CN107966094A - A kind of oil well pump displacement detection device for being placed in underground installation - Google Patents
A kind of oil well pump displacement detection device for being placed in underground installation Download PDFInfo
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- CN107966094A CN107966094A CN201711141948.9A CN201711141948A CN107966094A CN 107966094 A CN107966094 A CN 107966094A CN 201711141948 A CN201711141948 A CN 201711141948A CN 107966094 A CN107966094 A CN 107966094A
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- scale
- oil
- detection device
- pump
- oil well
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The present invention relates to downhole pump relevant device, discloses a kind of oil well pump displacement detection device for being placed in underground installation.The equipment includes measuring device and shift scale, measuring device is made of shell body, core pipe and hall device displacement measurement device, there is sealing cavity, hall device displacement measurement device is installed in sealing cavity, and the scale passage that can pass through for liquid is opened up inside core pipe between shell body and core pipe；Shift scale is made of the non-magnet material for studding with magnetic material, its length is more than oil pump plunger piston stroke, and shift scale top is connected with oil pump plunger piston, and is pumped with it in scale passage.The device measuring precision is high, can adapt to the small space of tubing and casing, strong operability, information feedback speed is fast, can adapt to industrialized production.
Description
Technical field
The present invention relates to the oil well pump displacement detection device for being placed in underground installation, is specifically designed a kind of suitable for carbon fiber etc.
The oil well pump displacement detection device for being placed in underground installation of high resiliency sucker rod.
Background technology
Carbon-fiber continuous rod has high intensity, light-weight, corrosion-resistant, anti-fatigue performance is good, continuity is good, operator
Just, it is readily transported, improves the advantages that oil production, therefore carbon-fiber continuous rod column application prospect in terms of oil exploitation industry
Extensively.But the measurement to down-hole displacement of the prior art, is usually used the mode that ground pumping unit stroke measurement substitutes.Cause
For the high resiliency feature of the high resiliency sucker rod such as carbon fiber, there is very big difference with former pumping rod made by steel, so using ground stroke
Measurement replaces oil well pump displacement measurement to have obvious limitation.Particular technique difficulty is as follows：(1) mixture in oil well is big
Amount exists, including water, other mixtures, all significantly influences the accuracy of measurement；(2) detection device circuit is complicated, cause group
Into the bulky of detection device, the small space of tubing and casing can not be adapted to；(3) whole detecting instrument must endure as high temperature and height
Pressure, testing cost are also corresponding higher；(4) vibration in overall oil recovery process, has serious influence to sound wave etc..
, can be under narrow and small, high temperature and pressure subsurface environment at this stage also without a kind of effective apparatus and method
Measure the actual mobile data of oil well pump displacement.Therefore, during the popularization and application of the high resiliency such as carbon fiber sucker rod, there is provided one
Kind can accurately measure downhole pump actual displacement, carry out underground fault diagnosis and parameter optimization, lifting oil recovery pump efficiency
Down-hole displacement measuring device, is of great significance.
The content of the invention
In order to solve the problems, such as that the measurement of the high resiliency sucker rod such as carbon fiber of the prior art down-hole displacement is not accurate enough, this
Invention provides a kind of oil well pump displacement detection device for being placed in underground installation.
In order to solve the above-mentioned technical problem, the present invention uses following technical scheme：
A kind of oil well pump displacement detection device for being placed in underground installation, including measuring device and shift scale, wherein, measurement
Device is fixedly connected with down-hole oil tube tubing string and oil pump sleeve respectively, and measuring device is by shell body, core pipe and hall device position
Shift measurement device forms, and has sealing cavity between shell body and core pipe, it is empty that hall device displacement measurement device is installed on sealing
Intracavitary, opens up the scale passage that can pass through for liquid inside core pipe；Shift scale is the non-magnet material by studding with magnetic material
It is made, its length is more than oil pump plunger piston stroke, and shift scale top is connected with oil pump plunger piston, and with it in scale passage
Pump；The down-hole displacement data to be formed that pump of shift scale are by hall device displacement measurement device
Record, and the magnetic signal of magnetic material on shift scale is converted into pulse signal transmission to ground.
