CN108915611A - Continuous pipe rope connector and implementation method - Google Patents

Continuous pipe rope connector and implementation method Download PDF

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Publication number
CN108915611A
CN108915611A CN201811003778.2A CN201811003778A CN108915611A CN 108915611 A CN108915611 A CN 108915611A CN 201811003778 A CN201811003778 A CN 201811003778A CN 108915611 A CN108915611 A CN 108915611A
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CN
China
Prior art keywords
wirerope
pipe
continuous pipe
section
rope
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Granted
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CN201811003778.2A
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Chinese (zh)
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CN108915611B (en
Inventor
高森
陈雄
柳瑞军
慕鑫
王科萌
任斌
端木晓亮
石小龙
潘耀瑞
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China National Petroleum Corp
CNPC Chuanqing Drilling Engineering Co Ltd
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CNPC Chuanqing Drilling Engineering Co Ltd
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Priority to CN201811003778.2A priority Critical patent/CN108915611B/en
Publication of CN108915611A publication Critical patent/CN108915611A/en
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Publication of CN108915611B publication Critical patent/CN108915611B/en
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02Couplings; joints
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/20Flexible or articulated drilling pipes, e.g. flexible or articulated rods, pipes or cables

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Ropes Or Cables (AREA)

Abstract

The invention provides a continuous pipe rope connector and an implementation method thereof, wherein the continuous pipe rope connector comprises a central rod, the outer wall of the central rod is sequentially provided with a conical section, a cylindrical section and a reducing section from top to bottom, a C-ring slip with sawtooth spurs on the outer surface is sleeved on the conical section, the cylindrical section is connected with a locking sleeve through a first thread, and the lower end of the reducing section is connected with a steel wire rope pressing cap through a universal joint; the steel wire rope pressing cap is composed of a rope cap short joint, a steel wire rope cap and a steel wire rope pressing block, the steel wire rope cap is a hollow through body, an inner cavity of the steel wire rope cap is divided into a straight cylinder section and a conical cylinder section, one end of the rope cap short joint is connected to the universal joint, the other end of the rope cap short joint is inserted into the straight cylinder section through second threads of the outer wall, the steel wire rope pressing block is arranged in the conical cylinder section, a through hole is formed in the center of the steel wire rope pressing block. According to the invention, before the steel wire rope reaches the ultimate tensile force, the connector cannot be separated from the steel wire rope or the continuous pipe, and meanwhile, the continuous pipe is ensured to smoothly pass through the injection head, so that the continuous pipe operation efficiency is improved, and the continuous pipe penetrating operation risk is reduced.

Description

A kind of continuous pipe pipe rope connection and implementation method
Technical field
The invention belongs to oil exploitation downhole tool technical fields, and in particular to a kind of continuous pipe pipe rope connection and implementation Method.
Background technique
At present in continuous pipe correlation completion practice, except speed column operation is to provide support and installation by the way that pylon is mobile Outside device, in other continuous pipe operations, crane is mostly used to draw oil pipe, operating personnel cooperates at the top of injection head penetrates oil pipe Traditional poling mode, the construction risks such as there are processes to be difficult to control, operation of ascending a height, injection head lower section activity duration length.To understand Certainly this problem is investigated and is practiced by the relevant technologies, it is believed that a kind of offer of hydraulic wireline winch system can be used and wear oil pipe power, people Member drives continuous pipe to enter the pipe penetration method of injection head, can reduce construction site high-rise working, hang in terrestrial operation by wirerope The risks such as industry are pretended, but using the work pattern of ground poling, one of key problem in technology is wirerope and continuous Guan La Being reliably connected under power effect, needs mating special connector.
Existing several conventional connector for continuous tube, mainly there is wild card tile style connector, ring pressure type connector, groove/recessed Pit type connector is reliably connected with continuous pipe though above-mentioned several connectors are able to achieve, can not achieve the connection with wirerope, And do not have the structures such as C ring slips, universal movable joint;In addition, the bonding strength of connector and wirerope and continuous pipe, need to ensure steel Cord reach capacity pulling force when, connector will not be separated with wirerope or continuous pipe.
Summary of the invention
The purpose of the present invention is first is that solve the problem of that existing connector can only connect continuous pipe and can not connect with wirerope; Second is that when wirerope reaches capacity pulling force, connector will not separate purpose with wirerope or continuous pipe;Purpose is third is that drawing When continuous pipe passes through injection head, operating personnel is reduced at the top of injection head or bottom operations number or duration, reduces construction risk.
For this purpose, the present invention provides a kind of continuous pipe pipe rope connection, including center-pole, the center-pole outer wall from up to Under be followed successively by conical section, cylindrical section and undergauge section, coherent, the described conical section of the cylindrical section and conical section minor diameter one end On be arranged C ring slips, the outer surface of the C ring slips is equipped with sawtooth bur, is threadedly coupled on cylindrical section by first Lock sleeve, undergauge section front end are connected to wirerope pressure cap by universal joint;
The wirerope pressure cap is shorted by rope socket, wire rope socket and wirerope briquetting form, and wire rope socket is hollow perforation Body, its inner cavity are divided into two parts, are direct tube section and conical cylinder section respectively, the larger diameter end and direct tube section of conical cylinder section are coherent, described One end for being shorted of rope socket be connected to universal joint, the other end is inserted into direct tube section by the second screw thread of outer wall, the cone Cylinder section is built-in with wirerope briquetting, and wirerope briquetting center opens up through-hole, and the through-hole is used for clamping steel cord ends.
