CN103590808B - A kind of thermal trace ejector - Google Patents
A kind of thermal trace ejector Download PDFInfo
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- CN103590808B CN103590808B CN201310510573.4A CN201310510573A CN103590808B CN 103590808 B CN103590808 B CN 103590808B CN 201310510573 A CN201310510573 A CN 201310510573A CN 103590808 B CN103590808 B CN 103590808B
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Abstract
The present invention provides a kind of thermal trace ejector, including top connection 1, shell 3, skeleton 2, motor 4, screw-nut assembly 5, lock release 6, push-pull device at fixed 8, center tap 7, spring 9, piston 11, heat insulation storehouse shell 10, heater 13, the gimbal lever 14, injector head 12, lower contact 15.Top connection 1 lower end is connected with shell 3, the internal fixing skeleton 2 of shell 3, is sequentially connected with center tap 7, heat insulation storehouse shell 10 and jet-sub 12 below shell 3, and lower contact 15 is connected to jet-sub 12 lower end.Be sequentially connected with below skeleton 2 motor 4, screw-nut assembly 5, lock release 6, connect push-pull device at fixed 8, push-pull device at fixed 8 axially across center tap 7 backward under be sequentially connected with piston 11, the gimbal lever 14.Have the advantage that 1, compact conformation；2, working service is convenient；3, the suitability is strong, effectively solves the problem that the tracer log certainty of measurement that causes because injecting time is long is low.
Description
Technical field
The present invention relates to logger field, the thermal trace ejector used in the tracer flow survey of a kind of oil field.
Background technology
Tracer flow survey has a wide range of applications in the middle of the production logging of oil field, operation principle is to spray in well by spike ejector by tracer, measure tracer within the unit interval along with the distance of liquid flowing in well, calculate the flow velocity of liquid, and then calculate flow.
Traditional spike ejector is made up of shell, skeleton, control circuit, reducing motor, screw-nut, push-rod piston etc..During work, the most manually load tracer on ground, under enter after in oil well, drive reducing motor to rotate by surface power supply, promote piston movement injection tracer, owing to piston movement is slower, tracer sprays in well slowly, it is impossible to quickly peak value is effectively measured in formation, causes certainty of measurement to decline.The most this kind of spike ejector uses radiosiotope as tracer, easily causes radioactive pollution, personnel and environment are had certain harm.
Summary of the invention
It is an object of the invention to the shortcoming for tradition spike ejector, propose a kind of novel thermal trace ejector, spray into that speed is slow and the problem that causes certainty of measurement to decline solving radioactive pollution and tracer in prior art.
The present invention completes by the following technical programs.
A kind of thermal trace ejector, including top connection 1, shell 3, skeleton 2, motor 4, screw-nut assembly 5, lock release 6, push-pull device at fixed 8, center tap 7, spring 9, piston 11, heat insulation storehouse shell 10, heater 13, the gimbal lever 14, injector head 12, lower contact 15.Top connection 1 lower end is connected with shell 3, the internal fixing skeleton 2 of shell 3, is sequentially connected with center tap 7, heat insulation storehouse shell 10 and jet-sub 12 below shell 3, and lower contact 15 is connected to jet-sub 12 lower end.Be sequentially connected with below skeleton 2 motor 4, screw-nut assembly 5, lock release 6, connect push-pull device at fixed 8, push-pull device at fixed 8 axially across center tap 7 backward under be sequentially connected with piston 11, the gimbal lever 14.Wherein: arrange spring 9 between piston 11 and center tap 7, spring 9 upper end and center tap 7 lower end are enclosed within push-pull device at fixed 8 bottom against, spring 9, spring 9 lower end and piston 11 upper end against.It is outside that heat insulation storehouse shell 10 is enclosed within piston 11, and heat insulation storehouse shell 10 is collectively forming, with piston 11 and jet-sub 12, the heat insulation storehouse 29 that a volume can change.Heater 13 is installed on the gimbal lever 14 top, and the gimbal lever 14 stretches into lower contact 15 axially across jet-sub 12 in bottom.Jet-sub 12 top is provided with the inlet hole 19 and squit hole 20 being in communication with the outside, and installs forward check valve 27 in inlet hole 19, installs reverse check valve 28 in squit hole 20.
