CN103089222B - Polymer injection device free from dropping and fishing - Google Patents
Polymer injection device free from dropping and fishing Download PDFInfo
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- CN103089222B CN103089222B CN201310061493.5A CN201310061493A CN103089222B CN 103089222 B CN103089222 B CN 103089222B CN 201310061493 A CN201310061493 A CN 201310061493A CN 103089222 B CN103089222 B CN 103089222B
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- throttling
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Abstract
The invention relates to a polymer injection device free from dropping and fishing. The polymer injection device comprises a polymer injection device body (1) and a throttling core (2). A core rod (25) is arranged below a fishing rod (22) and can be driven by the fishing rod (22) to rotate with the fishing rod (22). A connecting sleeve (26) is arranged below an upper main body (21), wherein the upper end of the connecting sleeve (26) is connected with the upper main body (21). A nut (27) sleeved on the core rod (25) is installed in a fusiform rod (24). Fusiform holes matched with the outer wall of the fusiform rod (24) of the throttling core are formed in the part inner wall between a liquid inlet (31) and a liquid outlet (32) of a throttling core hole (3) of a main body (11) of the polymer injection device body (1). When the polymer injection device is used, the throttling core does not need to be pulled out of the ground so as to be changed, flow and pressure drop can be directly adjusted by a tool in the down hole, and therefore the polymer injection operation free from dropping and fishing working can be achieved through polymer injection work, manpower, material resources and time can be greatly saved, precision and reliability of polymer injection are improved, oil extraction cost is reduced indirectly, and oil extraction efficiency is improved.
Description
Technical field
The present invention relates to petroleum tool, be specifically related to a kind ofly join poly-device for oil field water well depositing polymer.
Background technology
Along with the development of China's tertiary oil production in oil field, eccentric depositing polymer technology is applied more and more widely, and have received well poly-oily effect.But the poly-following problem of instrument ubiquity of existing bias note: the adjustment of flow and pressure drop when 1, note is poly-will realize by the fusiformis throttling fuse changing different size model, throttling fuse needs to be salvaged ground with special tool when changing, drop into new throttling fuse again, repeatedly change adjustment, until pressure drop and flow suitable, process is complicated and cumbersome; 2, during depositing, the injection parameter often changing the throttling fuse that one-level throttling fuse all can have been adjusted other interval has an impact, need again to readjust parameter to the interval of parameter change, need pulling repeatedly and change throttling fuse, also can only will reach close to design load through adjustment many times in theory.
Summary of the invention
The object of this invention is to provide a kind of casting and dragging free carrying out changing, can directly directly carrying out regulating in down-hole instrument convection current amount, pressure drop in ground that need not trip out and join poly-device.
Technical solution of the present invention is: it comprises joins poly-device body and throttling fuse, throttling fuse comprises main body, drag for bar, cam mechanism and fusiformis bar, the below of dragging for bar is provided with upper end and drags for the axial sliding fit of bar lower end and can with the core bar dragging for bar and rotate, the below of upper main body is provided with and is sleeved on core bar and is inserted in fusiformis bar, the adapter sleeve that upper end is connected by screw thread with upper main body, be provided with by the nut of thread set on core bar in fusiformis bar, the barrel that adapter sleeve is positioned at fusiformis bar is provided with axial cylindrical void, the outer wall of nut is provided with can the slide block that slides of cylindrical void vertically, join poly-device body party side-wall shaft to throttling fuse hole be connected by inlet opening with main center hole, communicated by fluid hole with body exterior, throttling fuse bore portion inwall between inlet opening and fluid hole is the fusiformis hole of matching with throttling fuse fusiformis bar outer wall, to be contacted mutually the reducing hole formed by the cone cylindrical hole that aperture, large bottom, aperture, multistage top is little in fusiformis hole.
Technique effect of the present invention is: throttling fuse need not be tripped out ground during use and carry out changing, can directly directly regulating in down-hole instrument convection current amount, pressure drop, thus make note gather work to realize casting and dragging free operation, save manpower and materials and time greatly, and improve the poly-accuracy and reliability of note, indirectly reduce cost for oil production, improve oil recovery efficiency.This casting and dragging free join poly-device can not affect when regulating and controlling single interval other interval running parameter change, make regulation and control work become simple and reliable, can realize same pacing and adjust, use more convenient, overall survey adjusts efficiency higher.
