CN205918396U - Cable bridging plug setting tool - Google Patents

Cable bridging plug setting tool Download PDF

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Publication number
CN205918396U
CN205918396U CN201620686586.6U CN201620686586U CN205918396U CN 205918396 U CN205918396 U CN 205918396U CN 201620686586 U CN201620686586 U CN 201620686586U CN 205918396 U CN205918396 U CN 205918396U
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CN
China
Prior art keywords
bridging plug
cavity
piston
hydraulic pressure
setting tool
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Application number
CN201620686586.6U
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Chinese (zh)
Inventor
喻志骅
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万瑞(北京)科技有限公司
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Priority to CN201620686586.6U priority Critical patent/CN205918396U/en
Application granted granted Critical
Publication of CN205918396U publication Critical patent/CN205918396U/en

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Abstract

The utility model discloses a cable formula bridging plug setting tool, including upper portion connecting device, drive arrangement, control valve block, hydraulic pressure final controlling element and the pushing cylinder adapter that connects gradually, when when control valve block is in first state, drive arrangement according to the first direction to hydraulic pressure final controlling element carries hydraulic oil, so that hydraulic pressure final controlling element drives the pushing cylinder adapter stretches out downwards, when when control valve block is in the second state, drive arrangement according to the second direction to hydraulic pressure final controlling element carries hydraulic oil, so that hydraulic pressure final controlling element drives the pushing cylinder adapter is the withdrawal upwards. This bridging plug setting tool passes through the seat that hydraulic control had realized the bridging plug and seals, has reduced the danger coefficient of operation greatly, guaranteed operational safety, and hydraulic drive's is stable higher for the bridging plug sit to seal has higher success rate, and is under construction that the degree of difficulty is less, construction cost is also lower, has reduced the degree of difficulty of operation.

Description

A kind of electric cable bridge plug setting tool

Technical field

This utility model is related to petroleum detection technical field, more particularly, to a kind of electric cable bridge plug setting tool.

Background technology

Well logging is using geophysical property such as the electrochemical properties of rock stratum, conductive characteristic, acoustic characteristic, radioactivity, surveys The method of amount geophysical parameterses.

During oil drilling, logged well after getting into the deep degree of planned well, to obtain various petroleum geologies and engineering technology Data, as completion and the raw data developing oil fields.This well logging is traditionally referred to as bore hole well logging (completion well logging).Bridging plug is For the isolating tool to different Oil/gas Well layer position in Oil/gas Well, it is easy to carry out mining by stages to different oil-gas Layer, there is construction Operation is few, cycle is short, the accurate feature in card envelope position, is divided into permanent type bridging plug and two kinds of detachable bridge plug.Bridging plug sets and refers to By certain instrument, bridging plug is delivered to certain position of Oil/gas Well, and discharges bridging plug and be secured in Oil/gas Well.Bridging plug Setting tool refers to bridging plug is delivered to the position of down-hole requirement, and bridging plug is discharged, and is that the auxiliary of bridging plug pushes setting tool.

In prior art, bridging plug setting tool mainly has cable type setting tool and oil conduit conveying type setting tool.Existing Cable type setting tool is mainly gunpowder formula setting tool.

Domestic at present widely used gunpowder formula electric cable bridge plug setting tool is to introduce from the U.S. eighties in last century.Should Instrument carries detonator and slow release explosive, applies electric pulse detonating primer, explosive with cable, and slow release explosive charge produces high pressure, leads to Cross hydraulic cylinder and piston, high pressure converted is pulling force, finally realize bridging plug and set.

Existing gunpowder formula electric cable bridge plug setting tool has the drawback that

First, set bridging plug using the boosting power that powder burning produces, difficulty of construction is big, construction cost is high, operation is difficult Degree is larger;

Secondly, onsite application gunpowder leads to danger coefficient big compared with high, potential safety hazard;

In addition, being used gunpowder not high as the success rate of boosting power;

Finally, it is required for afterwards again maintaining after the dismounting of bridging plug setting tool, fills gunpowder, to operation using complete every time The requirement of technical ability is higher, and program is loaded down with trivial details.

In view of this it would be highly desirable to in prior art, design a kind of new electric cable bridge plug setting tool with looking for another way, On the premise of guarantee sets the success rate of bridging plug, reduce difficulty of construction, reduce the potential safety hazard that bridging plug sets.

