CN203961960U - Exempt from out arm-type calliper log instrument - Google Patents
Exempt from out arm-type calliper log instrument Download PDFInfo
- Publication number
- CN203961960U CN203961960U CN201420338986.9U CN201420338986U CN203961960U CN 203961960 U CN203961960 U CN 203961960U CN 201420338986 U CN201420338986 U CN 201420338986U CN 203961960 U CN203961960 U CN 203961960U
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- Prior art keywords
- main shaft
- principal arm
- assembly
- arm
- latch plate
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- Expired - Fee Related
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to a kind of arm-type calliper log instrument of exempting from out.Its technical scheme is: the two ends of main shaft are respectively equipped with top connection assembly and potentiometer lower contact assembly; After being connected with four lower principal arms, four upper principal arms are arranged on main shaft, the upper end of described upper principal arm is movably attached on main shaft by adjusting slider, the lower end of upper principal arm is connected with the upper end of lower principal arm by latch plate, and the lower end of described lower principal arm is movably attached on main shaft by moving slider assembly; On the main shaft of the upside of described moving slider assembly, dead ring is installed, by the fixing position of moving slider assembly of dead ring; On the main shaft of the upside of described adjusting slider, adjusting nut is installed, by the position of adjusting nut secured adjusted slide block.Beneficial effect is: apparatus structure is simple, practical, reliable, possess transfer measure and on put forward the ability of measurement, utilize high resiliency sheet and the return spring of certain radian, guarantee that gage beam is in normally open, instrument maximum gauge 100mm, is suitable for using compared with slim-hole.
Description
Technical field
The utility model relates to a kind of oil well logging device, particularly a kind ofly exempts from out arm-type calliper log instrument.
Background technology
Double well diameter measuring well logging is a project in the well logging construction in oil exploitation, use the diameter of double well diameter measuring instrument measuring well eye X, Y both direction, double well diameter measuring instrument uses hydraulic pressure or four hole diameter legs of Mechanical Driven, during well logging, open hole diameter leg, on carry in process, measure the diameter of well of process, each leg connects a swept resistance (potentiometer), the size of stretching out according to leg produces the different signals of telecommunication, through measuring circuit and communication system, upload to ground-based computer, after processing, draw the borehole diameter of different depth position.
Chinese patent literature number is 102155215A, patent name is < < dual caliper for horizontal well > >, comprise tubular matrix and upper and lower joint thereof, its technical essential is: also comprise the drive motors, drive assembly, hydro-cushion assembly, sensor unit, measurement assembly, the vacuum damping assembly that are assembled in successively in described tubular matrix.Apparatus of the present invention are transferred to behind down-hole, telescoping ram is pushed open after the gage beam of instrument, instrument four measuring arm is with the variation freedom retractable of hole diameter, four well logging support arm free band electrokinetic potential device motions separately, transfer is effective, can accurately reflect the variation of borehole wall diameter, can transfer and measure double well diameter measuring, MDIA, can use separately the use of also can connecting with Other Instruments.
The problem of its existence is: the X-Y dual caliper device that oil well logging industry is used all adopts out receives arm-type structure, by motor control downhole instrument, open receipts arm, realize the measurement of double well diameter measuring, the reasons such as this design in actual applications can be high due to down-hole pressure, cable insulation is low cause holding receives arm failure, often cause double well diameter measuring measurement to do over again, the risk factor that this has not only increased well logging construction, has also increased constructor's labour intensity.
Summary of the invention
The purpose of this utility model is exactly in view of the foregoing defects the prior art has, a kind of arm-type calliper log instrument of exempting from out is provided, apparatus structure is simple, practical, reliable, possess transfer measure and on put forward the ability of measurement, utilize high resiliency sheet and the return spring of certain radian, guarantee that gage beam is in normally open.
