CN105443111A - Method and device for installing indicator diagram test apparatus on bailing type oil pumping machine - Google Patents
Method and device for installing indicator diagram test apparatus on bailing type oil pumping machine Download PDFInfo
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- CN105443111A CN105443111A CN201510340264.6A CN201510340264A CN105443111A CN 105443111 A CN105443111 A CN 105443111A CN 201510340264 A CN201510340264 A CN 201510340264A CN 105443111 A CN105443111 A CN 105443111A
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Abstract
The invention discloses a method and a device for installing an indicator diagram test apparatus on a bailing type oil pumping machine. An installation support is fixed to a derrick beam of the bailing type oil pumping machine, the top face of the installation support is parallel to a flexible oil pumping rod, a load testing wheel and a displacement testing wheel are fixed to the top face of the installation support, and the flexible oil pumping rod bypasses the bottom of the displacement testing wheel and the top of the load testing wheel successively to be wound around a roller connected with a motor; the tension load F of the flexible oil pumping rod is calculated by measuring centripetal pressure F1 applied to the load testing wheel by the flexible oil pumping rod; displacement L of the flexible oil pumping rod is calculated by measuring rotation circles of the displacement testing wheel; the indicator diagram of an oil well is drawn by adopting the displacement L and the tension load F. By means of the method and the device, the technical problem that the indicator diagram test apparatus cannot be installed on the bailing type oil pumping machine due to the absence of a wire hanger is successfully solved, and the working condition of the oil well can be conveniently analyzed. The device is simple in structure and convenient to use.
Description
Technical field
the present invention relates to a kind of method and device that indicator diagram testing device is installed 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 indicator diagram measurement equipment cannot be installed.Because indicator diagram measurement equipment do not installed by 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 on bailing formula oil pumper, install indicator diagram testing device method and device are 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
a kind of method of installing indicator diagram testing device 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 fix load test wheel and a displacement measurement wheel at mounting bracket end face, and make flexible rod successively from above displacement measurement wheel bottom and load test are taken turns 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; The displacement L of flexible rod is calculated by the rotation number of turns measuring displacement measurement wheel; And utilize the displacement L of flexible rod and drag load F to draw the indicator card of oil well.
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 displacement measurement wheel is positioned at load test wheel side and by flexible rod to pressing down; Load test wheel opposite side is provided with contact roller makes flexible rod 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.
in preceding method, described displacement measurement wheel is uniformly distributed with one group of magnet pair along the circumference, the polarity cross-distribution that one group of magnet is right, by being located at the alternately change frequency n of the hall device identification magnet polarities of displacement measurement wheel side, thus draw the number of turns that wheel rotates forward or backwards, and calculate the displacement L of flexible rod as follows:
L=2（R+r）nπ÷z
in formula: R is the radius of displacement measurement wheel,
r is the radius of flexible rod,
n is the alternately change frequency of magnet polarities,
z is that magnet is to quantity.
in preceding method, described indicator card is drawn according to the displacement L of the drag load F calculated and flexible rod.
according to of the present invention a kind of bailing formula pumping-unit workdone graphic testing arrangement 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; Described derrick panel is provided with mounting bracket, and mounting bracket end face is provided with load test wheel, and load test wheel both sides are respectively equipped with displacement measurement wheel and contact roller; Load test wheel is positioned to roll below flexible rod and with flexible rod and is connected, and rolls and is connected above displacement measurement is taken turns and is positioned at flexible rod with contact roller with flexible rod.
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, the outer rim of described displacement measurement wheel is uniformly distributed with one group of magnet pair along the circumference, the polarity cross-distribution that one group of magnet is right; Displacement measurement wheel side is provided with hall device.
in aforementioned means, described displacement measurement wheel is connected with mounting bracket end face with contact roller, the race peak that displacement measurement is taken turns and 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, compared with prior art, the present invention successfully solves because bailing formula oil pumper does not have polished rod eye cannot install the technical problem of indicator diagram measurement equipment, can facilitate the analysis of oil well condition in the present invention.Adopting the present invention to improve bailing formula oil pumper, 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.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 race of the displacement measurement wheel of checkout gear, load test wheel and 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.The present invention can widely use on existing bailing formula oil pumper, has dissemination.
Accompanying drawing explanation
fig. 1 is structural representation of the present invention;
fig. 2 is the stressed polar plot on load test wheel;
fig. 3 is the structural representation of displacement measurement 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, and 6-displacement measurement is taken turns, 7-contact roller, 8-magnet pair, 9-hall device.