Described lock release 6 includes lock release main body 21, locking steelball 22, stop collar 23, locking spring 24 and interior axle 25, wherein, lock release main body 21 is fixed on push-pull device at fixed 8 upper end, interior axle 25 upper end connects screw-nut assembly 5, it is internal that interior axle 25 is inserted in push-pull device at fixed 8, it is machined with one groove in the middle part of interior axle 25, push-pull device at fixed 8 top is machined with hole, location, locking steelball 22 and the groove on interior axle 25 and hole, the location lock fit on push-pull device at fixed 8, stop collar set 23 and locking spring 24 are outside push-pull device at fixed 8 and locking steelball 22, limit the motion of locking steelball 22.
Such scheme also includes:
Lower contact 15 and the balance bunker 30 of jet-sub 12 composition, the gimbal lever 14 stretches in balance bunker 30 axially across after jet-sub 12 bottom.Balance bunker is used for eliminating the active force to push-pull device at fixed of the pressure outside instrument.
The electronic circuit board 17 of control circuit sets on skeleton 2 in the enclosure, and the power line of heater 13 introduces on electronic circuit board 17 by heater single plug 26, and heater single plug 26 is arranged on piston 11.
Jet-sub 12 top is provided with inlet hole 19 and squit hole 20 is 2-5.
Top connection 1 is internal is provided with single-core plug 16, and lower contact 15 is internal is provided with single socket 18.
Described motor 4 is high temperature DC speed-reducing, to tackle the severe complex environment in down-hole.
Described heater is electric heater, and the electric current certain by supply produces heat well liquid.
The present invention is directed to conventional art use radiosiotope as tracer, the problem causing personnel and environmental nuisance, change the original well liquid in use well into as tracer, by the way of sucking a certain amount of well liquid and heating, make, as this partially liq of tracer, there is different temperature, reach to measure the purpose of flow by measuring the flowing of the abnormal liquid of this portion temperature.It is simultaneous for jet velocity in conventional art and causes the problem that certainty of measurement declines slowly, by improving mechanically and electrically road control design case, reach slowly to suck tracer, quickly spray the purpose of tracer.
This thermal trace ejector operation principle is: electronic circuit controls reducing motor and rotates forward, (now locking device enters lock-out state to sucking when direction (the most upwards) is moved to drive piston by ball-screw screw assembly, locking device and push-pull device at fixed, locking push-pull device at fixed), closed check valve in squit hole, check valve in inlet hole is opened, well liquid is inhaled between piston, heat insulation storehouse shell, jet-sub the heat insulation storehouse formed, piston compression spring energy storage simultaneously；When sucking a certain amount of tracer (well liquid replacement), when now spring reaches predetermined compressive state simultaneously, electronic circuit controls reducing motor and stops operating, start heater to heat, after the heating of certain time, electronic circuit again controls reducing motor and rotates forward, lock release enters release conditions, release push-pull device at fixed, now piston is mobile to emission direction (the most downward) rapidly under the effect of spring-return elastic force, inlet hole closed check valve in injector head, the reverse check valve of squit hole is opened, heated well liquid tracer i.e. moment sprays rapidly from squit hole, the reducing motor of electronic circuit control simultaneously stops rotating forward, change into rotating backward, until lock release is again introduced into lock-out state, locking push-pull device at fixed, complete a working cycle.
The thermal trace ejector of the present invention draws a certain amount of well when working in, liquid heats as tracer, stops the radiation hazradial bundle of radioactive tracer flow rate log, uses quick injection apparatus injection tracer to improve certainty of measurement simultaneously.Have the advantage that 1 compared with prior art, compact conformation；2, working service is convenient；3, the suitability is strong, effectively solves the problem that the tracer log certainty of measurement that causes because injecting time is long is low.