Utility model content

The purpose of this utility model, for providing a kind of electric cable bridge plug setting tool, is realized bridging plug by hydraulic control and is set, Improve the success rate that bridging plug sets, reduce difficulty of construction, construction cost, reduce the danger coefficient of construction, it is to avoid produce safety hidden Suffer from, and ensure that operation sequence is simple, easy to use.

For solving above-mentioned technical problem, this utility model provides a kind of cable type bridging plug setting tool, including being sequentially connected Upper connecting connection parts, driving means, control valve block, hydraulic pressure execution device and pushing cylinder adapter;

When described control valve block is in first state, described driving means execute dress according to first direction to described hydraulic pressure Put delivery hydraulic pressure oil, so that described hydraulic pressure execution device drives described pushing cylinder adapter to extend downwardly from;

When described control valve block is in the second state, described driving means execute dress according to second direction to described hydraulic pressure Put delivery hydraulic pressure oil, so that described hydraulic pressure execution device drives described pushing cylinder adapter to retract upwards.

Using the bridging plug setting tool of this structure, setting of bridging plug is achieved by hydraulic control, in prior art Gunpowder formula setting tool compare, substantially reduce the danger coefficient of operation it is ensured that processing safety, and hydraulicdriven steady Qualitative higher so that bridging plug sets has higher success rate.Additionally, the difficulty of construction of this fluid pressure type bridging plug setting tool is relatively Little, construction cost is relatively low, reduces the difficulty of operation.And, compared with prior art, this fluid pressure type bridging plug setting tool All dismantle after need not using every time, maintain, filling the red tapes such as gunpowder, there is simple, easy to use excellent of operation sequence Point.

Preferably, described hydraulic pressure execution device be two-stage hydraulic cylinder, including cylinder barrel, be provided with described cylinder barrel two pistons, Two piston rods, wherein upper piston rod is connected with lower piston, and is additionally provided with the fixing interval in position between upper piston, lower piston Ring;

Between described upper piston and described control valve block, between described upper piston and described spacer ring, described spacer ring with Between described lower piston, formed respectively between described lower piston and the bottom end cover of described cylinder barrel the first cavity, the second cavity, the 3rd Cavity and the 4th cavity;

When described control valve block is in first state, described driving means are to described first cavity, the 3rd cavity conveying Hydraulic oil, described second cavity, described 4th cavity are oil back chamber;When described control valve block is in the second state, described drive To described second cavity, described 4th cavity delivery hydraulic pressure oil, described first cavity, described 3rd cavity are oil return to dynamic device Chamber.

Preferably, described control valve block includes two position and four-way reversing valves;

When described reversal valve is in primary importance, the outfan of described driving means, the oil-in of described reversal valve, One hydraulic fluid port is connected with described first cavity, described 3rd cavity, the oil return opening of described reversal valve, the second hydraulic fluid port, described second Cavity, described 4th cavity are connected with fuel reserve tank;

When described reversal valve is in the second position, the outfan of described driving means, described oil-in, the second hydraulic fluid port with Described first cavity, described second cavity connection, the oil return opening of described reversal valve, the first hydraulic fluid port, described second cavity with described Fuel reserve tank connects.

Preferably, it is additionally provided with check valve between described driving means and described reversal valve, the opening of described check valve points to It is additionally provided with overflow valve on hydraulic branch between described reversal valve, and described driving means, described check valve.

Preferably, also include the detection part of the displacement for detecting described piston rod, described detection part is located at described On spacer ring.

Preferably, described driving means include motor driving circuit board and power set, and described power set include first Motor and hydraulic pump, the output shaft of described hydraulic pump is connected with described hydraulic pressure execution device by described control control valve block.

Preferably, also include outer shell barrel, described motor driving circuit board, described power set are mounted on described outer shell barrel Interior, described outer shell barrel is provided with pouring orifice between described motor driving circuit board, described power set.

Preferably, described outer shell barrel is additionally provided with air vent between described motor driving circuit board, described power set;And It is additionally provided with bascule between described motor driving circuit board, described power set.

Preferably, described bascule is included located at described outer shell barrel inner equilibrium piston rod, dummy piston, and located at institute State the balancing spring between dummy piston, described motor.

Preferably, it is additionally provided with stable steering block in described outer shell barrel, in the middle part of described guide pad, be provided with the first pilot hole, described Dummy piston bar is slidably plugged in described first pilot hole.

Preferably, described outer shell barrel is additionally provided with the described electricity of isolation between described motor driving circuit board, described pouring orifice Drive circuit plate, the bearing disc of described bascule.

