CN104019774B - Pumping unit polish rod displacement testing method and testing device - Google Patents
Pumping unit polish rod displacement testing method and testing device Download PDFInfo
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- CN104019774B CN104019774B CN201410200605.5A CN201410200605A CN104019774B CN 104019774 B CN104019774 B CN 104019774B CN 201410200605 A CN201410200605 A CN 201410200605A CN 104019774 B CN104019774 B CN 104019774B
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Abstract
The invention relates to a pumping unit polish rod displacement testing method and testing device. The pumping unit polish rod displacement testing device is mounted on a beam hanger of a pumping unit and used for detecting changes of barometric pressure within the reciprocating running range of a polish rod of the pumping unit in real time to obtain a group of dynamic data corresponding to the changes of the barometric pressure, and the displacement of the polish rod of the pumping unit is calculated according to the maximum difference of the changes of the barometric pressure within the running range of the polish rod. According to the structure of the testing device, a barometric sensor, a data processing circuit board, a data output circuit board and a power circuit are installed in a shell, the barometric sensor is connected with the data processing circuit board, the data processing circuit board is connected with the data output circuit board, and the power circuit provides power. The pumping unit polish rod displacement testing device is novel in structure and convenient to operate. The pumping unit polish rod displacement testing device thoroughly abandons a complex mechanical structure and a stay wire of a traditional displacement testing device, and the testing method is a brand new displacement testing method.
Description
Technical field
The present invention provides a kind of new pumping unit polished rod displacement measurement sensor, is specifically related to a kind of oil-extractor polish-rod displacement measurement method and test device.
Background technology
The test of rod-pumped well indicator card, is the important means in oil well daily management, according to measured indicator card, can be appreciated that the working condition of oil pumper, so that engineers and technicians take other measures in time, ensures the steady production of oil well.
Rod-pumped well indicator card is the closed figures that oil pumping machine polished rod load is formed with its polished rod change in displacement, understands the data such as maximum, minimum load, stroke, jig frequency from figure.
At present, oil-extractor polish-rod displacement stroke, jig frequency test mode have: resistance-type, light code formula, angled type and acceleration four kinds.Wherein resistance-type, light code formula, angled type have complicated mechanical mechanism and displacement bracing wire, use fault rate the highest；Acceleration formula has its limitation, and first jig frequency is per minute less than three times, will cannot record stroke because accekeration is little.It two is can not directly to test polished rod shift length, and quadratic integral to be leaned on calculates displacement, and error cannot meet design requirement.If being provided that a kind of both without complicated frame for movement, the technology of polished rod displacement measurement required precision can be met again, pumping unit well indicator diagram testing efficiency will be greatly improved, a kind of oil-extractor polish-rod displacement measurement method that the present invention provides and test device, invent for solving this problem.
Summary of the invention
The object of the invention is just to provide a kind of oil-extractor polish-rod displacement measurement method and test device, and it is complicated that it is used for solving existing oil pumper displacement measurement method structure, the problem that fault rate is high.Present configuration is novel, easy to operate.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of oil-extractor polish-rod displacement measurement method, it is characterized in that sequentially including the following steps: oil-extractor polish-rod displacement tester is installed on the polished rod eye of oil pumper, atmospheric pressure change maximum difference in the detection reciprocal range of operation of oil-extractor polish-rod in real time, obtain the dynamic data of one group of corresponding atmospheric pressure change, and the atmospheric pressure change maximum difference in range of operation calculates oil-extractor polish-rod displacement according to this.
This oil-extractor polish-rod displacement measurement method specifically comprises the following steps that
Step one: oil-extractor polish-rod displacement tester is installed on the polished rod eye of oil pumper, and guarantee that the baroceptor of oil-extractor polish-rod displacement tester communicates with air；
Step 2: the baroceptor in step one detects the atmospheric pressure change maximum difference in the reciprocal range of operation of oil-extractor polish-rod in real time, and exports the variable signal of correspondence to data processing circuit plate；
Step 3: after the variable signal in step 2 is processed by data processing circuit plate, obtains the displacement digital signal of correspondence, and is transported to data output circuit plate；
Step 4: the displacement digital signal obtained in step 3 is dealt into display terminal by data output circuit plate, demonstrates the shift value that oil-extractor polish-rod runs.
In such scheme, the minimum point back and forth run with oil-extractor polish-rod starts to gather barometric information, runs and gathers to peak commutation, and the minimum point back and forth run to oil-extractor polish-rod terminates to gather, and will gather the barometric information in a cycle.
