The content of the invention
The embodiment of the present invention matches somebody with somebody poly- device with one heart by providing a kind of layered polymer injection well bridge-type, and the bias to solve is matched somebody with somebody poly-The existing docking success rate of device is low, test period is long, labor intensity is big and influences the technology that the normal notes of other intervals gathers asksTopic.
The embodiments of the invention provide a kind of bridge-type to match somebody with somebody poly- device with one heart, including：
Top connection；
Adapter sleeve, it is connected with the top connection；
Positioning table, it is arranged in the adapter sleeve and is compressed by the top connection, the positioning table and the top connectionClose one end is provided with locating slot and bypass groove, and the annular space that the positioning table is formed with the adapter sleeve is side channel；
Adjusting set, it is arranged in the positioning table and is connected with the positioning table, close to connecing on described in the adjusting setOne end of head is provided with the first sealing ring, is provided with neck in the circumference of the adjusting set, the neck it is close it is described on connectOne end of head is provided with the first back-out groove, and one end of the remote top connection of the neck is provided with the second back-out groove；
Main body, it is connected with the adapter sleeve, is provided with the second sealing in the main body close on one end of the adapter sleeveCircle, the main body have concentric main channel, eccentric orfice and passageway bridge, and it is convex to be provided with support on the inwall of the concentric main channelPlatform and lateral lead channel, are provided with fluid hole at the cecum of the eccentric orfice, first sealing ring, the adjusting set outer wall,The space that the inwall of the positioning table and second sealing ring are formed is chamber, and the chamber is used to house seal grease；
Pedestal, it is arranged at the described one end of main channel away from the adapter sleeve with one heart；
Lower contact, it is connected with the main body, and the pedestal is pressed on the main channel with one heart away from the adapter sleeveOne end；
Throttle core, is arranged in the eccentric orfice.
Alternatively, the adapter sleeve is connected by the first internal thread with the first external screw thread of the top connection.
Alternatively, the adjusting set is connected by the second external screw thread with the second internal thread of the positioning table.
Alternatively, the main body is connected by the 3rd external screw thread with the 3rd internal thread of the adapter sleeve.
Alternatively, the lower contact is connected by the 4th internal thread with the 4th external screw thread of the main body.
Alternatively, one end away from the top connection is provided with the 3rd sealing ring, the 3rd sealing in the adjusting setEnclose the sealing for ensureing the adjusting set and the main channel with one heart.
Alternatively, the throttling core is fusiformis throttling core.
One or more embodiment in the embodiment of the present invention, at least has the following technical effect that or advantage：
(1) for adjusting set with concentric with poly- device main channel, transmission moment of torsion is big, and it is high that success rate is docked when test is allocated；
(2) bridge-type matches somebody with somebody the throttling core ball number continuously adjustabe in poly- device eccentric orfice with one heart, and test allocation data precision significantly carriesIt is high；
(3) with currently advanced survey linkage technique can be adjusted to match, the steel wire compared to routine removes pulling, worker's workLow intensity, individual well, which is surveyed, adjusts the cycle short, and operating efficiency is high；
(4) passageway bridge is devised in structure, the interlayer that can reduce to greatest extent between each layer in test process is doneDisturb, test data can more truly reflect stratum actual state；
(5) larger chock pressure difference in the case of low viscous damage is ensured, can be realized using fusiformis throttling core in eccentric orfice.
Embodiment
The embodiment of the present invention matches somebody with somebody poly- device with one heart by providing a kind of layered polymer injection well bridge-type, and the bias to solve is matched somebody with somebody poly-The existing docking success rate of device is low, test period is long, labor intensity is big and influences the technology that the normal notes of other intervals gathers asksTopic.
