CN209277867U - A kind of five parameter intelligent seal-checking instrument of dispensing well - Google Patents

Abstract

The utility model provides a kind of five parameter intelligent seal-checking instrument of dispensing well, on the one hand positioning mechanism opens and closes driving device by the positioning mechanism that inner link covers connection top, on the other hand it is connected by coupling sleeve and the sealing mechanism of top, sealing mechanism sets driving device connection by the sealing mechanism solution of long sheath and top, positioning mechanism opening and closing driving device is electrically connected with lower integrated test set and above-mentioned the two is arranged in middle sheath, middle sheath is mounted in the long sheath, the sealing mechanism solution sets driving device and is electrically connected and both above-mentioned is arranged in upper casing with upper integrated test set, temperature sensor is also set up in the upper casing, flow sensor, magnetic orientation connector, upper pressure sensor, lower pressure sensor is set inside the inner link set upper side.

Description

A kind of five parameter intelligent seal-checking instrument of dispensing well

Technical field

The utility model relates to water injection well in oil fields measuring technology, especially a kind of five parameter intelligent seal-checking instrument of dispensing well.

Background technique

Seperated layer water injection exploitation is to supplement reservoir energy during oil reservoir development, expand floood conformance volume and improve oil reservoir to adopt The most economical development scheme of yield.Existing research achievement and on-site development experience have shown that, water filling series of strata divide it is more, oil field is adopted Yield is higher, and as oil field generally enters high water cut viscous heavy crude oil, fine water filling is the inevitable requirement of oil-field flooding job development. Seperated layer water injection is mainly separated two neighboring interval using packer.Packer sealing validity is directly imitated with seperated layer water injection Fruit is related, therefore, requires to carry out testing envelope to packer after the complete well of separate injection tubing string and before test allotment, to confirm packer sealing Integrality.

Existing bridge-type concentric separated-injection string matching tests encapsulation technique using mechanically envelope is tested, and has the following problems in the application: (1) tester positioning is inaccurate, is easy to cause test inaccurate at string collar or failure, increases test job amount；(2) it tests Instrument is self-possessed by instrument and mechanical slips are set, and sealing element damages in setting process leads to test failure；(3) tester is in pipe There is downlink in the necking segment of column, directional well to be hampered, is unable to complete test job.

For the injection allocation effect for further increasing separated-zone water infection oil field water injection rate, layer separating packer leakproofness and layering note are implemented Water data accuracy improves dispensing well and tests envelope working efficiency, reduces field labor intensity, needs a kind of mating electronic direct-reading, can Seal-checking instrument by testing envelope.

Summary of the invention

The purpose of the utility model is to provide a kind of five parameter intelligent seal-checking instruments of dispensing well, realize separate water injection well underground envelope Every five kinds of productions such as temperature, two-way pressure, flow, depth that the direct-reading of device is electronic to be tested envelope, while measuring dispensing well injection well downhole flow regulator Parameter improves dispensing well test efficiency and testing reliability.

The purpose of this utility model can be achieved by the following technical measures:

The five parameter intelligent seal-checking instrument of dispensing well includes positioning mechanism, sealing mechanism, positioning mechanism opening and closing driving device, close Sealing mechanism solution sets driving device, lower integrated test set, upper integrated test set, on the one hand the positioning mechanism passes through center The positioning mechanism of pressure transmission set connection top opens and closes driving device, is on the other hand connected by coupling sleeve and the sealing mechanism of top, The sealing mechanism sets driving device connection by the sealing mechanism solution of tapered sleeve, long sheath and top, and the positioning mechanism opens Close driving device be electrically connected with lower integrated test set and it is both above-mentioned be arranged in middle sheath, middle sheath is mounted on described In long sheath, the sealing mechanism solution sets driving device and is electrically connected and both above-mentioned is arranged at upper integrated test set In upper casing, temperature sensor, flow sensor, magnetic orientation connector, upper pressure sensor are also set up in the upper casing, it is described Lower pressure sensor, the temperature sensor, flow sensor, magnetic orientation connector, upper pressure are set inside the pressure transmission set upper side of center Force snesor is electrically connected with upper integrated test set, the lower pressure sensor and lower integrated test set, described lower integrated Test device is electrically connected with upper integrated test set.