Preferably, described pushing cylinder adapter includes being sheathed on the guide pipe outside described lower piston rod, described guide pipe Upper end connects described bottom end cover, lower end is connected with bridging plug joint, and described guide pipe is provided with the second pilot hole axially extending; The contiguous block that described lower piston rod passes through radially across described second pilot hole connects bottom union joint, pushing cylinder, and described bottom is even Joint, pushing cylinder are sheathed on the outside of described guide pipe;So that described bottom union joint, described pushing cylinder are with described lower piston rod relatively In described bridging plug joint motion, break the release ring on bridging plug, bridging plug is discharged.

Preferably, it is additionally provided with additional releasing parts between described guide pipe and described bridging plug joint.

Preferably, described additional releasing parts are to connect described guide pipe, the tinsel of described bridging plug joint, described metal Silk fuses when can reach preset value being passed through electric current automatically.

Preferably, described additional releasing parts include connecting described guide pipe, the bearing pin of described bridging plug joint, also include Two motors and screw mandrel, described screw mandrel one end connects the second motor, the other end connects described bearing pin, and described screw mandrel can be in described motor Driving under move, pull out described bearing pin.

Brief description

A kind of structural representation of specific embodiment by this utility model provided electric cable bridge plug setting tool for the Fig. 1;

Fig. 2 is the outline drawing of electric cable bridge plug setting tool shown in Fig. 1;

Fig. 3 is in fundamental diagram during backup state for electric cable bridge plug setting tool shown in Fig. 1;

Fig. 4 is in fundamental diagram during recovery state for electric cable bridge plug setting tool shown in Fig. 1;

Fig. 5 is electric cable bridge plug setting tool shown in Fig. 1 and the working state figure in down-hole for the bridging plug.

Wherein, in Fig. 1 to Fig. 5:

Upper connecting connection parts 1;

Driving means 2;Motor driving circuit board 21;First motor 22;Hydraulic pump 23;Outer shell barrel 24;Pouring orifice 241;Row QI KOU 242;Bearing disc 25;

Control valve block 3;Reversal valve 31;Oil-in a;First hydraulic fluid port b;Second hydraulic fluid port c;Oil return opening d;Check valve 32;Overflow Valve 33;

Hydraulic pressure execution device 4;Cylinder barrel 41;Upper piston 42;Upper piston rod 43;Lower piston 44;Lower piston rod 45;Spacer ring 46;Bottom end cover 47;First cavity a, the second cavity b, the 3rd cavity c, the 4th cavity d;

Pushing cylinder adapter 5;Guide pipe 51;Pushing cylinder 52;Bridging plug joint 53;Contiguous block 54;Bottom union joint 55;Additional release Part 56;

Detection part 6;

Bascule 7;Dummy piston bar 71;Dummy piston 72;Balancing spring 73;Stable steering block 74;

Bridging plug 100;Slips 101;Internal surface of sleeve pipe 200.

Specific embodiment

Core of the present utility model, for providing a kind of electric cable bridge plug setting tool, achieves bridging plug by hydraulic control and sits Envelope, improves the success rate that bridging plug sets, reduces difficulty of construction, construction cost, reduce the danger coefficient of construction, it is to avoid produce Raw potential safety hazard, and ensure that operation sequence is simple, easy to use.

In order that those skilled in the art more fully understands the technical solution of the utility model, below in conjunction with the accompanying drawings and tool The utility model is described in further detail for body embodiment.

It should be noted that the herein presented noun of locality " upper and lower " is all to be made in down-hole with electric cable bridge plug setting tool State during industry and arrange, their appearance should not limit the protection domain of the application.

Refer to Fig. 1 and Fig. 2, Fig. 1 is a kind of specific embodiment party of this utility model provided electric cable bridge plug setting tool The structural representation of formula;Fig. 2 is the outline drawing of electric cable bridge plug setting tool shown in Fig. 1.

In a kind of specific embodiment, as depicted in figs. 1 and 2, the application provides a kind of cable type bridging plug setting tool, Fit including the upper connecting connection parts 1 being sequentially connected from top to bottom, driving means 2, control valve block 3, hydraulic pressure execution device 4 and pushing cylinder Orchestration 5.

