CN203383814U - Micro type Ba-137m releaser used for double-tracer flow well logging - Google Patents
Micro type Ba-137m releaser used for double-tracer flow well logging Download PDFInfo
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- CN203383814U CN203383814U CN201320482275.4U CN201320482275U CN203383814U CN 203383814 U CN203383814 U CN 203383814U CN 201320482275 U CN201320482275 U CN 201320482275U CN 203383814 U CN203383814 U CN 203383814U
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- liquid
- injection hole
- release
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- piston
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Abstract
The utility model discloses a micro type Ba-137m releaser used for double-tracer flow well logging and belongs to the field of oil field production well dynamic monitoring technologies. A first single-core socket is arranged inside an upper connector of a liquid releaser. Threads are arranged at the upper end and the lower end of the upper connector respectively. A liquid jet hole is formed in the radial direction, the inner end of the liquid jet hole is connected with a liquid source bin, and an injection hole is formed in the other side in the opposite direction of the liquid jet hole. A screw cap is arranged at the outer side end of the injection hole and connected with the liquid source bin through a channel, a liquid tracer agent Ba-137m is filled into the injection hole and the channel, the screw cap seals the injection hole, a piston is arranged in the liquid source bin, a piston rod is arranged in the middle of the piston and connected with a lead screw transmission device through a middle connector, and 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 behind the motor, and the rear end of the liquid releaser is an inner connector with external threads.
Description
Technical field
The utility model relates to miniature Ba-137m release for a kind of pair of tracer flow survey, belongs to oilfield producing well Dynamic Monitoring field.
Background technology
At present, injection profile logging technology 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, be greater than water when more when oil, internal surface of sleeve pipe have greasy dirt or radioactive grain proportion, can cause the serious pickup of oil, casing wall and box cupling instrument, affect measurement accuracy; Macropore-when the stratum preforation tunnel is large or formation pore while being greater than radioactive grain, it is darker that it enters 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, during low discharge, can't test.In the face of injection rate is low, the multi-section multi-layer injection allocation, the perforation layer is vertically intensive while 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 utility model provides miniature Ba-137m release for a kind of pair of tracer flow survey, and this pair of tracer flow survey effectively solved former " liquid release " with miniature Ba-137m release and Ba131 be housed human body is had than major injury and the less problem of contained capacity.
The utility model solves the technical scheme that its technical problem adopts: 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 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 after motor, liquid release rear end is with externally threaded spigot, be provided with single-core plug in spigot, high temperature wire on single core socket is connected on circuit board through the hollow tube of piston rod, circuit board connects single-core plug by wire, single core socket on single-core plug grafting the spread of the rumours four parameter receivers.
The beneficial effects of the utility model are: two tracer flow surveies are with in miniature Ba-137m release, adding Ba-137m, its use has reduced the harm of radioactivity to human body, further improved certainty of measurement, the improvement of structure efficiently solves the test problem that contained capacity is low.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is two spike thin layer identifier overall construction drawings.
Fig. 2 is the two miniature Ba-137m release structure charts for tracer flow survey of the utility model.
In 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 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 after motor 17, liquid release rear end is with externally threaded spigot 19, be provided with single-core plug 20 in spigot 19, high temperature wire on single core socket 9 is connected on circuit board 18 through the hollow tube of piston rod 14, circuit board 18 connects single-core plug 20 by wire, single core socket on single-core plug 20 grafting the spread of the rumours four parameter receivers 3.
Supply voltage on cable is+during 35V-40V, temperature, pressure, magnetic are located three road signals and are sent in signal processing and coding circuit with gamma, flow signal after eight select a switch to enter the A/D change-over circuit simultaneously, the graceful code of formation standard, upload to cable after driving with drive circuit is synthetic by graceful code is synthetic.On cable during reach+45V of supply voltage, power supply and holding circuit work, at this moment telemetric circuit enters guard mode, continue to improve supply voltage on cable be+during 60V, solid release control circuit is started working, release solid radioactivity carrier; On cable, during power supply-50V, liquid release control circuit is started working, the releasing liquid tracer.
Claims (1)
1. two miniature Ba-137m release for tracer flow survey, 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 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) after motor (17), liquid release rear end is with externally threaded spigot (19), be provided with single-core plug (20) in spigot (19), high temperature wire on single core socket (9) is connected on circuit board (18) through the hollow tube of piston rod (14), circuit board (18) connects single-core plug (20) by wire, single core socket on single-core plug (20) grafting the spread of the rumours four parameter receivers (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320482275.4U CN203383814U (en) | 2013-08-08 | 2013-08-08 | Micro type Ba-137m releaser used for double-tracer flow well logging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320482275.4U CN203383814U (en) | 2013-08-08 | 2013-08-08 | Micro type Ba-137m releaser used for double-tracer flow well logging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203383814U true CN203383814U (en) | 2014-01-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320482275.4U Expired - Lifetime CN203383814U (en) | 2013-08-08 | 2013-08-08 | Micro type Ba-137m releaser used for double-tracer flow well logging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203383814U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362498A (en) * | 2013-08-08 | 2013-10-23 | 焦春红 | Miniature Ba-137m releaser for dual-tracer flow well logging |
| CN103993874A (en) * | 2014-04-21 | 2014-08-20 | 蒋瑜 | Impact type isotope releaser |
| CN113863881A (en) * | 2021-10-25 | 2021-12-31 | 杭州瑞利声电技术有限公司 | Logging instrument pushing device capable of being automatically folded |
-
2013
- 2013-08-08 CN CN201320482275.4U patent/CN203383814U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362498A (en) * | 2013-08-08 | 2013-10-23 | 焦春红 | Miniature Ba-137m releaser for dual-tracer flow well logging |
| 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 |
| CN113863881A (en) * | 2021-10-25 | 2021-12-31 | 杭州瑞利声电技术有限公司 | Logging instrument pushing device capable of being automatically folded |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140108 |
|
| CX01 | Expiry of patent term |