The purpose of this utility model can be also achieved by the following technical measures:

The positioning mechanism includes locating detent main body, locating detent, pre-tightens pressure spring, is switch head, small pressure spring, small opening sleeve, big Pressure spring, center pressure transmission set, coupling sleeve, the locating detent are divided into left claw, right pawl, open up in the left claw, right pawl two adjacent surfaces recessed Slot, installation pre-tightens pressure spring between two grooves, and the left claw upper end, right pawl upper end pass through respective positioning pin and be hinged on positioning In pawl main body, locating detent main body open up accommodate locating detent radial open cavity, the switch head lower end withstand on simultaneously left claw upper end, On the inclined-plane that right pawl upper end opens up, outer wall is that spiral is connect with coupling sleeve inner wall among the switch head, the connection of coupling sleeve lower end In locating detent main body upper end, the switch head upper end connection center pressure transmission set, center pressure transmission set upper side connects inner link and covers lower end, The center pressure transmission set is internal to install small pressure spring, and the small pressure spring upper end withstands on inner link set lower end surface, and lower end withstands on switch head Upper surface, the center pressure transmission set is external to install big pressure spring, and the big pressure spring upper end is withstood in coupling sleeve on limiting stand, lower end top On the outer limiting stand that center pressure transmission set outer wall bottom end opens up.

The positioning mechanism opening and closing driving device includes lower motor, swivel nut, lower motor fixed cylinder, torsion shaft, the lower electricity Machine is mounted in lower motor fixed cylinder, and lower motor fixed cylinder is mounted in middle sheath, lower motor output end be sequentially connected torsion shaft, Swivel nut, circuit board cylinder, center pressure transmission set, small opening sleeve, are successively threadedly coupled, and the lower integrated test set includes lower circuit Plate, lower circuit board are arranged in circuit board cylinder, and center pressure transmission set upper side is sealingly disposed in inside connector, connector upper end Circuit board cylinder is connected, circuit board cylinder is mounted in middle sheath, and lower thrust axis is installed between the middle sheath and lower motor fixed cylinder It holds.

The lower circuit board includes the first central processing unit, the first memory being electrically connected, the lower motor and first Central processing unit electrical connection, the lower pressure sensor are electrically connected with the first central processing unit.

The sealing mechanism includes pedestal of leather bowl, leather cup pressing sleeve, leather cup, tapered sleeve, the cone of the corresponding top of the leather cup upper port Set, tapered sleeve upper end are threadedly coupled with long sheath, and leather cup lower end is clamped between pedestal of leather bowl, leather cup pressing sleeve, and pedestal of leather bowl lower end connects It connects in connection set upper side, the pedestal of leather bowl, leather cup pressing sleeve are sleeved on outside tapered sleeve, and the center the Zhong You pressure transmission of tapered sleeve inner cavity is worn It crosses, tapered sleeve lower end outer wall installs fixed swivel nut, and fixed swivel nut upper surface can be to pedestal of leather bowl lower end surface axial limiting.

The sealing mechanism solution set driving device include upper motor, spiral shell block, small swivel nut, upper adapter, top cover, lead screw, Upper motor collision block, upper Torque sleeve power on machine barrel, and the upper motor, which is mounted on, to be powered in machine barrel, on upper motor output end, lead screw Simultaneously with upper Torque sleeve synchronized links, lead screw lower end is axially fixed on adapter, upper motor is arranged on the upside of lead screw and touches at end Block, lead screw, upper motor collision block are installed on and power in machine barrel lower recess, and the lead screw, upper motor collision block are formed with machine barrel is powered on Leadscrew-nut mechanism, when upper motor output end rotates, the synchronous axial movement of upper motor collision block powers on machine barrel in upper motor collision block two Side is disposed with upper and lower limit bit switch；Thrust bearing is provided in the middle part of lead screw, the external load transmitting that thrust bearing bears lead screw To motor cylinder, load is avoided to act on motor, extend motor service life；Lead screw lower part is threadedly coupled with spiral shell block, spiral shell block It is external to be connect with small swivel nut screw, it is connect outside small swivel nut with long sheath threaded upper ends, the lead screw, spiral shell block, upper switching capitiform At leadscrew-nut mechanism, when lead screw rotates, the synchronization of spiral shell block is moved along lead screw, drives small swivel nut, long sheath synchronizing moving, long sheath It is mobile, tapered sleeve synchronizing moving is driven, and then complete the compression and release of leather cup.

The second central processing unit, the second memory that the upper integrated test set is electrically connected, the upper motor and The electrical connection of two central processing units, the temperature sensor, flow sensor, magnetic orientation connector, upper pressure sensor are with second Central processing unit electrical connection, magnetic orientation connector are located in casing upper port, and magnetic orientation upper end of joint connects top connection, upper motor Cylinder upper end connects sliding needle stand, and sliding needle stand upper end connection compresses loop coil, and upper motor upper end is fixed by sliding needle stand, compressing loop coil.

Second central processing unit is electrically connected ground based processor.

The utility model has the advantages that compared with prior art

The injection allocation effect for improving separated-zone water infection oil field water injection rate, implements layer separating packer leakproofness and seperated layer water injection data is quasi- Exactness improves dispensing well and tests envelope working efficiency, reduces field labor intensity.Realize the direct-reading of separate water injection well downhole packer It is electronic to test envelope, while five kinds of manufacturing parameters such as temperature, two-way pressure, flow, depth for measuring dispensing well injection well downhole flow regulator, improve dispensing Well test efficiency and testing reliability.

