CN103362498A - Miniature Ba-137m releaser for dual-tracer flow well logging - Google Patents
Miniature Ba-137m releaser for dual-tracer flow well logging Download PDFInfo
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- CN103362498A CN103362498A CN2013103429122A CN201310342912A CN103362498A CN 103362498 A CN103362498 A CN 103362498A CN 2013103429122 A CN2013103429122 A CN 2013103429122A CN 201310342912 A CN201310342912 A CN 201310342912A CN 103362498 A CN103362498 A CN 103362498A
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Abstract
The invention discloses a miniature Ba-137m releaser for dual-tracer flow well logging and belongs to the technical field of oil field production well dynamic monitoring. A first single core socket is arranged in an upper connector of a liquid releaser, the upper end of the upper connector and the lower end of the upper connector are respectively provided with threads, a liquid spraying hole is formed in the upper connector in the radial direction of the upper connector, a liquid source cabin is connected to the inner end of the liquid spraying hole, an injection hole is formed in the side, opposite to the liquid spraying hole, of the upper connector, a spiral cover is arranged at the outer side end of the injection hole, the injection hole is connected with the liquid source cabin through a channel, liquid tracer agents Ba-137m are filled in the injection hole and the channel, the spiral cover seals the injection hole, a piston is arranged inside the liquid source cabin, a piston rod is arranged in the middle of the piston, the piston rod is connected with a lead screw transmission device through a middle connector, the lead screw transmission device is connected with a motor, the motor is fixed on an outer shell of the liquid releaser, a circuit board is arranged at the back of the motor, and the rear end of the liquid releaser is provided with an inner connector with outer threads.
Description
Technical field
The present invention relates to a kind of pair of tracer flow survey with miniature Ba-137m release, belong to oilfield producing well Dynamic Monitoring field.
Background technology
At present, the injection profile logging technology that is used for dynamic monitoring mainly contains the tracer log of radioactivity support methods, impulse neutron oxygen activation logging, some survey related logging and continuous spike related logging, these single logging techniquies have obtained better effects in some aspects, but the problem that also exists some to overcome, for example: stain, namely when oil, internal surface of sleeve pipe have greasy dirt or radioactive grain proportion more greater than water, can cause the serious pickup of oil, casing wall and box cupling instrument, affect measurement accuracy; Large or the formation pore of macropore-when the stratum preforation tunnel is during greater than radioactive grain, and it is darker that it enters the stratum, exceeds gamma instrument investigative range, causes error of measured data serious; Measurement lower limit is high-and the radioactive half-life of activation oxygen is 6.73 seconds.NEUTRON EMISSION can't be surveyed by its radioactivity amplitude of 3-4 half-life, can't test during low discharge.In the face of injection rate is low, the multi-section multi-layer injection allocation, the perforation layer is vertically intensive when being the test of the little such problem wells of interlamellar spacing, and single logging technique has shown larger inadaptable.Patent of invention " the two spike thin layer identifier " application number that I have applied for is: 201210442600.4, done larger improvement with regard to technical problem wherein, but " liquid release " former Ba131 of being equipped with wherein has than major injury human body, and contained capacity is lower.
Summary of the invention
In order to overcome above-mentioned technical deficiency, the invention provides a kind of pair of tracer flow survey with miniature Ba-137m release, this pair tracer flow survey has effectively solved former " liquid release " with miniature Ba-137m release and Ba131 has been housed human body is had than major injury and the less problem of contained capacity.
The technical solution adopted for the present invention to solve the technical problems is: the top connection inside of liquid release is provided with single core socket, the top connection upper and lower side is respectively equipped with screw thread, it radially is provided with liquid jet hole, the inner connecting fluid body source storehouse of liquid jet hole, the subtend opposite side of liquid jet hole is provided with injection hole, the injection hole outboard end is provided with screw lid, injection hole is connected by passage with the fluid supply storehouse, injection hole and the passage liquid tracer Ba-137m that packs into, screw lid seals injection hole, fluid supply is provided with piston in the storehouse, the centre of piston is provided with piston rod, piston rod is by transition joint connection wire rod transmission device, lead screw gear connects motor, motor is fixed on the shell of liquid release, be provided with circuit board behind the motor, liquid release rear end is with externally threaded spigot, be provided with single-core plug in the spigot, high temperature wire on single core socket is connected on the circuit board through the hollow tube of piston rod, circuit board connects single-core plug by wire, the single core socket on single-core plug grafting the spread of the rumours four parameter receivers.