Accompanying drawing explanation
Fig. 1 is that embodiment of the present invention casting and dragging free joins the axial sectional view of poly-device;
Fig. 2 is the axial sectional view of embodiment of the present invention throttling fuse.
Detailed description of the invention
Casting and dragging free joins poly-device, as Fig. 1, shown in Fig. 2, it comprises joins poly-device body 1 and throttling fuse 2, throttling fuse 2 comprises main body 21, drag for bar 22, cam mechanism 23 and fusiformis bar 24, the below of dragging for bar 22 is provided with upper end and drags for bar 22 lower end axial sliding fit and can with the core bar 25 dragging for bar 22 and rotate, the below of upper main body 21 is provided with and is sleeved on core bar 25 and is inserted in fusiformis bar 24, the adapter sleeve 26 that upper end is connected by screw thread with upper main body 21, be provided with by the nut 27 of thread set on core bar 25 in fusiformis bar 24, the barrel that adapter sleeve 26 is positioned at fusiformis bar 24 is provided with axial cylindrical void 28, the outer wall of nut 27 is provided with can the slide block that slides of cylindrical void 28 vertically, join poly-device body 1 main body 11 side-wall shaft to throttling fuse hole 3 be connected by inlet opening 31 with main body 11 centre bore, communicated by fluid hole 32 with main body 11 outside, throttling fuse hole 3 internal partial wall between inlet opening 31 and fluid hole 32 is the fusiformis hole of matching with throttling fuse fusiformis bar 24 outer wall, to be contacted mutually the reducing hole formed by the cone cylindrical hole that aperture, large bottom, aperture, multistage top is little in fusiformis hole.
Join poly-device body 1 main body 11 sidewall and be provided with same pacing balancing hole 4, be positioned at throttling fuse hole 3 inlet opening 31 lower opening on main body 11 lower surface with the pacing balancing hole 4 throttling fuse hole 3 upper and lower mouth of inlet opening 31 upper body 11 center bore inner wall that is opened on suitable for reading.
Fusiformis hole is made up of the lining 5 that the aperture, large bottom, aperture, multiple top be fitted in turn in the straight hole of main body 11 throttling fuse hole 3 is little.
Join poly-device body 1 and include main body 11, top connection 12, upper centralizer body 13, upper joint sleeve 14, lower centralizer body 15, upper guide way 16, lower joint sleeve 17, support 18, lower guide way 19 and lower contact 20, the lower end of top connection 12 is connected with upper joint sleeve 14 upper end by screw thread, the upper end of main body 11 is connected with upper joint sleeve 14 lower end by screw thread, the upper end of upper centralizer body 13 is sleeved in the end opening of top connection 12, lower end is connected with lower centralizer body 15 upper end with by bolt, the lower end of lower centralizer body 15 and the upper end phase clamping of main body 11, upper guide way 16 is arranged in lower centralizer body 15 by bolt, the upper end of lower joint sleeve 17 is connected with main body 11 lower end by screw thread, lower end is connected with lower contact 20 by screw thread, the upper end of support 18 is sleeved in main body 11 end opening, lower end is sleeved in lower contact 20, lower guide way 19 is arranged in support 18 by bolt.
The upper end of fusiformis bar 24 is threaded connection the pressure cap 29 be sleeved on adapter sleeve 26, and nut 27 is arranged in pressure cap 29, and the upper end of fusiformis bar 24 body is provided with the slide block draw-in groove 30 matched with the slide block on nut 27.
