CN105443107A - Method and device for testing different loads through fixed-range load testing wheel - Google Patents
Method and device for testing different loads through fixed-range load testing wheel Download PDFInfo
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- CN105443107A CN105443107A CN201510340294.7A CN201510340294A CN105443107A CN 105443107 A CN105443107 A CN 105443107A CN 201510340294 A CN201510340294 A CN 201510340294A CN 105443107 A CN105443107 A CN 105443107A
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- test wheel
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- range load
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Abstract
The invention discloses a method and device for testing different loads through a fixed-range load testing wheel. A newly added big pulley identical to an existing big pulley is installed on a derrick beam of a bailing-type pumping unit to make a flexible sucker rod be in a horizontal state between the two big pulleys, and then a lifting platform is installed on the derrick beam between the two big pulleys; the fixed-range load testing wheel is installed on the lifting platform and located at the midpoint of the flexible sucker rod between the two big pulleys; the resultant force F1 formed by tension loads F of the parts, on the two sides of the fixed-range load testing wheel, of the flexible sucker rod is changed to be located within the range of the fixed-range load testing wheel by adjusting the height of the lifting platform to achieve adjustment of a tested range. The method and device successfully achieve the technical effect of being adaptive to testing of different oil well loads without changing the load testing wheel. The device is simple in structure and convenient to install.
Description
Technical field
the present invention relates to a kind of method and the device that adopt fixing range load test wheel measurement different loads, belong to oilfield well testing device technique field.
Background technology
bailing formula oil pumper is a kind of novel oil pumper, have employed the displacement artificial lifting way different from traditional oil pumper.Bailing formula oil pumper adopts flexible rod to be connected with down-hole relevant device, and during upstroke, motor drives spool turns by transmission device, is wrapped on reel by flexible rod, thus drive plunger to move upward, and oil well pump is given rise to predetermined altitude.Motor reversion during down stroke, relies on the deadweight of the down-hole such as oil well pump, flexible rod relevant device to drop to the precalculated position of down-hole, completes an oil pumping circulation.A rear situation about recovering according to downhole crude that circulated of pumping, carries out next one oil pumping circulation after waiting for a period of time.Compared with traditional oil pumper, there is stroke large, the feature that the cycle of operation is long.But bailing formula oil pumper eliminates traditional polished rod eye, therefore traditional load test equipment cannot be installed.The load range of the oil well corresponding to bailing formula oil pumper is larger, for without pump sump, peak load is generally no more than 16kN, for having for pump sump, peak load can more than 50kN, therefore a kind of device can testing this oil pumper load is needed, and nargin when precision when can meet side crops industry and large load.
Summary of the invention
the object of the invention is to, a kind of method and the device that adopt fixing range load test wheel measurement different loads are provided, the test that load test wheel adapts to different oil well load can be changed, thus overcome the deficiencies in the prior art.
technical scheme of the present invention is achieved in that
a kind of method of fixing range load test wheel measurement different loads that adopts of the present invention is, the method installs one and the identical newly-increased large pulley of existing large pulley at the derrick panel of bailing formula oil pumper, flexible rod is made to be in level between two large pulleys, then the derrick panel between two large pulleys installs a lift platform, lift platform is installed a fixing range load test wheel, fixing range load test wheel flexible rod mid point between two large pulleys; By regulating the height of lift platform, the F1 that makes a concerted effort that the drag load F changing fixing range load test wheel both sides flexible rod is formed drops in the scope of fixing range load test wheel, realizes the adjustment to testing range.
in preceding method, the F1 with joint efforts that the drag load F that the height of described fixing range load test wheel and fixing range load test take turns both sides flexible rod is formed is directly proportional.