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 of installing indicator diagram testing device on bailing formula oil pumper of the present invention, as shown in Figure 1, the method is on the derrick panel 1 of bailing formula oil pumper, fix a mounting bracket 4, mounting bracket 4 end face is parallel with flexible rod 3, then fix load test wheel 5 and a displacement measurement wheel 6 at mounting bracket 4 end face, and make flexible rod 3 successively bottom displacement measurement wheel 6 and load test take turns above in the of 5 through being wrapped in the cylinder that is connected with motor (cylinder does not draw); The drag load F of flexible rod 3 is calculated by the radial pressure F1 measuring flexible rod 3 pairs of load test wheels 5; The displacement L of flexible rod is calculated by the rotation number of turns measuring displacement measurement wheel 6; And utilize the displacement L of flexible rod 3 and drag load F to draw the indicator card of oil well.Load test wheel 5 to be positioned in the middle part of mounting bracket 4 end face and by flexible rod 3 upwards jack-up; Described displacement measurement wheel 6 is positioned at load test and takes turns 5 sides and by flexible rod 3 to pressing down; Load test is taken turns 5 opposite sides and is provided with contact roller 7 and makes flexible rod 3 produce as shown in Figure 1 bending at load test wheel place thus form radial pressure F1 on load test wheel.The wheel trench bottom of load test wheel 5 is evenly equipped with pressure sensor (not shown in FIG.), is measured the radial pressure F1 of flexible rod 3 pairs of load test wheels 5 by pressure sensor; Calculate the drag load F of flexible rod by radial pressure F1, on load test wheel 5 by force vector as shown in Figure 2, the drag load F formula of flexible rod can be derived according to Fig. 2 and Triangle Formula:
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.This definite value of angle theta after displacement measurement wheel 6, load test wheel 5 and contact roller 7 position are determined, drag load F is the stressed equalization of various piece in the middle of flexible rod.
described displacement measurement wheel is uniformly distributed with one group of magnet pair along the circumference, the polarity cross-distribution that one group of magnet is right, by being located at the alternately change frequency n of the hall device identification magnet polarities of displacement measurement wheel side, thus draw the number of turns that wheel rotates forward or backwards, and calculate the displacement L of flexible rod as follows:
L=2（R+r）nπ÷z
in formula: R is the radius (for definite value) of displacement measurement wheel,
r is the radius (for definite value) of flexible rod,
n is the alternately change frequency (measured value) of magnet polarities,
z is that magnet is to quantity (for definite value).
described indicator card is drawn according to the displacement L of the drag load F calculated and flexible rod.
according to of the present invention a kind of bailing formula pumping-unit workdone graphic testing arrangement 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 displacement measurement wheel 6 and contact roller 7; Load test wheel 5 is positioned to roll below flexible rod 3 and with flexible rod 3 and is connected, displacement measurement take turns 6 be positioned at flexible rod 3 with contact roller 7 above and roll with flexible rod 3 and be connected.One group of pressure sensor is uniformly distributed with along the circumference in the race of load test wheel 5.The outer rim of displacement measurement wheel 6 as shown in Figure 3, is uniformly distributed with one group of magnet along the circumference to 8, one group of magnet to 8 polarity cross-distribution; Displacement measurement wheel side is provided with hall device 9.Displacement measurement wheel 6 is connected with mounting bracket 4 end face with contact roller 7, and the race minimum point of displacement measurement wheel 6 and contact roller 7 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 (10)
1. one kind the method for indicator diagram testing device is installed 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 fix load test wheel and a displacement measurement wheel at mounting bracket end face, and make flexible rod successively from above displacement measurement wheel bottom and load test are taken turns 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; The displacement L of flexible rod is calculated by the rotation number of turns measuring displacement measurement wheel; And utilize the displacement L of flexible rod and drag load F to draw the indicator card of oil well.
2. the method for indicator diagram testing device is installed according to claim 1 on bailing formula oil pumper, it 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 displacement measurement wheel is positioned at load test wheel side and by flexible rod to pressing down; Load test wheel opposite side is provided with contact roller makes flexible rod produce bending at load test wheel place thus form radial pressure F1 on load test wheel.