Accompanying drawing explanation
Fig. 1 be a kind of exemplary embodiments of the present invention structural representation；
Fig. 2 is the A portion enlarged drawing in Fig. 1；
Fig. 3 is the B portion enlarged drawing in Fig. 1；
Fig. 4 is the C portion enlarged drawing in Fig. 3；
Fig. 5 is the D portion enlarged drawing in Fig. 3.
In figure: 1, top connection, 2, skeleton, 3, shell, 4, reducing motor, 5, screw-nut assembly, 6, lock release, 7, center tap, 8, push-pull device at fixed, 9, spring, 10, heat insulation storehouse shell, 11, piston, 12, jet-sub, 13, heater, 14, the gimbal lever, 15, lower contact, 16, single-core plug, 17, electronic circuit board (control circuit), 18, single socket, 19, inlet hole, 20, squit hole, 21, lock release main body, 22, locking steelball, 23, stop collar, 24, locking spring, 25, interior axle, 26, heater single plug, 27, forward check valve, 28, reversely check valve, 29, heat insulation storehouse, 30, balance bunker.
Detailed description of the invention
With specific embodiment, technical solution of the present invention is described in detail below in conjunction with the accompanying drawings.
Seeing Fig. 1, a kind of thermal trace ejector, top connection 1 upper end is processed as the connection public affairs screw thread that 43mm production logging instrument is general, and for connecting other logger, top connection 1 lower end is connected with shell 3 by screw thread.The internal fixing skeleton 2 of shell 3, shell 3 lower end is connected with center tap 7 by screw thread.Skeleton 3 lower end connects reducing motor 4.Reducing motor 4 lower end connects screw-nut assembly 5.Screw-nut assembly 5 lower end connects lock release 6.Lock release 6 lower end connects push-pull device at fixed 8.Push-pull device at fixed 8 connects piston 11 through center tap 7.Placing spring 9 between piston 11 and center tap 7, spring 9 upper end and center tap 7 lower end are enclosed within push-pull device at fixed 6 bottom against, spring 9, spring 9 lower end and piston 11 upper end against.Center tap 7 is connected with heat insulation storehouse shell 10 by screw thread.It is outside that heat insulation storehouse shell 10 is enclosed within piston 11, and shell 10 lower end, heat insulation storehouse is connected with jet-sub 12 by screw thread, and heat insulation storehouse shell 10 is collectively forming, with piston 11 and jet-sub 12, the heat insulation storehouse 29 that a volume can change.Piston 11 lower end is connected with the gimbal lever 14, and heater 13 is installed on the gimbal lever 14 top, and balance bunker 30 is stretched into through jet-sub 12 in the gimbal lever 14 bottom.Jet-sub 12 lower end is connected with lower contact 15 by screw thread, and with the cavity formation balance bunker 30 on lower contact 15 top.Institute's lower contact 15 top one cavity of processing is as balance bunker 30, and lower contact 15 lower end is processed as connection mother's screw thread that 43mm production logging instrument is general, for connecting other logger.
Seeing Fig. 2, the internally installed general single-core plug 16 of top connection 1, as electrical connection passage.Electronic circuit board 17 is fixed on skeleton 2 top.Skeleton 2 lower end connects reducing motor 4, and reducing motor 4 lower end connects screw-nut assembly 5.
Seeing Fig. 3, jet-sub 12 top is provided with the inlet hole 19 and squit hole 20 being in communication with the outside, the internally installed general single socket 18 of lower contact 15, as electrical connection passage.