Be provided with in the upper end of adapter sleeve 26 and be sleeved on core bar 25 upper and lower end top and be pressed in upper spacer 33 on nut 27 upper surface, the outer shroud decometer of upper spacer 33 upper end is above adapter sleeve 26 inner face, be provided with the compression spring 34 be sleeved on core bar 25 above upper spacer 33, the upper and lower end top, outer land lower surface be pressed on core bar 25, top, upper end of compression spring 34 is pressed on the upper surface of spacer 33.The lower end of core bar 25 is provided with lower nut 36 by screw thread and radial bearing pin 35, lower nut 36 is positioned at fusiformis bar 24, the outer wall of lower nut 36 and the inwall of fusiformis bar 24 and is slidably matched, be provided with above lower nut 36 and be positioned at fusiformis bar 24 and be sleeved on lower stage clip 37 on core bar 25, the top of lower stage clip 37 be provided be positioned at fusiformis bar 24, be sleeved on core bar 25, lower spacer 38 that upper end is inserted into adapter sleeve 26 lower end, the top, upper end of lower stage clip 37 is pressed on the lower surface of lower spacer 38, top, upper end is pressed on the upper surface of lower nut 36.To be nuts 27 make nut 27 can again be screwed on the thread segment of core bar 25 from pressing down nut 27 after the thread segment core bar 25 upwards screws out for the effect of upper spacer 33 and compression spring 34, and the effect of lower spacer 38 and lower stage clip 37 is that nut 27 screws out rear upper pressure nut 27 downwards from the thread segment core bar 25 nut 27 can be screwed on the thread segment of core bar 25 again.The bottom of fusiformis bar 24 is provided with pilot seal 39, and pilot seal 39 cylindrical outer wall are provided with two seals circle, and fusiformis bar 24 outer wall above pilot seal 39 is to the reducing cylindricality formed that is connected by the up-thin-low-thick cone cylindrical axes of multistage.
The upper end of upper main body 21 is provided with plug screw 40 by screw thread, drag for bar 22 stage casing to slide axially and be arranged in plug screw 40, hypomere is positioned at main body 21, drag for hypomere that bar 22 is positioned at main body 21 be set be positioned at main body 21 drag for bar cover 41, drag for bar cover 41, with the outer cover of dragging for bar 22, the positioning sleeve 42 be arranged in main body 21 is housed, the upper surface of the interior land of positioning sleeve 42 lower end is stuck in from bottom to top drags for restriction on lower surface that bar overlaps 41 lower ends and drags for bar cover 41 and move down, the outer land of positioning sleeve 42 upper end is stuck on the upper surface of main body 21 from the top down, be provided with in plug screw 40 and positioning sleeve 42 to be sleeved on to drag for bar 22 and drag for and bar cover 41 drags for bar reseting pressuring spring 43, the top, upper end of dragging for bar reseting pressuring spring 43 is pressed on plug screw 40 inner face, top, lower end is pressed in drags for bar and overlaps on the outer land upper surface of 41 lower ends, that drags for bar 22 upper end drags for the square locating piece 44 being provided with between head and plug screw 40 upper surface and being stuck in and dragging between head and plug screw 40 upper surface, the side mouth of square locating piece 44 is sleeved on drags for bar 22 from dragging for bar 22 sidepiece, be arranged on by bearing pin 45 and drag on bar 22.
Cam mechanism 23 is made up of cam 46, torsion spring and jointed shaft 47, cam 46 and torsion spring are positioned to drag for below bar 22 and are hinged in upper main body 21 radial through jointed shaft 47, it is spacing that cam 46 is dragged for bar 22, drag for bar 22 by carry after the position-limiting action of cam 46 is removed, claw on cam 46 freely rotates downwards, and throttling fuse 2 can be gone out by from underground fishing.
