CN205297400U - Dirty device of accuse of having played sucker rod down - Google Patents

Dirty device of accuse of having played sucker rod down Download PDF

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Publication number
CN205297400U
CN205297400U CN201521018098.XU CN201521018098U CN205297400U CN 205297400 U CN205297400 U CN 205297400U CN 201521018098 U CN201521018098 U CN 201521018098U CN 205297400 U CN205297400 U CN 205297400U
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China
Prior art keywords
diameter
cavity
centralizer
control device
pollution control
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CN201521018098.XU
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Chinese (zh)
Inventor
孙连会
田中太
王铁峰
王书武
王新滨
谭小兵
刘金卫
李荷香
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Petrochina Co Ltd
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Petrochina Co Ltd
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Abstract

The utility model discloses a play dirty device of accuse of sucker rod down belongs to the chemical industry equipment field. The device comprises a cylindrical body, a cover body, a lifting rod centralizer, a lower rod centralizer, a spray gun head and a plug. The middle part of the cover body is provided with a first through hole for installing a lifting rod centralizer or a lower rod centralizer; a second through hole and an external liquid outlet are formed in the lower side part of the body and used for installing a spray gun head or a screw plug; the bottom of the body is provided with a clamp connector for connecting a main gate of the Christmas tree, a lower rod righting cavity is arranged on the clamp connector, and the inner diameter of the clamp connector is gradually reduced from top to bottom; the inner cavity of the lifting rod centralizer consists of an upper cavity and a lower cavity, the inner diameter of the upper cavity is gradually reduced from top to bottom, the inner diameter of the lower cavity is gradually increased from top to bottom, and the minimum inner diameter and the maximum inner diameter of the upper cavity and the lower cavity are the same; the inner cavity of the lower rod centralizer is consistent with the structure of the lower rod centralizing cavity. The device can install in production tree main gate top, does not need artifical supplementary oil extraction wax removal, and is better to reducing instrument's rightting effect.

Description

A kind of pollution control device of actuating oil-pumping unit
Technical field
The utility model relates to chemical industry equipment field, particularly a kind of pollution control device of actuating oil-pumping unit.
Background technology
Oil-gas field downhole operation carries out in the work progress of actuating oil-pumping unit at present, due to the pressure on stratum selfOr the high pressure water injection of contiguous water injection well, the well head of Oil/gas Well often occurs that well liquid is excessive, even blowout phenomenon.This not only causes inconvenience to underground work, and easily causes external environment condition to pollute. So, be necessary to carryFor a kind of pollution control device of actuating oil-pumping unit, excessive with the well liquid of avoiding causing in actuating oil-pumping unit process, veryTo blowout phenomenon.
In order to address the above problem, prior art provides a kind of fast modus ponens sucker rod oil-scraping device, mainly byUpper shaping ring, vertical supporting bar, lower shaping ring, horizontal fixed mount, positioning screw, frizing offset plate and levelFrizing offset plate composition, wherein, upper shaping ring and lower shaping ring are circular ring type steel plates, at upper shaping ring and lower fixedBetween type ring, be welded with four vertical supporting bars, four vertical supporting bars are uniformly distributed, vertical supporting bar upper endVertical with upper shaping ring, vertical supporting bar lower end is vertical with lower shaping ring; On upper shaping ring and lower shaping ringThere is the mouth of disconnection, disconnect the width of mouth between 18~33 millimeters; The center line that disconnects mouth is crossing with center line; ?The inner side of four vertical supporting bars is welded with respectively horizontal fixed mount, and laterally the inner of fixed mount is inclined upwardly,Inner end at horizontal fixed mount has fixing hole, has bolt in fixing hole, and bolt is by frizing offset plateBe fixed on horizontal fixed mount; It is horizontal wherein having a horizontal fixed mount, on horizontal horizontal fixed mountBe fixed with horizontal frizing offset plate.