Detailed description of the invention

Fig. 1 is that the sealing mechanism solution of the utility model embodiment sets the structural schematic diagram of driving device；

Fig. 2 is that the positioning mechanism of the utility model embodiment opens and closes the structural schematic diagram of driving device；

Fig. 3 is the structural schematic diagram of the positioning mechanism of the utility model embodiment.

In figure: 1- locating detent main body, 2- locating detent, 3- pressure spring, 4- switch head, 5- small pressure spring, the small opening sleeve of 6-, the big pressure of 7- Spring, the center 8- pressure transmission set, 9- coupling sleeve, 10- pedestal of leather bowl, 11- leather cup pressing sleeve, 12- leather cup, 13- tapered sleeve, 14- connector, 15- Motor fixed cylinder, 20- torsion shaft, 21- spiral shell block, 22- are small under sheath, 17- long sheath, 18- swivel nut, 19- in circuit board cylinder, 16- The upper motor collision block of the upper adapter of swivel nut, 23-, 24- top cover, 25- lead screw, 26-, the upper Torque sleeve of 27-, 28- power on machine barrel, 29- The sliding needle stand of upper casing, 30-, 31- compress loop coil, 32- fixed swivel nut, 33- thrust bearing, 34- thrust bearing, 35- temperature sensing Device, 36- flow sensor, 37- magnetic orientation connector, 38- lower pressure sensor, the upper pressure sensor of 39-, circuit board under 40-, Motor under 41-, the upper motor of 42-, the upper circuit board of 43-, 44- cable, 45- top connection, 46- cable connector, 47- floor treatment Device.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Refering to fig. 1, Fig. 2, Fig. 3, the utility model provide a kind of technical solution: the five parameter intelligent seal-checking instrument packet of dispensing well It includes positioning mechanism, sealing mechanism, positioning mechanism opening and closing driving device, sealing mechanism solution and sets driving device, lower integration testing dress It sets, upper integrated test set, on the one hand the positioning mechanism passes through the positioning mechanism opening and closing driving of 8 connection top of center pressure transmission set On the other hand device is connect by coupling sleeve 9 with the sealing mechanism of top, the sealing mechanism passes through tapered sleeve 13, long sheath 17 It sets driving device with the sealing mechanism solution of top to connect, the positioning mechanism opening and closing driving device and lower integrated test set electricity It connects and above-mentioned the two is arranged in middle sheath 16, middle sheath 16 is mounted in the long sheath 17, the sealing mechanism Solution set driving device be electrically connected with upper integrated test set and it is both above-mentioned be arranged in upper casing 29, the upper casing Temperature sensor 35, flow sensor 36, magnetic orientation connector 37, upper pressure sensor 39, the center pressure transmission are also set up in 29 It covers and lower pressure sensor 38, the temperature sensor 35, flow sensor 36, magnetic orientation connector 37, upper pressure is set inside 8 upper ends Force snesor 39 is electrically connected with upper integrated test set, the lower pressure sensor 38 and lower integrated test set, under described Integrated test set is electrically connected with upper integrated test set.

Refering to Fig. 3, the positioning mechanism includes locating detent main body 1, locating detent 2, pre-tightens pressure spring 3, switch head 4, small pressure spring 5, small opening sleeve 6, big pressure spring 7, center pressure transmission cover 8, coupling sleeve 9, and the locating detent 2 divides for left claw, right pawl, the left claw, the right side Groove is opened up in pawl two adjacent surfaces, installation pre-tightens pressure spring 3 between two grooves, and the left claw upper end, right pawl upper end pass through respectively From positioning pin be hinged in locating detent main body 1, locating detent main body 1 open up accommodate locating detent radial open cavity, the switch First 4 lower end withstands on left claw upper end, on the inclined-plane that right pawl upper end opens up simultaneously, 1 upper end of locating detent main body and 9 screw thread of coupling sleeve Connection, the switch head 4 are flat structure, and switch head 4 is fixed in small opening sleeve 6, small 6 upper end of opening sleeve and center Pressure transmission set 8 is threadedly coupled, and the center pressure transmission covers 8 upper ends and is threadedly coupled with circuit board cylinder 15, and the small opening sleeve 6 is inside and outside respectively Small pressure spring 5 and big pressure spring 7 are installed, 5 upper end of small pressure spring withstands on small 6 inner wall lower end surface of opening sleeve, and lower end withstands on switch head 4 Upper surface, big 7 upper end of pressure spring are withstood in coupling sleeve 9 on limiting stand, and lower end surface withstands on the limited step of small 6 outer wall of opening sleeve On face；The large and small axial upper small opening sleeve 6 of righting of pressure spring one side, on the other hand makes coupling sleeve 9 and small opening sleeve 6 and switch First 4 close connections, in lower 41 torque transmittance process of motor, switch head 4 and lower 41 synchronous rotary of motor.

