Summary of the invention
Present invention aim to address the above-mentioned problems in the prior art, and to realize that tubing string is given up docking and wet typeElectrical connection provides a kind of oil well downhole cable wet type docking facilities.
The technical scheme is that
A kind of oil well downhole cable wet type docking facilities, including cable butting male connector and connector of giving up；
The cable butting male connector includes tubing nipple, and the tubing nipple lower part passes through external screw thread and outlet jointInternal thread hole is threadedly coupled, and the longitudinal section of the outlet joint is reversed convex type structure, and the outlet joint is sleeved on upper endIt is fixed that in the intermediate aperture of the righting and top surface of the diameter big end of reversed convex type structure is pressed on the top in the intermediate aperturePosition boss on, the top for docking outer cylinder be inserted in the annular gap between outlet joint and upper end righting and in the righting of upper endBetween aperture be threadedly coupled, dock outer cylinder roof compress outlet joint reversed convex type structure diameter big end bottom wall setting, in instituteThe outlet joint side stated was provided with cable aperture, and there is anti-rotation pin hole in the other side, and stop pin I is installed in the anti-rotation pin hole,Outlet joint and docking outer cylinder are fixed as one by the stop pin I, under the lower end barrel and one of the docking outer cylinderIt holds the neutral threaded hole of righting to be threadedly coupled, is threaded with and turns on the lower end inner wall of the intermediate aperture of the docking outer cylinderConnector, the adapter are compressed with the bottom wall for docking outer cylinder by the positioning convex platform being arranged on adapter and are positioned；
A piece upper end tube body for crossing liquid pipe is connect with the lower thread of the neutral threaded hole of the adapter, close to mistakeThe outer wall of the mistake liquid pipe of the connecting portion of liquid pipe and adapter is circumferential uniformly through multiple through-holes for crossing liquid pipe tube wall, describedIt crosses in the middle part of the outer wall of liquid pipe and is provided with helical teeth, the mistake liquid pipe lower part is provided with cylindrical necking down boss, in the circleSeparation sleeve plug, separation sleeve plug are fixed with by docking shear pin suit on mistake liquid pipe outer wall above cylindricality necking down bossBottom wall it is concordant at cylindrical necking down boss variable diameter be arranged, the upper end of the separation sleeve plug interstitial hole is provided with ladderAnnular groove is equipped with the split ring covered crossing in liquid pipe, in the ladder in the lower annular groove of the ladder annular grooveThe split ring blocking cap covered crossing in liquid pipe is installed, the split ring blocking cap compresses split ring and sets in the upper annular groove of annular grooveIt sets, the split ring blocking cap is threadedly coupled with separation sleeve plug, and the lower part between separation sleeve plug and excessively liquid pipe is provided with closeSeal；
Thread seal is connected with docking main body on crossing liquid pipe lower end outer wall, and the roof of the docking main body compresses cylinderWall surface is arranged at shape necking down boss variable diameter, and thread seal is connected with docking seeker on the docking lower body outer wall,It is provided with lower annular convex platform on the docking body outer wall above the roof of the docking seeker, is guided in the dockingHead roof and lower annular convex platform between docking body outer wall on be successively set with from top to bottom dead ring, conducting ring andLower dead ring, upper dead ring and lower dead ring are separately installed with sealing ring with docking between main body, upper dead ring external cylindrical surface andLower dead ring external cylindrical surface has three seals ring recess respectively and is equipped with sealing ring, conducting ring inner wall by the first inner lead withCable sealed joint I connects, and upper data one end cable L1 is connected with the first inner lead, the other end and the well head for being placed in groundIndustrial personal computer connection, is connect by cable sealed joint I with the first inner lead, and is connected to conducting ring realization, and seeker is dockedUpper end outer wall has seal groove and is equipped with sealing ring, and the seal groove lower part of docking seeker is provided with annular groove,One separation sleeve covers outside docking main body, separation sleeve plug and lower dead ring, the separation sleeve top and separation sleeve plugThread seal connection and bottom pass through interior annular groove and lower dead ring outer wall cutting ferrule is tightly connected, the cable sealed joint IIt was mounted on the bottom of the interstitial hole of liquid pipe and was supported on the roof of interstitial hole of docking main body；
