CN105257268A - Bridge type concentric polymer distributor for separate-layer polymer injection well - Google Patents
Bridge type concentric polymer distributor for separate-layer polymer injection well Download PDFInfo
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- CN105257268A CN105257268A CN201510653923.1A CN201510653923A CN105257268A CN 105257268 A CN105257268 A CN 105257268A CN 201510653923 A CN201510653923 A CN 201510653923A CN 105257268 A CN105257268 A CN 105257268A
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- bridge
- regulating sleeve
- top connection
- poly
- positioning table
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Abstract
The invention discloses a bridge type concentric polymer distributor, which comprises an upper joint, a connecting sleeve, a positioning table, a regulating sleeve, a main body, a base, a lower joint and a throttle core. The bridge type concentric polymer distributor has the advantages that (1) the regulating sleeve is concentric with a main passage of the polymer distributor; the transmission torque is great; and the butt joint success rate during the testing and allocation is high; (2) the ball number of the throttle core in an eccentric hole of the bridge type concentric polymer distributor is continuous and adjustable, and the testing and allocation data precision is obviously improved; (3) the bridge type concentric polymer distributor can be matched with the existing advanced testing and allocation linkage technology; compared with a conventional steel wire pulling-out dropping-fishing tool, the bridge type concentric polymer distributor has the advantages that the work intensity of workers is low; the single-well testing and allocation period is short; and the work efficiency is high; (4) a bridge type passage is designed in the structure, the inter-layer interference among all layers can be reduced to the maximum degree in the test process; and the actual stratum condition can be really reflected by test data; and (5) the shuttle-shaped throttle core is used in the eccentric hole; and great throttle pressure differences can be realized under the condition of ensuring low viscosity loss.
Description
Technical field
The present invention relates to petroleum collection technical field, particularly relate to a kind of layered polymer injection well bridge-type and join poly-device with one heart.
Background technology
Join poly-device generally to use in the layered polymer injection well of each elephant of China, the meticulous injection of each interval polymer under a water injection pressure system can be realized, it is a kind of eccentric structure that now widely used bias joins poly-device, eccentric orfice and interior latus rectum decentraction, when normal note is poly-, the poly-amount of note of each interval of throttling fuse regulable control in eccentric orfice is changed by wire Launching and Bailing, be butted into power low, it is long that individual well surveys the tune cycle, labour intensity is large, test allocation data precision is not high, and during test allotment, interlayer disturbs mutually, affects other intervals and normally notes poly-.
Therefore, bias of the prior art is joined poly-device and is existed and be butted into that power is low, test period is long, labour intensity is large and affects the poly-technical problem of the normal note of other intervals.
Summary of the invention
The embodiment of the present invention joins poly-device with one heart by providing a kind of layered polymer injection well bridge-type, and what the bias in order to solve joined that poly-device exists be butted into that power is low, test period is long, labour intensity is large and affect the poly-technical problem of the normal note of other intervals.
Embodiments provide a kind of bridge-type and join poly-device with one heart, comprising:
Top connection;
Adapter sleeve, is connected with described top connection;
Positioning table, to be arranged in described adapter sleeve and to be compressed by described top connection, and described positioning table and the close one end of described top connection are provided with locating slot and bypass groove, and the annular space that described positioning table and described adapter sleeve are formed is side channel;
Regulating sleeve, to be arranged in described positioning table and to be connected with described positioning table, described regulating sleeve is provided with the first sealing ring close to one end of described top connection, the circumference of described regulating sleeve is provided with draw-in groove, one end close to described top connection of described draw-in groove is provided with the first back-out groove, and one end away from described top connection of described draw-in groove is provided with the second back-out groove;
Main body, be connected with described adapter sleeve, described main body is provided with the second sealing ring close on one end of described adapter sleeve, described main body has concentric main channel, eccentric orfice and passageway bridge, the inwall of described concentric main channel is provided with support rim and side direction lead channel, the cecum place of described eccentric orfice has fluid hole, and the space that the outer wall of described first sealing ring, described regulating sleeve, the inwall of described positioning table and described second sealing ring are formed is chamber, and described chamber is used for accommodating seal grease;
Pedestal, is arranged at one end away from described adapter sleeve, described concentric main channel;
Lower contact, is connected with described main body, and described pedestal is pressed on one end away from described adapter sleeve, described concentric main channel;
Throttling core, is arranged in described eccentric orfice.