Referring to Fig.2, the positioning mechanism opening and closing driving device includes lower motor 41, swivel nut 18, lower motor fixed cylinder 19, turns round Power axis 20, the lower motor 41 are mounted in lower motor fixed cylinder 19, and lower motor fixed cylinder 19 is mounted in middle sheath 16, lower electricity 41 output end of machine is sequentially connected torsion shaft 20, swivel nut 18, circuit board cylinder 15, center pressure transmission set 8, small opening sleeve 6, and successively screw thread connects It connects, the lower integrated test set includes lower circuit board 40, and lower circuit board 40 is arranged in circuit board cylinder 15, the center pressure transmission It covers 8 upper ends to be sealingly disposed in inside connector 14,14 upper end of connector connects circuit board cylinder 15, and circuit board cylinder 15 is mounted on middle shield In set 16, lower thrust-bearing 33 is installed between the middle sheath 16 and lower motor fixed cylinder 19.

The sealing device of connector 14 prevents from contacting in sheath 16 with lower circuit board 40 in liquid entrance, causes instrument short-circuit Failure.Thrust bearing 33 can be such that strata pressure is transferred in lower motor fixed cylinder through center pressure transmission set 8, connector 14, avoid Load acts on lower motor 41, lower motor 41 is caused to damage.Middle sheath 16 prevents ambient pressure from acting on circuit board 40 and lower electricity On machine 41, internal each components pressure-bearing damage is prevented.15 one side of circuit board cylinder protects circuit board 40, also passes through screw thread Transmit lower 41 torque of motor.Lower 41 torque of motor is transferred to the cylinder of circuit board cylinder 15 by torsion shaft 20, swivel nut 18 by axis centre Body is simultaneously transferred on switch head 4 through center pressure transmission set 8.

To behind predetermined position under instrument, lower motor receives enabled instruction, and lower motor rotates in the forward direction, and torque is exported from lower motor Axis is transferred to swivel nut 18 through torsion shaft 20, and swivel nut is threadedly coupled with circuit board cylinder 15, and torque drive circuit board cylinder 15 rotates, circuit Plate cylinder 15 is threadedly coupled with center pressure transmission set 8,8 rotation of torque drive center pressure transmission set, center pressure transmission set 8 and small 6 spiral shell of opening sleeve Line connection, the small opening sleeve 6 of torque drive rotate, and switch head 4 is embedded in small opening sleeve 6, and switch head 4 is axial by locating detent main body 1 limit can only rotate (small opening sleeve in flat, both horizontally and vertically size difference), the rotation of switch head 4 with small opening sleeve 6 Turn 90 °, triggering locating detent 2 opens, and locating detent is fixed on the injection well downhole flow regulator groove of water injection well.

The lower circuit board 40 includes the first central processing unit, the first memory that are electrically connected, the lower motor 41 with The electrical connection of first central processing unit, the lower pressure sensor 38 are electrically connected with the first central processing unit.

The sealing mechanism includes pedestal of leather bowl 10, leather cup pressing sleeve 11, leather cup 12, tapered sleeve 13,12 upper port pair of leather cup The tapered sleeve 13 of top is answered, 13 upper end of tapered sleeve is threadedly coupled with long sheath 17, and 12 lower end of leather cup is clamped in pedestal of leather bowl 10, leather cup pressure Between set 11,10 lower end of pedestal of leather bowl is connected to 9 upper end of coupling sleeve, and the pedestal of leather bowl 10, leather cup pressing sleeve 11 are sleeved on tapered sleeve 13 Outside, the 13 inner cavity center Zhong You pressure transmission of tapered sleeve set 8 pass through, and 13 lower end outer wall of tapered sleeve installs fixed swivel nut 32, fix on swivel nut 32 It end face can be to pedestal of leather bowl lower end surface axial limiting.Pedestal of leather bowl 10 and leather cup pressing sleeve 11 carry out radial limit to leather cup 12, guarantee skin Bowl sets reliable, deblocking and smoothly removes, and the long transmitting of sheath 17 top motor driving force pushes lower section tapered sleeve 13 and movement.Center passes Leather cup following pressure is transferred to lower pressure sensor 38 by pressing sleeve 8, with the pressure initiation pressure comparison measured above leather cup.