The connector of giving up includes top connection, the neutral threaded hole spiral shell of the top connection bottom and slips body topLine is tightly connected, and the top of a piston of giving up is mounted on the interstitial hole of the slips main body neutral threaded hole lower partIt is interior, the piston of giving up with slips main body by being fixedly linked along four circumferentially uniformly distributed shear pins of giving up of slips main body,Piston upper end inner hole of giving up is ball socket structure, and piston upper end outer wall of giving up is ring structure, is given up outside piston upper end in describedIt is provided with sealing ring between wall and slips main body inner wall, is outwardly protruded on the piston outer wall of giving up and is provided with firstOuter annular boss outwardly protrudes setting on the slips main body bottom outer wall with the first outer annular boss opposite positionThere is the second outer annular boss, the piston upper end outer wall of giving up is provided with the annular shaft shoulder, the slips below the annular shaft shoulderA ring annular groove is provided in main body inner wall, when piston of giving up falls, the annular shaft shoulder can be supported on annular grooveUpper setting；
One connecting cylinder top covers on the lower part outer wall of slips main body and top passes through the axis on slips body outer wallShoulder positioning, is provided with sealing ring between slips main body and connecting cylinder, the second outer annular boss passes through the first external ringsShape boss, which compresses, to be fixed on the bottom wall of the positioning convex platform on connecting cylinder inner wall；
The top of one transit joint is threadedly coupled with the inner bolt hole of connecting cylinder lower end and the lower part of transit joint and mistakeThe inner bolt hole for flowing outer cylinder upper end is threadedly coupled, the connector shaft shoulder and connecting cylinder bottom wall that the connecting cylinder passes through setting among outer wallAnd overcurrent outer cylinder roof compresses be arranged to position respectively, it is standby to be threaded with righting in the overcurrent outer cylinder bottom outer wallCap, bottom is equipped with sealing outlet joint in the overcurrent outer cylinder, is arranged in the righting standby cap lower end interstitial holeThere is support level, the third outer annular boss being arranged in the sealing outlet joint bottom outer wall fixes on support level topOn wall between overcurrent outer cylinder bottom wall, there are cable aperture out and fixed connection and sealing outlet joint and mistake in sealing outlet joint sideThe stop pin II of outer cylinder is flowed, connecting short section top is threaded in the threaded hole of sealing outlet joint lower end, accepts the gaily decorated basketTop is connect with the neutral threaded hole of connecting short section lower end, and the undertaking gaily decorated basket is ring structure；
It is sequentially installed with butt joint 207 and lock up and down in overcurrent outer cylinder between the transit joint and sealing outlet jointBall seat is threadedly coupled, the internal thread hole of butt joint upper end between the lock ball seat top and the lower internal thread hole of butt jointBe threadedly coupled between butt joint body standby cap outer wall, on the interstitial hole inner wall of the butt joint between butt joint body standby cap and lock ball seat fromTop to bottm is disposed with insulation sleeve, conductive sleeve and lower insulation sleeve, the interstitial hole of upper insulation sleeve and lower insulation sleeve and butt jointBetween be respectively arranged between sealing ring, conductive sleeve and upper insulation sleeve and lower insulation sleeve and be provided with sealing ring, conductive sleeve passes through theTwo inner leads are connect with cable sealed joint II, and cable sealed joint II is mounted on lock ball seat and butt joint and overcurrent outer cylinderThread seal is connect between the gap of formation and between butt joint, and lower data one end cable L2 and the second inner lead connectIt connects, the other end is connected with laminated distributor under well production mandrel；