Alternatively, described adapter sleeve is connected with the first external screw thread of described top connection by the first internal thread.
Alternatively, described regulating sleeve is connected with the second internal thread of described positioning table by the second external screw thread.
Alternatively, described main body is connected with the 3rd internal thread of described adapter sleeve by the 3rd external screw thread.
Alternatively, described lower contact is connected with the 4th external screw thread of described main body by the 4th internal thread.
Alternatively, described regulating sleeve is provided with the 3rd sealing ring away from one end of described top connection, described 3rd sealing ring is for ensureing the sealing of described regulating sleeve and described concentric main channel.
Alternatively, described throttling core is fusiformis throttling core.
One or more embodiment in the embodiment of the present invention, at least has following technique effect or advantage:
(1) regulating sleeve is with to join poly-device main channel concentric, and transmitting torque is large, and it is high to be butted into power during test allotment;
(2) bridge-type joins the throttling core ball number continuously adjustabe in poly-device eccentric orfice with one heart, and test allocation data precision significantly improves;
(3) linkage technique can be adjusted to match with survey advanced at present, compare conventional steel wire and remove pulling, labor strength is low, and it is short that individual well surveys the tune cycle, and operating efficiency is high;
(4) devise passageway bridge in structure, can reduce the interlayer interference between each layer in test process to greatest extent, test data can more truly reflect stratum actual state;
(5) adopt fusiformis throttling core in eccentric orfice, in the low sticky damage situation of guarantee, larger chock pressure difference can be realized.
Accompanying drawing explanation
Fig. 1 is the structural representation that bridge-type of the present invention joins poly-device with one heart;
Fig. 2 joins the sectional view of poly-device along A-A line with one heart for bridge-type shown in Fig. 1;
Fig. 3 joins the sectional view of poly-device along B-B line with one heart for bridge-type shown in Fig. 1.
Detailed description of the invention
The embodiment of the present invention joins poly-device with one heart by providing a kind of layered polymer injection well bridge-type, and what the bias in order to solve joined that poly-device exists be butted into that power is low, test period is long, labour intensity is large and affect the poly-technical problem of the normal note of other intervals.
Embodiments provide a kind of bridge-type and join poly-device with one heart, comprising:
Top connection;
Adapter sleeve, is connected with top connection;
Positioning table, to be arranged in adapter sleeve and to be compressed by top connection, and positioning table and the close one end of top connection are provided with locating slot and bypass groove, and the annular space that positioning table and adapter sleeve are formed is side channel;
Regulating sleeve, to be arranged in positioning table and to be connected with positioning table, regulating sleeve is provided with the first sealing ring close to one end of top connection, the circumference of regulating sleeve is provided with draw-in groove, one end close to top connection of draw-in groove is provided with the first back-out groove, and one end away from top connection of draw-in groove is provided with the second back-out groove;
Main body, be connected with adapter sleeve, main body is provided with the second sealing ring close on one end of adapter sleeve, main body has concentric main channel, eccentric orfice and passageway bridge, the inwall of concentric main channel is provided with support rim and side direction lead channel, the cecum place of eccentric orfice has fluid hole, and the space that the outer wall of the first sealing ring, regulating sleeve, the inwall of positioning table and the second sealing ring are formed is chamber, and chamber is used for accommodating seal grease;
Pedestal, is arranged at one end away from adapter sleeve, concentric main channel;
Lower contact, is connected with main body, and pedestal is pressed on one end away from adapter sleeve, concentric main channel;
Throttling core, is arranged in eccentric orfice.
In specific implementation process, adapter sleeve is connected with the first external screw thread of top connection by the first internal thread.
In specific implementation process, regulating sleeve is connected with the second internal thread of positioning table by the second external screw thread.
In specific implementation process, main body is connected with the 3rd internal thread of adapter sleeve by the 3rd external screw thread.