Further, the lock sleeve radially opens up limit hole, and the limit hole is through locking sleeve wall thickness and first Screw thread, limit hole interpolation have the steady nail of limit.
Further, the universal joint is made of universal ball end and universal ball end short circuit, and it is short that universal ball end is located at rope socket It connects between center-pole, the end face that the rope socket is shorted is abutted with the spherical outside surface of universal ball end, and the end face of center-pole passes through outer wall Third screw thread insertion universal ball end inner concave, the front inner wall that the universal ball end is shorted is shorted with rope socket and is threadedly coupled, Rear end inner wall opens up the spherical groove for placing universal ball end.
Further, the outer wall of the wirerope briquetting is the taper to match with the conical cylinder section of wire rope socket, wirerope The axial length of briquetting is less than conical cylinder section axial length, and it is large diameter hole respectively that the through-hole at wirerope briquetting center, which is equipped with two sections, Section and minor diameter hole section, the major diameter hole section and rope socket are shorted close to and when compressing wirerope, major diameter hole section is used to hold Receive the aluminum alloy sleeve of casting.
Further, the diameter of the lock sleeve at the limit hole place is equal to the diameter of continuous pipe to be connected.
Further, the end face of one end of the center-pole where the conical section is equipped with chamfering.
Further, a kind of implementation method of continuous pipe pipe rope connection, includes the following steps:
Step 1 assembles continuous pipe pipe rope connection
S101:One end of wirerope is placed in square casing, aluminium alloy is poured, forms aluminum alloy sleeve, takes out wirerope;
S102:Wirerope briquetting is packed into the conical cylinder section of wire rope socket, takes wirerope that its free end is made to sequentially pass through wirerope The conical cylinder section of the through-hole of briquetting, wire rope socket, and be pierced by from wire rope socket, until wirerope is cast with one end card of aluminum alloy sleeve In the major diameter hole section of wirerope briquetting;
S103:Wire rope socket, rope socket are shorted and universal ball end short circuit passes sequentially through threaded connection, so that one end that rope socket is shorted Aluminum alloy sleeve is withstood, the other end withstands universal ball end;
S104:Lock sleeve is socketed on center-pole by the first screw thread, and is arranged C ring slips on center-pole, makes C ring slips In free relaxed state;
S105:Center-pole is threadedly coupled with universal ball end by third, the assembling of continuous pipe pipe rope connection is completed;
Step 2 connects continuous pipe and continuous pipe pipe rope connection
S201:The ring slips end C of continuous pipe pipe rope connection is inserted into continuous pipe, until lock sleeve diameter is less than continuous Guan Zhi Path portion is entirely insertable in continuous pipe;
S202:By the upper button thrust of lock sleeve, keeps C ring slips mobile to the major diameter position of the conical section of center-pole and open It opens, the sawtooth bur of C ring slips is engaged with the inner surface of continuous pipe;
Step 3, the continuous pipe pipe rope connection that rope traction is connected to continuous pipe enter injection head from gooseneck boom, then according to It is secondary by injection head top, injection head chain center, injection head bottom blowout prevention box, and in injection head blowout prevention box and injection head pry bracket Free folding in the confined space of bottom makes the continuous pipe of rope belt pass through blowout prevention box;
Step 4, the connection of disassembly wirerope, continuous pipe and continuous pipe pipe rope connection.
Further, have to wirerope with continuous pipe pipe rope connection and fix twice, be the cone cylinder of wire rope socket respectively Section and the conical outer wall of wirerope briquetting cooperate, so that wirerope tension masterpiece used time, the conical surface of the wirerope briquetting along conical cylinder section To the cone space Forward between conical cylinder section and wirerope briquetting, wirerope is compressed, wirerope briquetting is more moved to major diameter hole section Dynamic, wirerope is pressed tighter, completes the primary fixation of wirerope and continuous pipe pipe rope connection;
If a solid failure, aluminum alloy sleeve will be stuck in major diameter hole section and by the major diameter hole section of wirerope briquetting, minor diameter At stepped locations between hole section, the pulling force effect of wirerope is born, prevents wirerope from separating with continuous pipe pipe rope connection, it is complete At the secondary fixation of wirerope and continuous pipe pipe rope connection.
Further, the connection of disassembly wirerope, continuous pipe and continuous pipe pipe rope connection includes in the step 4:
The steady nail of disassembly limit, the retaining for releasing lock sleeve relative to center-pole act on, and the first screw thread of shackle, center-pole is relative to lock Fixed rear end is mobile, and ring slips is separated with the major diameter position of the conical section of center-pole, and type Kawai leans on natural resiliency, restores Original state completes the separation of continuous pipe pipe rope connection and continuous pipe;
The second screw thread of shackle, rope socket pipe nipple are separated with wire rope socket, and wirerope passes sequentially through the cone of wirerope briquetting, wire rope socket Cylinder section is extracted out from wire rope socket, completes the separation of wirerope and continuous pipe pipe rope connection.