in preceding method, the wheel trench bottom of described fixing range load test wheel is evenly equipped with pressure sensor, is measured the F1 that makes a concerted effort of flexible oil pumping pole pair fixed amount journey load test wheel by pressure sensor; Calculated the drag load F of flexible rod by following formula by the F1 that makes a concerted effort:
F=F1÷（2×cosθ）
in formula: to be flexible rod formed F1 on fixing range load test wheel makes a concerted effort,
θ is that F1 and displacement measurement take turns the angle between side draw load F with joint efforts.
according to of the present invention a kind of bailing formula oil pumper lift platform formula load test device that said method is formed be, this device comprises derrick panel, derrick panel one end is provided with existing large pulley, the derrick panel other end is provided with newly-increased large pulley, two large pulleys all roll with flexible rod and are connected, fixing range load test wheel is provided with bottom flexible rod mid point between two large pulleys, roll with flexible rod and be connected in fixing range load test wheel top, fixing range load test wheel base is fixedly connected with the lift platform be arranged on derrick panel.
in aforementioned means, in the race of described fixing range load test wheel, be uniformly distributed with one group of pressure sensor along the circumference.
in aforementioned means, described lift platform is step-less adjustment lift platform.
compared with prior art, the present invention successfully solves the technical problem need not changed load test wheel and just can adapt to different oil well load test.The improvement of the present invention to bailing formula oil pumper only needs to install a newly-increased large pulley identical with existing large pulley on existing derrick panel and a set of liftable load test takes turns the adjustment that can realize testing range.Need not unclamp flexible rod two during installation, only flexible rod need be allowed to be in relaxed state and flexible rod can be clamp-oned in the race of newly-increased large pulley, install very convenient, can construct at the scene, apparatus structure of the present invention is simple, and improvement cost is low.During if do not needed, only checkout gear need be removed, restorative good, can widely use on bailing formula oil pumper, there is dissemination.
Accompanying drawing explanation
fig. 1 is structural representation of the present invention;
fig. 2 be fixing range load test wheel highly lower time stressed polar plot;
fig. 3 be fixing range load test wheel highly higher time stressed polar plot.
being labeled as in accompanying drawing: 1-derrick panel, the existing large pulley of 2-, 3-increases large pulley newly, 4-flexible rod, and 5-fixes range load test wheel, 6-lift platform.
Detailed description of the invention
below in conjunction with drawings and Examples, the present invention is described in further detail, but not as any limitation of the invention.
Embodiment
a kind of method adopting fixing range load test wheel measurement different loads of the present invention, as shown in Figure 1, the method installs one and the identical newly-increased large pulley of existing large pulley at the derrick panel of bailing formula oil pumper, flexible rod is made to be in level between two large pulleys, then the derrick panel between two large pulleys installs a lift platform, lift platform is installed a fixing range load test wheel, fixing range load test wheel flexible rod mid point between two large pulleys; By regulating the height of lift platform, the F1 that makes a concerted effort that the drag load F changing fixing range load test wheel both sides flexible rod is formed drops in the scope of fixing range load test wheel, realizes the adjustment to testing range.The F1 with joint efforts that the drag load F that the height of fixing range load test wheel and fixing range load test take turns both sides flexible rod is formed is directly proportional.The wheel trench bottom of fixing range load test wheel is evenly equipped with pressure sensor, is measured the F1 that makes a concerted effort of flexible oil pumping pole pair fixed amount journey load test wheel by pressure sensor; Calculated the drag load F of flexible rod by following formula by the F1 that makes a concerted effort:
F=F1÷（2×cosθ）
in formula: to be flexible rod formed F1 on fixing range load test wheel makes a concerted effort,
θ is that F1 and displacement measurement take turns the angle between side draw load F with joint efforts.