Refering to fig. 1, it includes upper motor, spiral shell block, small swivel nut, upper adapter, top that the sealing mechanism solution, which sets driving device, Set, upper motor collision block, upper Torque sleeve, powers on machine barrel at lead screw, and the upper motor, which is mounted on, to be powered in machine barrel, upper motor output End, lead screw upper end are simultaneously with upper 27 synchronized links of Torque sleeve, and lead screw lower end is axially fixed on adapter 23, on the upside of lead screw Motor collision block 26 in setting, lead screw 25, upper motor collision block 26, which are installed on, to be powered in 28 lower recess of machine barrel, lead screw 25, upper motor Collision block 26 forms leadscrew-nut mechanism with machine barrel 28 is powered on, and when upper motor output end rotates, upper motor collision block 26 synchronizes axial shifting It is dynamic, machine barrel, which is powered on, in upper motor collision block two sides is disposed with upper and lower limit bit switch.Thrust bearing, thrust axis are provided in the middle part of lead screw The external load that holding bears lead screw is transferred on motor cylinder, and load is avoided to act on motor, extend motor service life.Silk 25 lower part of thick stick is threadedly coupled with spiral shell block 21, and 21 outside of spiral shell block is connect with small 22 screw of swivel nut, small 25 outside of swivel nut and long sheath 17 Threaded upper ends connection, lead screw 25, spiral shell block 21, upper adapter 23 form leadscrew-nut mechanism, and when lead screw 25 rotates, spiral shell block 21 is synchronous It being moved along lead screw 25, drives small swivel nut 22,17 synchronizing moving of long sheath, long sheath 17 is mobile, 13 synchronizing moving of tapered sleeve is driven, into And complete the compression and release of leather cup.

Install motor collision block on the lead screw, it is described to power on machine barrel installation upper limit switch, lower position switch, it is described on Motor collision block is axially run between upper limit switch, lower position switch.

Outer wall installs up-thrust bearing, top cover among the lead screw, and up-thrust bearing, top cover lower end top are withstood in top cover upper end On upper adapter, upper adapter screw thread type is connected to casing lower end inner wall, and upper adapter inner wall and lead screw outer wall are sealing State.

Shown upper motor receives " rotate forward/set " instruction, upper motor " forward direction " rotation, upper motor torque drive screw synchronous The all synchronizations of rotation, upper motor collision block 26 and spiral shell block 21 are moved axially downwards along lead screw, and spiral shell block 21 pushes small swivel nut 22 and long sheath 17, tapered sleeve 13, which synchronizes to move down, compresses leather cup 12, and 12 spreading of leather cup is tightly attached on water injection well distributor inner wall, realizes that measurement and adjustment instrument tests envelope Instrument upper-lower seal, upper and lower stressor layer separate.When leather cup rises by envelope in place, upper motor collision block 26 just reaches and powers on machine barrel bound Bit switch, upper motor stop " rotating forward/set " movement, at this point, each pressure, temperature, flow sensor carry out test and data pass It is defeated.After the completion of test, upper motor receives " reversion/deblocking " instruction, and upper motor is " reversed " to be rotated, similarly, upper motor collision block 26 and Spiral shell block 21, long sheath 17, tapered sleeve 13 etc., which synchronize, to be moved up, and leather cup gradually discharges the state that affranchises, when long sheath 17 is close to upper shield When the lower end surface of cylinder 29, upper motor collision block 26 just triggers the upper limit switch of motor, and it is dynamic that upper motor stops " reversion/deblocking " Make.Upper and lower limit switch is rationally arranged according to tapered sleeve moving distance.

The second central processing unit, the second memory that the upper integrated test set is electrically connected, the upper motor 42 with The electrical connection of second central processing unit, the temperature sensor 35, flow sensor 36, magnetic orientation connector 37, upper pressure sensor 39 are electrically connected with the second central processing unit, and magnetic orientation connector 37 is located in 29 upper port of casing, 37 upper end of magnetic orientation connector Top connection 45 is connected, 28 upper end of machine barrel is powered on and connects sliding needle stand 30, sliding 30 upper end of needle stand, which connects, compresses loop coil 31, on upper motor 42 End is fixed by sliding needle stand 30, compression loop coil 31.Second central processing unit is electrically connected ground based processor 47.

The positioning mechanism is equipped with locating detent main body 1, has location hole in locating detent main body, locating detent 2 passes through positioning body Positioning pin be fixed on positioning hole, locating detent is equipped with groove, is equipped with pressure spring 3 in groove, and locating detent can rotate around positioning pin, pressure Spring 3 guarantees that locating detent will not shake opening back and forth under normal conditions.

The positioning mechanism is configured with lower motor 41, is located in lower motor fixed cylinder 19, motor output torque successively transmits 8, small opening sleeve 6, switch head 4 are covered to torsion shaft 20, swivel nut 18, circuit board cylinder 15, center pressure transmission, motor rotates in the forward direction, switch First 4 push the conical surface of 2 upper end of locating detent setting, and locating detent 2 is forced to rotate opening around positioning pin, realize seal-checking instrument axially position, Conversely, locating detent 2 is withdrawn, seal-checking instrument can be moved freely along axial.