Beneficial effects of the present invention:This continuous pipe pipe rope connection provided by the invention and implementation method, first can be with According to the internal diameter of continuous pipe and wirerope outer diameter, the conical cylinder section size, wirerope briquetting size, lock sleeve of wire rope socket are determined most Big outer diameter and center-pole maximum outside diameter, realize the connection of the wirerope of sizes Yu the continuous pipe of sizes;Secondly, passing through C Movement of the ring slips on the conical surface is, it can be achieved that C ring slips sawtooth and the engagement of continuous inside pipe wall or separate, and then realize connector With the anchoring or disassembly of continuous pipe;Furthermore there is limit hole on lock sleeve, it, can be by surely following closely after lock sleeve is up to designated position Fasten lock sleeve;Third realizes wirerope and connector by the cooperation of wirerope briquetting top large diameter hole and aluminum alloy sleeve Secondary fixation;4th, after connector being made to pass through blowout prevention box by the cross-pin type joint of connector, bent to any direction, just Injection head and blowout prevention box are passed through in the continuous pipe of connector belt.Therefore, the present invention can effectively instruct live continuous pipe ground to wear Pipe construction improves continuous pipe operating efficiency, reduces continuous pipe poling operating risk.
The present invention is described in further details below with reference to attached drawing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of continuous pipe pipe rope connection.
Fig. 2 is connection and the fixing means schematic diagram of continuous pipe pipe rope connection.
Fig. 3 is the method for dismounting schematic diagram of continuous pipe pipe rope connection.
Description of symbols:
1. center-pole;2.C ring slips;3. lock sleeve;4. limit hole;5. universal ball end;6. universal ball end is shorted;7. rope socket is short It connects;8. wire rope socket;9. wirerope briquetting;10. continuous pipe;11. aluminum alloy sleeve;12. the steady nail of limit;13. wirerope;A. first Screw thread;B. the second screw thread;C. third screw thread;
101. conical section;102. cylindrical section;103. undergauge section;
801. direct tube section;802. conical cylinder section;
901. major diameter hole sections;902. minor diameter hole sections.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this specification Revealed content is understood other advantages and efficacy of the present invention easily.
It should be noted that in the present invention, the upper and lower, left and right in figure are considered as continuous pipe pipe described in this specification The upper and lower, left and right of rope connection, front-end and back-end are the front-end and back-end indicated in attached drawing, specifically, pipe rope connection Connecting steel wire ropes one end is front end, and connecting continuous pipe one end is rear end.
Exemplary embodiments of the present invention are introduced referring now to the drawings, however, the present invention can use many different shapes Formula is implemented, and is not limited to the embodiment described herein, and to provide these embodiments be at large and fully disclose The present invention, and the scope of the present invention is sufficiently conveyed to the technical personnel in the technical field.Show for what is be illustrated in the accompanying drawings Term in example property embodiment is not limitation of the invention.In the accompanying drawings, identical cells/elements use identical attached Icon note.
Unless otherwise indicated, term used herein(Including scientific and technical terminology)Have to the technical personnel in the technical field It is common to understand meaning.Further it will be understood that with the term that usually used dictionary limits, should be understood as and its The context of related fields has consistent meaning, and is not construed as Utopian or too formal meaning.
Embodiment 1:
As shown in Figure 1, the present invention provides a kind of continuous pipe pipe rope connection, including center-pole 1,1 outer wall of center-pole is certainly Conical section 101, cylindrical section 102 and undergauge section 103, the cylindrical section 102 and 101 minor diameter one of conical section are followed successively by under End is coherent, and C ring slips 2 is arranged on the conical section 101, and the outer surface of the C ring slips 2 is equipped with sawtooth bur, circle Lock sleeve 3 is connected to by the first screw thread A on shell of column 102,103 front end of undergauge section is connected to wirerope pressure by universal joint Cap;(Front end herein is the direction marked in attached drawing 1,2,3, specifically, before pipe rope connection connecting steel wire ropes one end is End, connecting continuous pipe one end is rear end)
The wirerope pressure cap is shorted 7, wire rope socket 8 by rope socket and wirerope briquetting 9 forms, and wire rope socket 8 is hollow Body is penetrated through, it is direct tube section 801 and conical cylinder section 802 respectively that its inner cavity, which is divided into two parts, the larger diameter end of conical cylinder section 802 and straight Cylinder section 801 is coherent, and one end that the rope socket is shorted 7 is connected to universal joint, and the other end is inserted by the second screw thread B of outer wall In direct tube section 801, the conical cylinder section 802 is built-in with wirerope briquetting 9, and 9 center of wirerope briquetting opens up through-hole, described Through-hole is used for 13 end of clamping wirerope.
