CN209656204U - A kind of underground tensometer caliberating device - Google Patents
A kind of underground tensometer caliberating device Download PDFInfo
- Publication number
- CN209656204U CN209656204U CN201920451921.8U CN201920451921U CN209656204U CN 209656204 U CN209656204 U CN 209656204U CN 201920451921 U CN201920451921 U CN 201920451921U CN 209656204 U CN209656204 U CN 209656204U
- Authority
- CN
- China
- Prior art keywords
- underground
- tensometer
- piston rod
- caliberating device
- tension sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims description 25
- 238000007906 compression Methods 0.000 claims description 19
- 230000004323 axial length Effects 0.000 claims description 3
- 230000018109 developmental process Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000414 obstructive Effects 0.000 description 1
Abstract
The utility model belongs to oil field development well logging and perforation field, and in particular to a kind of underground tensometer caliberating device；Including connector, cylinder body and piston rod；It is fixedly connected on the left of connector with the right-hand joint of the tension sensor of underground tensometer, right side is fixedly connected with the piston；Piston rod is set in cylinder body；Underground tensometer is connect on well with caliberating device, by piston rod to the drawing force or compressing force of tension sensor standard, makes electric signal caused by tension sensor；By the drawing force or compressing force and electric signal numerical value of the standard of combination, calibration coefficient is generated, completes the calibration to underground tension sensor.This equipment structure combination is close, and the tension sensor that can adapt to p- 5T-+5T is demarcated on well, additionally it is possible to avoid the error of underground tension sensor itself that from can not finding to influence its normal work, ensure that being normally carried out for oil exploitation.
Description
Technical field
The utility model belongs to oil field development well logging and perforation field, and in particular to a kind of underground tensometer caliberating device.
Background technique
Underground tensometer, the measurement of underground tensometer are usually equipped with when transferring instrument to underground in field of petroleum exploitation
Range is -5T-+5T；Underground tensometer can reflect hawser in real time and transfer the drawing force or compressing force of instrument, therefore work as decentralization
Instrument when obstruction is encountered in underground, the drawing force of hawser can instantaneous reduction and by the data feedback of underground tensometer to ground,
In collection apparatus, when instrument is when underground is hindered, the drawing force of hawser can increase and pass through underground tensometer moment
Data feedback is to ground；Underground tensometer is set in decentralization or collection apparatus, effectively instrument can be avoided to fall, ensures petroleum
The safe operation of exploitation；And underground tensometer can have tension sensor aging after a number of uses, and then signal feedback occurs
The problem of error, just needs to re-scale underground tensometer at this time, and now and without effectively for underground tensometer
Special calibrating tool.
Utility model content
In order to solve do not have the technical issues of effective special calibrating tool for being directed to underground tensometer now, this is practical
Novel to provide a kind of underground tensometer caliberating device, which can be realized the calibration to tension sensor in the tensometer of underground.
A kind of underground tensometer caliberating device, it is characterised in that: including cylinder body and piston rod；One end of the cylinder body and well
The shell of lower tensometer is fixedly connected；The piston rod is set in cylinder body, and radially-outer surface a part and inner surface of cylinder block are close
Sealing-in touching；Described piston rod one end is fixedly connected with the connector of the tension sensor of underground tensometer or tension sensor.
In order to cooperate cylinder interior space to connect piston rod with the connector of tension sensor, it is additionally provided with connector, institute
The one end for stating connector is fixedly connected with the connector of the tension sensor of underground tensometer or tension sensor, the other end and piston
Bar is fixedly connected.
In order to realize that underground tension calibration instrument can be worked normally by accessing hydraulic device, it is additionally provided with work
Stopper rod stress component, the underground tensometer caliberating device further include piston stress in the bar component, the piston stress in the bar component packet
Include be arranged on inboard wall of cylinder block for indent, setting compression fittings for answering briquetting and be arranged on cylinder body on the piston rod,
It is described that briquetting is answered to be located at in indent, it is described to answer briquetting radially-outer surface and the inner radial surface for indent in sealing contact, it is described
The axial length of briquetting is answered to be less than for indent, piston rod is located at a part of radially-outer surface and cylinder body outside pressure supply slot axial ends
Inner surface is in sealing contact；Hydraulic storehouse is stretched for being formed in indent close to the cavity of tension sensor；For being passed in indent far from tension
The cavity of sensor forms compression hydraulic storehouse；The compression fittings are respectively communicated with the hydraulic storehouse of stretching and compression hydraulic storehouse.