The sealing mechanism includes leather cup 12, leather cup pressing sleeve 11 and pedestal of leather bowl 10, and the pedestal of leather bowl is fixed by internal screw thread In connector sleeve 9, leather cup is placed in pedestal of leather bowl groove, and leather cup pressing sleeve is sleeved on pedestal of leather bowl heel, and leather cup is fixed on leather cup In the annular space of seat and leather cup pressing sleeve.

The sealing mechanism is configured with motor 42, powers on machine positioned at powering in machine barrel 28, the tail portion of upper motor 42 is by sliding Needle stand 30, compression loop coil 31 are fixed, and upper motor output torque successively passes to lead screw 25, spiral shell block 21, long sheath 17, tapered sleeve 13, Motor rotates in the forward direction, and torque pushes tapered sleeve 13 to compress leather cup 12 downwards, makes leather cup spreading.Motor reversely rotates, and torque pulls cone Set 13 retracts upwards, and the rebound of leather cup 12 restores to the original state.

The upper motor 42 is configured with limit switch 48-1 and 48-2 up and down, and limit switch, which is fixed on, to be powered on machine barrel 28, Upper motor collision block 26 is connected through a screw thread with lead screw 25, and upper 42 output shaft of motor rotation drives lead screw 25 to rotate, upper motor collision block 26 move axially along lead screw, and when upper motor 42 execution leather cup rises by envelope instruction, upper motor 42 is rotated in the forward direction, and upper motor 42 drives silk Thick stick 25 rotates, upper motor collision block 26 and spiral shell block 21,13 synchronizing moving of tapered sleeve, when the extruding leather cup 12 of tapered sleeve 13 arrives maximum distortion, on Motor collision block just sets out lower position switch 48-1, and upper motor 42 commutates, and upper motor 42 is transferred to reverse rotation state.Work as seal-checking instrument After testing envelope, upper motor 42 starts to reversely rotate, and upper 42 torque drive lead screw 25 of motor reversely rotates, upper motor collision block 26, Spiral shell block 21 and tapered sleeve 13 retract upwards, and leather cup 12 restores to the original state, and seal-checking instrument realizes deblocking.When tapered sleeve 13 retracts to extreme position When, upper motor collision block 26 is contacted with upper limit switch 48-2, and upper motor 42 commutates, and upper motor 42 is transferred to the state of rotating in the forward direction.

The integrated test set includes lower circuit board 40, upper circuit board 43, temperature, pressure, flow, magnetic position sensor Deng being powered by land cable 44.

The lower circuit board 40 is located in circuit board cylinder 15, and axial fixed by upper swivel nut 18, upper swivel nut 18 is connected by screw thread Center pressure transmission set 8 is connect, center pressure transmission set is provided with center pressure transmission hole, and center pressure transmission hole connects lower pressure sensor 38, center pressure transmission It covers 8 lower ends and connects small opening sleeve 6, also set loads swivel nut 32 outside center pressure transmission set 8, and small opening sleeve upper and lower ends, which have, laterally to be opened Mouthful, switch head is cased in small opening sleeve, switch head and small pressure spring are mounted on the inside of small opening sleeve, are cased with big pressure on the outside of small opening sleeve Spring 7 is mounted in connector sleeve 9.

The lower circuit board 40 acquires the signal of lower pressure sensor 38 and by wired or wireless mode and upper circuit Plate 43 is communicated, and the signal of acquisition is sent to upper circuit board 43.

The upper circuit board 43 is located at seal-checking instrument tail portion, solid axially through the top connection for compressing loop coil and seal-checking instrument tail portion It is fixed.

The upper circuit board 43 handles the signal of downhole temperature, pressure, depth, flow sensor acquisition, controls The start and stop and rotational speed regulation of lower motor 41 and upper motor 42.

The cable 44 both provides power supply to upper and lower motor and returns the offer signal of communication of circuit board 43.

On the basis of above, the data such as temperature, pressure, depth, flow of acquisition can also further be transferred to ground Processor 47 is handled, and the ground based processor 47 is notebook or embedded controller terminal, is sent and is controlled by software Instruction controls the data of the monitorings such as movement and real-time display pressure, temperature, the flow sensor of underground or more motor.At ground Reason device 47 and the applied software to various data processings belong to routine techniques in the art, are directly connected to notebook Application software processing.