Wherein, upper connecting connection parts 1 are used for being connected bridging plug setting tool with other instruments or end, realize bridging plug and sit Envelope instrument is connected with other instruments.Driving means 2 provide power for bridging plug setting tool.Control valve block 3 controls driving means 2 Direction to hydraulic pressure execution device 4 delivery hydraulic pressure oil.Hydraulic pressure execution device 4 is used for driving under the positive pressure effect of hydraulic oil Pushing cylinder adapter 5 pushes down against, or drives pushing cylinder adapter 5 to reclaim upwards under the buffer brake effect of hydraulic oil.Located at The pushing cylinder adapter 5 of bottom is used for connecting bridging plug, and when being moved downwardly to correct position under the drive in hydraulic pressure execution device 4 Release bridging plug, realizes bridging plug and sets.

Specifically, when control valve block 3 is in first state, driving means 2 are according to first direction to hydraulic pressure execution device 4 Delivery hydraulic pressure oil, so that hydraulic pressure execution device 4 drives pushing cylinder adapter 5 to extend downwardly from, realizes bridging plug and sets.When control valve block 3 When being in the second state, driving means 2 are oily to hydraulic pressure execution device 4 delivery hydraulic pressure according to second direction, so that hydraulic pressure executes dress Put 4 drive pushing cylinder adapters 5 to retract upwards, realize the recovery of bridging plug setting tool.

Using the bridging plug setting tool of this structure, setting of bridging plug is achieved by hydraulic control, in prior art Gunpowder formula setting tool compare, substantially reduce the danger coefficient of operation it is ensured that processing safety, and hydraulicdriven steady Qualitative higher so that bridging plug sets has higher success rate.Additionally, the difficulty of construction of this fluid pressure type bridging plug setting tool is relatively Little, construction cost is relatively low, reduces the difficulty of operation.And, compared with prior art, this fluid pressure type bridging plug setting tool All dismantle after need not using every time, maintain, filling the red tapes such as gunpowder, there is simple, easy to use excellent of operation sequence Point.

The concrete structure of above-mentioned hydraulic pressure execution device 4 can also be set further.

Incorporated by reference to Fig. 1 and Fig. 3, Fig. 4, the work that Fig. 3 is in during backup state for electric cable bridge plug setting tool shown in Fig. 1 is former Reason figure;Fig. 4 is in fundamental diagram during recovery state for electric cable bridge plug setting tool shown in Fig. 1.

In a kind of concrete scheme, above-mentioned hydraulic pressure execution device 4 is two-stage hydraulic cylinder, including cylinder barrel 41, sets in cylinder barrel 41 There are two pistons, two piston rods, wherein upper piston rod 43 is connected with lower piston 44, and between upper piston 42, lower piston 44 also It is provided with the fixing spacer ring 46 in position;Between upper piston 42 and control valve block 3, between upper piston 42 and spacer ring 46, spacer ring Between 46 and lower piston 44, formed respectively between lower piston 44 and the bottom end cover 47 of cylinder barrel 41 first cavity a, the second cavity b, Three cavity c and the 4th cavity d.

When control valve block 3 is in first state, driving means 2 are oily to the first cavity a, the 3rd cavity c delivery hydraulic pressure, the Two cavity b, the 4th cavity d are oil back chamber.First cavity a, the 3rd cavity c constantly increase under the pressure effect of hydraulic oil, enter And promote two pistons, two piston rods all to push down against, drive pushing cylinder adapter 5 to move to desired location, meanwhile, the Two cavity b, the 4th cavity d constantly diminish, and unnecessary hydraulic oil flows back to fuel tank.

When control valve block 3 is in the second state, driving means 2 are oily to the second cavity b, the 4th cavity d delivery hydraulic pressure, the One cavity a, the 3rd cavity c are oil back chamber.Second cavity b, the 4th cavity d constantly increase under the pressure effect of hydraulic oil, enter And promote two pistons, two piston rods all to reclaim upwards, drive pushing cylinder adapter 5 to move upwards, meanwhile, the first cavity A, the 3rd cavity c constantly diminish, and unnecessary hydraulic oil flows back to fuel tank.

From above-mentioned work, using this two-stage hydraulic cylinder as hydraulic pressure execution device 4, pressure is constant, external diameter phase With in the case of, increase the area of piston, and then increase the push-pull effort of piston, and increase the push-and-pull stroke of piston rod, Disclosure satisfy that bridging plug sets the larger requirement of stroke.And, adopt this two-stage hydraulic cylinder, two pistons are by piston rod even Connect, enhance the connection reliability of piston rod, and spacer ring 46 plays certain supporting role to piston rod.With setting one very The single stage hydraulic cylinder of long piston rod compares, it is to avoid and the generation that produce the wild effects such as amount of deflection long due to piston rod.