Present invention aim to address the bearer connection problems of wirerope and oil pipe in continuous pipe ground poling operation, it is ensured that Before wirerope reaches capacity pulling force, connector will not be separated with continuous pipe, simultaneously, it is ensured that oil pipe passes through injection head.Tool Body, the working principle of continuous pipe pipe rope connection provided in this embodiment(The course of work)It is as follows:
Firstly, wirerope briquetting 9 is sequentially loaded into the conical cylinder section 802 of wire rope socket 8, after one end poured into aluminum alloy sleeve 11 The other end of wirerope 13 sequentially pass through wirerope briquetting 9 and conical cylinder section 802, and be pierced by from 8 front end of wire rope socket, until pouring The one end for building aluminum alloy sleeve 11 is stuck in 9 top large diameter hole of wirerope briquetting, as shown in Figure 2;So far, wirerope 13 passes through The cooperation of conical cylinder section 802 and wirerope briquetting 9 and continuous pipe pipe rope connection are completed to connect;
Secondly, wire rope socket 8, rope socket pipe nipple 7 and universal joint are sequentially connected by the second screw thread B, so that B, the second screw thread After the screw thread at 7 both ends of rope socket pipe nipple has all been gone up, 7 front end of rope socket pipe nipple is withstood wirerope briquetting and is covered in 9 top large diameter holes Aluminum alloy sleeve 11, position-limiting action is played to aluminum alloy sleeve 14, the spherical surface of 7 rear end of rope socket pipe nipple withstands universal joint, but does not influence Universal joint rotating freely on spherical surface;So far, 9 top large diameter holes, aluminum alloy sleeve 11 and steel are covered by wirerope briquetting Cord pipe nipple 7 cooperates, and completes the secondary fixation of wirerope 13 and continuous pipe pipe rope connection;
Then, lock sleeve 3 is connect by the first screw thread A with center-pole 1, the first screw thread A screw thread is in certainly up to C ring slips 2 By relaxed state;Universal joint is connected through a screw thread with the center-pole 1 for being connected with lock sleeve 3;So far, connector assembles It completes;It is inserted the connector into continuous pipe 10 from connector rear end, until the small diameter portion of lock sleeve 3 is entirely insertable continuous pipe Until in 10;By detaining thrust on lock sleeve 3, keeps C ring slips 2 mobile to the major diameter position of 1 conical surface of center-pole and open, C The sawtooth of ring slips 2 is engaged with continuous pipe internal surface, realizes that connector is connect with continuous pipe 10;So far, connector and continuous pipe 10 connection is completed.
It should be strongly noted that the front end, rear end in embodiment are described according to the mark of attached drawing 1.In Core bar 1 is slightly less than continuous bore by structure compositions, maximum outside diameters such as chamfering, circular conical surface, the first screw thread A;C ring slips 2, appearance There is sawtooth bur in face, prolong it is axial have pass through openings, inner surface has certain angle inclination angle, and 1 cone match of center-pole, by boring It is moved to the back-end on face, realizes the connection of connector and continuous pipe 10, meanwhile, elastic deformation can occur, not by thrust When, it can be retracted by natural resiliency, realize that connector is separated with continuous pipe 10,;Lock sleeve 3 passes through the first screw thread A and center-pole 1 connection realizes that 2 sawtooth of C ring slips is engaged or separated with continuous 10 inner wall of pipe with C ring slips 2 and cone match, specifically, lock Fixed 3 promotion C ring slips 2 moves to the back-end on the conical surface, and C ring slips 2 opens, and sawtooth engages with continuous 10 inner wall of pipe, passes through First screw thread A shackle, center-pole 1 move to the back-end, and C ring slips 2 is opposite to move forward, and separate with 1 conical surface major diameter position of center-pole, C ring slips 2 is retracted by elasticity, and sawtooth is separated with continuous 10 inner wall of pipe, realizes connector disassembly;Wirerope pressure cap, by steel wire Rope socket 8, wirerope briquetting 9, rope socket are shorted 7 compositions, the wirerope 13 and connector for realizing one end with aluminum alloy sleeve 11 Connection.
The continuous pipe pipe rope connection of the present embodiment is not limited to connect the continuous pipe of a certain specific dimensions or wirerope, can To determine size, the wirerope pressure of the conical cylinder section 802 of wire rope socket 8 according to the outer diameter of the internal diameter of continuous pipe 10 and wirerope 13 The maximum outside diameter of the hole size of block 9, the maximum outside diameter of lock sleeve 3 and center-pole 1, realize the wirerope 13 of sizes with The connection of the continuous pipe 10 of sizes.
Continuous pipe pipe rope connection of the invention had both been able to achieve to be reliably connected with continuous pipe, while also may be implemented and steel The connection of cord, and connect intensity may insure wirerope reach capacity pulling force when, continuous pipe pipe rope connection will not be with steel Cord or the separation of continuous pipe, and then can ensure that the continuous pipe of rope traction passes through injection head, realize continuous pipe ground poling Operation, and then realize and continuously manage safe and efficient installation, reduce operating personnel and ascend a height operations number, reduces operating personnel and exist The activity duration at injection head top and lower section, construction risk is significantly reduced, also carries out continuous pipe operation for technical staff Technical research.