Designer finds that prior art at least exists following problem:
The sucker rod oil-scraping device that prior art provides cannot be arranged on production tree master valve top, and then cannotMeet the well control requirement day by day improving, and, need human assistance to carry out the processing of oil extraction de-waxing, for reducingThe righting effect of instrument is poor.
Utility model content
The utility model embodiment technical problem to be solved is, provides one can be arranged on oil recoveryTree master valve top, does not need human assistance to carry out the processing of oil extraction de-waxing, for the righting effect of reducing instrumentThe pollution control device of actuating oil-pumping unit preferably. Concrete technical scheme is as follows:
A pollution control device for actuating oil-pumping unit, comprises cylinder body, is arranged on described cylinder bodyThe lid of portion, further, described pollution control device also comprises: play bar centralizer, lower beam centralizer, spray gunHead, plug;
Described lid middle part is provided with the first through hole, for described rise bar centralizer or described lower beam righting are installedDevice; The following side of described cylinder body is provided with the second through hole and exterior liquid outlet, and described the second through hole is usedIn described lance head or described plug are installed;
The bottom of described cylinder body is provided with clamp connection head, for connecting production tree master valve, described inThe lower beam lifter cavity that is also provided with truncated cone-shaped structure on clamp connection head, internal diameter from top to bottom reduces gradually;
The inner chamber of described bar centralizer is made up of upper cavity and the lower chamber of truncated cone-shaped structure, described upper cavityInternal diameter from top to bottom reduce gradually, the internal diameter of described lower chamber from top to bottom increases gradually, and described epicoeleThe minimum diameter of body and described lower chamber and maximum inner diameter are all identical;
The inner chamber of described lower beam centralizer is consistent with the structure of described lower beam lifter cavity.
Particularly, as preferably, described cylinder body top is threaded with described lid;
Described the first through hole on described lid and described bar centralizer or described lower beam centralizer screw thread connectConnect;
Described the second through hole on described cylinder body is threaded with described lance head or described plug.
Particularly, as preferably, what described lid was bottom opening is columnar structured, the external diameter of described lidFor 290-300mm, internal diameter is 250-260mm, and the degree of depth is 50-60mm, and top thickness is 10-15mm.
Particularly, as preferably, the internal diameter of described cylinder body is 250-260mm, and wall thickness is 15-25mm,The degree of depth is 300-320mm.
Particularly, as preferably, the over top of described lid is symmetrically arranged with two draw rings.
Particularly, as preferably, the internal diameter of described exterior liquid outlet is 110-130mm.
Particularly, as preferably, the minimum diameter of described upper cavity and described lower chamber is equal to described oil recoveryThe latus rectum of tree master valve; The maximum inner diameter of described upper cavity and described lower chamber is equal to the total lock of described production treeThe latus rectum of door and the maximum outside diameter sum of sucker rod deduct the body diameter of described sucker rod again.
Particularly, as preferably, in maximum inner diameter and minimum that the degree of depth of described upper cavity is described upper cavity2 times of the difference in footpath; The degree of depth of described lower chamber is 4 of the maximum inner diameter of described lower chamber and the difference of minimum diameterDoubly.
Particularly, as preferably, the minimum diameter of the inner chamber of described lower beam centralizer and described lower beam lifter cavityBe equal to the latus rectum of described production tree master valve; The inner chamber of described lower beam centralizer and described lower beam lifter cavityMaximum inner diameter is equal to the latus rectum of described production tree master valve and the maximum outside diameter sum of described sucker rod deducts againThe body diameter of described sucker rod.
