CN204960922U - Bailing formula beam -pumping unit load testing arrangement - Google Patents
Bailing formula beam -pumping unit load testing arrangement Download PDFInfo
- Publication number
- CN204960922U CN204960922U CN201520458489.7U CN201520458489U CN204960922U CN 204960922 U CN204960922 U CN 204960922U CN 201520458489 U CN201520458489 U CN 201520458489U CN 204960922 U CN204960922 U CN 204960922U
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- China
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- load test
- flexible rod
- sucker rod
- flexible sucker
- load testing
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Abstract
(B, ) the utility model discloses a bailing formula beam -pumping unit load testing arrangement, the device include the derrick crossbeam, and derrick crossbeam one end is equipped with big pulley, and the cover has a flexible sucker rod on the big pulley, and flexible sucker rod one end is connected with relevant equipment in the pit, and the flexible sucker rod other end twines with the reel to be connected, be equipped with the installing support on the derrick crossbeam, the installing support top surface is equipped with the load testing wheel, and load testing wheel both sides are equipped with the pinch roller respectively, the load testing wheel be located flexible sucker rod below and with flexible sucker rod roll connection, the pinch roller be located flexible sucker rod top and with flexible sucker rod roll connection. The utility model discloses successfully solved because bailing formula beam -pumping unit does not have the unable installation load test equipment's of polished rod eye technical problem, can make things convenient for the analysis of oil well operating mode. Its device simple structure, simple to operate. (B, )
Description
Technical field
the utility model relates to a kind of bailing formula oil pumper load test device, belongs 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.
Utility model content
the purpose of this utility model is, provides a kind of bailing formula oil pumper load test device, can not carry out the technical problem of oil well condition analysis, thus overcome the deficiencies in the prior art during to solve and to adopt the work of bailing formula oil pumper.
the technical solution of the utility model is achieved in that
a kind of bailing formula oil pumper load test device of the present utility model is, this device comprises derrick panel, and derrick panel one end is provided with large pulley, and 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 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 utility model compared with prior art, the utility model 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 utility model 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 utility model 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 utility model;
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 utility model is described in further detail, but not as to any restriction of the present utility model.
Embodiment
the utility model is constructed by the method for following a kind of installed load testing arrangement on bailing formula oil pumper, 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 utility model 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 (3)
1. a bailing formula oil pumper load test device, 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; 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.
2. the oil pumper of bailing formula according to claim 1 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).
3. the oil pumper of bailing formula according to claim 1 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 |
|---|---|---|---|
| CN201520458489.7U CN204960922U (en) | 2015-06-30 | 2015-06-30 | Bailing formula beam -pumping unit load testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520458489.7U CN204960922U (en) | 2015-06-30 | 2015-06-30 | Bailing formula beam -pumping unit load testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204960922U true CN204960922U (en) | 2016-01-13 |
Family
ID=55055994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520458489.7U Active CN204960922U (en) | 2015-06-30 | 2015-06-30 | Bailing formula beam -pumping unit load testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204960922U (en) |
-
2015
- 2015-06-30 CN CN201520458489.7U patent/CN204960922U/en active Active
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| GR01 | Patent grant |