CN102564669A - Clamp fixation-free non-stop pumping load testing method and device - Google Patents
Clamp fixation-free non-stop pumping load testing method and device Download PDFInfo
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- CN102564669A CN102564669A CN2011103952652A CN201110395265A CN102564669A CN 102564669 A CN102564669 A CN 102564669A CN 2011103952652 A CN2011103952652 A CN 2011103952652A CN 201110395265 A CN201110395265 A CN 201110395265A CN 102564669 A CN102564669 A CN 102564669A
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- elastic body
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- stop pumping
- clamp fixation
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Abstract
The invention discloses a clamp fixation-free non-stop pumping load testing method and device. According to the clamp fixation-free non-stop pumping load testing method, an elastic body is hoisted by a hydraulic device in a clamp fixation-free non-stop pumping state to contact a polished rod and finish a load test. The clamp fixation-free non-stop pumping load testing device comprises the hydraulic device and a load testing device. The hydraulic device comprises a shell in which a hydraulic cavity (1) is formed. A piston (2) is arranged in the hydraulic cavity (1), and is in sliding connection with the cavity wall of the hydraulic cavity. The load testing device comprises a pedestal (3) on which the elastic body (4) is arranged. A hydraulic hoisting system and the sensitive load of the elastic body are combined, and the elastic body can sensitively and accurately test a load through a strain gauge; and the elastic body and the hydraulic hoisting system are combined, so that requirements on clamp fixation and pumping stoppage in the test can be avoided, and the problems of hysteresis, leakage and low accuracy of the conventional hydraulic load test technology are solved.
Description
Technical field
the present invention relates to a kind of not stop pumping load test method of exempting to check card, and belong to the oil field and survey the carrier technology field.
Background technology
are present, and the oil field is surveyed load and mainly contained two kinds of method and apparatus, and a kind of use fluid pressure type sensor adopts hydraulic lifting, pressure transducer test load.Heavy, the complex structure of fluid pressure type sensor bulk exists that data are sluggish, system's leakage defect, is restricting the development of present technique for a long time, and in nearly 20 years, each manufacturer all is less improving and do not have too big technical progress; Another kind is to adopt card load test equipment, mainly adopts the responsive load of elastic body, and measuring accuracy is higher, need shut down when still testing and check card, and troublesome poeration, and have security risk.
Summary of the invention
the objective of the invention is to, and a kind of exempt to check card not stop pumping load test method and device are provided.Be implemented in not stop pumping, under the state of not checking card, accomplish the high precision measurement in oil field; To overcome the deficiency of prior art.
Technical scheme of the present invention
a kind of not stop pumping load test method of exempting to check card, this method is exempted from the stop pumping state with the elastic body lifting through hydraulic means not checking card, and elastic body is contacted with polished rod, is accomplished the test of load by elastic body.
the aforementioned device that not stop pumping load test method makes up of exempting to check card; Comprise hydraulic means and load test device, hydraulic means comprises housing, is provided with hydraulic cavities in the housing; Be provided with piston in the hydraulic cavities, the chamber wall of piston and hydraulic cavities is slidingly connected; The load test device comprises bearing, and bearing is provided with elastic body.
compared with prior art, the present invention is through manually suppressing, thus hydraulic system makes piston protruding along with pressure constantly increases; So the load of polished rod will be born by elastic body and hydraulic system simultaneously, treat that hydraulic system is stable after, what elastic body bore is exactly the load of polished rod; After test is accomplished; Discharge hydraulic system pressure through blowdown valve, piston retraction, elastic body unloading.The present invention combines hydraulic lifting system and the responsive load of elastic body; It is more responsive, accurate that elastic body is used strainometer test load; Elastic body and hydraulic system combine; The low problem of sluggishness, leakage, precision of former hydraulic pressure test load technology has been avoided in need check card in the time of can avoiding testing requirement with stop pumping simultaneously, and more former fluid pressure type sensor accuracy significantly improves.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Being labeled as in
accompanying drawing: 1-hydraulic cavities, 2-piston, 3-bearing, 4-elastic body.