Particularly, as preferably, described lance head comprises cylindrical body, be arranged on vertically described cylindricality thisThe liquid pass hole at body middle part, is arranged on the pore shower nozzle of described cylindrical body inner end;
Described cylindrical body is connected with described the second through hole whorl, the outer end of described cylindrical body and outside noteWater pipeline is threaded.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:
The pollution control device of the actuating oil-pumping unit that the utility model embodiment provides, by clamp connection head and oil recoveryThe flange hoop of tree master valve is connected, this pollution control device is arranged on to production tree master valve top.In the time that sucker rod is played to bar, the bar centralizer that rises with Bidirectional stabilizing chamber is arranged on the first through hole,Lance head is arranged on the second through hole, to ensure with nylon wax wiper, stop and centralizer simultaneouslyCarry out effective righting Deng the reducing instrument that is greater than sucker rod body diameter, prevent they when up by scratch.Meanwhile, spray gun uses lance head to be connected with external water flood pipeline, can utilize the current with pressure of ejection thus to taking outThe pollutants such as the oily wax on beam hanger carry out lift-off processing, and by the oily wax under peeling off etc. by exterior liquid outlet rowGo out cylinder body. In the time sucker rod being carried out to lower beam processing, the lower beam centralizer of truncated cone-shaped inner chamber will be there isBe arranged on the first through hole, plug be arranged on the second through hole simultaneously, can realize equally above-mentioned reducing workThe righting effect of tool ensures that well liquid can be not excessive simultaneously, but is exported and discharged cylinder body by exterior liquid.In addition, the utility model embodiment has the lower beam lifter cavity of truncated cone-shaped structure by setting, for above-mentioned differentImportant effect is also played in the righting of footpath instrument. The pollution control device visible, the utility model embodiment provides,Not only can be arranged on production tree master valve top, and not need human assistance to carry out the processing of oil extraction de-waxing, withTime better for the righting effect of reducing instrument, it is simple in structure, is convenient to large-scale promotion application.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, will describe embodiment belowIn the accompanying drawing of required use be briefly described, apparently, the accompanying drawing in the following describes is only thisSome embodiment of utility model, for those of ordinary skill in the art, are not paying creative workPrerequisite under, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is in the pollution control device of the actuating oil-pumping unit that provides of the utility model embodiment, cylinder bodyStructural representation;
Fig. 2 is that the pollution control device of the actuating oil-pumping unit that provides of the another embodiment of the utility model rises in sucker rodStructural representation when bar state;
Fig. 3 is that the pollution control device of the actuating oil-pumping unit that provides of the another embodiment of the utility model is under sucker rodStructural representation when bar state;
Fig. 4 is in the pollution control device of the actuating oil-pumping unit that provides of the another embodiment of the utility model, lance headStructural representation.
Reference numeral represents respectively:
1 cylinder body,
101 second through holes,
102 exterior liquid outlets,
103 clamp connection heads,
104 lower beam lifter cavities,
2 lids,
201 first through holes,
202 draw rings,
3 bar centralizers,
301 upper cavities,
302 lower chambers,
4 lower beam centralizers,
5 lance heads,
501 cylindrical body,
502 liquid pass holes,
503 pore shower nozzles,
6 plugs.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing to thisUtility model embodiment is described in further detail.
As shown in accompanying drawing 1, accompanying drawing 2 and accompanying drawing 3, the utility model embodiment provides a kind of actuating oil-pumping unitPollution control device, comprise cylinder body 1, be arranged on the lid 2 on cylinder body 1 top, further,This pollution control device also comprises: play bar centralizer 3, lower beam centralizer 4, lance head 5, plug 6. Wherein,Lid 2 middle parts are provided with the first through hole 201, for bar centralizer 3 or lower beam centralizer 4 have been installed; CylinderThe following side of shape body 1 is provided with the second through hole 101 and exterior liquid exports 102, the second through holes 101 for peaceDress lance head 5 or plug 6; The bottom of cylinder body 1 is provided with clamp connection 103, adopts for connectingOil tree master valve, is also provided with the lower beam lifter cavity 104 of truncated cone-shaped structure in clamp connection 103, internal diameter byUnder going up extremely, reduce gradually; Play the inner chamber of bar centralizer 3 by upper cavity 301 and the lower chamber 302 of truncated cone-shaped structureForm, the internal diameter of upper cavity 301 from top to bottom reduces gradually, and the internal diameter of lower chamber 302 from top to bottom graduallyIncrease, and the minimum diameter of upper cavity 301 and lower chamber 302 is all identical with maximum inner diameter; Lower beam centralizer 4Inner chamber consistent with the structure of lower beam lifter cavity 104.