The invention has the beneficial effects as follows: two tracer flow surveies are with adding Ba-137m in the miniature Ba-137m release, its use has reduced the harm of radioactivity to human body, further improved certainty of measurement, the improvement of structure efficiently solves the low test problem of contained capacity.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is two spike thin layer identifier overall construction drawings.
Fig. 2 is the two tracer flow surveies of the present invention with miniature Ba-137m release structure chart.
Among the figure 1, single-core cable, 2, the liquid release, 3, the spread of the rumours four parameter receivers, 4, single gamma instrument, 5, upper centralizer, 6, ultrasonic flow instrument, 7, lower centralizer, 8, the solid release, 9, single core socket, 10, top connection, 11, liquid jet hole, 12, the fluid supply storehouse, 13, piston, 14, piston rod, 15, transition joint, 16, spindle gear, 17, motor, 18, circuit board, 19, spigot, 20, single-core plug, 21, screw lid, 22, injection hole, 23, passage.
The specific embodiment
As shown in Figure 1, two spike thin layer identifiers comprise liquid release, the spread of the rumours four parameter receivers, single gamma instrument, upper centralizer, ultrasonic flow instrument, lower centralizer, solid release, are linked in sequence.
As shown in Figure 2, the concrete structure of liquid release 2: top connection 10 inside of liquid release 2 are provided with single core socket 9, top connection 10 upper and lower sides are respectively equipped with screw thread, it radially is provided with liquid jet hole 11, the inner connecting fluid body source storehouse 12 of liquid jet hole 11, the subtend opposite side of liquid jet hole 11 is provided with injection hole 22, injection hole 22 outboard ends are provided with screw lid 21, injection hole 22 is connected by passage 23 with fluid supply storehouse 12, injection hole 22 and the passage 23 liquid tracer Ba-137m that packs into, screw lid 21 seals injection hole 23, be provided with piston 13 in the fluid supply storehouse 11, the centre of piston 13 is provided with piston rod 14, piston rod 14 is by transition joint 15 connection wire rod transmission devices 16, lead screw gear 16 connects motor 17, motor 17 is fixed on the shell of liquid release, be provided with circuit board 18 behind the motor 17, liquid release rear end is with externally threaded spigot 19, be provided with single-core plug 20 in the spigot 19, high temperature wire on single core socket 9 is connected on the circuit board 18 through the hollow tube of piston rod 14, circuit board 18 connects single-core plug 20, the single core socket on single-core plug 20 grafting the spread of the rumours four parameter receivers 3 by wire.
When the supply voltage on the cable be+during 35V-40V, temperature, pressure, magnetic are located three road signals and are sent into simultaneously in signal processing and the coding circuit with gamma, flow signal after eight select a switch to enter the A/D change-over circuit, the graceful code of formation standard uploads to cable after driving with drive circuit is synthetic by graceful code is synthetic.When supply voltage on the cable reach+during 45V, power supply and holding circuit work, at this moment telemetric circuit enters guard mode, continues to improve that supply voltage be on the cable+during 60V, solid release control circuit is started working, release solid radioactivity carrier; When on the cable during power supply-50V, liquid release control circuit is started working, the releasing liquid tracer.
