CN105422082A - Method and device for installing load testing device on bailing type oil pumping unit - Google Patents
Method and device for installing load testing device on bailing type oil pumping unit Download PDFInfo
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- CN105422082A CN105422082A CN201510371841.8A CN201510371841A CN105422082A CN 105422082 A CN105422082 A CN 105422082A CN 201510371841 A CN201510371841 A CN 201510371841A CN 105422082 A CN105422082 A CN 105422082A
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Abstract
The invention discloses a method and device for installing a load testing device on a bailing type oil pumping unit. According to the method and the device, an installing support is fixed to a derrick beam of the bailing type oil pumping unit, the top face of the installing support is parallel to a flexible oil pumping rod, then a load testing wheel is fixed to the top face of the installing support, pressing wheels are arranged at the two sides of the load testing wheel respectively, the flexible oil pumping rod sequentially penetrates through the bottoms of the pressing wheels and the portion above the load testing wheel and is wound around a roller connected with a motor; the pull load F of the flexible oil pumping rod is calculated by testing radial pressure F1 of the flexible oil pumping rod to the load testing wheel. The method and the device successfully solve the technical problems that because a rope suspending device does not exist on the bailing type oil pumping machine, load testing equipment can not be installed, and the working condition of an oil well can be analyzed conveniently. The device is simple in structure and convenient to install.
Description
Technical field
the present invention relates to a kind of method and device of installed load testing arrangement on bailing formula oil pumper, 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.Due to the non-installed load testing equipment of bailing formula oil pumper, oil well condition analysis is very restricted.
Summary of the invention
the object of the invention is to, a kind of method and device of installed load testing arrangement on bailing formula oil pumper is provided, the technical problem of oil well condition analysis can not be carried out during to solve and to adopt the work of bailing formula oil pumper, thus overcome the deficiencies in the prior art.
technical scheme of the present invention is achieved in that
the method of a kind of installed load testing arrangement on bailing formula oil pumper of the present invention is, the method is on the derrick panel of bailing formula oil pumper, fix a mounting bracket, mounting bracket end face is parallel with flexible rod, then a load test wheel is fixed at mounting bracket end face, load test wheel both sides are provided with contact roller, and make flexible rod successively bottom contact roller and above load test wheel through being wrapped in the cylinder that is connected with motor; The drag load F of flexible rod is calculated by the radial pressure F1 measuring flexible oil pumping pole pair load test wheel.
in preceding method, described load test wheel to be positioned in the middle part of mounting bracket end face and by flexible rod upwards jack-up; Described contact roller is positioned at load test wheel both sides by flexible rod to pressing down; Flexible rod is made to produce bending at load test wheel place thus form radial pressure F1 on load test wheel.
in preceding method, the wheel trench bottom of described load test wheel is evenly equipped with pressure sensor, is measured the radial pressure F1 of flexible oil pumping pole pair load test wheel by pressure sensor; Calculated the drag load F of flexible rod by following formula by radial pressure F1:
F=F1÷（2×cosθ）
in formula: F1 is the radial pressure that flexible rod is formed on load test wheel,
θ is the angle that radial pressure F1 and displacement measurement take turns between side draw load F.
according to of the present invention a kind of bailing formula oil pumper load test device that said method is formed be, this device comprises derrick panel, derrick panel one end is provided with large pulley, on large pulley, cover has flexible rod, flexible rod one end is connected with down-hole relevant device, and the flexible rod other end and reel are intertwined and connected; It is characterized in that: described derrick panel is provided with mounting bracket, mounting bracket end face is provided with load test wheel, and load test wheel both sides are respectively equipped with contact roller; Load test wheel is positioned to roll below flexible rod and with flexible rod and is connected, and contact roller is positioned to roll above flexible rod and with flexible rod and is connected.
in aforementioned means, in the race of described load test wheel, be uniformly distributed with one group of pressure sensor along the circumference.
in aforementioned means, described contact roller is connected with mounting bracket end face, the race peak that the race minimum point of contact roller is taken turns lower than load test.