Operating principle: by instrument, throttling fuse 2 is put into the throttling fuse hole 3 of joining poly-device body 1 main body 11 in down-hole during operation, claw after cam 46 enters the inner groove in throttling fuse hole 3 on cam 46 be stuck in join poly-device body 1 main body 11 throttling fuse hole 3 inner groove in, throttling fuse 2 is fixed on and joins on poly-device body 1.(by bailing bar 22 on instrument during salvaging throttling fuse 2, drag for bar 22 up relative to upper main body 21, drag for bar 22 lower end to remove the restriction of cam mechanism 23, claw when dragging for bar 22 and driving throttling fuse 2 to continue up on cam 46 freely rotates downwards, make throttling fuse 2 and the fixation of joining between poly-device body 1 is removed, throttling fuse 2 just can be gone out by from underground fishing).First square locating piece 44 is driven to rotate by downhole tool when throttling fuse 2 uses, square locating piece 44 drives and drags for bar 22, core bar 25 rotates, core bar 25 rotates through nut 27 and makes fusiformis bar 24 slide downward on adapter sleeve 26, the pilot seal of fusiformis bar 24 lower end 39 is in throttling fuse hole 3 straight hole slipped down to below inlet opening 31, and the throttling fuse hole 3 below inlet opening 31 seals up by the sealing ring in pilot seal 39.Can remove from like this before using common throttling fuse survey tune and need, in advance to the work of joining in poly-device body the throttling fuse hole 3 of throwing below the clogging inlet opening 31 of blanking plug, to further increase operating efficiency.Just can to down-hole injection of polymer after throttling fuse hole 3 below inlet opening 31 is sealed up, polymer is by main body 11 centre bore, throttling fuse hole inlet opening 31, gap between throttling fuse hole 3 and fusiformis bar 24, throttling fuse hole 3 fluid hole 32 injects stratum, now it is made axially to slide up or down in throttling fuse hole 3 by instrument adjustment fusiformis bar 24, the gap of fusiformis bar 24 outer wall and fusiformis hole inwall is changed just directly to regulate by the polymer flow rate of throttling fuse 2 and pressure drop in down-hole, realize casting and dragging free down-hole to regulate, greatly reduce and use the common trouble of joining poly-device and needing repeatedly pulling throttling fuse, thus increase substantially operating efficiency, greatly save the activity duration.
This throttling fuse of joining poly-device can need not trip out ground and need not change in down-hole, can directly in down-hole instrument convection current amount, and pressure drop directly regulates, and has the following advantages:
1, casting and dragging free is joined the inwall matched with throttling fuse fusiformis bar 24 in poly-device throttling fuse hole 3 and is adopted wave fusiformis hole, by adjustment throttling fuse 2, fusiformis bar 24 is moved up and down and makes the space change between throttling fuse hole 3 wave inwall and fusiformis bar 24 realize carrying out Effective Regulation to flow, pressure drop.
2, join poly-device body 1 main body 11 and adopt binary channel dihedral channel design, do not affect the change of other interval working system when can make like this to regulate and control single interval, thus make regulation and control work become simple and reliable.
Claims (10)
1. casting and dragging free joins poly-device, it comprises joins poly-device body (1) and throttling fuse (2), it is characterized in that: throttling fuse (2) comprises main body (21), drag for bar (22), cam mechanism (23) and fusiformis bar (24), the below of dragging for bar (22) is provided with upper end and drags for bar (22) lower end axial sliding fit and can with the core bar (25) dragging for bar (22) and rotate, the below of upper main body (21) is provided with and is sleeved on core bar (25) and goes up and be inserted in fusiformis bar (24), the adapter sleeve (26) that upper end and upper main body (21) are connected by screw thread, be provided with by the nut (27) of thread set on core bar (25) in fusiformis bar (24), the barrel that adapter sleeve (26) is positioned at fusiformis bar (24) is provided with axial cylindrical void (28), the outer wall of nut (27) is provided with can the slide block that slides of cylindrical void (28) vertically, join poly-device body (1) main body (11) side-wall shaft to throttling fuse hole (3) and main body (11) centre bore be connected by inlet opening (31), communicate with the outside fluid hole (32) that passes through of main body (11), throttling fuse hole (3) internal partial wall between inlet opening (31) and fluid hole (32) is the fusiformis hole of matching with throttling fuse fusiformis bar (24) outer wall, to be contacted mutually the reducing hole formed by the cone cylindrical hole that aperture, large bottom, aperture, multistage top is little in fusiformis hole.
2. casting and dragging free as claimed in claim 1 joins poly-device, join poly-device body (1) main body (11) sidewall described in it is characterized in that and be provided with same pacing balancing hole (4), be positioned at throttling fuse hole (3) inlet opening (31) lower opening on main body (11) lower surface with pacing balancing hole (4) the upper and lower mouth of throttling fuse hole (3) inlet opening (31) upper body (11) center bore inner wall that is opened on suitable for reading.