The concrete structure of above-mentioned control valve block 3 can also be set further.

In a kind of specific embodiment, as shown in Figure 3, Figure 4, above-mentioned control valve block 3 can include two four-way commutations Valve 31.

As shown in figure 3, when reversal valve 31 is in primary importance, the outfan of driving means 2, the oil-in of reversal valve 31 A, the first hydraulic fluid port b are connected with the first cavity a, the 3rd cavity c, the oil return opening d of reversal valve 31, the second hydraulic fluid port c, the second cavity b, Four cavity d are connected with fuel reserve tank, realize pushing down against of piston rod.

As shown in figure 4, when reversal valve 31 is in the second position, the outfan of driving means 2, oil-in a, the second hydraulic fluid port C is connected with the second cavity b, the 4th cavity d, the oil return opening d of reversal valve 31, the first hydraulic fluid port b, the first cavity a, the 3rd cavity c with Fuel reserve tank connects, and realizes the recovery upwards of piston rod.

The upper and lower reciprocating motion of piston rod can simply, easily be realized using two position and four-way reversing valves 31.This two four Logical reversal valve 31 can adopt manual switching, can also automatically switch directions.It is contemplated that above-mentioned control valve block 3 not only limiting Two position and four-way reversing valves 31, can also be other reversal valves.

In further scheme, as shown in Figure 3, Figure 4, control valve block 3 can also be included located at driving means 2 and reversal valve Check valve 32 between 31, the hydraulic pressure that the opening of check valve 32 points between reversal valve 31, and driving means 2, check valve 32 props up Overflow valve 33 is additionally provided with road.

The effect of check valve 32 is only to allow hydraulic oil to flow to reversal valve 31 from driving means 2, does not allow in reversal valve 31 Hydraulic oil pour in down a chimney, it is to avoid the generation of wild effect.Overflow valve 33 is a kind of pressure-control valve, is opened by presetting it Open pressure, when the output pressure of driving means 2 is more than this Opening pressure, unnecessary hydraulic oil passes through overflow valve 33 off-load, from And ensure that driving means 2 output pressure invariable, it is to avoid the output pressure of driving means 2 produces the fluctuation of burst and leads Cause the unstable phenomenon of piston rod movement.

Additionally, above-mentioned cable type bridging plug setting tool can also include the detection part 6 of the displacement for detecting piston rod, Detection part 6 is on spacer ring 46.

The stroke of piston rod can accurately be detected by this detection part 6, be easy to accurately control the position of bridging plug.Specifically Ground, this detection part 6 can be displacement transducer.It is of course also possible to the device of displacement can be detected using other.

The concrete structure of above-mentioned driving means 2 can also be set further.

In another kind of specific embodiment, as shown in figure 1, above-mentioned driving means 2 include motor driving circuit board 21 He Power set, power set include the first motor 22 and hydraulic pump 23, the output shaft of hydraulic pump 23 pass through to control control valve block 3 with Hydraulic pressure execution device 4 connects.

Motor driving circuit board 21 is used for communication, control and the transmission of downhole electrical motor.First motor 22 sets work for bridging plug Tool provides power, and it can be specially direct current generator or alternating current generator.Hydraulic pump 23 is used for the dynamic action in the first motor 22 Lower rotation, and then hydraulic oil is delivered in hydraulic pressure execution device 4.

In further scheme, above-mentioned driving means 2 also include outer shell barrel 24, motor driving circuit board 21, power set It is mounted in outer shell barrel 24, outer shell barrel 24 is provided with pouring orifice 241 between motor driving circuit board 21, power set.

Motor driving circuit board 21, power set are mounted in this outer shell barrel 24 so that driving means 2 have higher Integrated.Here pouring orifice 241 is set, is easy to hydraulic oil and enters inside bridging plug setting tool and pass through the first motor 22, liquid Inside press pump 23 inflow control valve block 3.

Further in scheme, above-mentioned outer shell barrel 24 row of being additionally provided between motor driving circuit board 21, power set QI KOU 242;And between motor driving circuit board 21, power set, it is additionally provided with bascule 7.