Embodiment 2:
On the basis of embodiment 1, the lock sleeve 3 radially opens up limit hole 4, and the limit hole 4 runs through 3 wall of lock sleeve Thick and the first screw thread A, 4 interpolation of limit hole have the steady nail 12 of limit.
By limiting fastening of the steady nail 12 in limit hole 4, prevent lock sleeve 3 from releasing during the connection process, C ring slips 2 It is slipped to the minor diameter position of 1 conical surface of center-pole, causes connection failure;Meanwhile preventing from snapping through on lock sleeve 3 more, cause C ring card Watt excessive damage of 2 stress;So far, the connection of connector and continuous pipe 10 is completed.
Embodiment 3:
On the basis of embodiment 1, the universal joint is shorted 6 by universal ball end 5 and universal ball end and forms, and universal ball end 5 It is shorted between 7 and center-pole 1 in rope socket, the end face that the rope socket is shorted 7 is abutted with the spherical outside surface of universal ball end 5, center-pole 1 End face is inserted into the inner concave of universal ball end 5 by the third screw thread C of outer wall, and the universal ball end is shorted 6 front inner wall and rope Cap is shorted 7 and is threadedly coupled, and rear end inner wall opens up the spherical groove for placing universal ball end 5.(Front-end and back-end herein be attached drawing 1, 2, the direction marked in 3, specifically, pipe rope connection connecting steel wire ropes one end are front end, are connected after continuous pipe one end is End).
Specifically, universal joint is shorted 6 by universal ball end 5 and universal ball end and forms, and has screw thread in universal ball end 5, in Core bar 1 connects, and omnidirection rotation, and bent certain angle may be implemented, pass through injection head convenient for connector.
Embodiment 4:
On the basis of embodiment 1, the outer wall of the wirerope briquetting 9 is the cone to match with the conical cylinder section 802 of wire rope socket 8 Shape, the axial length of wirerope briquetting 9 are less than 802 axial length of conical cylinder section, and the through-hole at 9 center of wirerope briquetting is equipped with two sections, It is major diameter hole section 901 and minor diameter hole section 902 respectively, the major diameter hole section 901 and rope socket are shorted 7 close to and compressing When wirerope 13, major diameter hole section 901 is used to accommodate the aluminum alloy sleeve 11 of casting.
It should be strongly noted that the front end of conical cylinder section 802 and the front end of wirerope briquetting 9 form cone space, the cone Shape space, which is used for wirerope briquetting 9 when haulage cable, can move forward along the conical surface to cone space, wirerope briquetting 9 and cone cylinder Distance of the length difference of the axial length of section 802 as cone space.(Front-end and back-end herein are institute in attached drawing 1,2,3 The direction of mark, specifically, pipe rope connection connecting steel wire ropes one end are front end, and connecting continuous pipe one end is rear end).
Conical cylinder section 802 and wirerope pressure of the continuous pipe pipe rope connection when being connected and fixed with wirerope, in wire rope socket 8 The cooperation of 9 outer surface of block, so that the 13 tension masterpiece used time of wirerope, wirerope briquetting 9 prolongs the conical surface to the movement of connector front end, steel wire Rope 9 inner hole of briquetting, which becomes smaller, compresses wirerope 13, and wirerope briquetting 9 more moves down, and wirerope 13 is pressed tighter, realizes steel wire The primary fixation of rope 13 and connector;In the case where a solid failure, aluminum alloy sleeve 11 will be stuck in 901 He of major diameter hole section Stepped locations between 9 inner hole of wirerope briquetting bear the pulling force effect of wirerope 13, prevent wirerope 13 and connector point From the secondary fixation of realization wirerope 13 and connector.
Embodiment 5:
On the basis of embodiment 2, it is stuck on C ring slips 2 in order to avoid the continuous pipe 10 of appearance is too long, 4 institute of limit hole It is equal to the diameter of continuous pipe 10 to be connected in the diameter of the lock sleeve 3 at place.Specifically, continuous pipe 10 is being set on continuous pipe It when on pipe rope connection, is inserted the connector into continuous pipe 10 from connector rear end, until the small diameter portion of lock sleeve 3 is whole It is inserted into continuous pipe 10.
Embodiment 6:
On the basis of embodiment 1, in order to which smoothly continuous pipe 10 is set on continuous pipe pipe rope connection, the conical section The end face of one end of the center-pole 1 where 101 is equipped with chamfering.
