CN102455238A - Online calibration method of indicator diagram test equipment and connection structure thereof - Google Patents

Online calibration method of indicator diagram test equipment and connection structure thereof Download PDF

Info

Publication number
CN102455238A
CN102455238A CN2011103112185A CN201110311218A CN102455238A CN 102455238 A CN102455238 A CN 102455238A CN 2011103112185 A CN2011103112185 A CN 2011103112185A CN 201110311218 A CN201110311218 A CN 201110311218A CN 102455238 A CN102455238 A CN 102455238A
Authority
CN
China
Prior art keywords
merit
testing apparatus
online
standard
indicator diagram
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.)
Pending
Application number
CN2011103112185A
Other languages
Chinese (zh)
Inventor
朱天寿
郑光荣
吴忠本
靳笋
魏明
王开明
田赁
陆松
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Petrochina Changqing Oilfield Co
Guizhou Aerospace Kaishan Petroleum Instrument Co Ltd
Original Assignee
Petrochina Changqing Oilfield Co
Guizhou Aerospace Kaishan Petroleum Instrument Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Petrochina Changqing Oilfield Co, Guizhou Aerospace Kaishan Petroleum Instrument Co Ltd filed Critical Petrochina Changqing Oilfield Co
Priority to CN2011103112185A priority Critical patent/CN102455238A/en
Publication of CN102455238A publication Critical patent/CN102455238A/en
Pending legal-status Critical Current

Links

Abstract

The invention discloses an online calibration method of indicator diagram test equipment and a connection structure thereof. In the invention, one standard indicator diagram test equipment is installed on an oil pumping unit tested by online indicator diagram test equipment which needs to be calibrated so that the standard indicator diagram test equipment and the online indicator diagram test equipment can simultaneously collect a load and displacement data of the oil pumping unit during normal working under a same test working condition. Therefore, a standard indicator diagram can be obtained through testing by using the standard indicator diagram test equipment and an online indicator diagram can be obtained through testing by using the online indicator diagram test equipment. A difference of two data can be obtained after comparing the data of the standard indicator diagram with the data of the online indicator diagram. According to the difference, the online indicator diagram test equipment can be calibrated. In the invention, investment is small, a working efficiency high, operation is convenient and calibration precision is high. An influence on the oil pumping unit is small. A labor intensity of operation personnel can be substantially reduced. The method and the connection structure have many other advantages.

