CN201407029Y - Direct reading packer float flow logger - Google Patents
Direct reading packer float flow logger Download PDFInfo
- Publication number
- CN201407029Y CN201407029Y CN2009200324448U CN200920032444U CN201407029Y CN 201407029 Y CN201407029 Y CN 201407029Y CN 2009200324448 U CN2009200324448 U CN 2009200324448U CN 200920032444 U CN200920032444 U CN 200920032444U CN 201407029 Y CN201407029 Y CN 201407029Y
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- Prior art keywords
- float
- collecting umbrella
- current collecting
- flow
- core bar
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- Expired - Lifetime
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Abstract
The utility model relates to a direct reading packer float flow logger which comprises an upper protecting pipe, a float core bar, a flow water outlet pipe, a float spring, a flow water outlet pipe, acollecting umbrella, an overline pipe, a lower protecting pipe and a protecting cover which are connected through thread in sequence in a sealing way; wherein a collecting umbrella head is also arranged between the collecting umbrella and the overline pipe, a signal plate frame is arranged in the upper protecting pipe, a flow signal processing circuit device is arranged on the signal plate frame,and a ball screw assembly, a driving motor, a motor control circuit and a travel switch are arranged in the lower protecting pipe; the ball screw assembly is connected with the collecting umbrella tocontrol the opening and the closing of the collecting umbrella, the float core bar is connected with the float spring and also connected with a non-contact displacement sensor; the float spring enables the float core bar to realize extrusion and resetting under stress. The direct reading packer float flow logger has the advantages of small volume, good linearity and high sensitivity, thereby being suitable for the accurate flow measurement of various oil well production fluids.
Description
Technical field
The utility model relates to a kind of flow rate log instrument, and especially a kind of output flow that is used for each layer of produced liquid in oil well carries out continuous metering and the direct-reading afflux float traffic logger of real time measure data is provided.
Background technology
In the oil extraction process,, understand the variation of hydrocarbon stratum content and earth formation for the crude oil of determining each oil well, the output of natural gas, need be to the output flow of each layer in the produced liquid in oil well, carry out continuous metering and the real time measure data are provided,, improve recovery ratio with the optimization production parameter.Yet, at present in the production logging production profile logging, flow is mainly measured with turbine flowmeter, but turbine flowmeter exists startup discharge capacity height, has rotational parts, measures defectives such as the influence, installation and the repair quality that are subjected to viscosity and Sha Ka are subjected to that human factor influences, and then powerless than low discharge for measuring.And suspended body flowmeter can overcome the influence that payzone goes out husky and dielectric viscosity preferably, and suspended body flowmeter also has very big advantage on measure tiny flow quantity.
Summary of the invention
The utility model provides a kind of direct-reading afflux float traffic logger, can use with going out in the husky serious oil well at the higher medium of viscosity, and can accurately simply measure fluid flow.
Technical solution of the present utility model is:
A kind of direct-reading afflux float traffic logger, comprise last pillar 1, float core bar 5, flow outlet pipe 6, float spring 7, flow water inlet pipe 8, current collecting umbrella 9, wire-passing tube 11, following pillar 12 and the helmet 17 of thread seal connection successively, also be provided with current collecting umbrella head 10 between described current collecting umbrella 9 and the wire-passing tube 11;
Described going up in the pillar 1 is provided with signal plate skeleton 3, and described signal plate skeleton 3 is provided with flow signal processing circuit unit 2;
Be provided with ball-screw assembly 14, drive motors 15, circuit for controlling motor 16 and travel switch 13 in the pillar 12 under described, this ball-screw assembly 14 is connected with current collecting umbrella 9, with opening with closed of control current collecting umbrella 9;
Its special character is: described float core bar 5 is connected with float spring 7, and described float core bar 5 also is connected with a non-contact displacement transducer; Described float spring 7 makes the 5 stressed extruding of realization of float core bar and resets.
Above-mentioned non-contact displacement transducer is a solenoid coil formula self-induction sensor 4.
Above-mentioned current collecting umbrella 9 is the metal current collecting umbrella.
The utlity model has following advantage:
1, the non-contact displacement transducer of Cai Yonging, it is little to have a volume, characteristics such as good linearity, sensitivity height.
2, non-contact displacement transducer is because contactless, nothing wearing and tearing have improved the reliability of instrument and the application life of certainty of measurement and sensor greatly.
3, measurement category is wide, stable performance, and the precision height has adopted the flow meter of float-type to carry out flow measurement, and its measurement is subjected to the influence of Sha Ka and heavy oil little.When needs are measured the flow of different range, only need to change different float springs.
4, highly versatile adopts the general graceful sign indicating number coded system transmission data of logger, can connect with compatible ground system, highly versatile, need also can logging instrument and Other Instruments be connected, carry out other logging tasks with special-purpose decoding logging system according to logging tasks.