according to of the present invention a kind of bailing formula oil pumper lift platform formula load test device that said method is formed, as shown in Figure 1, this device comprises derrick panel 1, derrick panel 1 one end is provided with existing large pulley 2, derrick panel 1 other end is provided with newly-increased large pulley 3, two large pulleys all roll with flexible rod 4 and are connected, fixing range load test wheel 5 is provided with bottom flexible rod 4 mid point between two large pulleys, fixing range load test is taken turns 5 tops and is rolled with flexible rod 4 and be connected, fixing range load test is taken turns 5 bases and is fixedly connected with the lift platform 6 be arranged on derrick panel 1.One group of pressure sensor is uniformly distributed with along the circumference in the race of fixing range load test wheel 5.Lift platform 6 is step-less adjustment lift platform.
operating principle of the present invention
as shown in Figures 2 and 3, in figure, F is the drag load of flexible rod, and to be flexible rod formed F1 on fixing range load test wheel makes a concerted effort, and θ is that make a concerted effort F1 and displacement measurement takes turns angle between side draw load F.Due to fixing range load test wheel flexible rod mid point between two large pulleys, so Fig. 2 and Fig. 3 is symmetric figure, in figure, the drag load F of both sides is equal.When fixing range load test wheel is highly lower, flexible rod is less for making a concerted effort of being formed on fixing range load test wheel as seen from Figure 2; Making a concerted effort that flexible rod is formed on fixing range load test wheel when fixing range load test wheel is highly higher is larger.So when fixing range load test wheel outrange, suitably can be reduced the height of fixing range load test wheel by lift platform, what flexible rod was formed on fixing range load test wheel reduces with joint efforts, to adapt to measure needs.Otherwise when the range that fixing range load test is taken turns has affluence, suitably can be raised the height of fixing range load test wheel by lift platform, the increase of making a concerted effort making flexible rod be formed on fixing range load test wheel, makes peak load close to full scale.To obtain the requirement improving certainty of measurement.
Claims (6)
1. one kind adopts the method for fixing range load test wheel measurement different loads, it is characterized in that: the method installs one and the identical newly-increased large pulley of existing large pulley at the derrick panel of bailing formula oil pumper, flexible rod is made to be in level between two large pulleys, then the derrick panel between two large pulleys installs a lift platform, lift platform is installed a fixing range load test wheel, fixing range load test wheel flexible rod mid point between two large pulleys; By regulating the height of lift platform, the F1 that makes a concerted effort that the drag load F changing fixing range load test wheel both sides flexible rod is formed drops in the scope of fixing range load test wheel, realizes the adjustment to testing range.
2. adopt the method for fixing range load test wheel measurement different loads according to claim 1, it is characterized in that: the F1 with joint efforts that the drag load F that the height of described fixing range load test wheel and fixing range load test take turns both sides flexible rod is formed is directly proportional.
3. adopt the method for fixing range load test wheel measurement different loads according to claim 1, it is characterized in that: the wheel trench bottom of described fixing range load test wheel is evenly equipped with pressure sensor, measured the F1 that makes a concerted effort of flexible oil pumping pole pair fixed amount journey load test wheel by pressure sensor; Calculated the drag load F of flexible rod by following formula by the F1 that makes a concerted effort:
F=F1÷（2×cosθ）
In formula: to be flexible rod formed F1 on fixing range load test wheel makes a concerted effort,
θ is that F1 and displacement measurement take turns the angle between side draw load F with joint efforts.
4. the bailing formula oil pumper lift platform formula load test device that method is formed according to the arbitrary claim of claims 1 to 3, comprise derrick panel (1), derrick panel (1) one end is provided with existing large pulley (2), it is characterized in that: be provided with newly-increased large pulley (3) at derrick panel (1) other end, two large pulleys all roll with flexible rod (4) and are connected, fixing range load test wheel (5) is provided with bottom flexible rod (4) mid point between two large pulleys, roll with flexible rod (4) and be connected in fixing range load test wheel (5) top, the base of fixing range load test wheel (5) is fixedly connected with the lift platform (6) be arranged on derrick panel (1).