In specific implementation process, lower contact is connected with the 4th external screw thread of main body by the 4th internal thread.
In specific implementation process, regulating sleeve is provided with the 3rd sealing ring away from one end of top connection, the 3rd sealing ring is for ensureing the sealing of regulating sleeve and concentric main channel.
In specific implementation process, throttling core is fusiformis throttling core.
The invention has the advantages that: (1) regulating sleeve is with to join poly-device main channel concentric, and transmitting torque is large, it is high to be butted into power during test allotment; (2) bridge-type joins the throttling core ball number continuously adjustabe in poly-device eccentric orfice with one heart, and test allocation data precision significantly improves; (3) linkage technique can be adjusted to match with survey advanced at present, compare conventional steel wire and remove pulling, labor strength is low, and it is short that individual well surveys the tune cycle, and operating efficiency is high; (4) devise passageway bridge in structure, can reduce the interlayer interference between each layer in test process to greatest extent, test data can more truly reflect stratum actual state; (5) adopt fusiformis throttling core in eccentric orfice, in the low sticky damage situation of guarantee, larger chock pressure difference can be realized.
In ensuing part, incite somebody to action 1-3 by reference to the accompanying drawings, technique scheme is described.
Please refer to Fig. 1-3, Fig. 1 is the structural representation that bridge-type of the present invention joins poly-device with one heart; Fig. 2 joins the sectional view of poly-device along A-A line with one heart for bridge-type shown in Fig. 1; Fig. 3 joins the sectional view of poly-device along B-B line with one heart for bridge-type shown in Fig. 1.
As Figure 1-3, bridge-type of the present invention join with one heart poly-device primarily of top connection 1, locating slot 2, positioning table 3, adapter sleeve 4, sealing ring 5, regulating sleeve 6, side channel 7, sealing ring 8, main body 9, sealing ring 10, pedestal 11, lower contact 12, sealing ring 13, throttling core 14, eccentric orfice 15, screw out groove 16, external screw thread 17, draw-in groove 18, internal thread 19, chamber 20, screw out groove 21, bypass groove 22, fluid hole 23, passageway bridge 24, side direction lead channel 25, support rim 26, main channel 27 form.
The positioning table 3 upper end circumference interaction arrangement that bridge-type joins poly-device with one heart has four locating slots 2 and four bypass grooves 22, positioning table 3 lower end is embedded in the upper end of main body 9, positioning table 3 upper end is compressed by the top connection 1 screwed in, top connection 1 is connected with adapter sleeve 4 internal thread by external screw thread, and the annular space that adapter sleeve 4 and positioning table 3 are formed is side channel 7; Main body 9 is provided with concentric main channel 27, eccentric orfice 15 and passageway bridge 24, main channel 27 inwall is provided with three support rims 26, side direction lead channel 25, eccentric orfice 15 cecum place has fluid hole 23, pedestal 11 is embedded in the lower end of the concentric main channel 27 of main body 9, positioning table 3 is compressed by the lower contact 12 screwed in, main body 9 lower end external screw thread is connected with lower contact 12 internal thread, and main body 9 upper external screw thread is connected with adapter sleeve 4 internal thread; Regulating sleeve 6 inner circumferential is furnished with draw-in groove 18, there is back-out groove 21 draw-in groove 18 upper end, there is back-out groove 16 draw-in groove 18 lower end, regulating sleeve 6 is connected with the internal thread 19 on positioning table 3 inwall by external screw thread 17, and the confined space of regulating sleeve 6 external screw thread 17, positioning table 3 internal thread 19 sealing ring 5 and sealing ring 8 composition is chamber 20.