The butt joint and lock ball seat include cylindrical main body, are evenly equipped with three on the outer wall of the cylindrical main bodyA male arms, three male arms outer walls and overcurrent outer tube inner wall shape are coincide and three male arms outer walls and overcurrent outer cylinderInner wall be fitted close, between adjacent two male arms and overcurrent outer cylinder of butt joint and two adjacent male arms of lock ball seat withIt was respectively formed liquid channel between overcurrent outer cylinder, was provided on the outer wall of lock ball seat side along the direction perpendicular to butt joint body standby cap axisRadial screw bore is equipped with the lock ball with spring in the radial screw bore, among the lock ball seat in inner holeThe limit gaily decorated basket is installed and is connected between the two using shear pin, the limit gaily decorated basket is ring structure；
When cable butting male connector tubing string carrying under import set well connector of giving up inside, the cable butting male connector andThe position given up between each component of connector are as follows: it crosses liquid pipe and is arranged in connecting cylinder, the interior annular groove of the separation sleeve lower partTop surface be supported on butt joint body standby cap top surface, open with annular convex platform clamping under main body, the bottom surface of the interior annular groove is dockedChoma was hooked on helical teeth position in the middle part of liquid pipe, and upper insulation sleeve cuff makes the two form sealing, lower insulation sleeve on upper dead ringCuff makes the two form sealing on lower dead ring, and conductive sleeve cuff forms conductive connection so that upper data is electric on conducting ringCable L1 is connected to lower data cable L2 realization；Lock ball with spring is inserted through the docking seeker of the interstitial hole of lock ball seatAt annular groove, docking locking is realized；The limit gaily decorated basket, which is supported on, to be accepted on the gaily decorated basket.
The invention has the following advantages:
(1) connector of giving up is given up mode using pitching, high reliablity of giving up；Gaily decorated basket design is limited, has load and showsFunction is convenient for pipe distribution operation；Structure of locking ball locks after can realizing docking.
(2) for cable butting male connector using double righting structures up and down, whole righting effect is good, while protecting butt joint,Improve docking success rate.
(3) downhole cable wet type docking facilities have repetition docking capacity, and can maintain a long-term stability confession after successfully dockingElectricity with communicate, only cable butting male connector out and is safeguarded in pump detection and workover, is conducive to field operation.
Specific embodiment
To make the present invention be easier to be understood, below in conjunction with drawings and examples to technical solution of the present invention and itsTechnical effect is explained in detail.
As shown in Figure 1, oil well downhole cable wet type docking facilities of the invention include cable butting male connector and the company of giving upConnect device.
The cable butting male connector includes tubing nipple 101, and 101 lower part of tubing nipple passes through external screw thread and outletThe internal thread hole of connector 104 is threadedly coupled, and the longitudinal section of the outlet joint 104 is reversed convex type structure, and the outlet connectsFirst 104 be sleeved in the intermediate aperture of the upper end righting 103 and top surface of the diameter big end of reversed convex type structure be pressed on it is describedOn top positioning convex platform in intermediate aperture, the top of docking outer cylinder 105 is inserted between outlet joint 104 and upper end righting 103Annular gap in and be threadedly coupled with the intermediate aperture of upper end righting 103, the roof of docking outer cylinder 105 compresses outlet jointThe bottom wall of the diameter big end of 104 reversed convex type structures is arranged.Cable aperture, the other side were provided in 104 side of outlet jointThere is anti-rotation pin hole, stop pin I 102 is installed in the anti-rotation pin hole, the stop pin I 102 is by outlet joint 104 and rightIt connects outer cylinder 105 to be fixed as one, for limiting mutually rotating between outlet joint 104 and docking outer cylinder 105, so as to transmitTorque.The lower end barrel of the docking outer cylinder 105 is threadedly coupled with the neutral threaded hole of a lower end righting 106, describedDocking outer cylinder 105 intermediate aperture lower end inner wall on be threaded with adapter 107, the adapter 107 is by turningThe positioning convex platform being arranged on connector is compressed with the bottom wall for docking outer cylinder 105 and is positioned.