Embodiment 7:
A kind of implementation method of continuous pipe pipe rope connection, includes the following steps:
Step 1 assembles continuous pipe pipe rope connection
S101:One end of wirerope 13 is placed in square casing, aluminium alloy is poured, forms aluminum alloy sleeve 11, takes out wirerope 13;
S102:Wirerope briquetting 9 is packed into the conical cylinder section 802 of wire rope socket 8, wirerope 13 is taken to sequentially pass through its free end It is formed between the direct tube section 801 of wire rope socket 8, the through-hole of wirerope briquetting 9,802 front end of conical cylinder section and 9 front end of wirerope briquetting Cone space, and be pierced by from wire rope socket 8, until one end that wirerope 13 is cast with aluminum alloy sleeve 11 is stuck in wirerope briquetting In 9 major diameter hole section 901;
S103:Wire rope socket 8, rope socket short circuit 7 and universal ball end are shorted 6 and pass sequentially through threaded connection, so that rope socket is shorted 7 Aluminum alloy sleeve 11 is withstood in one end, and the other end withstands universal ball end 5;
S104:Lock sleeve 3 is socketed on center-pole 1 by the first screw thread A, and is arranged C ring slips 2 on center-pole 1, makes C Ring slips 2 is in free relaxed state;
S105:Center-pole 1 is connect with universal ball end 5 by third screw thread C, the assembling of continuous pipe pipe rope connection is completed;
Step 2 connects continuous pipe and continuous pipe pipe rope connection
S201:2 end of C ring slips of continuous pipe pipe rope connection is inserted into continuous pipe 10, until 3 diameter of lock sleeve is less than continuously 10 diameter portion of pipe is entirely insertable in continuous pipe 10;
S202:By the upper button thrust of lock sleeve 3, keep C ring slips 2 mobile to the major diameter position of the conical section 101 of center-pole 1 And open, the sawtooth bur of C ring slips 2 is engaged with the inner surface of continuous pipe 10;
Step 3, the continuous pipe pipe rope connection that the traction of wirerope 13 is connected to continuous pipe 10 enter injection head from gooseneck boom, so After pass sequentially through injection head top, injection head chain center, injection head bottom blowout prevention box, and in injection head blowout prevention box and injection head Free folding in the confined space of pry bracket bottom makes wirerope 13 pass through blowout prevention box with continuous pipe 10;
Step 4 dismantles the connection of wirerope 13, continuous pipe 10 and continuous pipe pipe rope connection.Steel wire is dismantled in the step 4 Rope 13, continuous pipe 10 include with the step of continuous pipe pipe rope connection:
The steady nail 12 of disassembly limit, the retaining for releasing lock sleeve 3 relative to center-pole 1 act on, shackle the first screw thread A, 1 phase of center-pole Lock sleeve 3 is moved to the back-end, C ring slips 2 is separated with the major diameter position of the conical section 101 of center-pole 1, c-type slips 2 according to By natural resiliency, restores to the original state, complete the separation of continuous pipe pipe rope connection Yu continuous pipe 10;
Shackle the second screw thread B, rope socket pipe nipple 7 are separated with wire rope socket 8, and wirerope 13 passes sequentially through 802 front end of conical cylinder section and steel Cone space, wirerope briquetting 9 and direct tube section 801 between cord briquetting 9 are extracted out from wire rope socket 8, complete wirerope 13 with the separation of continuous pipe pipe rope connection.
Specifically, wirerope 13 has with continuous pipe pipe rope connection and fixes twice, is the conical cylinder section of wire rope socket 8 respectively 802 cooperate with the conical outer wall of wirerope briquetting 9, so that the 13 tension masterpiece used time of wirerope, wirerope briquetting 9 is along conical cylinder section 802 conical surface compresses wirerope 13, wirerope briquetting 9 to the cone space Forward between conical cylinder section 802 and wirerope briquetting 9 More mobile to cone space front end, wirerope 13 is pressed tighter, and completion wirerope 13 is primary with continuous pipe pipe rope connection It is fixed;
If a solid failure, aluminum alloy sleeve 11 will be stuck in the major diameter hole section 901 and minor diameter hole section 902 of wirerope briquetting 9 Between stepped locations, bear wirerope 13 pulling force effect, prevent wirerope 13 from separating with continuous pipe pipe rope connection, completion The secondary fixation of wirerope 13 and continuous pipe pipe rope connection.
It is worn in continuous pipe construction operation in conclusion the present invention provides one kind on ground, while connecting pipes are worn in connection The pipe rope connection of wirerope and continuous pipe, so that realization is drawn continuous during wearing continuous pipe using hoister system ground The wirerope that pipe enters injection head is connect with the transition of continuous pipe, and anchoring strength of the connector slips in oil pipe, meets steel wire Continuous pipe is introduced the drag load requirement of injection head by rope, meanwhile, make to can smoothly enter into injection head chain at the top of connector to injection head Center, it is freely curved in injection head blowout prevention box and the injection head bottom confined space after entering back into injection head bottom blowout prevention box Folding, makes the continuous pipe of rope belt pass through blowout prevention box.The present invention solves wirerope and continuous pipe, and in drag load, there are works Effective connection under condition, simultaneously, it is ensured that rope traction, which is continuously managed, smoothly enters injection head chain center from gooseneck boom, and suitable Benefit provides tool guarantee, and then the company of realizing by entire injection head, to penetrate continuous pipe operation using hoister system ground The safe and efficient installation of continuous pipe avoids auxiliary at the top of the injection heads such as operating personnel and wears continuous pipe construction step, while injecting In the case that head does not have to crane cooperation, the installation of achievable continuous pipe connector;Reduce operating personnel to ascend a height operations number, drop Low operating personnel significantly reduces construction risk at the top of injection head and the activity duration of lower section.