3. casting and dragging free as claimed in claim 1 joins poly-device, it is characterized in that described fusiformis hole is made up of the lining (5) that the aperture, large bottom, aperture, multiple top be fitted in turn in main body (11) throttling fuse hole (3) straight hole is little.
4. casting and dragging free as claimed in claim 1 joins poly-device, join poly-device body (1) described in it is characterized in that and include main body (11), top connection (12), upper centralizer body (13), upper joint sleeve (14), lower centralizer body (15), upper guide way (16), lower joint sleeve (17), support (18), lower guide way (19) and lower contact (20), the lower end of top connection (12) is connected with upper joint sleeve (14) upper end by screw thread, the upper end of main body (11) is connected with upper joint sleeve (14) lower end by screw thread, the upper end of upper centralizer body (13) is sleeved in the end opening of top connection (12), lower end is connected with lower centralizer body (15) upper end with by bolt, the lower end of lower centralizer body (15) and the upper end phase clamping of main body (11), upper guide way (16) is arranged in lower centralizer body (15) by bolt, the upper end of lower joint sleeve (17) is connected with main body (11) lower end by screw thread, lower end is connected with lower contact (20) by screw thread, the upper end of support (18) is sleeved in main body (11) end opening, lower end is sleeved in lower contact (20), lower guide way (19) is arranged in support (18) by bolt.
5. casting and dragging free as claimed in claim 1 joins poly-device, it is characterized in that the upper end of described fusiformis bar (24) is threaded connection the pressure cap (29) be sleeved on adapter sleeve (26), nut (27) is arranged in pressure cap (29), and the upper end of fusiformis bar (24) body is provided with the slide block draw-in groove (30) matched with the slide block on nut (27).
6. casting and dragging free as claimed in claim 5 joins poly-device, be provided with in the upper end that it is characterized in that described adapter sleeve (26) and be sleeved on core bar (25) upper and lower end top and be pressed in upper spacer (33) on nut (27) upper surface, the outer shroud decometer of upper spacer (33) upper end is in the top of adapter sleeve (26) inner face, upper spacer (33) top is provided with the compression spring (34) be sleeved on core bar (25), and the upper and lower end top, outer land lower surface be pressed on core bar (25), top, upper end of compression spring (34) is pressed on the upper surface of spacer (33).
7. casting and dragging free as claimed in claim 5 joins poly-device, it is characterized in that the lower end of described core bar (25) is provided with lower nut (36) by screw thread and radial bearing pin (35), lower nut (36) is positioned at fusiformis bar (24), the outer wall of lower nut (36) and the inwall of fusiformis bar (24) are slidably matched, lower nut (36) top is provided with and is positioned at fusiformis bar (24) and is sleeved on lower stage clip (37) on core bar (25), the top of lower stage clip (37) is provided with and is positioned at fusiformis bar (24), be sleeved on core bar (25), upper end is inserted into the lower spacer (38) in adapter sleeve (26) lower end, the top, upper end of lower stage clip (37) is pressed on the lower surface of lower spacer (38), top, upper end is pressed on the upper surface of lower nut (36).
8. casting and dragging free as claimed in claim 1 joins poly-device, it is characterized in that the bottom of described fusiformis bar (24) is provided with pilot seal head (39), pilot seal head (39) cylindrical outer wall is provided with two seals circle, and fusiformis bar (24) outer wall of pilot seal head (39) top is to the reducing cylindricality formed that is connected by the up-thin-low-thick cone cylindrical axes of multistage.