Please continue to refer to Fig. 1-Fig. 3, bridge-type is joined before poly-device goes into the well with one heart, throttling core 14 preset enter main body 9 eccentric orfice 15 in, and realize throttling core 14 by sealing ring 13 and seal with eccentric orfice 15, undertaken spacing by the axis of the pedestal 11 pairs of throttling cores 14 embedded in main body 9 bottom, HTHP stop-leak compound is full of in the chamber 20 of regulating sleeve 6 external screw thread 17, positioning table 3 internal thread 19 sealing ring 5 and sealing ring 8 composition, regulating sleeve 6 adjusts to lower position (i.e. shown position) by measurement and adjustment instrument device, is realized the sealing completely of regulating sleeve 6 and the concentric main channel 27 of main body 9, to ensure that setting pressure when setting suppressed by packer by the sealing ring 10 of regulating sleeve 6 lower end, after completion, by entering measurement and adjustment instrument device under cable in the poly-tubing string of note, by ground signal, the locating detent in measurement and adjustment instrument device is opened, and accurately dock with the locating slot 2 that positioning table 3 upper end is arranged, accurately dock with the draw-in groove on regulating sleeve 6 inwall with the control valve realizing measurement and adjustment instrument device lower end, after having docked, by ground signal, the control valve of measurement and adjustment instrument device lower end is reversely rotated, regulating sleeve 6 is driven to rotate, under the interaction of the external screw thread 17 in regulating sleeve 6 and the internal thread 19 in positioning table 3, regulating sleeve 6 moves up under the support of support rim 26, side direction lead channel 25 is opened gradually, polymer solution is by main channel 27, side direction lead channel 25 enters into the circular passage of throttling core 14 and eccentric orfice 15 composition, and enter note poly layer section by fluid hole 23, achieve and join poly-amount by the next each interval of meticulous regulable control of the consecutive variations of throttling core 14 ball number in eccentric orfice 15, another part polymer solution is by bypass groove 22 simultaneously, side channel 7, passageway bridge 24, pedestal 11 enters into bridge-type and joins poly-device bottom oil pipe with one heart, when regulating sleeve 6 is moved upwards up to extreme position, side direction lead channel 25 is opened completely, the control valve of measurement and adjustment instrument device lower end overlaps with the back-out groove 21 in regulating sleeve 6, during reverse rotation, control valve is deviate from from back-out groove 21, regulating sleeve 6 no longer reverses, when ground signal makes the control valve of measurement and adjustment instrument device lower end rotate forward, under the interaction of external screw thread 17 and internal thread 19, regulating sleeve 6 moves down under the support of support rim 26, side direction lead channel 25 diminishes gradually, when regulating sleeve 6 is moved down into extreme position, the sealing ring 10 of regulating sleeve 6 lower end and the sealing completely of the concentric main channel 27 of main body 9, side direction lead channel 25 is closed completely, the control valve of measurement and adjustment instrument device lower end overlaps with the back-out groove 16 in regulating sleeve 6, when rotating forward, control valve is deviate from from back-out groove 21, and regulating sleeve 6 no longer rotates forward, when under the interaction of external screw thread 17 and internal thread 19, regulating sleeve 6 moves up and down, the HTHP stop-leak compound of filling in chamber 20 is constantly replaced up and down, avoids polymer solution or impurity enters in chamber 20.
In ensuing part, the bridge-type introduced the embodiment of the present invention and provide is joined with one heart the workflow of poly-device.