Embodiment
are further described the present invention below in conjunction with accompanying drawing and embodiment, but not as the foundation to the present invention's restriction.
embodiment.
a kind of not stop pumping load test method of exempting to check card, as shown in Figure 1.This method is exempted from the stop pumping state with the elastic body lifting through hydraulic means not checking card, and elastic body is contacted with polished rod, is accomplished the test of load by elastic body.
the aforementioned device that not stop pumping load test method makes up of exempting to check card, as shown in Figure 1.Comprise hydraulic means and load test device, hydraulic means comprises housing, is provided with hydraulic cavities 1 in the housing, is provided with piston 2 in the hydraulic cavities 1, and piston 2 is slidingly connected with the chamber wall of hydraulic cavities; The load test device comprises bearing 3, and bearing 3 is provided with elastic body 4.
Claims (2)
1. not stop pumping load test method of exempting to check card is characterized in that: this method is exempted from the stop pumping state with the elastic body lifting through hydraulic means not checking card, and elastic body is contacted with polished rod, is accomplished the test of load by elastic body.
2. the device that makes up according to the said not stop pumping load test method of exempting to check card of claim 1; It is characterized in that: comprise hydraulic means and load test device; Hydraulic means comprises housing; Be provided with hydraulic cavities (1) in the housing, be provided with piston (2) in the hydraulic cavities (1), piston (2) is slidingly connected with the chamber wall of hydraulic cavities; The load test device comprises bearing (3), and bearing (3) is provided with elastic body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103952652A CN102564669A (en) | 2011-12-02 | 2011-12-02 | Clamp fixation-free non-stop pumping load testing method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103952652A CN102564669A (en) | 2011-12-02 | 2011-12-02 | Clamp fixation-free non-stop pumping load testing method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102564669A true CN102564669A (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103952652A Pending CN102564669A (en) | 2011-12-02 | 2011-12-02 | Clamp fixation-free non-stop pumping load testing method and device |
Country Status (1)
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| CN (1) | CN102564669A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4090405A (en) * | 1977-04-14 | 1978-05-23 | Delta-X Corporation | Polished rod load transducer |
| CN2438113Y (en) * | 2000-07-13 | 2001-07-04 | 荆州市沙市科隆仪表研究所 | Hydraulic pumping-uninterrupted press-plate type sensor |
| WO2001063243A2 (en) * | 2000-02-23 | 2001-08-30 | Saturn Fasteners, Inc. | Fastener tensile test assembly |
| CN2550753Y (en) * | 2002-07-19 | 2003-05-14 | 李峰 | Load tester for oil pump unit |
| CN200972421Y (en) * | 2006-09-29 | 2007-11-07 | 中国石化股份胜利油田分公司河口采油厂 | Fixed load sensor for pumping well measuring diagram |
| CN201724763U (en) * | 2010-05-14 | 2011-01-26 | 荆州市明德科技有限公司 | Load sensor of ceaseless pumping machine |
| CN102062655A (en) * | 2009-11-12 | 2011-05-18 | 无锡千里信步精密机电科技有限公司 | Simply-structured elongated liquid-filled pressure sensor |
-
2011
- 2011-12-02 CN CN2011103952652A patent/CN102564669A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4090405A (en) * | 1977-04-14 | 1978-05-23 | Delta-X Corporation | Polished rod load transducer |
| WO2001063243A2 (en) * | 2000-02-23 | 2001-08-30 | Saturn Fasteners, Inc. | Fastener tensile test assembly |
| CN2438113Y (en) * | 2000-07-13 | 2001-07-04 | 荆州市沙市科隆仪表研究所 | Hydraulic pumping-uninterrupted press-plate type sensor |
| CN2550753Y (en) * | 2002-07-19 | 2003-05-14 | 李峰 | Load tester for oil pump unit |
| CN200972421Y (en) * | 2006-09-29 | 2007-11-07 | 中国石化股份胜利油田分公司河口采油厂 | Fixed load sensor for pumping well measuring diagram |
| CN102062655A (en) * | 2009-11-12 | 2011-05-18 | 无锡千里信步精密机电科技有限公司 | Simply-structured elongated liquid-filled pressure sensor |
| CN201724763U (en) * | 2010-05-14 | 2011-01-26 | 荆州市明德科技有限公司 | Load sensor of ceaseless pumping machine |
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Application publication date: 20120711 |