Seeing Fig. 4, lock release 6 can be analyzed to lock release main body 21, locking steelball 22, stop collar 23, locking spring 24, interior axle more than 25 part.Lock release main body 21 is fixed on push-pull device at fixed 8 upper end, and interior axle 25 upper end connects screw-nut assembly 5, and it is internal that interior axle 25 is inserted in push-pull device at fixed 8.Being machined with one groove in the middle part of interior axle 25, push-pull device at fixed 8 top is machined with hole, a location, and when the groove on interior axle 25 overlaps with the hole, location on push-pull device at fixed 8, interior axle 25 and push-pull device at fixed 8 are linked together by locking steelball 22.Stop collar 23 overlaps and locks spring 24 outside push-pull device at fixed 8 and locking steelball 22, limits the motion of locking steelball 22.When screw-nut assembly 5 runs to the position of top dead centre under the promotion of reducing motor 3, stop collar 23 moves downward, compression locking spring 24, and the restriction of the steel ball 22 that unlocks, locking steelball 22 ejects from the groove of interior axle 25, push-pull device at fixed 8 loses locking, drives piston 11 mobile to emission direction (the most downward) rapidly, form injection under the promotion of spring 9.When screw-nut assembly 5 runs to the position of top dead centre, the groove of interior axle 25 and the hole, location of push-pull device at fixed 8 overlap again, stop collar 23 moves upward under the effect that elastic force upheld by locking spring 24, and interior axle 25 and push-pull device at fixed 8 are linked together by locking steelball 22 again, carries out suction and prepares.
Seeing Fig. 5, piston 11 lower end connects the gimbal lever 14, and heater 13 is installed on the gimbal lever 14 top, and heater single plug 26 is arranged on piston 11, and the power line of heater 13 is introduced on the electronic circuit of instrument internal by heater single plug 26.Jet-sub 12 top is provided with three inlet holes 19 and three squit holes 20 being in communication with the outside, and installs forward check valve 27 in inlet hole 19, installs reverse check valve 28 in squit hole 20.
Reference above-described embodiment also combines technical scheme, and the embodiment that can also derive more reduction procedure and prioritization scheme for those skilled in the art will not enumerate here.
Claims (5)
1. a thermal trace ejector, including top connection, shell, skeleton, control circuit, motor, screw-nut, push-pull device at fixed, piston and lower contact, it is characterized in that: top connection (1) lower end is connected with shell (3), the internal fixing skeleton (2) of shell (3), shell (3) lower section is sequentially connected with center tap (7), heat insulation storehouse shell (10) and jet-sub (12), and lower contact (15) is connected to jet-sub (12) lower end；Skeleton (2) lower section be sequentially connected with motor (4), screw-nut assembly (5), lock release (6), connect push-pull device at fixed (8), push-pull device at fixed (8) axially across center tap (7) backward under be sequentially connected with piston (11), the gimbal lever (14)；nullWherein，Spring (9) is set between piston (11) and center tap (7)，Spring (9) upper end and center tap (7) lower end against，Spring (9) is enclosed within push-pull device at fixed (8) bottom，Spring (9) lower end and piston (11) upper end against，It is outside that heat insulation storehouse shell (10) is enclosed within piston (11)，Heat insulation storehouse shell (10) is collectively forming, with piston (11) and jet-sub (12), the heat insulation storehouse (29) that a volume can change，Heater (13) is installed on the gimbal lever (14) top，Lower contact (15) is stretched into axially across jet-sub (12) in the gimbal lever (14) bottom，Jet-sub (12) top is provided with the inlet hole (19) and squit hole (20) being in communication with the outside，Forward check valve (27) is installed in inlet hole (19)，Reverse check valve (28) is installed in squit hole (20)；
Described lock release (6) includes lock release main body (21), locking steelball (22), stop collar (23), locking spring (24) and interior axle (25), wherein, lock release main body (21) is fixed on push-pull device at fixed (8) upper end, interior axle (25) upper end connects screw-nut assembly (5), it is internal that interior axle (25) is inserted in push-pull device at fixed (8), interior axle (25) middle part is machined with one groove, push-pull device at fixed (8) top is machined with hole, location, locking steelball (22) and the groove on interior axle (25) and hole, the location lock fit on push-pull device at fixed (8), stop collar (23) and locking spring (24) are outside at push-pull device at fixed (8) and locking steelball (22), limit the motion of locking steelball (22).