When separated-zone water infection oil field tubing string carries out testing envelope test, the utility model seal-checking instrument is by cable tripping in oil pipe. During tripping in, locating detent and seal are in retracted state, ground real-time display tester present position depth, to instrument It reaches above predetermined water distribution interval, ground based processor 47 issues signal instruction, and motor 41 starts under seal-checking instrument, lower motor " rotating forward " Band movable snail sleeve, circuit board cylinder, center pressure transmission set rotation, driving switch is first-class to be rotated together with and opens locating detent, and envelope is tested in realization Instrument is accurately positioned.

After lower 41 stop motion of motor, upper motor 42 is rotated forward, and upper motor receives " rotating forward " instruction, upper motor driven lead screw rotation Turn, tapered sleeve pushed to be moved downwardly into leather cup, when leather cup is completely forced into leather cup by tapered sleeve cover and compress, upper motor collision block 26 and Seal-checking instrument sealing movement is completed in upper limit switch 48-2 contact, the stop motion at once of upper motor.

Well head implements On-Off-On or on/off-pass test, if test zone packer is effectively set, tubing pressure Pressure difference can be generated with stratum, shows that tubing pressure (upper pressure gauge) obviously divides with strata pressure (lower pressure gauge) on pressure curve It opens, and downhole flow sensor test flow is zero；It is zero when there is test tubing pressure, flow is not zero, and judges water distribution Device blocking；Otherwise, test tubing pressure is not zero, and flow is not zero, and judges that packer sealing fails.

After this interval tests sealing-in receipts, upper motor 42 is inverted, and driving lead screw 25 rotates, spiral shell block 21, the rollback of tapered sleeve 13, seal Leather cup 12 restores to the original state, and upper motor collision block 26 is contacted with upper limit switch 48-2, and upper motor stops reversion, realizes seal-checking instrument solution Envelope.

Then, lower motor 41 inverts, and driving torsion shaft 20, swivel nut 18, circuit board cylinder 15, center pressure transmission cover 8, small opening sleeve 6 and 4 isoinversion of switch head, locating detent 2 is withdrawn, and seal-checking instrument restores axially free state, is lifted by ground wellhead cable.

It successively tests along shaft bottom, until each interval is tested envelope and completed, is withdrawn by ground wellhead cable from the bottom up.

In the description of the present invention, it should be understood that temporald eixis or positional relationship are based on the figure Orientation or positional relationship is merely for convenience of description the utility model, rather than the device or element of indication or suggestion meaning must There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (8)

1. a kind of five parameter intelligent seal-checking instrument of dispensing well, which is characterized in that opened including positioning mechanism, sealing mechanism, positioning mechanism Close driving device, sealing mechanism solution sets driving device, lower integrated test set, upper integrated test set, the positioning mechanism On the one hand driving device is opened and closed by the positioning mechanism of center pressure transmission set connection top, on the other hand passes through coupling sleeve and top Sealing mechanism connection, the sealing mechanism set driving device by the sealing mechanism solution of tapered sleeve, long sheath and top and connect, institute State positioning mechanism opening and closing driving device be electrically connected with lower integrated test set and it is above-mentioned the two be arranged in middle sheath, middle shield Set is mounted in the long sheath, and the sealing mechanism solution sets driving device and is electrically connected with upper integrated test set and above-mentioned The two is arranged in casing, and temperature sensor, flow sensor, magnetic orientation connector, upper pressure are also set up in the upper casing Lower pressure sensor, the temperature sensor, flow sensor, magnetic is arranged in force snesor, center pressure transmission set upper side inside Landing nipple, upper pressure sensor are electrically connected with upper integrated test set, and the lower pressure sensor and lower integration testing fill It sets, the lower integrated test set is electrically connected with upper integrated test set.

2. a kind of five parameter intelligent seal-checking instrument of dispensing well according to claim 1, which is characterized in that the positioning mechanism packet It includes locating detent main body, locating detent, pre-tighten pressure spring, switch head, small pressure spring, small opening sleeve, big pressure spring, center pressure transmission set, coupling sleeve, The locating detent is divided into left claw, right pawl, and groove is opened up in the left claw, right pawl two adjacent surfaces, installs and pre-tightens between two grooves Pressure spring, the left claw upper end, right pawl upper end are hinged in locating detent main body by respective positioning pin, and locating detent main body opens up The radial open cavity of locating detent is accommodated, the switch head lower end withstands on left claw upper end, on the inclined-plane that right pawl upper end opens up simultaneously, institute It states locating detent main body upper end to be threadedly coupled with coupling sleeve, the switch head is flat structure, and switch head is fixed on small opening sleeve Interior, the small opening set upper side is connect with center pressure transmission external threading, and center pressure transmission set upper side is threadedly coupled with circuit board cylinder, Small pressure spring and big pressure spring are separately installed with inside and outside the small opening sleeve, the small pressure spring upper end withstands on small opening sleeve inner wall lower end Face, lower end withstand on switch head upper surface, and the big pressure spring upper end is withstood in coupling sleeve on limiting stand, and lower end surface withstands on small opening sleeve On the limiting stand terrace of outer wall；The large and small axial upper small opening sleeve of righting of pressure spring one side, on the other hand makes coupling sleeve and small opening Set and switch head closely connect, in lower Motor torque transmittance process, switch head and lower motor synchronous rotary.