Description of drawings
Fig. 1 is a structural representation of the present utility model:
The drawing reference numeral explanation:
The last pillar of 1-, 2-flow signal processing circuit unit, 3-signal plate skeleton, 4-solenoid coil formula self-induction sensor, 5-float core bar, 6-flow outlet pipe, 7-float spring, 8-flow water inlet pipe, 9-current collecting umbrella, 10-current collecting umbrella head, 11-wire-passing tube, pillar under the 12-, the 13-travel switch, 14-ball-screw assembly, 15-drive motors, the 16-circuit for controlling motor, the 17-helmet
The specific embodiment
Referring to Fig. 1, a kind of direct-reading afflux float traffic logger, comprise the last pillar 1 of thread seal connection successively, float core bar 5, flow outlet pipe 6, float spring 7, flow water inlet pipe 8, current collecting umbrella 9, wire-passing tube 11, following pillar 12, helmet 17, be disposed with flow signal processing circuit unit 2 from top to bottom in the last pillar 1, signal plate skeleton 3, solenoid coil formula self-induction sensor 4, float core bar 5 is connected with solenoid coil 4, float spring 7 is arranged at the top of float core bar 5, this part is mainly finished the measurement to flow, be disposed with ball-screw assembly 14 from top to bottom in the following pillar 12, drive motors 15, circuit for controlling motor 16, the ball-screw assembly 14 outer travel switches 13 that also are provided with, this part is mainly used in the opening and closing of control current collecting umbrella.
When the utility model uses, at first be connected with cable head by logging cable, when arriving underground survey place, supply negative electricity to instrument, the metal current collecting umbrella is opened, act on float after making whole fluid by the current collecting umbrella afflux, detect the displacement of float, and then finish measurement flow by non-contact displacement transducer.Instrument is the data on flows that records, and behind the processing coding, continuous passes through the numerical control logging system that cable is passed to ground, finishes the measurement function of whole instrument.
The utility model is applicable to real-time control measurement analysis, change the downhole data of being gathered into the signal of telecommunication during instrument work, by circuit part coding treatment conversion is Manchester coded signal, through the numerical control logging system of cable transmission to ground, the numerical control logging system is handled signal decoding, pass to computer, by well logging software log data is handled in real time, can obtain the size of the output flow of down-hole different depth, and can in real time the curve printing of measuring be come out by plotter.
Claims (3)
1, a kind of direct-reading afflux float traffic logger, comprise last pillar (1), float core bar (5), flow outlet pipe (6), float spring (7), flow water inlet pipe (8), current collecting umbrella (9), wire-passing tube (11), following pillar (12) and the helmet (17) of thread seal connection successively, also be provided with current collecting umbrella head (10) between described current collecting umbrella (9) and the wire-passing tube (11);
Described going up in the pillar (1) is provided with signal plate skeleton (3), and described signal plate skeleton (3) is provided with flow signal processing circuit unit (2);
Be provided with ball-screw assembly (14), drive motors (15), circuit for controlling motor (16) and travel switch (13) in the pillar (12) under described, this ball-screw assembly (14) is connected with current collecting umbrella (9), with opening with closed of control current collecting umbrella (9);
It is characterized in that: described float core bar (5) is connected with float spring (7), and described float core bar (5) also is connected with a non-contact displacement transducer; Described float spring (7) makes float core bar (5) the stressed extruding of realization and resets.
2, according to the described direct-reading afflux of claim 1 float traffic logger, it is characterized in that: described non-contact displacement transducer is a solenoid coil formula self-induction sensor (4).
3, according to claim 1 or 2 described direct-reading afflux float traffic loggers, it is characterized in that: described current collecting umbrella (9) is the metal current collecting umbrella.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200324448U CN201407029Y (en) | 2009-04-02 | 2009-04-02 | Direct reading packer float flow logger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200324448U CN201407029Y (en) | 2009-04-02 | 2009-04-02 | Direct reading packer float flow logger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201407029Y true CN201407029Y (en) | 2010-02-17 |
Family
ID=41677962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200324448U Expired - Lifetime CN201407029Y (en) | 2009-04-02 | 2009-04-02 | Direct reading packer float flow logger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201407029Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104255A (en) * | 2013-01-22 | 2013-05-15 | 西安交通大学 | Device and method for measuring downhole liquid production profile flow and water holding capacity |
| CN106761676A (en) * | 2016-12-26 | 2017-05-31 | 中国石油天然气股份有限公司 | Lever type flow measuring device and measuring method thereof |
-
2009
- 2009-04-02 CN CN2009200324448U patent/CN201407029Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104255A (en) * | 2013-01-22 | 2013-05-15 | 西安交通大学 | Device and method for measuring downhole liquid production profile flow and water holding capacity |
| CN103104255B (en) * | 2013-01-22 | 2015-08-05 | 西安交通大学 | The device and method of production profile flow and specific retention under a kind of measuring well |
| CN106761676A (en) * | 2016-12-26 | 2017-05-31 | 中国石油天然气股份有限公司 | Lever type flow measuring device and measuring method thereof |
| CN106761676B (en) * | 2016-12-26 | 2023-06-30 | 中国石油天然气股份有限公司 | Lever type flow measuring device and measuring method thereof |
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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: 20100217 |
|
| CX01 | Expiry of patent term |