A kind of oil-extractor polish-rod displacement tester, it is made up of housing, baroceptor, data processing circuit plate, data output circuit plate and power circuit, it is characterized in that: baroceptor, data processing circuit plate, data output circuit plate, power circuit are respectively arranged in housing, and baroceptor is connected with data processing circuit plate, data processing circuit plate is connected with data output circuit plate, and power circuit provides power supply.And this device must move reciprocatingly with oil-extractor polish-rod during test.
Beneficial effect:
The invention the atmospheric pressure value of baroceptor is combined with oil-extractor polish-rod range ability amount, obtained the shift value of correspondence by the atmospheric pressure change in the detection reciprocal range of operation of oil-extractor polish-rod in real time, be that the important technical breaking through current bracing wire displacement measurement is explored.
The data processing circuit plate of the present invention, data output circuit plate and power circuit have taken into full account temperature, the air pressure drift impact on measuring accuracy, make test error minimum, meet the needs of reality test.
The present invention thoroughly spells and has abandoned the complicated frame for movement of traditional displacement tester and bracing wire, is a kind of brand-new displacement measurement mode.
Accompanying drawing explanation
Fig. 1 is the oil-extractor polish-rod displacement tester structure chart of the present invention.
Detailed description of the invention
The present invention will be described in detail below in conjunction with the accompanying drawings: device and circuit board used by the present invention are existing, are commercially available from market.
As shown in Figure 1: oil-extractor polish-rod displacement tester is made up of housing 5, baroceptor 1, data processing circuit plate 2, data output circuit plate 3 and power circuit 4, it is characterized in that: baroceptor 1, data processing circuit plate 2, data output circuit plate 3, power circuit 4 are respectively arranged in housing 5, and baroceptor 1 is connected with data processing circuit plate 2, data processing circuit plate 2 is connected with data output circuit plate 3, and power circuit 4 provides power supply for whole device.The present invention is arranged on the polished rod eye of oil pumper, allow the change of atmospheric pressure in the continuous vertical range of operation of perception oil-extractor polish-rod of baroceptor 1, and this change is converted to corresponding magnitude of voltage, it is sent to data processing circuit plate 2, calculate the distance value that polished rod displacement is moved accordingly, and exported result by data output circuit plate 3.
This oil-extractor polish-rod displacement measurement method specifically comprises the following steps that
Step one: oil-extractor polish-rod displacement tester is installed on the polished rod eye of oil pumper, and guarantee that the baroceptor of oil-extractor polish-rod displacement tester communicates with air；
Step 2: the baroceptor in step one detects the atmospheric pressure change maximum difference in the reciprocal range of operation of oil-extractor polish-rod in real time, and exports the variable signal of correspondence to data processing circuit plate；
Step 3: after the variable signal in step 2 is processed by data processing circuit plate, obtains the displacement digital signal of correspondence, and is transported to data output circuit plate；
Step 4: the displacement digital signal obtained in step 3 is dealt into display terminal by data output circuit plate, demonstrates the shift value that oil-extractor polish-rod runs.
In such scheme, the minimum point back and forth run with oil-extractor polish-rod starts to gather barometric information, runs and gathers to peak commutation, and the minimum point back and forth run to oil-extractor polish-rod terminates to gather, and will gather the barometric information in a cycle.
Data processing circuit plate of the present invention, data output circuit plate and power circuit have taken into full account temperature, the air pressure drift impact on measuring accuracy, make test error minimum, meet the needs of reality test.
The present invention thoroughly spells and has abandoned the complicated frame for movement of traditional displacement tester and bracing wire, is a kind of brand-new displacement measurement mode.
Claims (2)
1. an oil-extractor polish-rod displacement measurement method, it is characterized in that sequentially including the following steps: oil-extractor polish-rod displacement tester is installed on the polished rod eye of oil pumper, atmospheric pressure change maximum difference in the detection reciprocal range of operation of oil-extractor polish-rod in real time, obtain the dynamic data of one group of corresponding atmospheric pressure change, and the atmospheric pressure change maximum difference in range of operation calculates oil-extractor polish-rod displacement according to this；Described oil-extractor polish-rod displacement tester is made up of housing, baroceptor, data processing circuit plate, data output circuit plate and power circuit, baroceptor, data processing circuit plate, data output circuit plate, power circuit are respectively arranged in housing, and baroceptor is connected with data processing circuit plate, data processing circuit plate is connected with data output circuit plate, and power circuit provides power supply.