3. a kind of five parameter intelligent seal-checking instrument of dispensing well according to claim 1 or 2, which is characterized in that the localization machine It includes lower motor, swivel nut, lower motor fixed cylinder, torsion shaft that structure, which opens and closes driving device, and the lower motor is mounted on lower motor and fixes In cylinder, lower motor fixed cylinder is mounted in middle sheath, and lower motor output end is sequentially connected torsion shaft, swivel nut, circuit board cylinder, center Pressure transmission set, small opening sleeve, are successively threadedly coupled, and the lower integrated test set includes lower circuit board, and lower circuit board is arranged in electricity In the plate cylinder of road, center pressure transmission set upper side is sealingly disposed in inside connector, and connector upper end connects circuit board cylinder, circuit board Cylinder is mounted in middle sheath, installs lower thrust-bearing between the middle sheath and lower motor fixed cylinder.

4. a kind of five parameter intelligent seal-checking instrument of dispensing well according to claim 3, which is characterized in that the lower circuit board packet The first central processing unit, the first memory being electrically connected are included, the lower motor is electrically connected with the first central processing unit, under described Pressure sensor is electrically connected with the first central processing unit.

5. a kind of five parameter intelligent seal-checking instrument of dispensing well according to claim 1 or 2, which is characterized in that the sealer Structure includes pedestal of leather bowl, leather cup pressing sleeve, leather cup, tapered sleeve, and the leather cup upper port corresponds to the tapered sleeve of top, tapered sleeve upper end and long sheath It is threadedly coupled, leather cup lower end is clamped between pedestal of leather bowl, leather cup pressing sleeve, and pedestal of leather bowl lower end is connected to connection set upper side, described Pedestal of leather bowl, leather cup pressing sleeve are sleeved on outside tapered sleeve, and the tapered sleeve inner cavity center Zhong You pressure transmission set is across the installation of tapered sleeve lower end outer wall is solid Determine swivel nut, fixed swivel nut upper surface can be to pedestal of leather bowl lower end surface axial limiting.

6. a kind of five parameter intelligent seal-checking instrument of dispensing well according to claim 5, which is characterized in that the sealing mechanism solution Set driving device include upper motor, spiral shell block, small swivel nut, upper adapter, top cover, lead screw, upper motor collision block, upper Torque sleeve, Machine barrel is powered on, the upper motor, which is mounted on, to be powered in machine barrel, and upper motor output end, lead screw upper end are synchronous with upper Torque sleeve simultaneously Connection, lead screw lower end are axially fixed on adapter, and upper motor collision block, lead screw, the installation of upper motor collision block are arranged on the upside of lead screw In powering in machine barrel lower recess, the lead screw, upper motor collision block form leadscrew-nut mechanism, upper motor output with machine barrel is powered on When the rotation of end, the synchronous axial movement of upper motor collision block powers on machine barrel in upper motor collision block two sides and is disposed with upper and lower limit bit switch； Thrust bearing is provided in the middle part of lead screw, the external load that thrust bearing bears lead screw is transferred on motor cylinder, and load is avoided to make With in upper motor, extension motor service life；Lead screw lower part is threadedly coupled with spiral shell block, is connect outside spiral shell block with small swivel nut screw, It is connect outside small swivel nut with long sheath threaded upper ends, the lead screw, spiral shell block, upper adapter form leadscrew-nut mechanism, lead screw rotation When turning, the synchronization of spiral shell block is moved along lead screw, drives small swivel nut, long sheath synchronizing moving, and long sheath is mobile, drives tapered sleeve is synchronous to move It is dynamic, and then complete the compression and release of leather cup.

7. a kind of five parameter intelligent seal-checking instrument of dispensing well according to claim 6, which is characterized in that the upper integration testing The second central processing unit, the second memory that device is electrically connected, the upper motor is electrically connected with the second central processing unit, described Temperature sensor, flow sensor, magnetic orientation connector, upper pressure sensor are electrically connected with the second central processing unit, magnetic orientation Connector is located in casing upper port, and magnetic orientation upper end of joint connects top connection, powers on machine barrel upper end and connects sliding needle stand, sliding needle stand Upper end connection compresses loop coil, and upper motor upper end is fixed by sliding needle stand, compressing loop coil.

8. a kind of five parameter intelligent seal-checking instrument of dispensing well according to claim 7, which is characterized in that second centre It manages device and is electrically connected ground based processor.