The embodiments of the invention provide a kind of bridge-type to match somebody with somebody poly- device with one heart, including：
Top connection；
Adapter sleeve, it is connected with top connection；
Positioning table, it is arranged in adapter sleeve and is compressed by top connection, positioning table one end close with top connection is provided withLocating slot and bypass groove, the annular space that positioning table is formed with adapter sleeve is side channel；
Adjusting set, it is arranged in positioning table and is connected with positioning table, one end of top connection is provided with the in adjusting setOne sealing ring, neck is provided with the circumference of adjusting set, one end close to top connection of neck is provided with the first back-out groove, neckOne end of remote top connection be provided with the second back-out groove；
Main body, it is connected with adapter sleeve, is provided with the second sealing ring in main body close on one end of adapter sleeve, main body has sameHeart main channel, eccentric orfice and passageway bridge, support rim and lateral lead channel, eccentric orfice are provided with the inwall of concentric main channelCecum at be provided with fluid hole, the space that the first sealing ring, the outer wall of adjusting set, the inwall of positioning table and the second sealing ring are formedFor chamber, chamber is used to house seal grease；
Pedestal, it is arranged at the one end of concentric main channel away from adapter sleeve；
Lower contact, it is connected with main body, and pedestal is pressed on the one end of concentric main channel away from adapter sleeve；
Throttle core, is arranged in eccentric orfice.
In specific implementation process, adapter sleeve is connected by the first internal thread with the first external screw thread of top connection.
In specific implementation process, adjusting set is connected by the second external screw thread with the second internal thread of positioning table.
In specific implementation process, main body is connected by the 3rd external screw thread with the 3rd internal thread of adapter sleeve.
In specific implementation process, lower contact is connected by the 4th internal thread with the 4th external screw thread of main body.
In specific implementation process, one end away from top connection is provided with the 3rd sealing ring, the 3rd sealing ring in adjusting setFor ensureing the sealing of adjusting set and concentric main channel.
In specific implementation process, throttling core is fusiformis throttling core.
The advantage of the invention is that：(1) adjusting set with poly- device main channel it is concentric, transmit moment of torsion it is big, test allotment when pairIt is connected into power height；(2) bridge-type matches somebody with somebody the throttling core ball number continuously adjustabe in poly- device eccentric orfice with one heart, and test allocation data precision is notableImprove；(3) with currently advanced survey linkage technique can be adjusted to match, the steel wire compared to routine removes pulling, and worker's work is strongSpend low, individual well, which is surveyed, adjusts the cycle short, and operating efficiency is high；(4) passageway bridge is devised in structure, can be to greatest extent in test processGround reduces the interlayer interference between each layer, and test data can more truly reflect stratum actual state；(5) shuttle is used in eccentric orficeShape throttling core, in the case of low viscous damage is ensured, can realize larger chock pressure difference.
, will be with reference to accompanying drawing 1-3, to illustrate above-mentioned technical proposal in ensuing part.
Fig. 1-3 is refer to, Fig. 1 is the structural representation that bridge-type of the present invention matches somebody with somebody poly- device with one heart；Fig. 2 is that bridge-type shown in Fig. 1 is sameThe heart matches somebody with somebody sectional view of the poly- device along line A-A；Fig. 3 is that bridge-type shown in Fig. 1 matches somebody with somebody sectional view of the poly- device along line B-B with one heart.
As Figure 1-3, bridge-type of the present invention is with one heart with poly- device mainly by top connection 1, locating slot 2, positioning table 3, adapter sleeve4th, sealing ring 5, adjusting set 6, side channel 7, sealing ring 8, main body 9, sealing ring 10, pedestal 11, lower contact 12, sealing ring 13, throttlingCore 14, eccentric orfice 15, screw out groove 16, external screw thread 17, neck 18, internal thread 19, chamber 20, screw out groove 21, bypass groove 22, go out liquidHole 23, passageway bridge 24, lateral lead channel 25, support rim 26, main channel 27 form.
The upper end circumference interaction arrangement of positioning table 3 with poly- device has four locating slots 2 and four bypass grooves 22 to bridge-type with one heart, fixedThe position lower end of platform 3 is embedded in the upper end of main body 9, and the upper end of positioning table 3 is compressed by the top connection 1 of screw-in, and top connection 1 passes through external screw threadIt is connected with the internal thread of adapter sleeve 4, the annular space that adapter sleeve 4 and positioning table 3 are formed is side channel 7；Main body 9 is provided with concentric masterPassage 27, eccentric orfice 15 and passageway bridge 24, three support rims 26, lateral lead channel 25 are provided with the inwall of main channel 27,Fluid hole 23 is provided with the cecum of eccentric orfice 15, pedestal 11 is embedded in the lower end of the concentric main channel 27 of main body 9, by under screw-inJoint 12 compresses positioning table 3, and the lower end external screw thread of main body 9 connects with the internal thread of lower contact 12, the upper external screw thread of main body 9 and adapter sleeve4 internal threads connect；The inner circumferential of adjusting set 6 is disposed with neck 18, and the upper end of neck 18, which has, screws out groove 21, and there is back-out groove the lower end of neck 1816, adjusting set 6 is connected by external screw thread 17 with the internal thread 19 on the inwall of positioning table 3, the external screw thread 17 of adjusting set 6, positioning table 3The confined space that the sealing ring 5 of internal thread 19 and sealing ring 8 form is chamber 20.