Description

A kind of on-line calibration method and syndeton of merit figure testing apparatus
Technical field
the present invention relates to a kind of on-line calibration method and syndeton of merit figure testing apparatus, belong to merit figure testing apparatus collimation technique field.
Background technology
merit figure testing apparatus normally is used for the test of rod-pumped well individual well surface dynamometer card.In the digital Construction of oil field, the load-position diagram that utilizes extended immobilization to be installed in the merit figure testing apparatus timing acquiring on the oil pumper calculates the individual well daily fluid production rate, analyzes and the diagnosis oil well condition.Owing to drift can occur behind the long-time stand under load of load elastic body of merit figure testing apparatus, thereby influence the calculating of oil well daily fluid production rate and the analysis of hole condition, so must often calibrate to the online merit figure testing apparatus in scene.The calibration steps of merit figure testing apparatus commonly used is the online merit figure testing apparatus of pulling down from the scene to be demarcated or the error calibrating indoor through special indicator caliberating device at present, according to the error of calibrating it is calibrated simultaneously.This method be at present the most directly, authority's method; But with regard to the calibration of field erected thousands of merit figure testing apparatus; The method exists shortcomings such as investment is big, inconvenient operation, consumed time is long, workload is big, and also exists shortcomings such as being unfavorable for maintenance management, inefficiency.
Summary of the invention
the objective of the invention is to, and a kind of on-line calibration method and syndeton of investing little, high efficiency, the easy to operate and merit figure testing apparatus that calibration accuracy is higher are provided, to overcome the deficiency of prior art.
technical scheme of the present invention is achieved in that the on-line calibration method of a kind of merit figure testing apparatus of the present invention is; Directly the accurate merit figure testing apparatus of a station symbol is installed on the oil pumper that the online merit figure testing apparatus that need be calibrated tested; Make load and the displacement data of two equipment of standard merit figure testing apparatus and online merit figure testing apparatus in the time gathering oil pumper simultaneously under the identical test job condition in operate as normal; Thereby obtain standard merit figure and obtain online merit figure through online merit figure testing apparatus test through the test of standard merit figure testing apparatus; Can obtain the difference of two kinds of data after the data of the data of standard merit figure and online merit figure are compared; This difference is the error of online merit figure testing apparatus, can calibrate online merit figure testing apparatus according to this error.
are according to the on-line calibration syndeton of a kind of merit figure testing apparatus of said method structure; Comprise standard merit figure testing apparatus and the online merit figure testing apparatus that is installed on the oil pumper of operate as normal; Be installed on the oil pumper poliched rod eye of the online merit figure testing apparatus of being equipped with of oil pumper to the stack of its standard merit figure testing apparatus, and the load elastic body of test usefulness of standard merit figure testing apparatus and being installed on the oil pumper by coaxial at the linear load elastic body of online merit figure testing apparatus.
above-mentioned to be installed between standard merit figure testing apparatus and the online merit figure testing apparatus on the oil pumper poliched rod eye and to be connected with communication cable; And an end of communication cable is plugged on the control signal transmission grafting port of standard merit figure testing apparatus, and the other end of communication cable is plugged on the control signal transmission grafting port of online merit figure testing apparatus.
The nominal measuring accuracy of above-mentioned standard merit figure testing apparatus is higher than the nominal measuring accuracy of online merit figure testing apparatus.
The error of the nominal measuring accuracy of above-mentioned standard merit figure testing apparatus is less than or equal to 0.2%FS.
are owing to adopted technique scheme; The present invention is through on the oil pumper that the accurate merit figure testing apparatus of a station symbol is installed in the online merit figure testing apparatus that need be calibrated and is tested; And through the load elastic body of the test usefulness of standard merit figure testing apparatus is pressed coaxial installation with the load elastic body of online merit figure testing apparatus; Simultaneously standard merit figure testing apparatus is connected with online merit figure testing apparatus through communication cable; Standard merit figure testing apparatus and online merit figure testing apparatus are operated under the identical test job condition; And the load-position diagram that obtains tested also be the load-position diagram at one time; Like this operating personnel can make things convenient for, the difference on clearly finding out at one time from two resulting load-position diagram of equipment, this difference is the error of online merit figure testing apparatus, operating personnel can calibrate online merit figure testing apparatus according to this error easily.The present invention need not disassemble online merit figure testing apparatus when test and calibrate from oil pumper, reduced the stop time of oil pumper widely, has improved the work efficiency of oil pumper effectively.And the price of the merit figure testing apparatus that the present invention adopted is significantly less than the price of special indicator caliberating device used in the prior art.So, the present invention compared with prior art, the present invention not only has little, the high efficiency of investment, easy to operate, calibration accuracy advantage of higher, but also have less to the work influence of oil pumper, can alleviate advantage such as labor intensity of operating personnel greatly.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 be standard merit figure testing apparatus of the present invention load elastic body and online merit figure testing apparatus at the linear load elastic body by the coaxial structural representation that is installed on the oil pumper.
Being labeled as in accompanying drawing: 1-standard merit figure testing apparatus, 1.1-load elastic body, the online merit figure testing apparatus of 2-, 2.1-is at the linear load elastic body, 3-communication cable, 4-oil pumper poliched rod eye.
Embodiment
are done further detailed description below in conjunction with accompanying drawing and embodiment to the present invention, but not as to any restriction of the present invention.
embodiments of the invention: the merit figure testing apparatus finished product of employed in the present invention standard merit figure testing apparatus 1 for selling on the market; When choosing this equipment of using as standard merit figure testing apparatus, be elected to be the nominal measuring accuracy that should be higher than online merit figure testing apparatus 2 for the nominal measuring accuracy of standard merit figure testing apparatus 1; Generally, the error of the nominal measuring accuracy of standard merit figure testing apparatus 1 should be less than or equal to 0.2%FS (FS is the full scale precision).Online merit figure testing apparatus 2 among the present invention is for being installed in the merit figure testing apparatus on the on-the-spot oil pumper.
The on-line calibration method of a kind of merit figure testing apparatus of the present invention does; Directly the accurate merit figure testing apparatus 1 of a station symbol is installed on the oil pumper that the online merit figure testing apparatus 2 that need be calibrated tested; Make load and the displacement data of 2 two equipment of standard merit figure testing apparatus 1 and online merit figure testing apparatus in the time gathering oil pumper simultaneously under the identical test job condition in operate as normal; Thereby obtain standard indicator diagram and obtain online load-position diagram through online merit figure testing apparatus 2 tests through 1 test of standard merit figure testing apparatus; Can obtain the difference of two kinds of data after the data of the data of standard indicator diagram and online load-position diagram are compared; This difference is the error of online merit figure testing apparatus 2, can calibrate online merit figure testing apparatus 2 according to this error.
During concrete operations; On-line calibration syndeton according to a kind of merit figure testing apparatus of the present invention is operated; This syndeton comprises the online merit figure testing apparatus 2 on standard merit figure testing apparatus 1 and the oil pumper that is installed in operate as normal; With standard merit figure testing apparatus 1 stack be installed on the oil pumper poliched rod eye 4 of the online merit figure testing apparatus 2 of being equipped with of oil pumper (as shown in Figure 1), and the load elastic body of the test usefulness of standard merit figure testing apparatus 1 and online merit figure testing apparatus 2 be installed in (as shown in Figure 2) on the oil pumper at the linear load elastic body by coaxial; Carry out synchronism detection work in order to make standard merit figure testing apparatus 1 and online merit figure testing apparatus 2; With being connected through communication cable 3 between the standard merit figure testing apparatus 1 and the online merit figure testing apparatus 2 that are installed on the oil pumper poliched rod eye 4; An end that is about to communication cable 3 is plugged on the control signal transmission grafting port of standard merit figure testing apparatus 1; The other end of communication cable 3 is plugged on the control signal transmission grafting port of online merit figure testing apparatus 2 (the control signal transmission grafting port on standard merit figure testing apparatus 1 and the online merit figure testing apparatus 2 all be the port that configures on the original equipment), can makes standard merit figure testing apparatus 1 and online merit figure testing apparatus 2 carry out synchronism detection like this.