The next measuring system of pump provided by the invention, linear measurement, scale length are converted to by Hall element measurement method
Degree can reach more than 9 meters, be placed in 3000 meters of even deeper high temperature, high pressure, corrosion subsurface environment in, whole detector device
High temperature and the working environment of high pressure are must endure as, heatproof is resistance to be pressed onto 30MP to 150 DEG C；The device can be measured highly precisely
Use the oil pumping well bottom offset data of the high resiliency sucker rod such as carbon fiber, such as the row to pump of shift scale
The parameters such as journey, speed, acceleration, direction, measurement accuracy error can reach 1-2cm (being required according to measurement accuracy), measuring device
It is small, it can adapt to the small space of tubing and casing.
Preferably, one block of magnetic material is studded with every 1-2cm (being required according to measurement accuracy) on scale, magnetic material
N poles and S are extremely staggered；It is furthermore preferred that shift scale top is connected by connectors such as disjointed devices with oil pump plunger piston, and
Pump with it in scale passage；One NS pole is exactly a closure, and 5-9 meters of length of the scale, general oil field is adopted
Oily stroke is up to 8 meters, can ensure that the effective scale of scale smoothly moves up and down in core pipe.
Preferably, core pipe and the material of scale are non-magnetic stainless steel material.
The oil well pump displacement detection device provided by the invention for being placed in underground installation further includes ground acquisition processing system, ground
Face acquisition processing system is by down-hole displacement signal and ground is suspended, stroke signal merges, and forms the general oil well pump in oil field and shows work(
Figure, and feature based analysis carries out fault diagnosis and parameter optimization.
The present invention provides a kind of oil well pump displacement detection device for being placed in underground installation, the equipment is using sealing space
Magnetic material on hall device and scale, highly precisely measurement are used under the oil pumping wells of high resiliency sucker rod such as carbon fiber
Displacement data, measurement accuracy error can reach 1-2cm (being required according to measurement accuracy)；Equipment volume is small at the same time, can adapt to oil
The small space of casing.
Brief description of the drawings
Fig. 1 is the profile of the oil well pump displacement detection device provided by the present invention for being placed in underground installation；
Fig. 2 is the schematic diagram of shift scale provided by the present invention.
Embodiment
The invention discloses a kind of oil well pump displacement detection device for being placed in underground installation, those skilled in the art can borrow
Reflect present disclosure, is suitably modified parts realization.In particular, all similar substitutions and modifications are to this area skill
It is it will be apparent that they are considered as being included among the present invention for art personnel.The method and application of the present invention has been led to
Preferred embodiment is crossed to be described, related personnel substantially can not depart from present invention, in spirit and scope to this paper institutes
The methods and applications stated are modified or suitably change with combining, to realize and using the technology of the present invention.
The present invention provides a kind of oil well pump displacement detection device for being placed in underground installation, including measuring device and displacement mark
Ruler 6, wherein, measuring device is fixedly connected with down-hole oil tube tubing string 2 and oil pump sleeve 1 respectively, measuring device by shell body 3,
Core pipe 4 and hall device displacement measurement device 5 form, and have sealing cavity, hall device displacement between shell body 3 and core pipe 4
Measurement device 5 is installed in sealing cavity, and the scale passage that can pass through for liquid is opened up inside core pipe 4；Shift scale 6 is by inlaying
The non-magnet material of magnetic material is made, its length is more than oil pump plunger piston stroke, every 1-2cm (according to measurement on scale 6
Required precision) one block of magnetic material 9 is studded with, the N poles of magnetic material 9 and S are extremely staggered, 6 top disjointed device of shift scale etc.
Connector 7 is connected with oil pump plunger piston 8, and is pumped with it in scale passage；Shift scale 6 it is upper and lower past
The down-hole displacement data that multiple movement is formed are recorded by hall device displacement measurement device 5, and by magnetic material on shift scale
Magnetic signal is converted into pulse signal transmission to ground.