in aforementioned means, the axis being parallel of described mounting bracket end face and flexible rod.
owing to have employed technique scheme, the present invention compared with prior art, the present invention successfully solve due to bailing formula oil pumper does not have polished rod eye cannot the technical problem of installed load testing equipment, the analysis of oil well condition can be facilitated.The present invention without the need to changing existing bailing formula oil pumper, therefore can not produce any adverse effect to the work of existing bailing formula oil pumper to the improvement of bailing formula oil pumper.Only need to install a set of checkout gear on existing derrick panel, checkout gear is not by the impact of large pulley both sides flexible rod angle; Need not unclamp flexible rod two during installation, flexible rod only need be allowed to be in relaxed state can be clamp-oned flexible rod in the load test wheel of checkout gear and the race of contact roller, installs 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 is the stressed polar plot on load test wheel.
being labeled as in accompanying drawing: 1-derrick panel, 2-large pulley, 3-flexible rod, 4-mounting bracket, 5-load test is taken turns, 6-contact roller.
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
the method of a kind of installed load testing arrangement on bailing formula oil pumper of the present invention, as shown in Figure 1: the method is on the derrick panel of bailing formula oil pumper, fix a mounting bracket, mounting bracket end face is parallel with flexible rod, then a load test wheel is fixed at mounting bracket end face, load test wheel both sides are provided with contact roller, and make flexible rod successively bottom contact roller and above load test wheel through being wrapped in the cylinder that is connected with motor; The drag load F of flexible rod is calculated by the radial pressure F1 measuring flexible oil pumping pole pair load test wheel.Load test wheel to be positioned in the middle part of mounting bracket end face and by flexible rod upwards jack-up; Described contact roller is positioned at load test wheel both sides by flexible rod to pressing down; Flexible rod is made to produce bending at load test wheel place thus form radial pressure F1 on load test wheel.The wheel trench bottom of load test wheel is evenly equipped with pressure sensor, is measured the radial pressure F1 of flexible oil pumping pole pair load test wheel by pressure sensor; Calculated the drag load F of flexible rod by following formula by radial pressure F1:
F=F1÷（2×cosθ）
in formula: F1 is the radial pressure that flexible rod is formed on load test wheel,
θ is the angle that radial pressure F1 and displacement measurement take turns between side draw load F.
according to of the present invention a kind of bailing formula oil pumper 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 large pulley 2, on large pulley 2, cover has flexible rod 3, flexible rod 3 one end is connected with down-hole relevant device, and flexible rod 3 other end and reel are intertwined and connected; Described derrick panel 1 is provided with mounting bracket 4, and mounting bracket 4 end face is provided with load test wheel 5, and load test is taken turns 5 both sides and is respectively equipped with contact roller 6; Load test wheel 5 is positioned to roll below flexible rod 3 and with flexible rod 3 and is connected, and contact roller 6 is positioned to roll above flexible rod 3 and with flexible rod 3 and is connected.One group of pressure sensor is uniformly distributed with along the circumference in the race of load test wheel 5.Contact roller 6 is connected with mounting bracket 4 end face, and the race minimum point of contact roller 6 takes turns the race peak of 5 lower than load test.The axis being parallel of mounting bracket 4 end face and flexible rod 3.
Claims (7)
1. the method for an installed load testing arrangement on bailing formula oil pumper, it is characterized in that: the method is on the derrick panel of bailing formula oil pumper, fix a mounting bracket, mounting bracket end face is parallel with flexible rod, then a load test wheel is fixed at mounting bracket end face, load test wheel both sides are provided with contact roller, and make flexible rod successively bottom contact roller and above load test wheel through being wrapped in the cylinder that is connected with motor; The drag load F of flexible rod is calculated by the radial pressure F1 measuring flexible oil pumping pole pair load test wheel.