Claims (1)
1. two tracer flow surveies are with miniature Ba-137m release, two spike thin layer identifiers comprise the liquid release, the spread of the rumours four parameter receivers, single gamma instrument, upper centralizer, ultrasonic flow instrument, lower centralizer, the solid release, be linked in sequence, it is characterized in that: top connection (10) inside of described liquid release (2) is provided with single core socket (9), top connection (10) upper and lower side is respectively equipped with screw thread, it radially is provided with liquid jet hole (11), the inner connecting fluid body source storehouse (12) of liquid jet hole (11), the subtend opposite side of liquid jet hole (11) is provided with injection hole (22), injection hole (22) outboard end is provided with screw lid (21), injection hole (22) is connected by passage (23) with fluid supply storehouse (12), injection hole (22) and passage (23) the liquid tracer Ba-137m that packs into, screw lid (21) seals injection hole (23), be provided with piston (13) in the fluid supply storehouse (11), the centre of piston (13) is provided with piston rod (14), piston rod (14) is by transition joint (15) connection wire rod transmission device (16), lead screw gear (16) connects motor (17), motor (17) is fixed on the shell of liquid release, be provided with circuit board (18) behind the motor (17), liquid release rear end is with externally threaded spigot (19), be provided with single-core plug (20) in the spigot (19), high temperature wire on single core socket (9) is connected on the circuit board (18) through the hollow tube of piston rod (14), circuit board (18) connects single-core plug (20), the single core socket on single-core plug (20) grafting the spread of the rumours four parameter receivers (3) by wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103429122A CN103362498A (en) | 2013-08-08 | 2013-08-08 | Miniature Ba-137m releaser for dual-tracer flow well logging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103429122A CN103362498A (en) | 2013-08-08 | 2013-08-08 | Miniature Ba-137m releaser for dual-tracer flow well logging |
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| CN103362498A true CN103362498A (en) | 2013-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013103429122A Pending CN103362498A (en) | 2013-08-08 | 2013-08-08 | Miniature Ba-137m releaser for dual-tracer flow well logging |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993874A (en) * | 2014-04-21 | 2014-08-20 | 蒋瑜 | Impact type isotope releaser |
| 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 |
| CN105672990A (en) * | 2016-01-27 | 2016-06-15 | 杭州川耐机电设备有限公司 | Liquid tracing device with metering function |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2148175Y (en) * | 1993-03-10 | 1993-12-01 | 华北石油管理局测井公司 | Electric isotope releasing device |
| CN2161722Y (en) * | 1993-08-24 | 1994-04-13 | 大庆石油管理局第一采油厂 | Isotope releasing device for survey of borehole or well |
| WO2006047478A2 (en) * | 2004-10-22 | 2006-05-04 | Core Laboratories, L.P. | Method for determining tracer concentration in oil and gas production fluids |
| CN201003399Y (en) * | 2006-12-10 | 2008-01-09 | 佟广新 | Double compensation injection profile logging device |
| CN102900427A (en) * | 2012-11-08 | 2013-01-30 | 焦春红 | Double-tracing thin layer recognizer |
| CN203383814U (en) * | 2013-08-08 | 2014-01-08 | 焦春红 | Micro type Ba-137m releaser used for double-tracer flow well logging |
-
2013
- 2013-08-08 CN CN2013103429122A patent/CN103362498A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2148175Y (en) * | 1993-03-10 | 1993-12-01 | 华北石油管理局测井公司 | Electric isotope releasing device |
| CN2161722Y (en) * | 1993-08-24 | 1994-04-13 | 大庆石油管理局第一采油厂 | Isotope releasing device for survey of borehole or well |
| WO2006047478A2 (en) * | 2004-10-22 | 2006-05-04 | Core Laboratories, L.P. | Method for determining tracer concentration in oil and gas production fluids |
| CN201003399Y (en) * | 2006-12-10 | 2008-01-09 | 佟广新 | Double compensation injection profile logging device |
| CN102900427A (en) * | 2012-11-08 | 2013-01-30 | 焦春红 | Double-tracing thin layer recognizer |
| CN203383814U (en) * | 2013-08-08 | 2014-01-08 | 焦春红 | Micro type Ba-137m releaser used for double-tracer flow well logging |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993874A (en) * | 2014-04-21 | 2014-08-20 | 蒋瑜 | Impact type isotope releaser |
| CN103993874B (en) * | 2014-04-21 | 2016-04-27 | 蒋瑜 | Impact type isotope releaser |
| 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 |
| CN105672990A (en) * | 2016-01-27 | 2016-06-15 | 杭州川耐机电设备有限公司 | Liquid tracing device with metering function |
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Application publication date: 20131023 |