The pollution control device of the actuating oil-pumping unit that the utility model embodiment provides, by clamp connection 103 withThe flange hoop of production tree master valve is connected, so that this pollution control device is arranged on production tree master valveSide. As shown in Figure 2, in the time that sucker rod is played to bar, a bar centralizer 3 in Bidirectional stabilizing chamber will be there isBe arranged on the first through hole 201, lance head 5 be arranged on the second through hole 101 simultaneously, to ensure bandThe reducing instrument that has nylon wax wiper, stop and centralizer etc. to be greater than sucker rod body diameter is effectively held upJust, prevent they when up by scratch. Meanwhile, use lance head 5 to be connected with external water flood pipeline, canUtilize thus ejection current with pressure the pollutants such as the oily wax on sucker rod are carried out to lift-off processing, and by shellFrom under oily wax etc. discharge cylinder bodies 1 by exterior liquid outlet 102. As shown in Figure 3, when to sucker rodWhile carrying out lower beam processing, the lower beam centralizer 4 with truncated cone-shaped inner chamber is arranged on the first through hole 201,Plug 6 is arranged on the second through hole 101 simultaneously, can realizes equally the righting effect to above-mentioned reducing instrument,Ensure that well liquid can be not excessive simultaneously, discharge cylinder body 1 but export 102 by exterior liquid. In addition, originallyUtility model embodiment has the lower beam lifter cavity 104 of truncated cone-shaped structure by setting, for above-mentioned reducing instrumentRighting also play important effect. The pollution control device visible, the utility model embodiment provides, not only canTo be arranged on production tree master valve top, and do not need human assistance to carry out the processing of oil extraction de-waxing, simultaneously forThe righting effect of reducing instrument is better, and it is simple in structure, is convenient to large-scale promotion application.
Particularly, cylinder body 1 top is threaded with lid 2; The first through hole 201 on lid 2Be threaded with a bar centralizer 3 or lower beam centralizer 4; The second through hole 101 on cylinder body 1 withLance head 5 or plug 6 are threaded. Specifically, can arrange outside first on cylinder body 1 topScrew thread, and first internal thread that matches with the first external screw thread is set on lid 2, by the first external screw thread andThe spiral of the first internal thread coordinates, and realizes being threaded between cylinder body 1 top and lid 2. WithSample ground, arranges the second internal thread on the inwall of the first through hole 201 that can be on lid 2, correspondingly,Rise on the outer wall of bar centralizer 3 or lower beam centralizer 4 the second external screw thread matching with the second internal thread be set,Coordinate with the second externally threaded spiral by the second internal thread, realize the first through hole 201 on lid 2 and riseBeing threaded between bar centralizer 3 or lower beam centralizer 4. Can be on cylinder body 1 second logicalThe 3rd internal thread is set on the inwall in hole 101, on the outer wall of lance head 5 or plug 6 with the 3rd internal threadThe 3rd external screw thread matching, coordinates with the 3rd externally threaded spiral by the 3rd internal thread, realizes cylindrical shapeBeing threaded between the second through hole 101 on body 1 and lance head 5 or plug 6. By as above arranging,So that in the time playing bar or lower beam operation, different parts are installed according to the actual requirements.
It will be appreciated by persons skilled in the art that the outline knot of bar centralizer 3 and lower beam centralizer 4Structure is consistent with the inner-cavity structure of the first through hole 201 on lid 2, the outline knot of lance head 5 and plug 6Structure is consistent with the inner-cavity structure of the second through hole 101, with ensured bar centralizer 3 and lower beam centralizer 4 withThe first through hole 201, and sealing between lance head 5 and plug 6 and the second through hole 101.