In order to enable underground tensometer caliberating device reasonable installation, it is additionally provided with caliberating device sealing shroud, the underground
Tensometer caliberating device further includes caliberating device sealing shroud, and the caliberating device sealing shroud is fixedly installed on cylinder body far from underground
The central through hole of power meter one end is simultaneously provided with piston rod through hole, and the piston rod is located at piston far from one end of tension sensor
In bar through hole；Piston rod is located at radially-outer surface inside piston rod through hole and piston rod through hole is in sealing contact；It is described
Compression hydraulic storehouse is calibrated the sealing of device sealing shroud far from the axial direction of tension sensor.
In order to enable underground tensometer caliberating device reasonable installation, it is also devised with the mark being set to outside tension sensor
Determine device fixing sleeve, caliberating device fixing sleeve one end is connect with cylinder body, and the shell of the other end and underground tensometer is fixed to be connected
It connects.
In order to make the electric signal of tension sensor reach outside, it is additionally provided with signal wire through hole, the signal wire passes through
Hole is axially connected to connector and piston rod.
In order to guarantee the sealing performance of downhole sensor caliberating device internal component, the connector, piston rod and answer
The radially-outer surface of briquetting is provided with the sealing ring of radially installed.
Utility model beneficial effect
Underground tensometer is connect on well with caliberating device by this equipment, by piston rod to the drawing of tension sensor standard
Stretch or compressing force make electric signal caused by tension sensor；Pass through the drawing force or compressing force and telecommunications of the standard of combination
Number value generates calibration coefficient, completes the calibration to underground tension sensor.
This equipment structure combination is close, itself hydraulic storehouse of subsidiary stretching stretches hydraulic hole, compression hydraulic storehouse and compression liquid
Pressure is empty, and piston rod proof force can either be given by other equipment and is worked, and can be by the hydraulic hole of stretching and compression liquid
Pressure hole is passed through high-pressure medium and works to give piston rod proof force.
The tension sensor that this caliberating device can adapt to p- 5T-+5T is demarcated on well, after bringing calibration coefficient into
Underground tensometer can accurately be used；This equipment use simultaneously can also avoid the error of underground tension sensor itself without
Method discovery ensure that being normally carried out for oil exploitation to influence its normal work.
Detailed description of the invention
Fig. 1 be a kind of underground tensometer caliberating device in conjunction with the tensometer of underground after sectional view.
Specific embodiment
First the utility model is explained in detail according to Figure of description；
A kind of embodiment 1: underground tensometer caliberating device: including cylinder body 1 and piston rod 2；One end of the cylinder body 1 and well
The shell of lower tensometer is fixedly connected；The piston rod 2 is set in cylinder body 1, the interior table of radially-outer surface a part and cylinder body 1
Face is in sealing contact；Described 2 one end of piston rod is fixedly connected with the connector of the tension sensor of underground tensometer or tension sensor.
When calibration, in the way of external load, 2 standard tensile power of piston rod or compressing force are given, tension sensor produces
The numerical values recited that standard tensile power or compressing force substitute into electric signal is determined calibration coefficient by raw electric signal.
Embodiment 2: underground tensometer caliberating device is additionally provided with connector 3, one end and the underground tensometer of connector 3
The connector of tension sensor or tension sensor is fixedly connected, and the other end is fixedly connected with piston rod 2.
Embodiment 3: underground tensometer caliberating device is additionally provided with piston stress in the bar component, the piston stress in the bar component packet
It includes and connecing on 1 inner wall of cylinder body for indent, the pressure answering briquetting 4 and being arranged on cylinder body 1 being arranged on piston rod 2 is set
First 7, it is described that briquetting 4 is answered to be located at in indent, it is described to answer 4 radially-outer surface of briquetting to seal with the inner radial surface for indent to connect
Touching, the axial length for answering briquetting 4 are less than for indent, and a part of diameter that piston rod 2 is located at outside pressure supply slot axial ends is outside
Surface and 1 inner surface of cylinder body are in sealing contact；Hydraulic storehouse 5 is stretched for being formed in indent close to the cavity of tension sensor；For indent
The cavity of interior separate tension sensor forms compression hydraulic storehouse 6；The compression fittings 7 and the hydraulic storehouse 5 of stretching and compression hydraulic storehouse 6
It is respectively communicated with.
When calibration, it is passed through the determining hydraulic oil of pressure to hydraulic storehouse 5 or compression hydraulic storehouse 6 is stretched by compression fittings, is given
It gives and answers 4 drawing force of briquetting or compressing force, answer briquetting 4 that drawing force or compressing force are passed to tension sensor by piston rod 2,
Force snesor generates electric signal, and the stress for answering briquetting 4 is obtained by calculation, and the numerical values recited that stress brings electric signal into is determined mark
Determine coefficient.
Embodiment 4: underground tensometer caliberating device is additionally provided with caliberating device sealing shroud 8, the caliberating device sealing shroud 8
It is fixedly installed on central through hole of the cylinder body 1 far from underground tensometer one end and is provided with piston rod through hole 801, the piston rod
2 one end far from tension sensor are located in piston rod through hole 801；Piston rod 2 is located at the diameter inside piston rod through hole 801
Exterior surface and piston rod through hole 801 are in sealing contact；The compression hydraulic storehouse 6 is calibrated dress far from the axial direction of tension sensor
Set the sealing of sealing shroud 8.