A piece upper end tube body for crossing liquid pipe 108 is connect with the lower thread of the neutral threaded hole of the adapter 107, InOuter wall close to the mistake liquid pipe 108 for the connecting portion for crossing liquid pipe 108 and adapter 107 is circumferentially uniformly distributed multiple (preferably four)The through-hole of 108 tube wall of liquid pipe is penetrated through, as shown in figure 3, being provided with helical teeth in the middle part of the outer wall of the mistake liquid pipe 108.Institute108 lower part of mistake liquid pipe stated is provided with cylindrical necking down boss, the mistake liquid pipe outer wall above the cylindrical necking down bossIt is upper that separation sleeve plug 109, the bottom wall of separation sleeve plug 109 and cylindrical necking down are fixed with by the docking suit of shear pin 116Concordantly it is arranged at boss variable diameter, the preferred docking shear pin 116 is circumferential uniformly distributed along separation sleeve plug 109.DescribedThe upper end of 109 interstitial hole of separation sleeve plug be provided with ladder annular groove, pacify in the lower annular groove of the ladder annular grooveEquipped with covering in the split ring 115 crossed in liquid pipe 108, it is equipped with to cover in the upper annular groove of the ladder annular groove and is crossing liquid pipeOn split ring blocking cap 114, the split ring blocking cap 114 compresses split ring 115 and is arranged, and split ring 115 is in split ring blocking cap114 effects are lower to be in axial restraint state, and the split ring blocking cap 114 is threadedly coupled with separation sleeve plug 109.Separation sleeve is stifledLower part between first 109 and mistake liquid pipe 108 is provided with sealing ring.
Thread seal is connected with docking main body 111 on crossing liquid pipe lower end outer wall.The roof pressure of the docking main body 111Wall surface setting at tight cylinder necking down boss variable diameter, thread seal is connected with pair on 111 lower end outer wall of docking main bodySeeker 112 is connect, is provided with lower convex annular on 111 outer wall of docking main body above the roof of the docking seeker 112Platform, on 111 outer wall of docking main body between the roof and lower annular convex platform of the described docking seeker 112 from top to bottom successivelyBe set with dead ring 117, conducting ring 118 and lower dead ring 119, upper dead ring 117 and lower dead ring 119 with dock main bodyIt is separately installed with sealing ring between 111, upper 117 external cylindrical surface of dead ring and lower 118 external cylindrical surface of dead ring have three close respectivelySeal slot is simultaneously equipped with sealing ring, and 118 inner wall of conducting ring connect (first with cable sealed joint I 113 by the first inner leadInner lead is connect i.e. with the sealing-plug cock body 92 in the cable connection sealing structure in the patent No. 201510288711.8Can), (i.e. the one end upper data cable L1 passes through the cable connection sealing in 201510288711.8 for the one end upper data cable L1The housing screw 94 of structure, copper ball 95 and rubber sleeve 97) it is connected with the first inner lead, the other end and the well head work for being placed in groundControl machine 306 (shown in Figure 12) connection, is connect by cable sealed joint I 113 with the first inner lead, and real with conducting ring 118Now it is connected to.Docking 112 upper end outer wall of seeker has seal groove and is equipped with sealing ring, and in the sealing of docking seeker 112Ring recess lower part is provided with annular groove, and the lower end of the docking seeker 112 is cone, convenient for guiding.
One 110 sets of separation sleeve are docking outside main body 111, separation sleeve plug 109 and lower dead ring, the separation sleeve110 tops are connect with 109 thread seal of separation sleeve plug and bottom is sealed by interior annular groove and lower 119 outer wall cutting ferrule of dead ringConnection.
The cable sealed joint I 113 was mounted on the bottom of the interstitial hole of liquid pipe 108 and was supported on docking main bodyOn the roof of 111 interstitial hole.I 113 structure of cable sealed joint is referring to " intelligent output well water blockoff stimulation system and its controlAttached cable connection sealed structural schematic diagram shown in Fig. 9 in method (patent No. 201510288711.8) ".