9. casting and dragging free as claimed in claim 1 joins poly-device, it is characterized in that the upper end of described upper main body (21) is provided with plug screw (40) by screw thread, drag for bar (22) stage casing to slide axially and be arranged in plug screw (40), hypomere is positioned at main body (21), drag for hypomere that bar (22) is positioned at main body (21) be set be positioned at main body (21) drag for bar cover (41), the outer cover of dragging for bar cover (41) and dragging for bar (22) is equipped with the positioning sleeve (42) be arranged in main body (21), the upper surface of the interior land of positioning sleeve (42) lower end be stuck in from bottom to top drag for bar cover (41) lower end lower surface on restriction drag for bar cover (41) and move down, the outer land of positioning sleeve (42) upper end is stuck on the upper surface of main body (21) from the top down, be provided with in plug screw (40) and positioning sleeve (42) to be sleeved on to drag for bar (22) and drag for and bar cover (41) drags for bar reseting pressuring spring (43), the top, upper end of dragging for bar reseting pressuring spring (43) is pressed on plug screw (40) inner face, top, lower end is pressed in drags on the outer land upper surface of bar cover (41) lower end, that drags for bar (22) upper end drags for the square locating piece (44) being provided with between head and plug screw (40) upper surface and being stuck in and dragging between head and plug screw (40) upper surface, the side mouth of square locating piece (44) is sleeved on drags for bar (22) from dragging for bar (22) sidepiece, be arranged on by bearing pin (45) and drag on bar (22).
10. casting and dragging free as claimed in claim 1 joins poly-device, it is characterized in that described cam mechanism (23) is made up of cam (46), torsion spring and jointed shaft (47), cam (46) and torsion spring are positioned to drag for below bar (22) and are hinged in upper main body (21) radial through jointed shaft (47).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310061493.5A CN103089222B (en) | 2013-02-27 | 2013-02-27 | Polymer injection device free from dropping and fishing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310061493.5A CN103089222B (en) | 2013-02-27 | 2013-02-27 | Polymer injection device free from dropping and fishing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103089222A CN103089222A (en) | 2013-05-08 |
| CN103089222B true CN103089222B (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310061493.5A Active CN103089222B (en) | 2013-02-27 | 2013-02-27 | Polymer injection device free from dropping and fishing |
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| Country | Link |
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| CN (1) | CN103089222B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108019193B (en) * | 2016-11-02 | 2023-09-05 | 中国石油化工股份有限公司 | Hollow measuring and adjusting integrated polymer injection device |
| CN108179992A (en) * | 2016-12-08 | 2018-06-19 | 中国石油天然气股份有限公司 | One kind is adjusted throttling core and with poly- device |
| CN107060710A (en) * | 2017-03-15 | 2017-08-18 | 上海嘉地仪器有限公司 | Bridge-type matches somebody with somebody poly- device with one heart |
| CN114439416A (en) * | 2020-11-05 | 2022-05-06 | 中国石油化工股份有限公司 | Preset underground throttle |
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|---|---|---|---|---|
| US4510993A (en) * | 1982-03-25 | 1985-04-16 | Marathon Oil Company | Flow control apparatus and method |
| CN1598242A (en) * | 2004-07-28 | 2005-03-23 | 大庆油田有限责任公司 | Apparatus for controlling polymer molecular weight and flow of multiple-layer separate filling into with polymer displacement |
| CN2861479Y (en) * | 2005-11-24 | 2007-01-24 | 大庆油田有限责任公司 | Polymer eccentric injection allocator with shuttle bar |
| CN102536181A (en) * | 2012-02-10 | 2012-07-04 | 哈尔滨工业大学 | Adjustable eccentric injection allocation device for polymer injection well |
-
2013
- 2013-02-27 CN CN201310061493.5A patent/CN103089222B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4510993A (en) * | 1982-03-25 | 1985-04-16 | Marathon Oil Company | Flow control apparatus and method |
| CN1598242A (en) * | 2004-07-28 | 2005-03-23 | 大庆油田有限责任公司 | Apparatus for controlling polymer molecular weight and flow of multiple-layer separate filling into with polymer displacement |
| CN2861479Y (en) * | 2005-11-24 | 2007-01-24 | 大庆油田有限责任公司 | Polymer eccentric injection allocator with shuttle bar |
| CN102536181A (en) * | 2012-02-10 | 2012-07-04 | 哈尔滨工业大学 | Adjustable eccentric injection allocation device for polymer injection well |
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Effective date of registration: 20200731 Address after: 157000 Heilongjiang District, Mudanjiang City, Dongan Province East seven road Xin'an Street Woodworking Machinery Factory Patentee after: Mudanjiang Jinheng Petroleum Machinery Technology Co.,Ltd. Address before: 157000 No. 308 peony street, Xi'an District, Heilongjiang, Mudanjiang Patentee before: Ma Zhongyuan |
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