Air vent 242 is used for air in the hydraulic oil discharging within bridging plug setting tool it is ensured that the vacuum of hydraulic oil. Further, since this air vent 242 connects the inside of outer shell barrel 24, outside so that bridging plug setting tool is in underground work, in it The pressure in portion with the change of down-hole fluid column, the change of ambient pressure and change.After this bascule 7, ensure that bridge Each part within plug setting tool will not be subject to crushing because ambient pressure is excessive.

Specifically, this bascule 7 is included located at outer shell barrel 24 inner equilibrium piston rod 71, dummy piston 72, and located at Balancing spring 73 between dummy piston 72, the first motor 22.

When pressure outside when outer shell barrel 24 increases suddenly or reduces, balancing spring 73 can be promoted to compress or extend and on Lower movement, and then drive dummy piston 72 to move up and down, the pressure differential within bridging plug setting tool is balanced with this, thus to pressure Fluctuation produces the effect of buffering, it is to avoid each part will not be subject to crushing because ambient pressure is excessive.

Further in scheme, it is additionally provided with stable steering block 74 in above-mentioned outer shell barrel 24, in the middle part of guide pad, is provided with first Pilot hole, dummy piston bar 71 is slidably plugged in the first pilot hole.

So so that dummy piston bar 71 moves back and forth in the first guiding in the hole all the time, play the effect of guiding, thus protecting Card balancing spring 73 compress or the direction that extend all vertically, it is to avoid unstable the showing such as balancing spring 73 generation bent radial As being further ensured that the job stability of bascule 7.

In another kind of specific embodiment, outer shell barrel 24 is additionally provided between motor driving circuit board 21, pouring orifice 241 Isolation motor driving circuit board 21, the bearing disc 25 of bascule 7.

This bearing disc 25 makes the hydraulic oil entering within bridging plug setting tool by pouring orifice 241 cannot reach motor drive Dynamic circuit board 21.And, when bascule 7 lost efficacy, the extraneous pressure of setting tool can be born, protect motor-drive circuit Plate 21 is without damage.Additionally, this bearing disc 25 also acts as connection motor driving circuit board 21, the effect of the first motor 22, realize The functions such as Control on Communication.

The concrete structure of above-mentioned pushing cylinder adapter 5 can also be set further.

Incorporated by reference to Fig. 1, Fig. 5, Fig. 5 is electric cable bridge plug setting tool shown in Fig. 1 and the working state figure in down-hole for the bridging plug.

In another kind of specific embodiment, above-mentioned pushing cylinder adapter 5 includes being sheathed on the guiding outside lower piston rod 45 Pipe 51, the upper end of guide pipe 51 connects bottom end cover 47, lower end is connected with bridging plug joint 53, and guide pipe 51 is provided with and axially extends The second pilot hole;The contiguous block 54 that lower piston rod 45 passes through radially across the second pilot hole connects bottom union joint 55, pushing cylinder 52, bottom union joint 55, pushing cylinder 52 are sheathed on the outside of guide pipe 51.

During use, lower piston rod 45 pushes down against and stretches out, and bottom union joint 55, pushing cylinder 52 are with lower piston rod 45 Move downward, guide pipe 51, the position of bridging plug joint 53 keep constant, and pushing cylinder 52 pushes down on and is connected on bridging plug joint 53 Bridging plug 100, until breaking the release ring on bridging plug 100, bridging plug 100 is discharged, and the slips 101 of bridging plug 100 opens, is supported in set On inside pipe wall 200, realize setting of bridging plug.

On the basis of further, between above-mentioned guide pipe 51 and bridging plug joint 53, it is additionally provided with additional releasing parts 56.

In particular cases bridging plug setting tool cannot discharge bridging plug, such as bridging plug setting tool non-normal working some, Or when cannot break the release ring of bridging plug, it is possible to use this additional releasing parts 56 disconnects guide pipe 51, the company of bridging plug joint 53 Connect so that bridging plug joint 53 is released together with bridging plug 100, equally can achieve setting of bridging plug.

In specific scheme, above-mentioned additional releasing parts 56 are to connect guide pipe 51, the tinsel of bridging plug joint 53, metal Silk fuses when can reach preset value being passed through electric current automatically.

Using this structure, when the release ring of bridging plug cannot be broken, only need to be passed through electric current to this tinsel, when electric current reaches During to certain value, tinsel fuses automatically, and bridging plug joint 53, bridging plug 100 are discharged together, the slips 101 of bridging plug 100 opens, It is supported in internal surface of sleeve pipe 200, realize setting of bridging plug.