The foregoing examples are only illustrative of the present invention, does not constitute the limitation to protection scope of the present invention, all It is within being all belonged to the scope of protection of the present invention with the same or similar design of the present invention.The portion that the present embodiment does not describe in detail The well-known components and common structure or conventional means of part and the structure category industry, do not describe one by one here.

Claims (9)

1. a kind of continuous pipe pipe rope connection, including center-pole(1), it is characterised in that:The center-pole(1)Outer wall is from top to bottom It is followed successively by conical section(101), cylindrical section(102)With undergauge section(103), the cylindrical section(102)With conical section(101)It is small straight Diameter one end is coherent, the conical section(101)On be arranged C ring slips(2), the C ring slips(2)Outer surface be equipped with saw Tooth bur, cylindrical section(102)It is upper to pass through the first screw thread(A)It is connected to lock sleeve(3), undergauge section(103)Front end passes through Universal connector Head is connected to wirerope pressure cap;
The wirerope pressure cap is shorted by rope socket(7), wire rope socket(8)With wirerope briquetting(9)Composition, wire rope socket(8) For hollow perforation body, it is direct tube section respectively that its inner cavity, which is divided into two parts,(801)And conical cylinder section(802), conical cylinder section(802) Larger diameter end and direct tube section(801)Coherent, the rope socket is shorted(7)One end be connected to universal joint, the other end passes through Second screw thread of outer wall(B)It is inserted into direct tube section(801)Interior, described conical cylinder section(802)It is built-in with wirerope briquetting(9), described Wirerope briquetting(9)Center opens up through-hole, and the through-hole is used for clamping wirerope(13)End.
2. continuous pipe pipe rope connection as described in claim 1, it is characterised in that:The lock sleeve(3)Radially open up limit Position hole(4), the limit hole(4)Through lock sleeve(3)Wall thickness and the first screw thread(A), limit hole(4)Interpolation has the steady nail of limit (12).
3. continuous pipe pipe rope connection as described in claim 1, it is characterised in that:The universal joint is by universal ball end(5) It is shorted with universal ball end(6)Composition, universal ball end(5)It is shorted positioned at rope socket(7)And center-pole(1)Between, the rope socket is shorted (7)End face and universal ball end(5)Spherical outside surface abut, center-pole(1)End face pass through the third screw thread of outer wall(C)Insertion ten thousand To bulb(5)Inner concave, the universal ball end is shorted(6)Front inner wall and rope socket be shorted(7)It is threadedly coupled, rear end inner wall Open up placement universal ball end(5)Spherical groove.
4. continuous pipe pipe rope connection as described in claim 1, it is characterised in that:The wirerope briquetting(9)Outer wall be With wire rope socket(8)Conical cylinder section(802)The taper to match, wirerope briquetting(9)Axial length be less than conical cylinder section(802) Axial length, wirerope briquetting(9)The through-hole at center is equipped with two sections, is major diameter hole section respectively(901)With minor diameter hole section (902), the major diameter hole section(901)It is shorted with rope socket(7)Close to, and compressing wirerope(13)When, major diameter hole section (901)For accommodating the aluminum alloy sleeve of casting(11).
5. continuous pipe pipe rope connection as claimed in claim 2, it is characterised in that:The limit hole(4)Locking at place Set(3)Diameter be equal to continuous pipe to be connected(10)Diameter.
6. continuous pipe pipe rope connection as described in claim 1, it is characterised in that:The conical section(101)The center at place Bar(1)One end end face be equipped with chamfering.
7. a kind of implementation method of the continuous pipe pipe rope connection as described in any claim in claim 1~6, feature It is, includes the following steps:
Step 1 assembles continuous pipe pipe rope connection
S101:By wirerope(13)One end be placed in square casing, be poured aluminium alloy, formed aluminum alloy sleeve(11), take out steel Cord(13);
S102:By wirerope briquetting(9)It is packed into wire rope socket(8)Conical cylinder section(802)It is interior, take wirerope(13)Make its free end Sequentially pass through wire rope socket(8)Direct tube section(801), wirerope briquetting(9)Through-hole, conical cylinder section(802)Front end and wirerope Briquetting(9)The cone space formed between front end, and from wire rope socket(8)It is pierced by, until wirerope(13)It is cast with aluminium alloy Set(11)One end be stuck in wirerope briquetting(9)Major diameter hole section(901)It is interior;
S103:By wire rope socket(8), rope socket be shorted(7)It is shorted with universal ball end(6)Threaded connection is passed sequentially through, so that rope socket It is shorted(7)One end withstand aluminum alloy sleeve(11), the other end withstands universal ball end(5);
S104:By lock sleeve(3)Pass through the first screw thread(A)It is socketed in center-pole(1)On, and it is arranged C ring slips(2)In center-pole (1)On, make C ring slips(2)In free relaxed state;
S105:By center-pole(1)With universal ball end(5)Pass through third screw thread(C)Connection, completes the group of continuous pipe pipe rope connection Dress;
Step 2 connects continuous pipe and continuous pipe pipe rope connection
S201:By the C ring slips of continuous pipe pipe rope connection(2)The continuous pipe of end insertion(10)It is interior, until lock sleeve(3)Diameter is small In continuous pipe(10)Diameter portion is entirely insertable continuous pipe(10)It is interior;
S202:Pass through lock sleeve(3)Upper button thrust, make C ring slips(2)To center-pole(1)Conical section(101)Major diameter Position is mobile and opens, C ring slips(2)Sawtooth bur and continuous pipe(10)Inner surface engagement;
Step 3, wirerope(13)Traction is connected to continuously manage(10)Continuous pipe pipe rope connection enter injection from gooseneck boom Head, then passes sequentially through injection head top, injection head chain center, injection head bottom blowout prevention box, and in injection head blowout prevention box and Free folding in the confined space of injection head pry bracket bottom, makes wirerope(13)The continuous pipe of band(10)Pass through blowout prevention box;
Step 4 dismantles wirerope(13), continuous pipe(10)With the connection of continuous pipe pipe rope connection.