Thermal trace ejector the most according to claim 1, it is characterized in that: the balance bunker (30) that lower contact (15) and jet-sub (12) form, the gimbal lever (14) bottom is axially across stretching into after jet-sub (12) in balance bunker (30).
Thermal trace ejector the most according to claim 2, it is characterized in that: the electronic circuit board (17) of control circuit sets on skeleton (2) in the enclosure, the power line of heater (13) is introduced on electronic circuit board (17) by heater single plug (26), and heater single plug (26) is arranged on piston (11).
Thermal trace ejector the most according to claim 3, is characterized in that: jet-sub (12) top is provided with inlet hole (19) and squit hole (20) is 2-5.
Thermal trace ejector the most according to claim 4, is characterized in that: top connection (1) is internal is provided with single-core plug (16), and lower contact (15) is internal is provided with single socket (18)；Described motor (4) is high temperature DC speed-reducing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310510573.4A CN103590808B (en) | 2013-10-26 | 2013-10-26 | A kind of thermal trace ejector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310510573.4A CN103590808B (en) | 2013-10-26 | 2013-10-26 | A kind of thermal trace ejector |
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| Publication Number | Publication Date |
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| CN103590808A CN103590808A (en) | 2014-02-19 |
| CN103590808B true CN103590808B (en) | 2016-11-16 |
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| CN201310510573.4A Active CN103590808B (en) | 2013-10-26 | 2013-10-26 | A kind of thermal trace ejector |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481516A (en) * | 2014-11-26 | 2015-04-01 | 杭州泛太石油设备科技有限公司 | Continuous tracer logging method and logger thereof |
| CN113863881A (en) * | 2021-10-25 | 2021-12-31 | 杭州瑞利声电技术有限公司 | An automatic retractable logging tool pushing device |
Citations (5)
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|---|---|---|---|---|
| US5265477A (en) * | 1991-06-20 | 1993-11-30 | Inferrera Jeffrey J | Detection device for detecting the flow and direction of ground water |
| CN201386556Y (en) * | 2009-04-14 | 2010-01-20 | 杨庆 | Heat trace flowmeter |
| CN103321636A (en) * | 2013-07-11 | 2013-09-25 | 中国石油天然气股份有限公司 | Non-radioactive tracing flow logging method and flow based on pulse neutron technology |
| CN203239318U (en) * | 2013-03-01 | 2013-10-16 | 中国石油天然气股份有限公司 | Oil-water two-phase flow measuring system of horizontal well |
| CN203640714U (en) * | 2013-10-26 | 2014-06-11 | 中国石油化工集团公司 | Heat tracing ejector |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7654318B2 (en) * | 2006-06-19 | 2010-02-02 | Schlumberger Technology Corporation | Fluid diversion measurement methods and systems |
| GB2480881B (en) * | 2010-06-04 | 2012-10-24 | Servomex Group Ltd | Thermal fluid flow apparatus |
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2013
- 2013-10-26 CN CN201310510573.4A patent/CN103590808B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5265477A (en) * | 1991-06-20 | 1993-11-30 | Inferrera Jeffrey J | Detection device for detecting the flow and direction of ground water |
| CN201386556Y (en) * | 2009-04-14 | 2010-01-20 | 杨庆 | Heat trace flowmeter |
| CN203239318U (en) * | 2013-03-01 | 2013-10-16 | 中国石油天然气股份有限公司 | Oil-water two-phase flow measuring system of horizontal well |
| CN103321636A (en) * | 2013-07-11 | 2013-09-25 | 中国石油天然气股份有限公司 | Non-radioactive tracing flow logging method and flow based on pulse neutron technology |
| CN203640714U (en) * | 2013-10-26 | 2014-06-11 | 中国石油化工集团公司 | Heat tracing ejector |
Non-Patent Citations (1)
| Title |
|---|
| 水平井热示踪相关流量测量方法研究;赵娜等;《石油仪器》;20110430;第25卷(第2期);57-59 * |
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