2. the method for installed load testing arrangement on bailing formula oil pumper according to claim 1, is characterized in that: described load test wheel to be positioned in the middle part of mounting bracket end face and by flexible rod upwards jack-up; Described contact roller is positioned at load test wheel both sides by flexible rod to pressing down; Flexible rod is made to produce bending at load test wheel place thus form radial pressure F1 on load test wheel.
3. the method for installed load testing arrangement on bailing formula oil pumper according to claim 1, it is characterized in that: the wheel trench bottom of described load test wheel is evenly equipped with pressure sensor, is measured the radial pressure F1 of flexible oil pumping pole pair load test wheel by pressure sensor; Calculated the drag load F of flexible rod by following formula by radial pressure F1:
F=F1÷（2×cosθ）
In formula: F1 is the radial pressure that flexible rod is formed on load test wheel,
θ is the angle that radial pressure F1 and displacement measurement take turns between side draw load F.
4. the bailing formula oil pumper 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 large pulley (2), the upper cover of large pulley (2) has flexible rod (3), flexible rod (3) one end is connected with down-hole relevant device, and flexible rod (3) other end and reel are intertwined and connected; It is characterized in that: described derrick panel (1) is provided with mounting bracket (4), mounting bracket (4) end face is provided with load test wheel (5), and load test wheel (5) both sides are respectively equipped with contact roller (6); Load test wheel (5) is positioned at flexible rod (3) below and rolls with flexible rod (3) and is connected, and contact roller (6) is positioned at flexible rod (3) top and rolls with flexible rod (3) and is connected.
5. the oil pumper of bailing formula according to claim 4 load test device, is characterized in that: be uniformly distributed with one group of pressure sensor along the circumference in the race of described load test wheel (5).
6. the oil pumper of bailing formula according to claim 4 load test device, is characterized in that: described contact roller (6) is connected with mounting bracket (4) end face, and the race minimum point of contact roller (6) takes turns the race peak of (5) lower than load test.
7. the oil pumper of bailing formula according to claim 4 load test device, is characterized in that: the axis being parallel of described mounting bracket (4) end face and flexible rod (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510371841.8A CN105422082A (en) | 2015-06-30 | 2015-06-30 | Method and device for installing load testing device on bailing type oil pumping unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510371841.8A CN105422082A (en) | 2015-06-30 | 2015-06-30 | Method and device for installing load testing device on bailing type oil pumping unit |
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| CN105422082A true CN105422082A (en) | 2016-03-23 |
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| CN201510371841.8A Pending CN105422082A (en) | 2015-06-30 | 2015-06-30 | Method and device for installing load testing device on bailing type oil pumping unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106516009A (en) * | 2016-10-28 | 2017-03-22 | 苏州沃宁安全技术有限公司 | Automatic ship anchor chain control system |
| 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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| 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 |
| 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 |
| CN204251100U (en) * | 2014-10-31 | 2015-04-08 | 中国石油天然气股份有限公司 | Fixed oil bailing device |
| CN105443111A (en) * | 2015-06-18 | 2016-03-30 | 贵州航天凯山石油仪器有限公司 | Method and device for installing indicator diagram test apparatus on bailing type oil pumping machine |
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2015
- 2015-06-30 CN CN201510371841.8A patent/CN105422082A/en active Pending
Patent Citations (6)
| 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 |
| 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 |
| CN204251100U (en) * | 2014-10-31 | 2015-04-08 | 中国石油天然气股份有限公司 | Fixed oil bailing device |
| CN105443111A (en) * | 2015-06-18 | 2016-03-30 | 贵州航天凯山石油仪器有限公司 | Method and device for installing indicator diagram test apparatus on bailing type oil pumping machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106516009A (en) * | 2016-10-28 | 2017-03-22 | 苏州沃宁安全技术有限公司 | Automatic ship anchor chain control system |
| 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 |
| CN110725671B (en) * | 2019-12-03 | 2024-06-18 | 山西省平遥减速器有限责任公司 | Pollution-free bailing type pumping unit capable of preventing damage |
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Application publication date: 20160323 |