In another concrete scheme, above-mentioned additional releasing parts 56 include being provided with connection guide pipe 51, the pin of bridging plug joint 53 Axle, also includes the second motor and screw mandrel, and screw mandrel one end connects the second motor, the other end connects bearing pin, and screw mandrel can be in the second electricity Move under the driving of machine, pull out bearing pin.

Using this structure, when the release ring of bridging plug cannot be broken, only need to open the second motor, drive screw rotates, The rotation of motor shaft is converted into axial movement by screw mandrel, and then bearing pin is pulled out, and disconnects the company of bridging plug joint 53 and guide pipe 51 Connect, realize setting of bridging plug.

Above a kind of electric cable bridge plug setting tool provided by the utility model is described in detail.Used herein Specific case is set forth to principle of the present utility model and embodiment, and the explanation of above example is only intended to help Understand method of the present utility model and its core concept.It should be pointed out that for those skilled in the art, On the premise of this utility model principle, this utility model can also be carried out some improve and modify, these improve and Modification also falls in this utility model scope of the claims.

Claims (15)

1. a kind of cable type bridging plug setting tool is it is characterised in that include upper connecting connection parts (1), the driving dress being sequentially connected Put (2), control valve block (3), hydraulic pressure execution device (4) and pushing cylinder adapter (5);
When described control valve block (3) is in first state, described driving means (2) execute to described hydraulic pressure according to first direction Device (4) delivery hydraulic pressure oil, so that described hydraulic pressure execution device (4) drives described pushing cylinder adapter (5) to extend downwardly from;
When described control valve block (3) is in the second state, described driving means (2) execute to described hydraulic pressure according to second direction Device (4) delivery hydraulic pressure oil, so that described hydraulic pressure execution device (4) drives described pushing cylinder adapter (5) to retract upwards.
2. cable type bridging plug setting tool according to claim 1 is it is characterised in that described hydraulic pressure execution device (4) is Two-stage hydraulic cylinder, including cylinder barrel (41), is provided with two pistons, two piston rods, wherein upper piston rod in described cylinder barrel (41) (43) it is connected with lower piston (44), and between upper piston (42), lower piston (44), be additionally provided with the fixing spacer ring (46) in position;
Between described upper piston (42) and described control valve block (3), between described upper piston (42) and described spacer ring (46), institute State between spacer ring (46) and described lower piston (44), between described lower piston (44) and the bottom end cover (47) of described cylinder barrel (41) Form the first cavity (a), the second cavity (b), the 3rd cavity (c) and the 4th cavity (d) respectively;
When described control valve block (3) is in first state, described driving means (2) are to described first cavity (a), the 3rd cavity C () delivery hydraulic pressure oil, described second cavity (b), described 4th cavity (d) are oil back chamber;When described control valve block (3) is in During two-state, described driving means (2) are oily to described second cavity (b), described 4th cavity (d) delivery hydraulic pressure, and described first Cavity (a), described 3rd cavity (c) are oil back chamber.
3. cable type bridging plug setting tool according to claim 2 is it is characterised in that described control valve block (3) includes two Position and four-way reversing valve (31);
When described reversal valve (31) is in primary importance, the outfan of described driving means (2), the entering of described reversal valve (31) Hydraulic fluid port (a), the first hydraulic fluid port (b) are connected with described first cavity (a), described 3rd cavity (c), the oil return of described reversal valve (31) Mouth (d), the second hydraulic fluid port (c), described second cavity (b), described 4th cavity (d) are connected with fuel reserve tank;
When described reversal valve (31) is in the second position, the outfan of described driving means (2), described oil-in (a), second Hydraulic fluid port (c) is connected with described second cavity (b), described 4th cavity (d), the oil return opening (d) of described reversal valve (31), the first oil Mouth (b), described first cavity (a), described 3rd cavity (c) are connected with described fuel reserve tank.
4. cable type bridging plug setting tool according to claim 3 it is characterised in that described driving means (2) with described It is additionally provided with check valve (32), the opening of described check valve (32) points to described reversal valve (31), and described between reversal valve (31) Overflow valve (33) is additionally provided with the hydraulic branch between driving means (2), described check valve (32).
5. cable type bridging plug setting tool according to claim 2 is it is characterised in that also include for detecting described piston The detection part (6) of the displacement of bar, described detection part (6) is on described spacer ring (46).