Its technical scheme is: comprise female helmet, top connection assembly, upper principal arm, lower principal arm, holder, potentiometer lower contact assembly, thread bush, male helmet, main shaft, the two ends of described main shaft are respectively equipped with top connection assembly and potentiometer lower contact assembly, the top of top connection assembly is provided with female helmet, and the bottom of potentiometer lower contact assembly is provided with thread bush and public helmet; After being connected with four lower principal arms, four upper principal arms are arranged on main shaft, the upper end of described upper principal arm is movably attached on main shaft by adjusting slider, the lower end of upper principal arm is connected with the upper end of lower principal arm by latch plate, and the lower end of described lower principal arm is movably attached on main shaft by moving slider assembly; On the main shaft of the upside of described moving slider assembly, dead ring is installed, by the fixing position of moving slider assembly of dead ring; On the main shaft of the upside of described adjusting slider, adjusting nut is installed, by the position of adjusting nut secured adjusted slide block.
The upper end of above-mentioned latch plate is by there being the latch plate pressing plate of radian to be connected to upper principal arm, and lower end is connected to lower principal arm by the latch plate pressing plate of radian.
Above-mentioned latch plate is arcuate structure.
The beneficial effects of the utility model are: apparatus structure is simple, practical, reliable, possess transfer measure and on put forward the ability of measurement, utilize high resiliency sheet and the return spring of certain radian, guarantee that gage beam is in normally open, instrument maximum gauge 100mm, be suitable for using compared with slim-hole, four gage beams independently, guarantee the degree of accuracy of measuring, the design of electronic circuit, can meet the use of the different logger strings in Atlas 5700.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model;
Accompanying drawing 2 is connection layouts of electronic circuit of the present utility model;
In upper figure: female helmet 1, top connection assembly 2, adjusting nut 3, adjusting slider 4, upper principal arm 5, latch plate pressing plate 6, latch plate 7, lower principal arm 8, dead ring 9, moving slider assembly 10, holder 11, potentiometer lower contact assembly 12, thread bush 13, male helmet 14, main shaft 15;
Power transformer T, relay k1, Zener diode K2 and K3, high temperature are turned round sub-K switch 4 and signal-processing board M.
The specific embodiment
1-2 by reference to the accompanying drawings, the utility model will be further described:
The utility model comprises female helmet 1, top connection assembly 2, upper principal arm 5, lower principal arm 8, holder 11, potentiometer lower contact assembly 12, thread bush 13, male helmet 14, main shaft 15, the two ends of described main shaft 15 are respectively equipped with top connection assembly 2 and potentiometer lower contact assembly 12, the top of top connection assembly 2 is provided with female helmet 1, and the bottom of potentiometer lower contact assembly 12 is provided with thread bush 13 and public helmet 14; After being connected with four lower principal arms 8, four upper principal arms 5 are arranged on main shaft 15, the upper end of described upper principal arm 5 is movably attached on main shaft 15 by adjusting slider 4, the lower end of upper principal arm 5 is connected with the upper end of lower principal arm 8 by latch plate 7, and the lower end of described lower principal arm 8 is movably attached on main shaft by moving slider assembly 10; On the main shaft of the upside of described moving slider assembly 10, dead ring 9 is installed, by the fixing position of moving slider assembly 10 of dead ring 9; On the main shaft of the upside of described adjusting slider 4, adjusting nut 3 is installed, by the position of adjusting nut 3 secured adjusted slide blocks 4.
Wherein, the upper end of latch plate 7 is connected to upper principal arm 5 by having the latch plate pressing plate 6 of certain radian, and lower end is connected to lower principal arm 8 by having the latch plate pressing plate 6 of certain radian, and above-mentioned latch plate 7 is arcuate structure.
Signal transmission of the present utility model needs electronic circuit to complete, wherein electronic circuit by: power transformer T, relay k1, Zener diode K2 K3, high temperature turn round sub-K switch 4 and signal-processing board M connects to form, power transformer T, 180V alternating current is become to 25V low-voltage AC, low-voltage AC is through over commutation, filtering, voltage stabilizing output+18V direct current, for signal-processing board M;
The control end of relay K 1 is turned round sub-K switch 4 by high temperature and is connected to signal-processing board M, when instrument string state switches, the state that can prevent switches high voltage source and is added in signal output apparatus, guard signal output circuit intact, and be used in combination with Zener diode K2, K3, guarantee the reliability that different instrument string states switch;
3, signal-processing board M, by the resistance variations of Rx, Ry, is converted to magnitude of voltage and obtains linear change;
4, high temperature is turned round sub-K switch 4, be used for adapting to different instrument strings combination;
5, Zener diode K2 and K3, be arranged on the downside of relay K 1, is used for guaranteeing that 1503 instrument eight side direction signals correctly upload.