8. the implementation method of continuous pipe pipe rope connection as claimed in claim 7, which is characterized in that wirerope(13)With it is continuous Pipe pipe rope connection has to be fixed twice, is wire rope socket respectively(8)Conical cylinder section(802)With wirerope briquetting(9)Taper Outer wall cooperation, so that wirerope(13)Tension masterpiece used time, wirerope briquetting(9)Along conical cylinder section(802)The conical surface to conical cylinder section (802)With wirerope briquetting(9)Between cone space Forward, compress wirerope(13), wirerope briquetting(9)More to taper sky Between front end it is mobile, wirerope(13)It is pressed tighter, completes wirerope(13)With the primary fixation of continuous pipe pipe rope connection;
If a solid failure, aluminum alloy sleeve(11)Wirerope briquetting will be stuck in(9)Major diameter hole section(901)And small diameter bore Section(902)Between stepped locations, bear wirerope(13)Pulling force effect, prevent wirerope(13)It is connect with continuous pipe pipe rope Device separation, completes wirerope(13)With the secondary fixation of continuous pipe pipe rope connection.
9. the implementation method of continuous pipe pipe rope connection as claimed in claim 7, which is characterized in that dismantled in the step 4 Wirerope(13), continuous pipe(10)Include with the step of continuous pipe pipe rope connection:
The steady nail of disassembly limit(12), release lock sleeve(3)Relative to center-pole(1)Retaining effect, the first screw thread of shackle(A), Center-pole(1)Relative to lock sleeve(3)It is mobile to the back-end, C ring slips(2)With center-pole(1)Conical section(101)Major diameter Position separation, c-type slips(2)It by natural resiliency, restores to the original state, completes continuous pipe pipe rope connection and continuous pipe(10)Point From;
The second screw thread of shackle(B), rope socket pipe nipple(7)With wire rope socket(8)Separation, wirerope(13)Pass sequentially through conical cylinder section (802)Front end and wirerope briquetting(9)Between cone space, wirerope briquetting(9)And direct tube section(801)From wire rope socket (8)Wirerope is completed in middle extraction(13)With the separation of continuous pipe pipe rope connection.
CN201811003778.2A 2018-08-30 2018-08-30 Continuous pipe rope connector and implementation method Active CN108915611B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112127807A (en) * 2020-10-09 2020-12-25 中国石油天然气集团有限公司 Spring type guide ball head for continuous pipe penetration and use method
CN114562221A (en) * 2022-03-17 2022-05-31 中石化江钻石油机械有限公司 Full-time contact shock-proof type cardan shaft assembly

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ATA875573A (en) * 1972-10-16 1975-05-15 Sumitomo Metal Mining Co DRILLING DEVICE
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CN102182409A (en) * 2011-04-28 2011-09-14 中国石油天然气集团公司 Continuous tube guiding device
CN102619484A (en) * 2012-04-11 2012-08-01 中国石油集团川庆钻探工程有限公司钻采工程技术研究院 Well wall coring while drilling tool
CN208594873U (en) * 2018-08-30 2019-03-12 中国石油集团川庆钻探工程有限公司 Continuous pipe rope connector

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATA875573A (en) * 1972-10-16 1975-05-15 Sumitomo Metal Mining Co DRILLING DEVICE
CN201301683Y (en) * 2008-11-26 2009-09-02 大庆油田有限责任公司 Tubing plug for preventing oil well or water well from blowout
CN102182409A (en) * 2011-04-28 2011-09-14 中国石油天然气集团公司 Continuous tube guiding device
CN102619484A (en) * 2012-04-11 2012-08-01 中国石油集团川庆钻探工程有限公司钻采工程技术研究院 Well wall coring while drilling tool
CN208594873U (en) * 2018-08-30 2019-03-12 中国石油集团川庆钻探工程有限公司 Continuous pipe rope connector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112127807A (en) * 2020-10-09 2020-12-25 中国石油天然气集团有限公司 Spring type guide ball head for continuous pipe penetration and use method
CN114562221A (en) * 2022-03-17 2022-05-31 中石化江钻石油机械有限公司 Full-time contact shock-proof type cardan shaft assembly

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