5. the oil pumper of bailing formula according to claim 4 lift platform formula load test device, is characterized in that: be uniformly distributed with one group of pressure sensor along the circumference in the race of described fixing range load test wheel (5).
6. the oil pumper of bailing formula according to claim 4 lift platform formula load test device, is characterized in that: described lift platform (6) is step-less adjustment lift platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510340294.7A CN105443107A (en) | 2015-06-18 | 2015-06-18 | Method and device for testing different loads through fixed-range load testing wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510340294.7A CN105443107A (en) | 2015-06-18 | 2015-06-18 | Method and device for testing different loads through fixed-range load testing wheel |
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| CN105443107A true CN105443107A (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510340294.7A Pending CN105443107A (en) | 2015-06-18 | 2015-06-18 | Method and device for testing different loads through fixed-range load testing wheel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725671A (en) * | 2019-12-03 | 2020-01-24 | 山西省平遥减速器有限责任公司 | Damage-proof pollution-free bailing type oil pumping machine |
Citations (8)
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|---|---|---|---|---|
| SU875003A1 (en) * | 1979-06-26 | 1981-10-23 | Институт Кибернетики Ан Азсср | Device for automatic control of deep-well pumping unit of oil well |
| CN101624908A (en) * | 2009-08-11 | 2010-01-13 | 李桂江 | Method for detecting working condition of pumping well |
| CN101694408A (en) * | 2009-09-30 | 2010-04-14 | 陈荡 | Test method for indicator diagram of belt-type and chain-type pumping well |
| CN201786339U (en) * | 2010-09-28 | 2011-04-06 | 大庆石油管理局 | Skid-mounted bailing oil pumping device |
| CN103114847A (en) * | 2013-02-01 | 2013-05-22 | 苏州大一装备科技有限公司 | Oil field underground liquid level detection method and device |
| CN103422851A (en) * | 2012-05-21 | 2013-12-04 | 王双全 | Method for determining intermittent pumping system through oil-well pump dynamic fullness well testing |
| CN203382432U (en) * | 2013-07-25 | 2014-01-08 | 南通力威机械有限公司 | Cable arranging device capable of arranging variable-diameter cable and measuring tension |
| CN104533351A (en) * | 2014-12-15 | 2015-04-22 | 孙硕成 | Multifunctional swabbing and bailing lift device suitable for dynamic and intelligent production management |
-
2015
- 2015-06-18 CN CN201510340294.7A patent/CN105443107A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU875003A1 (en) * | 1979-06-26 | 1981-10-23 | Институт Кибернетики Ан Азсср | Device for automatic control of deep-well pumping unit of oil well |
| CN101624908A (en) * | 2009-08-11 | 2010-01-13 | 李桂江 | Method for detecting working condition of pumping well |
| CN101694408A (en) * | 2009-09-30 | 2010-04-14 | 陈荡 | Test method for indicator diagram of belt-type and chain-type pumping well |
| CN201786339U (en) * | 2010-09-28 | 2011-04-06 | 大庆石油管理局 | Skid-mounted bailing oil pumping device |
| CN103422851A (en) * | 2012-05-21 | 2013-12-04 | 王双全 | Method for determining intermittent pumping system through oil-well pump dynamic fullness well testing |
| CN103114847A (en) * | 2013-02-01 | 2013-05-22 | 苏州大一装备科技有限公司 | Oil field underground liquid level detection method and device |
| CN203382432U (en) * | 2013-07-25 | 2014-01-08 | 南通力威机械有限公司 | Cable arranging device capable of arranging variable-diameter cable and measuring tension |
| CN104533351A (en) * | 2014-12-15 | 2015-04-22 | 孙硕成 | Multifunctional swabbing and bailing lift device suitable for dynamic and intelligent production management |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725671A (en) * | 2019-12-03 | 2020-01-24 | 山西省平遥减速器有限责任公司 | Damage-proof pollution-free bailing type oil pumping machine |
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Application publication date: 20160330 |
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