3. the method for indicator diagram testing device is installed according to claim 1 on bailing formula oil pumper, 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 method for indicator diagram testing device is installed according to claim 1 on bailing formula oil pumper, it is characterized in that: described displacement measurement wheel is uniformly distributed with one group of magnet pair along the circumference, the polarity cross-distribution that one group of magnet is right, by being located at the alternately change frequency n of the hall device identification magnet polarities of displacement measurement wheel side, thus draw the number of turns that wheel rotates forward or backwards, and calculate the displacement L of flexible rod as follows:
L=2（R+r）nπ÷z
In formula: R is the radius of displacement measurement wheel,
R is the radius of flexible rod,
N is the alternately change frequency of magnet polarities,
Z is that magnet is to quantity.
5. the method for indicator diagram testing device is installed according to claim 4 on bailing formula oil pumper, it is characterized in that: described indicator card is drawn according to the displacement L of the drag load F calculated and flexible rod.
6. the bailing formula pumping-unit workdone graphic testing arrangement that method is formed according to the arbitrary claim of Claims 1 to 5, 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 displacement measurement wheel (6) and contact roller (7); Load test wheel (5) is positioned at flexible rod (3) below and rolls with flexible rod (3) and is connected, and displacement measurement wheel (6) and contact roller (7) are positioned at flexible rod (3) top and roll with flexible rod (3) and be connected.
7. the pumping-unit workdone graphic of bailing formula according to claim 6 testing arrangement, 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).
8. the pumping-unit workdone graphic of bailing formula according to claim 6 testing arrangement, is characterized in that: the outer rim of described displacement measurement wheel (6) is uniformly distributed with one group of magnet along the circumference to (8), and one group of magnet is to the polarity cross-distribution of (8); Displacement measurement wheel side is provided with hall device (9).
9. the pumping-unit workdone graphic of bailing formula according to claim 6 testing arrangement, it is characterized in that: described displacement measurement wheel (6) is connected with mounting bracket (4) end face with contact roller (7), the race minimum point of displacement measurement wheel (6) and contact roller (7) takes turns the race peak of (5) lower than load test.
10. the pumping-unit workdone graphic of bailing formula according to claim 6 testing arrangement, 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 |
|---|---|---|---|
| CN201510340264.6A CN105443111A (en) | 2015-06-18 | 2015-06-18 | Method and device for installing indicator diagram test apparatus on bailing type oil pumping machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510340264.6A CN105443111A (en) | 2015-06-18 | 2015-06-18 | Method and device for installing indicator diagram test apparatus on bailing type oil pumping machine |
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| CN105443111A true CN105443111A (en) | 2016-03-30 |
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| CN201510340264.6A Pending CN105443111A (en) | 2015-06-18 | 2015-06-18 | Method and device for installing indicator diagram test apparatus on bailing type oil pumping machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422082A (en) * | 2015-06-30 | 2016-03-23 | 贵州航天凯山石油仪器有限公司 | Method and device for installing load testing device on bailing type oil pumping unit |
| CN108457641A (en) * | 2018-05-25 | 2018-08-28 | 锦州锦研科技有限责任公司 | Portable bailing formula oil pumping pump condition diagnostic device |
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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 |
| CN204165686U (en) * | 2014-09-02 | 2015-02-18 | 捷胜海洋装备股份有限公司 | A kind of three pulley tension sensors with the long measurement mechanism of rope |
| CN104533351A (en) * | 2014-12-15 | 2015-04-22 | 孙硕成 | Multifunctional swabbing and bailing lift device suitable for dynamic and intelligent production management |
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2015
- 2015-06-18 CN CN201510340264.6A patent/CN105443111A/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 |
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| CN204165686U (en) * | 2014-09-02 | 2015-02-18 | 捷胜海洋装备股份有限公司 | A kind of three pulley tension sensors with the long measurement mechanism of rope |
| 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 (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422082A (en) * | 2015-06-30 | 2016-03-23 | 贵州航天凯山石油仪器有限公司 | Method and device for installing load testing device on bailing type oil pumping unit |
| CN108457641A (en) * | 2018-05-25 | 2018-08-28 | 锦州锦研科技有限责任公司 | Portable bailing formula oil pumping pump condition diagnostic device |
| CN108457641B (en) * | 2018-05-25 | 2023-11-21 | 锦州锦研科技有限责任公司 | Portable bailing type pumping unit pump condition diagnosis device |
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Application publication date: 20160330 |