Please continue to refer to Fig. 1-Fig. 3, before bridge-type is gone into the well with poly- device with one heart, throttling core 14 it is preset enter main body 9 eccentric orfice 15In, and realize that throttling core 14 seals with eccentric orfice 15 by sealing ring 13, by the pedestal 11 that is embedded in the bottom of main body 9 to throttlingThe axial direction of core 14 carries out spacing；The chamber that the external screw thread 17 of adjusting set 6, the sealing ring 5 of 3 internal thread of positioning table 19 and sealing ring 8 formHTHP stop-leak compound is full of in 20；Adjusting set 6 is adjusted to lower position (i.e. shown position) by measurement and adjustment instrument device, passes through regulationThe sealing ring 10 for covering 6 lower ends realizes being fully sealed for the main channel 27 concentric with main body 9 of adjusting set 6, to ensure that packer suppresses seatSetting pressure during envelope；After completion, note in poly- tubing string by cable tripping in measurement and adjustment instrument device, made by ground signal in measurement and adjustment instrument deviceLocating detent open, and with the upper end of positioning table 3 arrangement locating slot 2 accurately dock, to realize the regulating valve of measurement and adjustment instrument device lower endAccurately docked with the neck on the inwall of adjusting set 6, after the completion of docking, make the regulating valve of measurement and adjustment instrument device lower end anti-by ground signalTo rotation, adjusting set 6 is driven to rotate, the interaction of the internal thread 19 in external screw thread 17 and positioning table 3 in adjusting set 6Under, adjusting set 6 is moved up under the support of support rim 26, and lateral lead channel 25 is gradually opened, and polymer solution passes through masterPassage 27, lateral lead channel 25 are entered in the circular passage that throttling core 14 and eccentric orfice 15 form, and are entered by fluid hole 23Enter to note poly layer section, realize by the consecutive variations for the ball number of core 14 that throttled in eccentric orfice 15 to fine-tune each interval of control with poly-Amount, while another part polymer solution enters bridge-type by bypassing groove 22, side channel 7, passageway bridge 24, pedestal 11 and matched somebody with somebody with one heartIn the oil pipe of poly- device bottom, when adjusting set 6 is moved upwards up to extreme position, lateral lead channel 25 is opened completely, measurement and adjustment instrument device lower endRegulating valve overlapped with the back-out groove 21 in adjusting set 6, regulating valve is from screwing out in groove 21 during reverse rotation, and adjusting set 6 is notInvert again；When ground signal rotates forward the regulating valve of measurement and adjustment instrument device lower end, in the phase interaction of external screw thread 17 and internal thread 19Under, adjusting set 6 moves down under the support of support rim 26, and lateral lead channel 25 tapers into, and adjusting set 6 moves downDuring to extreme position, the main channel 27 concentric with main body 9 of sealing ring 10 of the lower end of adjusting set 6 is fully sealed, lateral lead channel 25Completely close, the regulating valve of measurement and adjustment instrument device lower end overlaps with the back-out groove 16 in adjusting set 6, and regulating valve is from back-out when rotating forwardDeviate from groove 21, adjusting set 6 no longer rotates forward；When adjusting set 6 moves up and down under the interaction of external screw thread 17 and internal thread 19,The HTHP stop-leak compound of filling is constantly replaced up and down in chamber 20, avoids polymer solution or impurity enters chamber 20In.
In ensuing part, the bridge-type provided in an embodiment of the present invention workflow with poly- device with one heart will be introduced.