Oil-extractor polish-rod displacement measurement method the most according to claim 1, it is characterised in that specifically comprise the following steps that
Step one: oil-extractor polish-rod displacement tester is installed on the polished rod eye of oil pumper, and guarantee that the baroceptor of oil-extractor polish-rod displacement tester communicates with air；
Step 2: the baroceptor in step one detects the atmospheric pressure change maximum difference in the reciprocal range of operation of oil-extractor polish-rod in real time, and exports the variable signal of correspondence to data processing circuit plate；
Step 3: after the variable signal in step 2 is processed by data processing circuit plate, obtains the displacement digital signal of correspondence, and is transported to data output circuit plate；
Step 4: the displacement digital signal obtained in step 3 is dealt into display terminal by data output circuit plate, demonstrates the shift value that oil-extractor polish-rod runs.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410200605.5A CN104019774B (en) | 2014-05-13 | 2014-05-13 | Pumping unit polish rod displacement testing method and testing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410200605.5A CN104019774B (en) | 2014-05-13 | 2014-05-13 | Pumping unit polish rod displacement testing method and testing device |
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| CN104019774A CN104019774A (en) | 2014-09-03 |
| CN104019774B true CN104019774B (en) | 2017-01-11 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110685644B (en) * | 2019-09-18 | 2021-11-05 | 华油国新(北京)能源科技有限公司 | Pumping unit operation monitoring device and fault early warning system |
| CN113445992B (en) * | 2021-06-25 | 2023-03-21 | 新疆金牛能源物联网科技股份有限公司 | Method and device for processing movement displacement of oil pumping unit |
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| CN2401709Y (en) * | 2000-01-11 | 2000-10-18 | 武汉力普惠科技有限责任公司 | Work state intelligent monitoring instrument for oil well pump |
| CN1349052A (en) * | 2000-10-13 | 2002-05-15 | 胜利石油管理局勘察设计研究院 | Non-stop pumping working condition testing method for beam-pumping unit well |
| CN101029639A (en) * | 2007-04-02 | 2007-09-05 | 济南新吉纳远程测控有限公司 | Method for measuring pumping-unit workdone graphic in oil field |
| CN101038218A (en) * | 2006-03-17 | 2007-09-19 | 许楠 | Small cantilever beam type walking beam micro-deformation measuring device |
| CN201177542Y (en) * | 2008-02-04 | 2009-01-07 | 南京信息工程大学 | Double channel optical fiber air pressure sensor |
| CN201688931U (en) * | 2009-11-19 | 2010-12-29 | 上海神开石油化工装备股份有限公司 | Wireless indicator applied to pumping unit |
| CN203940840U (en) * | 2014-05-13 | 2014-11-12 | 湖北江汉石油仪器仪表股份有限公司 | Oil-extractor polish-rod displacement tester and the two-in-one sensor unit of displacement load |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014040264A1 (en) * | 2012-09-14 | 2014-03-20 | 中国石油天然气股份有限公司 | Method and system for measuring dynamic liquid level of oil well |
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2014
- 2014-05-13 CN CN201410200605.5A patent/CN104019774B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2401709Y (en) * | 2000-01-11 | 2000-10-18 | 武汉力普惠科技有限责任公司 | Work state intelligent monitoring instrument for oil well pump |
| CN1349052A (en) * | 2000-10-13 | 2002-05-15 | 胜利石油管理局勘察设计研究院 | Non-stop pumping working condition testing method for beam-pumping unit well |
| CN101038218A (en) * | 2006-03-17 | 2007-09-19 | 许楠 | Small cantilever beam type walking beam micro-deformation measuring device |
| CN101029639A (en) * | 2007-04-02 | 2007-09-05 | 济南新吉纳远程测控有限公司 | Method for measuring pumping-unit workdone graphic in oil field |
| CN201177542Y (en) * | 2008-02-04 | 2009-01-07 | 南京信息工程大学 | Double channel optical fiber air pressure sensor |
| CN201688931U (en) * | 2009-11-19 | 2010-12-29 | 上海神开石油化工装备股份有限公司 | Wireless indicator applied to pumping unit |
| CN203940840U (en) * | 2014-05-13 | 2014-11-12 | 湖北江汉石油仪器仪表股份有限公司 | Oil-extractor polish-rod displacement tester and the two-in-one sensor unit of displacement load |
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| CN104019774A (en) | 2014-09-03 |
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