Claims (5)

1. the on-line calibration method of a merit figure testing apparatus; It is characterized in that: directly the accurate merit figure testing apparatus of a station symbol (1) is installed on the oil pumper that the online merit figure testing apparatus (2) that need be calibrated tested; Make load and the displacement data of (2) two equipment of standard merit figure testing apparatus (1) and online merit figure testing apparatus in the time gathering oil pumper simultaneously under the identical test job condition in operate as normal; Thereby obtain standard indicator diagram and obtain online load-position diagram through online merit figure testing apparatus (2) test through standard merit figure testing apparatus (1) test; Can obtain the difference of two kinds of data after the data of the data of standard indicator diagram and online load-position diagram are compared; This difference is the error of online merit figure testing apparatus (2), can calibrate online merit figure testing apparatus (2) according to this error.
2. the on-line calibration syndeton of a merit figure testing apparatus; Comprise standard merit figure testing apparatus (1) and be installed in the online merit figure testing apparatus (2) on the oil pumper of operate as normal; It is characterized in that: be installed on the oil pumper poliched rod eye (4) of the online merit figure testing apparatus of being equipped with of oil pumper (2) to standard merit figure testing apparatus (1) stack, and standard merit figure testing apparatus (1) test the load elastic body (1.1) of usefulness and being installed on the oil pumper by coaxial at linear load elastic body (2.1) of online merit figure testing apparatus (2).
3. the on-line calibration syndeton of merit figure testing apparatus according to claim 2; It is characterized in that: be installed between standard merit figure testing apparatus (1) and the online merit figure testing apparatus (2) on the oil pumper poliched rod eye (4) and be connected with communication cable (3); And an end of communication cable (3) is plugged on the control signal transmission grafting port of standard merit figure testing apparatus (1), and the other end of communication cable (3) is plugged on the control signal transmission grafting port of online merit figure testing apparatus (2).
4. according to the on-line calibration syndeton of claim 2 or 3 described merit figure testing apparatuss, it is characterized in that: the nominal measuring accuracy of standard merit figure testing apparatus (1) is higher than the nominal measuring accuracy of online merit figure testing apparatus (2).
5. the on-line calibration syndeton of merit figure testing apparatus according to claim 4 is characterized in that: the error of the nominal measuring accuracy of standard merit figure testing apparatus (1) is less than or equal to 0.2%FS.
CN2011103112185A 2011-10-14 2011-10-14 Online calibration method of indicator diagram test equipment and connection structure thereof Pending CN102455238A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011103112185A CN102455238A (en) 2011-10-14 2011-10-14 Online calibration method of indicator diagram test equipment and connection structure thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011103112185A CN102455238A (en) 2011-10-14 2011-10-14 Online calibration method of indicator diagram test equipment and connection structure thereof