In a kind of preferred embodiment, the oil well pump displacement detection device provided by the invention for being placed in underground installation also wraps
Include ground acquisition processing system, ground acquisition processing system is formed down-hole displacement signal and ground be suspended, stroke signal merges
The general pump dynamograph in oil field, and feature based analysis carries out fault diagnosis and parameter optimization.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (5)
- A kind of 1. oil well pump displacement detection device for being placed in underground installation, it is characterised in that：Including measuring device and shift scale, Wherein, measuring device is fixedly connected with down-hole oil tube tubing string and oil pump sleeve respectively, and measuring device is by shell body, core pipe and suddenly You form device displacement measurement device, have sealing cavity, the installation of hall device displacement measurement device between shell body and core pipe The scale passage that can pass through for liquid is opened up in sealing cavity, inside core pipe；Shift scale is by studding with the non-of magnetic material Permeability magnetic material is made, its length is more than oil pump plunger piston stroke, and shift scale top is connected with oil pump plunger piston, and is being marked with it Pump in ruler passage；The down-hole displacement data to be formed that pump of shift scale are by hall device displacement Measurement device records, and the magnetic signal of magnetic material on shift scale is converted into pulse signal transmission to ground.
- 2. oil well pump displacement detection device as claimed in claim 1, it is characterised in that：On scale one piece is studded with every 1-2cm Magnetic material, the N poles of magnetic material and S are extremely staggered.
- 3. oil well pump displacement detection device as claimed in claim 1, it is characterised in that：Shift scale top is taken off by connector Section device is connected with oil pump plunger piston.
- 4. oil well pump displacement detection device as claimed in claim 1, it is characterised in that：Core pipe and the material of scale are non-lead Magnetic stainless steel material.
- 5. oil well pump displacement detection device as claimed in claim 1, it is characterised in that：The detection device further includes ground and adopts Collect processing system, ground acquisition processing system is by down-hole displacement signal and ground is suspended, stroke signal merges, and it is general to form oil field Pump dynamograph, and feature based analysis carries out fault diagnosis and parameter optimization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711141948.9A CN107966094A (en) | 2017-11-17 | 2017-11-17 | A kind of oil well pump displacement detection device for being placed in underground installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711141948.9A CN107966094A (en) | 2017-11-17 | 2017-11-17 | A kind of oil well pump displacement detection device for being placed in underground installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107966094A true CN107966094A (en) | 2018-04-27 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711141948.9A Pending CN107966094A (en) | 2017-11-17 | 2017-11-17 | A kind of oil well pump displacement detection device for being placed in underground installation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113445993A (en) * | 2021-07-06 | 2021-09-28 | 燕山大学 | Pumping unit well pump diagram conversion model based on discrete system |
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| CN86107110A (en) * | 1985-10-24 | 1987-04-22 | 株式会社测机舍 | Coaxial linear magnetic scale apparatus |
| DE4137586A1 (en) * | 1991-11-15 | 1993-05-19 | Frank Rueger | Detector for sensing magnetic piston position in cylinder - uses two magnetic sensors, one mother sensor acting as a distribution device for transfer of signals to computer |