Embodiment 5: underground tensometer caliberating device is additionally provided with caliberating device fixing sleeve 10, the caliberating device fixing sleeve
10 one end are connect with cylinder body 1, and the other end is fixedly connected with the shell of underground tensometer.
Embodiment 6: underground tensometer caliberating device is additionally provided with signal wire through hole 9, signal wire through hole 9 axially across
Connector 1 and piston rod 3.
When calibration, the electric signal of tension sensor can also reach signal inspection by the signal wire in signal wire through hole 9
Measurement equipment.
Embodiment 7: the connector 3, piston rod 2 and the radially-outer surface of briquetting 4 is answered to be provided with the sealing of radially installed
Circle.
Claims (7)
1. a kind of underground tensometer caliberating device, it is characterised in that: including cylinder body (1) and piston rod (2)；The cylinder body (1)
One end is fixedly connected with the shell of underground tensometer；The piston rod (2) is set in cylinder body (1), radially-outer surface a part
It is in sealing contact with the inner surface of cylinder body (1)；The tension sensor or tension of described piston rod (2) one end and underground tensometer sense
The connector of device is fixedly connected.
2. a kind of underground tensometer caliberating device according to claim 1, it is characterised in that: the underground tensometer calibration
Device further includes connector (3), one end of the connector (3) and the tension sensor of underground tensometer or tension sensor
Connector is fixedly connected, and the other end is fixedly connected with piston rod (2).
3. a kind of underground tensometer caliberating device according to claim 2, it is characterised in that: the underground tensometer calibration
Device further includes piston stress in the bar component, and the piston stress in the bar component is including being arranged on cylinder body (1) inner wall for indent, setting
The compression fittings (7) for answering briquetting (4) and be arranged on cylinder body (1) on piston rod (2) are set, it is described that briquetting (4) is answered to be located at
It is in indent, described to answer briquetting (4) radially-outer surface and the inner radial surface for indent in sealing contact, the briquetting (4) of answering
Axial length is less than for indent, and piston rod (2) is located in a part of radially-outer surface outside pressure supply slot axial ends and cylinder body (1)
Face seal contact；Hydraulic storehouse (5) is stretched for being formed in indent close to the cavity of tension sensor；For being passed in indent far from tension
The cavity of sensor forms compression hydraulic storehouse (6)；The compression fittings (7) and the hydraulic storehouse (5) of stretching and compression hydraulic storehouse (6) are respectively
Connection.
4. a kind of underground tensometer caliberating device according to claim 3, it is characterised in that: the underground tensometer calibration
Device further includes caliberating device sealing shroud (8), and the caliberating device sealing shroud (8) is fixedly installed on cylinder body (1) far from underground
The central through hole of power meter one end is simultaneously provided with piston rod through hole (801), the one end of the piston rod (2) far from tension sensor
In piston rod through hole (801)；Piston rod (2) is located at the internal radially-outer surface and piston of piston rod through hole (801)
Bar through hole (801) is in sealing contact；The compression hydraulic storehouse (6) is calibrated device sealing shroud far from the axial direction of tension sensor
(8) it seals.
5. a kind of underground tensometer caliberating device according to claim 1, it is characterised in that: further include being set to tension biography
Caliberating device fixing sleeve (10) outside sensor, described caliberating device fixing sleeve (10) one end are connect with cylinder body (1), the other end with
The shell of underground tensometer is fixedly connected.
6. a kind of underground tensometer caliberating device according to claim 1 or 2, it is characterised in that: further include that signal wire is logical
Via hole (9), the signal wire through hole (9) are axially connected to connector (3) and piston rod (2).
7. a kind of underground tensometer caliberating device according to claim 3, it is characterised in that: the connector (3), piston
Bar (2) and the radially-outer surface of briquetting (4) is answered to be provided with the sealing ring of radially installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920451921.8U CN209656204U (en) | 2019-04-04 | 2019-04-04 | A kind of underground tensometer caliberating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920451921.8U CN209656204U (en) | 2019-04-04 | 2019-04-04 | A kind of underground tensometer caliberating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209656204U true CN209656204U (en) | 2019-11-19 |
Family
ID=68528906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920451921.8U Expired - Fee Related CN209656204U (en) | 2019-04-04 | 2019-04-04 | A kind of underground tensometer caliberating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209656204U (en) |
-
2019
- 2019-04-04 CN CN201920451921.8U patent/CN209656204U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191119 Termination date: 20210404 |
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| CF01 | Termination of patent right due to non-payment of annual fee |