The first step, bridge-type is joined before poly-device goes into the well with one heart, the throttling core 14 that poly-amount optimizes various outer diameter and ball number is joined according to each note poly layer section, and insert in eccentric orfice 15 in advance, and realize throttling core 14 by sealing ring 13 and seal with eccentric orfice 15, undertaken spacing by the axis of the pedestal 11 pairs of throttling cores 14 embedded in main body 9 bottom;
Second step, by measurement and adjustment instrument device, regulating sleeve 6 is adjusted to lower position (i.e. shown position), the sealing ring 10 of regulating sleeve 6 lower end realizes the sealing completely of regulating sleeve 6 and the concentric main channel 27 of main body 9, to ensure that setting pressure when setting suppressed by packer;
3rd step, under enter assembly and have bridge-type to join the layered polymer injection process pipe string of poly-device with one heart, in oil pipe, water filling is suppressed, and realizes packer supporting in process pipe string completely setting;
4th step, after completion, measurement and adjustment instrument device is entered under cable is in layered polymer injection process pipe string, by ground signal, the locating detent in measurement and adjustment instrument device is opened, the locating slot 2 arranged with positioning table 3 upper end accurately docks, and accurately docks with the draw-in groove on regulating sleeve 6 inwall with the control valve realizing measurement and adjustment instrument device lower end;
5th step, after having docked, by ground signal, the control valve of measurement and adjustment instrument device lower end is reversely rotated, regulating sleeve 6 is driven to rotate, under the interaction of the external screw thread 17 in regulating sleeve 6 and the internal thread 19 in positioning table 3, regulating sleeve 6 moves up under the support of support rim 26, side direction lead channel 25 is opened gradually, polymer solution is by main channel 27, side direction lead channel 25 enters into the circular passage of throttling core 14 and eccentric orfice 15 composition, and enter note poly layer section at different levels by fluid hole 23, achieve and carry out regulable control by the consecutive variations of throttling core 14 ball number in eccentric orfice 15 and join poly-amount, another part polymer solution is by bypass groove 22 simultaneously, side channel 7, passageway bridge 24, pedestal 11 enters into bridge-type and joins poly-device bottom oil pipe with one heart, just not affecting other intervals during such test allotment normally notes poly-, avoid interlayer mutually to disturb,
6th step, when regulating sleeve 6 is moved upwards up to extreme position, side direction lead channel 25 is opened completely, join poly-amount and reach maximum, the control valve of measurement and adjustment instrument device lower end overlaps with the back-out groove 21 in regulating sleeve 6, during reverse rotation, control valve is deviate from from back-out groove 21, and regulating sleeve 6 no longer reverses, thus protection external screw thread 17 and internal thread 19 are not damaged;
7th step, when ground signal makes the control valve of measurement and adjustment instrument device lower end rotate forward, under the interaction of external screw thread 17 and internal thread 19, regulating sleeve 6 moves down under the support of support rim 26, side direction lead channel 25 diminishes gradually, the ball number of the throttling core 14 that such polymer solution flows through becomes many, and the poly-amount of joining of interval reduces;
8th step, when regulating sleeve 6 is moved down into extreme position, the sealing ring 10 of regulating sleeve 6 lower end and the sealing completely of the concentric main channel 27 of main body 9, side direction lead channel 25 is closed completely, the control valve of measurement and adjustment instrument device lower end overlaps with the back-out groove 16 in regulating sleeve 6, when rotating forward, control valve is deviate from from back-out groove 21, and regulating sleeve 6 no longer rotates forward.
One or more embodiment in the embodiment of the present invention, at least has following technique effect or advantage:
(1) regulating sleeve is with to join poly-device main channel concentric, and transmitting torque is large, and it is high to be butted into power during test allotment;
(2) bridge-type joins the throttling core ball number continuously adjustabe in poly-device eccentric orfice with one heart, and test allocation data precision significantly improves;
(3) linkage technique can be adjusted to match with survey advanced at present, compare conventional steel wire and remove pulling, labor strength is low, and it is short that individual well surveys the tune cycle, and operating efficiency is high;
(4) devise passageway bridge in structure, can reduce the interlayer interference between each layer in test process to greatest extent, test data can more truly reflect stratum actual state;
(5) adopt fusiformis throttling core in eccentric orfice, in the low sticky damage situation of guarantee, larger chock pressure difference can be realized.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (7)
1. bridge-type joins a poly-device with one heart, it is characterized in that, comprising:
Top connection;
Adapter sleeve, is connected with described top connection;
Positioning table, to be arranged in described adapter sleeve and to be compressed by described top connection, and described positioning table and the close one end of described top connection are provided with locating slot and bypass groove, and the annular space that described positioning table and described adapter sleeve are formed is side channel;
Regulating sleeve, to be arranged in described positioning table and to be connected with described positioning table, described regulating sleeve is provided with the first sealing ring close to one end of described top connection, the circumference of described regulating sleeve is provided with draw-in groove, one end close to described top connection of described draw-in groove is provided with the first back-out groove, and one end away from described top connection of described draw-in groove is provided with the second back-out groove;
Main body, be connected with described adapter sleeve, described main body is provided with the second sealing ring close on one end of described adapter sleeve, described main body has concentric main channel, eccentric orfice and passageway bridge, the inwall of described concentric main channel is provided with support rim and side direction lead channel, the cecum place of described eccentric orfice has fluid hole, and the space that the outer wall of described first sealing ring, described regulating sleeve, the inwall of described positioning table and described second sealing ring are formed is chamber, and described chamber is used for accommodating seal grease;
Pedestal, is arranged at one end away from described adapter sleeve, described concentric main channel;
Lower contact, is connected with described main body, and described pedestal is pressed on one end away from described adapter sleeve, described concentric main channel;
Throttling core, is arranged in described eccentric orfice.