The first step, before bridge-type is gone into the well with poly- device with one heart, various outer diameter and ball are preferably gone out with poly- amount according to each note poly layer sectionSeveral throttling cores 14, and insert in advance in eccentric orfice 15, and realize that throttling core 14 seals with eccentric orfice 15 by sealing ring 13, pass throughIn the bottom of main body 9, the pedestal 11 of insertion is carried out spacing to the axial direction for the core 14 that throttles；
Second step, adjusting set 6 is adjusted to by lower position (i.e. shown position) by measurement and adjustment instrument device, the lower end of adjusting set 6Sealing ring 10 realizes being fully sealed for the main channel 27 concentric with main body 9 of adjusting set 6, to ensure that it is setting when setting that packer is suppressedPressure；
3rd step, tripping in are assembled with the layered polymer injection process pipe string that bridge-type matches somebody with somebody poly- device with one heart, out of oil pipe water filling suppress, it is realSupporting packer is completely setting in existing process pipe string；
4th step, after completion, with cable in layered polymer injection process pipe string tripping in measurement and adjustment instrument device, survey is made by ground signalLocating detent in demodulating apparatus opens, and is accurately docked with the locating slot 2 of the upper end of positioning table 3 arrangement, to realize measurement and adjustment instrument device lower endRegulating valve is accurately docked with the neck on the inwall of adjusting set 6；
5th step, after the completion of docking, the regulating valve for making measurement and adjustment instrument device lower end by ground signal reversely rotates, and drives regulationSet 6 rotates, and under the interaction of the internal thread 19 in external screw thread 17 and positioning table 3 in adjusting set 6, adjusting set 6 is supportingMoved up under the support of boss 26, lateral lead channel 25 is gradually opened, and polymer solution passes through main channel 27, lateral lead channel25 enter in the circular passage that throttling core 14 and eccentric orfice 15 form, and enter note poly layer sections at different levels by fluid hole 23, realShow by the consecutive variations for the ball number of core 14 that throttled in eccentric orfice 15 come adjustment control with poly- amount, while another part polymer is moltenLiquid enters bridge-type with one heart with the oil pipe of poly- device bottom by bypassing groove 22, side channel 7, passageway bridge 24, pedestal 11, so testsJust not influenceing other intervals during allotment, normally note is poly-, avoids interlayer and interferes；
6th step, when adjusting set 6 is moved upwards up to extreme position, lateral lead channel 25 is opened completely, is reached most with poly- amountGreatly, the regulating valve of measurement and adjustment instrument device lower end overlaps with the back-out groove 21 in adjusting set 6, and regulating valve is from screwing out in groove 21 during reverse rotationAbjection, adjusting set 6 no longer inverts, so as to protect external screw thread 17 and internal thread 19 without damage；
When 7th step, ground signal rotate forward the regulating valve of measurement and adjustment instrument device lower end, in external screw thread 17 and internal thread 19Interaction under, adjusting set 6 moves down under the support of support rim 26, and lateral lead channel 25 tapers into, so poly-The ball number for the throttling core 14 that polymer solution flows through becomes more, and interval is reduced with poly- amount；
8th step, when adjusting set 6 is moved down into extreme position, the sealing ring 10 of the lower end of adjusting set 6 with main body 9 is concentric leadsPassage 27 is fully sealed, and lateral lead channel 25 completely closes, regulating valve and the back-out groove in adjusting set 6 of measurement and adjustment instrument device lower end16 overlap, and from screwing out in groove 21, adjusting set 6 no longer rotates forward regulating valve when rotating forward.
One or more embodiment in the embodiment of the present invention, at least has the following technical effect that or advantage：
(1) for adjusting set with concentric with poly- device main channel, transmission moment of torsion is big, and it is high that success rate is docked when test is allocated；
(2) bridge-type matches somebody with somebody the throttling core ball number continuously adjustabe in poly- device eccentric orfice with one heart, and test allocation data precision significantly carriesIt is high；
(3) with currently advanced survey linkage technique can be adjusted to match, the steel wire compared to routine removes pulling, worker's workLow intensity, individual well, which is surveyed, adjusts the cycle short, and operating efficiency is high；
(4) passageway bridge is devised in structure, the interlayer that can reduce to greatest extent between each layer in test process is doneDisturb, test data can more truly reflect stratum actual state；
(5) larger chock pressure difference in the case of low viscous damage is ensured, can be realized using fusiformis throttling core in eccentric orfice.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present inventionGod and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologiesWithin, then the present invention is also intended to comprising including these changes and modification.