatus and method |
US8720541B2 (en) | 2008-06-26 | 2014-05-13 | Canrig Drilling Technology Ltd. | Tubular handling device and methods |
US9062503B2 (en) | 2010-07-21 | 2015-06-23 | Baker Hughes Incorporated | Rotary coil tubing drilling and completion technology |
CN107489378A (en) * | 2017-10-18 | 2017-12-19 | 杰瑞能源服务有限公司 | A kind of coiled tubing attachment means |
CN109441389A (en) * | 2019-01-03 | 2019-03-08 | 西安石油大学 | A kind of dual-grip reversible coiled tubing fish fishing device |
CN110700766A (en) * | 2019-11-21 | 2020-01-17 | 西南石油大学 | Same-diameter double-layer continuous oil pipe connecting device |
US10947790B2 (en) | 2017-10-05 | 2021-03-16 | Baker Hughes, A Ge Company, Llc | Coiled tubing connector with internal anchor and external seal |
GB2569011B (en) * | 2017-10-05 | 2021-03-31 | Baker Hughes A Ge Co Llc | Coiled tubing connector with internal anchor and external seal |
CN114109295A (en) * | 2021-12-01 | 2022-03-01 | 杨颖辉 | Mechanical expansion seal releasable fishing spear blanking plug |
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US20080073085A1 (en) * | 2005-04-27 | 2008-03-27 | Lovell John R | Technique and System for Intervening in a Wellbore Using Multiple Reels of Coiled Tubing |
US20060243453A1 (en) * | 2005-04-27 | 2006-11-02 | Mckee L M | Tubing connector |
US20060278387A1 (en) * | 2005-06-10 | 2006-12-14 | Robert Parker | Semi-disposable coiled tubing connector |
US20070261857A1 (en) * | 2006-04-25 | 2007-11-15 | Canrig Drilling Technology Ltd. | Tubular running tool |
US7445050B2 (en) | 2006-04-25 | 2008-11-04 | Canrig Drilling Technology Ltd. | Tubular running tool |
US20080164693A1 (en) * | 2007-01-04 | 2008-07-10 | Canrig Drilling Technology Ltd. | Tubular handling device |
US7552764B2 (en) | 2007-01-04 | 2009-06-30 | Nabors Global Holdings, Ltd. | Tubular handling device |
US7758019B2 (en) * | 2007-04-12 | 2010-07-20 | Tiw Corporation | Safety valve |
US20080251259A1 (en) * | 2007-04-12 | 2008-10-16 | Braddick Britt O | Safety valve |
NL1034936C2 (en) * | 2008-01-21 | 2009-07-22 | Balance Point Control B V | Tube forming method for borehole strand, involves inserting end of pipe completely into borehole of tube, and lowering tube shaped strand to length of pipe, where end of tube and end of other tube are linked by clicks or clips |
US8720542B2 (en) * | 2008-06-26 | 2014-05-13 | First Subsea Limited | Tubular handling device |
US10309167B2 (en) | 2008-06-26 | 2019-06-04 | Nabors Drilling Technologies Usa, Inc. | Tubular handling device and methods |
US8074711B2 (en) | 2008-06-26 | 2011-12-13 | Canrig Drilling Technology Ltd. | Tubular handling device and methods |
US9903168B2 (en) | 2008-06-26 | 2018-02-27 | First Subsea Limited | Tubular handling methods |
US20090321064A1 (en) * | 2008-06-26 | 2009-12-31 | Nabors Global Holdings Ltd. | Tubular handling device |
US8720541B2 (en) | 2008-06-26 | 2014-05-13 | Canrig Drilling Technology Ltd. | Tubular handling device and methods |
US8851164B2 (en) | 2008-06-26 | 2014-10-07 | Canrig Drilling Technology Ltd. | Tubular handling device and methods |
US9303472B2 (en) | 2008-06-26 | 2016-04-05 | Canrig Drilling Technology Ltd. | Tubular handling methods |
US9062503B2 (en) | 2010-07-21 | 2015-06-23 | Baker Hughes Incorporated | Rotary coil tubing drilling and completion technology |
US9752393B2 (en) | 2012-05-03 | 2017-09-05 | M-I Drilling Fluids Uk Ltd. | Tool assembly apparatus and method |
WO2013165661A1 (en) * | 2012-05-03 | 2013-11-07 | M-I Drilling Fluids U.K. Limited | Tool assembly apparatus and method |
CN102828701A (en) * | 2012-09-14 | 2012-12-19 | 吉林大学 | Wear-resisting weak-abrasiveness bionic tool joint |
US10947790B2 (en) | 2017-10-05 | 2021-03-16 | Baker Hughes, A Ge Company, Llc | Coiled tubing connector with internal anchor and external seal |
GB2569011B (en) * | 2017-10-05 | 2021-03-31 | Baker Hughes A Ge Co Llc | Coiled tubing connector with internal anchor and external seal |
CN107489378A (en) * | 2017-10-18 | 2017-12-19 | 杰瑞能源服务有限公司 | A kind of coiled tubing attachment means |
CN109441389A (en) * | 2019-01-03 | 2019-03-08 | 西安石油大学 | A kind of dual-grip reversible coiled tubing fish fishing device |
CN110700766A (en) * | 2019-11-21 | 2020-01-17 | 西南石油大学 | Same-diameter double-layer continuous oil pipe connecting device |
CN114109295A (en) * | 2021-12-01 | 2022-03-01 | 杨颖辉 | Mechanical expansion seal releasable fishing spear blanking plug |
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Legal Events
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AS | Assignment |
Owner name: WEATHERFORD/LAMB, INC., TEXAS Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:LAIRD, MARY L.;REEL/FRAME:013666/0328 Effective date: 20030106 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO PAY ISSUE FEE |