2. bridge-type as claimed in claim 1 joins poly-device with one heart, it is characterized in that, described adapter sleeve is connected with the first external screw thread of described top connection by the first internal thread.
3. bridge-type as claimed in claim 1 joins poly-device with one heart, it is characterized in that, described regulating sleeve is connected with the second internal thread of described positioning table by the second external screw thread.
4. bridge-type as claimed in claim 1 joins poly-device with one heart, it is characterized in that, described main body is connected with the 3rd internal thread of described adapter sleeve by the 3rd external screw thread.
5. bridge-type as claimed in claim 1 joins poly-device with one heart, it is characterized in that, described lower contact is connected with the 4th external screw thread of described main body by the 4th internal thread.
6. bridge-type as claimed in claim 1 joins poly-device with one heart, and it is characterized in that, described regulating sleeve is provided with the 3rd sealing ring away from one end of described top connection, described 3rd sealing ring is for ensureing the sealing of described regulating sleeve and described concentric main channel.
7. bridge-type as claimed in claim 1 joins poly-device with one heart, and it is characterized in that, described throttling core is fusiformis throttling core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510653923.1A CN105257268B (en) | 2015-10-10 | 2015-10-10 | A kind of layered polymer injection well matches somebody with somebody poly- device with one heart with bridge-type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510653923.1A CN105257268B (en) | 2015-10-10 | 2015-10-10 | A kind of layered polymer injection well matches somebody with somebody poly- device with one heart with bridge-type |
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| Publication Number | Publication Date |
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| CN105257268A true CN105257268A (en) | 2016-01-20 |
| CN105257268B CN105257268B (en) | 2018-03-09 |
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| CN201510653923.1A Active CN105257268B (en) | 2015-10-10 | 2015-10-10 | A kind of layered polymer injection well matches somebody with somebody poly- device with one heart with bridge-type |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837275A (en) * | 2017-01-13 | 2017-06-13 | 中国海洋石油总公司 | A kind of large-discharge single pipe layered polymer injection tunable arrangement |
| CN109339748A (en) * | 2018-09-11 | 2019-02-15 | 中国海洋石油集团有限公司 | A kind of poly- dispenser of water suitable for offshore oilfield |
| CN112647911A (en) * | 2020-12-28 | 2021-04-13 | 中国海洋石油集团有限公司 | Chemical flooding multi-medium bridge type channel injection allocation device |
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| CN204212755U (en) * | 2014-10-31 | 2015-03-18 | 中国石油天然气股份有限公司 | Integral type concentric roater regulator |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106837275A (en) * | 2017-01-13 | 2017-06-13 | 中国海洋石油总公司 | A kind of large-discharge single pipe layered polymer injection tunable arrangement |
| CN106837275B (en) * | 2017-01-13 | 2019-06-18 | 中国海洋石油集团有限公司 | A kind of large-discharge single pipe layered polymer injection tunable arrangement |
| CN109339748A (en) * | 2018-09-11 | 2019-02-15 | 中国海洋石油集团有限公司 | A kind of poly- dispenser of water suitable for offshore oilfield |
| CN109339748B (en) * | 2018-09-11 | 2020-12-29 | 中国海洋石油集团有限公司 | Water accumulation separate injection device suitable for offshore oil field |
| CN112647911A (en) * | 2020-12-28 | 2021-04-13 | 中国海洋石油集团有限公司 | Chemical flooding multi-medium bridge type channel injection allocation device |
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| CN105257268B (en) | 2018-03-09 |
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