6. the cable type bridging plug setting tool according to any one of claim 1-5 is it is characterised in that described driving means (2) motor driving circuit board (21) and power set are included, described power set include the first motor (22) and hydraulic pump (23), The output shaft of described hydraulic pump (23) is connected with described hydraulic pressure execution device (4) by described control control valve block (3).
7. cable type bridging plug setting tool according to claim 6 is it is characterised in that also including outer shell barrel (24), described Motor driving circuit board (21), described power set are mounted in described outer shell barrel (24), and described outer shell barrel (24) is described It is provided with pouring orifice (241) between motor driving circuit board (21), described power set.
8. cable type bridging plug setting tool according to claim 7 is it is characterised in that described outer shell barrel (24) is in described electricity It is additionally provided with air vent (242) between drive circuit plate (21), described power set;And described motor driving circuit board (21), It is additionally provided with bascule (7) between described power set.
9. cable type bridging plug setting tool according to claim 8 is it is characterised in that described bascule (7) includes setting Dummy piston bar (71) in described outer shell barrel (24), dummy piston (72), and located at described dummy piston (72), described Balancing spring (73) between motor.
10. cable type bridging plug setting tool according to claim 9 is it is characterised in that also set in described outer shell barrel (24) There is stable steering block (74), in the middle part of described guide pad, be provided with the first pilot hole, described dummy piston bar (71) is slidably plugged in In described first pilot hole.
11. cable type bridging plug setting tools according to claim 8 are it is characterised in that described outer shell barrel (24) is described It is additionally provided with the described motor driving circuit board of isolation (21), described flat between motor driving circuit board (21), described pouring orifice (241) The bearing disc (25) of weighing apparatus device (7).
The 12. cable type bridging plug setting tools according to any one of claim 2-5 are it is characterised in that described pushing cylinder is adapted to Device (5) includes being sheathed on the outside guide pipe (51) of described lower piston rod (45), and the upper end connection of described guide pipe (51) is described Bottom end cover (47), lower end are connected with bridging plug joint (53), and described guide pipe (51) is provided with the second pilot hole axially extending; The contiguous block (54) that described lower piston rod (45) is passed through radially across described second pilot hole connects bottom union joint (55), pushing cylinder (52), described bottom union joint (55), pushing cylinder (52) are sheathed on the outside of described guide pipe (51);So that described bottom union joint (55), described pushing cylinder (52) is moved with respect to described bridging plug joint (53) with described lower piston rod (45), breaks on bridging plug (100) Release ring, by bridging plug (100) discharge.
13. cable type bridging plug setting tools according to claim 12 it is characterised in that described guide pipe (51) with described It is additionally provided with additional releasing parts (56) between bridging plug joint (53).
14. cable type bridging plug setting tools according to claim 13 are it is characterised in that described additional releasing parts (56) For connect described guide pipe (51), described bridging plug joint (53) tinsel, described tinsel can be passed through electric current reach default Automatically fuse during value.
15. cable type bridging plug setting tools according to claim 13 are it is characterised in that described additional releasing parts (56) Including the bearing pin connecting described guide pipe (51), described bridging plug joint (53), also include the second motor and screw mandrel, described screw mandrel one End connects the second motor, the other end connects described bearing pin, and described screw mandrel can move under the driving of described motor, pull out described pin Axle.
CN201620686586.6U 2016-06-30 2016-06-30 Cable bridging plug setting tool CN205918396U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018000815A1 (en) * 2016-06-30 2018-01-04 万瑞(北京)科技有限公司 Cable bridge plug setting and sealing tool
CN108150121A (en) * 2017-12-21 2018-06-12 中国石油集团渤海钻探工程有限公司 Jet flow pressurizing formula electric hydaulic bridge plug setting tool
CN109838216A (en) * 2017-11-29 2019-06-04 江苏科技大学 Electric hydaulic reinforcement setting tool for bridge plug

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018000815A1 (en) * 2016-06-30 2018-01-04 万瑞(北京)科技有限公司 Cable bridge plug setting and sealing tool
CN109838216A (en) * 2017-11-29 2019-06-04 江苏科技大学 Electric hydaulic reinforcement setting tool for bridge plug
CN108150121A (en) * 2017-12-21 2018-06-12 中国石油集团渤海钻探工程有限公司 Jet flow pressurizing formula electric hydaulic bridge plug setting tool
CN108150121B (en) * 2017-12-21 2019-12-13 中国石油集团渤海钻探工程有限公司 jet flow pressurization type electric hydraulic bridge plug setting tool

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