The connector of giving up includes top connection 201, in 201 bottom of top connection and 202 top of slips main bodyBetween threaded hole thread seal connect, the top of a piston 204 of giving up is mounted on 202 intermediate thread of slips main bodyIn the interstitial hole of hole lower part, it is described give up piston 204 and slips main body 202 by along slips main body 202 it is circumferentially uniformly distributed fourA shear pin 203 of giving up is fixedly linked, and shear pin 203 of giving up is given up to realize that 204 axial position of piston of giving up is fixed204 upper end inner hole of piston is ball socket structure, and 204 upper end outer wall of piston of giving up is ring structure, is given up on piston 204 in describedIt is provided with sealing ring between end outer wall and 202 inner wall of slips main body, is outwardly protruded on 204 lower end outer wall of piston of giving upIt is provided with the first outer annular boss.Preferably, multiple tracks ring groove shape is distributed along the circumference in 202 middle and lower part of slips main bodyAt elastic claw structure is similar to, it can make slips main body middle and lower part that there is elasticity in this way.Opposite with the first outer annular bossIt answers to outwardly protrude on the 202 bottom outer wall of slips main body of position and is provided with the second outer annular boss.The piston of giving up204 upper end outer walls are provided with the annular shaft shoulder, are provided with a ring annular groove in the slips main body inner wall below the annular shaft shoulder, when losingWhen hand piston 204 falls, the annular shaft shoulder, which can be supported on annular groove, to be arranged.
One 205 top of connecting cylinder covers on the lower part outer wall of slips main body 202 and top passes through outside slips main body 202Shaft shoulder positioning on wall, is provided with sealing ring, the second outer annular boss between slips main body 202 and connecting cylinder 205It is compressed and is fixed on the bottom wall of the positioning convex platform on 205 inner wall of connecting cylinder by the first outer annular boss.
The top of one transit joint 206 is threadedly coupled with the inner bolt hole of 205 lower end of connecting cylinder and transit joint 206Lower part is threadedly coupled with the inner bolt hole of 208 upper end of overcurrent outer cylinder, the joint axis that the connecting cylinder 205 passes through setting among outer wallShoulder compresses respectively with connecting cylinder bottom wall and 208 roof of overcurrent outer cylinder to be arranged to position.Outside 208 bottom of overcurrent outer cylinderRighting standby cap 213 is threaded on wall, it is preferred that be provided on 213 lower end outer wall of righting standby cap guiding chamfering structure withHandling capacity of raising tool during tubing string removes prevents the chance card that is hampered.Bottom is installed in the overcurrent outer cylinder 208There is sealing outlet joint 211, is provided with support level in the 213 lower end interstitial hole of righting standby cap, described sealsThe third outer annular boss being arranged in 211 bottom outer wall of wire terminal fixes on support level roof and 208 bottom of overcurrent outer cylinderBetween wall, there are cable aperture out and fixed connection and sealing outlet joint 211 and overcurrent outer cylinder 208 in sealing 211 side of outlet jointStop pin II 212,214 top of connecting short section be threaded in sealing 211 lower end of outlet joint threaded hole in, accept the gaily decorated basket215 top is connect with the neutral threaded hole of 214 lower end of connecting short section, and the undertaking gaily decorated basket 215 is ring structure.