Publications (1)

Publication Number Publication Date
CN102455238A true CN102455238A (en) 2012-05-16

Family

ID=46038663

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011103112185A Pending CN102455238A (en) 2011-10-14 2011-10-14 Online calibration method of indicator diagram test equipment and connection structure thereof

Country Status (1)

Country Link
CN (1) CN102455238A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104267137A (en) * 2014-10-16 2015-01-07 珠海联邦制药股份有限公司 Quantitative analysis method of methyl mercaptan in levetiracetam
CN106052836A (en) * 2016-08-22 2016-10-26 蚌埠日月仪器研究所有限公司 Method for carrying out online calibration on load sensor on oil pumping machine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101261169A (en) * 2008-04-21 2008-09-10 济南新吉纳远程测控有限公司 Crossbeam type oil pumping machine feed sensor calibration system and its calibration method
CN201909692U (en) * 2010-11-05 2011-07-27 北京航天时空科技有限公司 Wireless self-calibration indicator diagram instrument for oil pumping unit in oilwell

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101261169A (en) * 2008-04-21 2008-09-10 济南新吉纳远程测控有限公司 Crossbeam type oil pumping machine feed sensor calibration system and its calibration method
CN201909692U (en) * 2010-11-05 2011-07-27 北京航天时空科技有限公司 Wireless self-calibration indicator diagram instrument for oil pumping unit in oilwell

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104267137A (en) * 2014-10-16 2015-01-07 珠海联邦制药股份有限公司 Quantitative analysis method of methyl mercaptan in levetiracetam
CN104267137B (en) * 2014-10-16 2016-07-06 珠海联邦制药股份有限公司 The quantitative analysis method of methanthiol in a kind of levetiracetam
CN106052836A (en) * 2016-08-22 2016-10-26 蚌埠日月仪器研究所有限公司 Method for carrying out online calibration on load sensor on oil pumping machine

Similar Documents

Publication Publication Date Title
CN203629528U (en) Outer revolution surface roundness detector
CN102610996A (en) Method and device for rapidly calibrating luminous power
CN104749659A (en) Automatic meteorological station on-site checking instrument and method
CN204881602U (en) A device for measuring building engineering deformation of member
CN202970689U (en) Oil well indictor diagram acquisition device
CN102455238A (en) Online calibration method of indicator diagram test equipment and connection structure thereof
CN205209427U (en) Wireless accurate strain measuring device
CN105277111A (en) Star arrow locking device strain monitoring system
CN202255758U (en) On-line calibrating and connecting structure for testing equipment of diagrams
CN105300269A (en) Wireless precision strain measuring device and wireless precision strain measuring method
CN103162893A (en) Multi-component smart pressure transmitter
CN102778388B (en) Tensile testing machine and cross section test board thereof
CN107765202A (en) The on-line calibration system and method for AC measurment unit in integrated circuit test system
CN102095540A (en) Reaction torque test method and tester
CN104567748A (en) Auxiliary device and measurement method for measuring linearity and planeness of narrow gap
CN203614511U (en) Automatic testing device for electro-hydraulic servo valve nozzle
CN106643637B (en) Inspection type principal strain measurement method for vibration measurement
CN204390032U (en) Tilter automatic, high precision calibrating installation
CN203643235U (en) Measurement and control system for material testing machine
CN206038195U (en) A torque testing device for intelligent electric actuator
CN202171624U (en) A simulation/digital stream signal visualization monitor
CN203310873U (en) LC filter test fixture
CN203286968U (en) A rapid examination tool for a product inner bore 90-degree angle
CN109298376B (en) Electric energy value transmission method and system based on standard electric energy meter group
CN201835814U (en) Polymer shearing property testing device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C12 Rejection of a patent application after its publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20120516