Particularly, in the utility model embodiment, what lid 2 was bottom opening is columnar structured, lid 2External diameter be 290-300mm, internal diameter is 250-260mm, the degree of depth is 50-60mm, top thickness is10-15mm. The internal diameter of cylinder body 1 is 250-260mm, and wall thickness is 15-25mm, and the degree of depth is300-320mm. The internal diameter of exterior liquid outlet 102 is 110-130mm. Be understandable that, exterior liquid goes outMouthfuls 102 can be connected with fixing liquid trap or the annular space of withdrawing oil sleeve pipe so that by oil,The materials such as wax, well liquid are outer being discharged to wherein directly. Being understandable that, to the greatest extent can in the position of exterior liquid outlet 102Energy ground is near the bottom of cylinder body 1, so that the materials such as whole oil, wax, well liquid are discharged.
Further, be symmetrically arranged with two draw rings 202 in the over top of lid 2, so that lift or revolveHub cap body 2.
Further, in the utility model embodiment, the minimum diameter of upper cavity 301 and lower chamber 302 is equalEqual the latus rectum of production tree master valve; The maximum inner diameter of upper cavity 301 and lower chamber 302 is equal to production treeThe maximum outside diameter sum of the latus rectum of master valve and sucker rod deducts the body diameter of sucker rod again. Upper cavity 301The degree of depth be the maximum inner diameter of upper cavity 301 and the difference of minimum diameter 2 times (slope forming is than being 1:2);The degree of depth of lower chamber 302 is that the maximum inner diameter of lower chamber 302 and the difference of minimum diameter 4 times (formSlope is than being 1:4). The minimum diameter of the inner chamber of lower beam centralizer 4 and lower beam lifter cavity 104 is equal to production treeThe latus rectum of master valve; The maximum inner diameter of the inner chamber of lower beam centralizer 4 and lower beam lifter cavity 104 is equal to oil recoveryThe tree latus rectum of master valve and the maximum outside diameter sum of sucker rod deduct the body diameter of sucker rod again. By as aboveArrange, first can ensure entering smoothly of sucker rod, meanwhile, can not only solve in the descending process of sucker rod because ofDerrick not just, crank etc. and occur sucker rod phenomenon placed in the middle, and then solve sucker rod and occur when descendingThe phenomenons such as extension touches, wipes off, scratch, can also be to being greater than the body diameter of sucker rod in the up process of sucker rodReducing instrument carry out righting, prevent that sucker rod from being wiped off or scratch by little entrance in up process.
Be understandable that, in the utility model embodiment, the latus rectum of described production tree master valve refers toThe minimum diameter of production tree master valve, the maximum outside diameter of sucker rod refer on the sucker rod body of rod entrained asThe maximum gauge of the reducing instruments such as nylon wax wiper, nylon stop, the body diameter of sucker rod refers to be taken outThe minimum diameter of beam hanger body.
Further particularly, as shown in Figure 4, lance head 5 comprises cylindrical body 501, is arranged on verticallyThe liquid pass hole 502 at cylindrical body 501 middle parts, is arranged on the pore shower nozzle 503 of cylindrical body 501 inner ends;Wherein, cylindrical body 501 is threaded with the second through hole 101, and the outer end of cylindrical body 501 is with outsideWaterflood-transmission line is threaded. The utility model embodiment is by making the outer end of cylindrical body 501 of lance head 5Portion and external water flood pipeline, for example water injecting pump pipeline is threaded, so that logical successively by liquid outside and that comeSpend the night hole and pore shower nozzle 503 sprays, and forms band jet flow, thereby comes things such as the oily waxes on sucker rodMatter is carried out lift-off processing. Particularly, in order to improve speed and the impulsive force with jet flow, liquid pass hole 502Internal diameter is preferably the 1/3-1/2 of external water flood pipeline internal diameter, and pore shower nozzle 503 preferably has multiple internal diameters and isThe pore of 1mm. Be understandable that, the position of the second through hole 101, that is to the greatest extent can in the position of lance head 5Can ground near lower lifter cavity place, so that whole materials such as oil, wax is fully stripped down and from exterior liquidOutlet is released.