It is sequentially installed with and docks up and down in overcurrent outer cylinder 208 between the transit joint 206 and sealing outlet joint 211First 207 and lock ball seat 210, it is threadedly coupled between 210 top of lock ball seat and the lower internal thread hole of butt joint 207, it is rightIt is threadedly coupled between the internal thread hole of 207 upper end of connector and 216 outer wall of butt joint body standby cap, in butt joint body standby cap 216 and lock ball seatBe disposed with from top to bottom on the interstitial hole inner wall of butt joint 207 between 210 insulation sleeve 217, conductive sleeve 218 and it is lower absolutelyEdge set 219, is respectively arranged with sealing ring between upper insulation sleeve 217 and lower insulation sleeve 219 and the interstitial hole of butt joint 207, conductiveSealing ring is provided between set 218 and upper insulation sleeve 217 and lower insulation sleeve 219, conductive sleeve 218 passes through the second inner lead and electricityCable seal nipple II 209 connects (connecting with the cable connection sealing structure in the patent No. 201510288711.8), electricityCable seal nipple II 209 is mounted between lock ball seat 210 and butt joint 207 and the gap of overcurrent outer cylinder formation and and butt jointThread seal connection is (between the cable connection sealing structure and butt joint 207 i.e. in the patent No. 201510288711.8 between 207Thread seal connection), lower data one end cable L2 is connected with the second inner lead, the other end and laminated distributor under well production mandrel(Figure 12) connection, by cable sealed joint II 209 (in the cable connection sealing structure i.e. in the patent No. 201510288711.8Housing screw 94, copper ball 95 and rubber sleeve 97) connect with the second inner lead, and with conductive sleeve 218 realization be connected to.
Cable sealed joint II 209 is exhausted with environmental liquids sealing after introducing butt joint 207 for realizing data cable L2Edge.Cable sealed joint II 209 is identical as I 113 structure of cable sealed joint, referring to " intelligent output well water blockoff stimulation systemAnd its control method (patent No. 201510288711.8) " in attached cable connection sealed structural schematic diagram shown in Fig. 9.
As shown in Figure 5 and Figure 6, the butt joint 207 and lock ball seat 210 include cylindrical main body, in the annulusUniformly distributed on the outer wall of shape main body there are three male arms, and three male arms outer walls coincide with 208 inner wall shape of overcurrent outer cylinder and instituteThe three male arms outer walls and 208 inner wall of overcurrent outer cylinder stated are fitted close, adjacent two male arms and overcurrent outer cylinder of butt joint 207Liquid channel g, lock ball seat were respectively formed between 208 and between adjacent two male arms and overcurrent outer cylinder 208 of lock ball seat 210It is provided with radial screw bore along the direction perpendicular to 216 axis of butt joint body standby cap on 210 side outer walls, in the radial screw boreLock ball 220 with spring is inside installed, the limit gaily decorated basket 221 and two is installed in the intermediate inner hole of lock ball seat 210It is connected between person using shear pin, the limit gaily decorated basket 221 is ring structure.
When cable butting male connector tubing string carrying under import set well connector of giving up inside, the cable butting male connector andThe position given up between each component of connector are as follows: cross liquid pipe and be arranged in connecting cylinder 205,110 lower part of separation sleeve it is interiorThe top surface of annular groove with dock annular convex platform clamping under main body 111, the bottom surface of the interior annular groove is supported on butt joint body standby capOn 216 top surfaces, split ring 115 was hooked on 108 middle part helical teeth position of liquid pipe, and upper 217 cuff of insulation sleeve is on upper dead ring 117The two is set to form sealing, lower 219 cuff of insulation sleeve seals the two formation on lower dead ring 119, and 218 cuff of conductive sleeve is being ledIt is formed and is conductively connected so that upper data cable L1 is connected to lower data cable L2 realization on electric ring 118；Lock with springBall 220 is inserted through at 112 annular groove of docking seeker of the interstitial hole of lock ball seat 210, realizes docking locking；Limit the gaily decorated basket221 are supported on the undertaking gaily decorated basket 215.
The connector of giving up is given up mode using pitching, and ball 222 is finally seated 204 upper end of piston of giving up in Fig. 8Ball seat moves downward as shown in figure 8, the cutting of piston 204 of giving up after ground pressure is given up after shear pin 203, until work of giving upThe annular groove position that the 204 upper end annular shaft shoulders reach slips main body 202 is filled in, 204 lower end of piston of giving up at this time is first annular convexPlatform discharges 202 the second annular convex platform of lower end of slips main body, and slips main body 202 and connecting cylinder 205 disconnect, and above proposes electric pump productionTop connection 201, slips main body 202 and piston 204 of giving up can be proposed that rest part sets well, as shown in Figure 9 by tubing string 301.