| CN2141888Y (en) * | 1992-10-22 | 1993-09-08 | 浙江大学 | High pressure isolated Hall effect displacement transducer |
| CN2224397Y (en) * | 1994-06-23 | 1996-04-10 | 煤炭科学研究总院上海分院 | Displacement sensor |
| US20030067297A1 (en) * | 2001-10-09 | 2003-04-10 | Festo Ag & Co. | Position detection device |
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| CN102192699A (en) * | 2010-03-12 | 2011-09-21 | 许耿祯 | Non-contact-type sensing device |
| CN103162948A (en) * | 2011-12-19 | 2013-06-19 | 中国第一汽车股份有限公司无锡油泵油嘴研究所 | Measuring equipment for lift of oil outlet valve of single-cylinder fuel injection pump and method |
| CN203177795U (en) * | 2013-03-18 | 2013-09-04 | 合肥市石川工程机械有限公司 | Prestress-tensioning protection type displacement sensor |
| CN204299571U (en) * | 2014-12-05 | 2015-04-29 | 贵州航天凯山石油仪器有限公司 | A kind of measurement and adjustment instrument device down well placement decision maker |
| CN204782982U (en) * | 2015-06-18 | 2015-11-18 | 贵州航天凯山石油仪器有限公司 | Bailing formula beam -pumping unit displacement testing arrangement |
| CN105674867A (en) * | 2016-01-21 | 2016-06-15 | 中国石油大学(北京) | Sealing device and method of magnetic induced shrinkage or elongation displacement sensor for underwater high pressure |
| CN206056489U (en) * | 2016-08-31 | 2017-03-29 | 江苏武进液压启闭机有限公司 | Absolute stroke detection structure based on piston rod |
-
2017
- 2017-11-17 CN CN201711141948.9A patent/CN107966094A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86107110A (en) * | 1985-10-24 | 1987-04-22 | 株式会社测机舍 | Coaxial linear magnetic scale apparatus |
| DE4137586A1 (en) * | 1991-11-15 | 1993-05-19 | Frank Rueger | Detector for sensing magnetic piston position in cylinder - uses two magnetic sensors, one mother sensor acting as a distribution device for transfer of signals to computer |
| CN2141888Y (en) * | 1992-10-22 | 1993-09-08 | 浙江大学 | High pressure isolated Hall effect displacement transducer |
| CN2224397Y (en) * | 1994-06-23 | 1996-04-10 | 煤炭科学研究总院上海分院 | Displacement sensor |
| US20030067297A1 (en) * | 2001-10-09 | 2003-04-10 | Festo Ag & Co. | Position detection device |
| CN101589295A (en) * | 2007-02-07 | 2009-11-25 | 索尤若驱动有限及两合公司 | Method and system for determining the position of a motor part |
| CN101294489A (en) * | 2007-04-23 | 2008-10-29 | 中国石油化工股份有限公司河南油田分公司石油工程技术研究院 | Apparatus for testing applied force and displacement of down-hole tubular pile |
| CN201218720Y (en) * | 2008-06-19 | 2009-04-08 | 哈尔滨市拓滨自动化工程有限公司 | Combination winding differential linear displacement sensor |
| CN102192699A (en) * | 2010-03-12 | 2011-09-21 | 许耿祯 | Non-contact-type sensing device |
| CN103162948A (en) * | 2011-12-19 | 2013-06-19 | 中国第一汽车股份有限公司无锡油泵油嘴研究所 | Measuring equipment for lift of oil outlet valve of single-cylinder fuel injection pump and method |
| CN203177795U (en) * | 2013-03-18 | 2013-09-04 | 合肥市石川工程机械有限公司 | Prestress-tensioning protection type displacement sensor |
| CN204299571U (en) * | 2014-12-05 | 2015-04-29 | 贵州航天凯山石油仪器有限公司 | A kind of measurement and adjustment instrument device down well placement decision maker |
| CN204782982U (en) * | 2015-06-18 | 2015-11-18 | 贵州航天凯山石油仪器有限公司 | Bailing formula beam -pumping unit displacement testing arrangement |
| CN105674867A (en) * | 2016-01-21 | 2016-06-15 | 中国石油大学(北京) | Sealing device and method of magnetic induced shrinkage or elongation displacement sensor for underwater high pressure |
| CN206056489U (en) * | 2016-08-31 | 2017-03-29 | 江苏武进液压启闭机有限公司 | Absolute stroke detection structure based on piston rod |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113445993A (en) * | 2021-07-06 | 2021-09-28 | 燕山大学 | Pumping unit well pump diagram conversion model based on discrete system |
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Application publication date: 20180427 |
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