Apparatus structure of the present utility model is simple, practical, reliable, possess transfer measure and on put forward the ability of measurement, utilize high resiliency sheet and the return spring of certain radian, guarantee that gage beam is in normally open, instrument maximum gauge 100mm, be suitable for using compared with slim-hole, four gage beams independently, guarantee the degree of accuracy of measuring, the design of electronic circuit, can meet the use of the different logger strings in Atlas 5700.
Claims (3)
1. exempt from out arm-type calliper log instrument for one kind, comprise female helmet (1), top connection assembly (2), upper principal arm (5), lower principal arm (8), holder (11), potentiometer lower contact assembly (12), thread bush (13), male helmet (14), main shaft (15), the two ends of described main shaft (15) are respectively equipped with top connection assembly (2) and potentiometer lower contact assembly (12), the top of top connection assembly (2) is provided with female helmet (1), and the bottom of potentiometer lower contact assembly (12) is provided with thread bush (13) and public helmet (14); After being connected with four lower principal arms (8), four upper principal arms (5) are arranged on main shaft (15), it is characterized in that: the upper end of described upper principal arm (5) is movably attached on main shaft (15) by adjusting slider (4), the lower end of upper principal arm (5) is connected with the upper end of lower principal arm (8) by latch plate (7), and the lower end of described lower principal arm (8) is movably attached on main shaft by moving slider assembly (10); On the main shaft of the upside of described moving slider assembly (10), dead ring (9) is installed, by the fixing position of moving slider assembly (10) of dead ring (9); Adjusting nut (3) is installed, by the position of adjusting nut (3) secured adjusted slide block (4) on the main shaft of the upside of described adjusting slider (4).
2. according to claim 1ly exempt from out arm-type calliper log instrument, it is characterized in that: the upper end of described latch plate (7) is by there being the latch plate pressing plate (6) of radian to be connected to upper principal arm (5), and lower end is connected to lower principal arm (8) by the latch plate pressing plate (6) of radian.
3. according to claim 1 and 2ly exempt from out arm-type calliper log instrument, it is characterized in that: described latch plate (7) is arcuate structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420338986.9U CN203961960U (en) | 2014-06-24 | 2014-06-24 | Exempt from out arm-type calliper log instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420338986.9U CN203961960U (en) | 2014-06-24 | 2014-06-24 | Exempt from out arm-type calliper log instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203961960U true CN203961960U (en) | 2014-11-26 |
Family
ID=51922559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420338986.9U Expired - Fee Related CN203961960U (en) | 2014-06-24 | 2014-06-24 | Exempt from out arm-type calliper log instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203961960U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321077A (en) * | 2015-07-02 | 2017-01-11 | 中石化石油工程技术服务有限公司 | Four-arm microelectrode measuring instrument for borehole diameters |
| CN113446927A (en) * | 2021-05-12 | 2021-09-28 | 潍柴动力股份有限公司 | Engine valve guide pipe inner diameter measuring device, method and system |
| CN114183128A (en) * | 2022-01-20 | 2022-03-15 | 武汉海阔科技有限公司 | Single-arm eccentric caliper |
-
2014
- 2014-06-24 CN CN201420338986.9U patent/CN203961960U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321077A (en) * | 2015-07-02 | 2017-01-11 | 中石化石油工程技术服务有限公司 | Four-arm microelectrode measuring instrument for borehole diameters |
| CN113446927A (en) * | 2021-05-12 | 2021-09-28 | 潍柴动力股份有限公司 | Engine valve guide pipe inner diameter measuring device, method and system |
| CN114183128A (en) * | 2022-01-20 | 2022-03-15 | 武汉海阔科技有限公司 | Single-arm eccentric caliper |
| CN114183128B (en) * | 2022-01-20 | 2024-04-19 | 武汉海阔科技有限公司 | Single-arm eccentric caliper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20170624 |