Figure 10 is the final mated condition of downhole cable wet type docking facilities, and the cable butting male connector is led under tubing string carryingEnter inside the connector of giving up, the annular shaft shoulder lower end surface of the separation sleeve 110 reaches 216 upper surface of butt joint body standby cap and at itIt is cut under active force and docks shear pin 116,109 uplink of separation sleeve 110 and separation sleeve plug, 110 interior annular groove of separation sleeveTop surface eventually arrives at the lower annular convex platform clamping of docking main body 111, and as shown in figure 11, split ring 115 was in 108 middle part of liquid pipe tiltedlyTooth position is set, and is played the role of anti-lost；Upper dead ring 117 is formed with upper insulation sleeve 217 to be sealed, lower dead ring 119 and lower insulation sleeve 219Sealing is formed, conducting ring 118 and conductive sleeve 218, which are formed, to be conductively connected, so upper data cable L1 and lower data electricityCable L2 realizes connection；Lock ball 220 with spring is located at docking 112 annular groove of seeker, realizes docking locking；Limit flowerBasket 221 is fallen after cutting pin on undertaking 215 top of the gaily decorated basket.
Use tubing string given up docking is electrically connected with wet type is realized with downhole cable wet type docking facilities using above-mentioned oil wellMethod the following steps are included:
(1) it gives up shown in Figure 12 303 lower end of connector connection separate-layer string 304, upper end jointed rod (or oil pipe) shape afterwardsEnter well at Back-off Pipe String and with tubing string.
(2) tubing string reaches the pitching at well head behind predetermined position, while small displacement chases after ball, finally falls within piston 204 of giving upUpper end ball seat, at this point, well head pressurizes, piston 204 of giving up moves downward after cutting shear pin 203 of giving up under hydraulic actionTo 202 annular groove position of slips main body, 202 lower end the second outer annular boss of slips main body is disconnected on 205 inner wall of cylinderPositioning convex platform, slips main body 202 and connecting cylinder 205 are detached from, to realize that whole tubing string is slipped out of the hand.
(3) Back-off Pipe String is above mentioned, connector 303 of giving up, slips main body 202 and above section rise with tubing string, connecting cylinder205 and it is partially disposed in underground below.
(4) cable butting male connector 302 is connected to the bottom of electric pump flow string 301 by tubing nipple, electric pump is rawAfter producing the decentralization in place of tubing string 301, cable butting male connector 302 arrived connector 303 of giving up and limit 221 position of the gaily decorated basket and cut at this timeDisconnected pin.
(5) well head scribing line piping, connected pipes are hung, and are transferred tubing string for tubing hanger and are seated in production tree cable butting male connector at this time302 smoothly import connector 303 of giving up, and 302 conducting ring 118 of cable butting male connector connects with 302 conductive sleeve 218 of connector of giving upTouching forms conductive connection state, the upper and lower dead ring 117,119 of cable butting male connector 302 and the upper and lower insulation sleeve of connector of giving up217,219 contacts form sealed insulation, upper data cable L1 and lower data cable L2 in downhole cable wet type docking facilitiesThe connection of complete conductive sealed insulation is formed under effect, and complete line company is established between well head industrial personal computer and laminated distributor under well production mandrelIt connects.
(6) after docking, well head industrial personal computer, which powers on and sends instruction, gives laminated distributor under well production mandrel, if well head industrial personal computer can be justLaminated distributor under well production mandrel returned data is often received, judges to dock success or not.Otherwise, upper lifting pipe post repeats step (5).
Schematic description of the technical scheme of the invention is schematically described in conjunction with the accompanying drawings and embodiments above, but the present invention not officeIt is limited to above-mentioned specific embodiment.Those skilled in the art are it should be appreciated that in practical applications, in the present inventionThe planform or set-up mode of flow string and the specific steps of production method are likely to occur certain changes, and otherPersonnel may also make design similar with its under its enlightenment.In particular, it should be pointed out that being set without departing from of the inventionObjective is counted, all obvious changes are all included in the scope of protection of the present invention.