Further, in boll-weevil hanger the upper surface of oil pipe connecting short section to the flange card of production tree master valveBetween a hoop lower surface, there is the spatial transition of height 150 millimeter, hole deviation, Hoisting System behaviourWhen work is steady, because axle center deviation is large, there will be the major diameter such as nylon centralising device, nylon wax wiper in roofboltInstrument impacts hangs the phenomenon of touching the upper surface of connecting short section in boll-weevil hanger, and minor injury causes roofbolt qualityCycle shortens, and severe injury produces disintegrating slag sinking support valve ball and causes oil well pump to lose efficacy, based on this, and this realityThe pollution control device providing by new embodiment also can include pipe centralizer, and it has the bar of being similar to centralizerThe inner chamber of inner-cavity structure. This large footpath of upper end entrance that enters pipe centralizer is greater than production tree master valve latus rectum 5~6Millimeter, sucker rod is entering after production tree master valve upper flange hoop possibly through 25 millimeterFree space just can enter to into pipe centralizer, 25 millimeters of distances are less than nylon centralising device, nylon wax wiperEtc. the length of large footpath instrument, though the large footpath such as nylon centralising device, nylon wax wiper instrument can be completely not out of controlHave the possibility of moment free inclination, for overcoming this limited inclination, the internal diameter of its lower end entrance is slightly larger than oil recoveryTree master valve latus rectum; Between 55~65 millimeters of the focal lengths of its epicoele, slope, than more than 1:14, is beneficial to barPost quick and stable enters, and has improved with righting effect fashionable under the reducing instruments such as nylon wax wiper, and it alsoHaving an effect is exactly to make the sucker rod of path rob spray hanger automatic centering, has solved sucker rod and has robbed spray suspensionDevice because of the shackle not causing between two parties after be difficult for connect problem. Enter on pipe centralizer bottom outer surface and be provided with useIn the oil tube external thread of connected pipes hanger internal thread. Middle part and above be provided with 2 above liquid pass holes603, effect one is in order to rob spray auxiliary liquid outlet fluid while being lowered to after blow-resistant hanging device for sucker rod well-flushing, effectThe 2nd, the convenient small lever fast rotational of inserting during for mounting or dismounting. Meanwhile, because production tree four-way with to be lowered toBoll-weevil hanger is same model not necessarily, and standard difference used causes plane on boll-weevil hanger to arrive oil recoveryTree upper flange hoop distance has 10 millimeter deviations again, takes into full account that this point gets minimum of a value additionalValue of risk, sets the length of pipe centralizer between 110~120 millimeters.
The foregoing is only preferred embodiment of the present utility model, not in order to limit protection of the present utility modelScope, all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improveDeng, within all should being included in protection domain of the present utility model.

Claims (10)

1. a pollution control device for actuating oil-pumping unit, comprises cylinder body, is arranged on described cylinder bodyThe lid on top, is characterized in that, described pollution control device also comprises: rise bar centralizer, lower beam centralizer,Lance head, plug;
Described lid middle part is provided with the first through hole, for described rise bar centralizer or described lower beam righting are installedDevice; The following side of described cylinder body is provided with the second through hole and exterior liquid outlet, and described the second through hole is usedIn described lance head or described plug are installed;
The bottom of described cylinder body is provided with clamp connection head, for connecting production tree master valve, described inThe lower beam lifter cavity that is also provided with truncated cone-shaped structure on clamp connection head, internal diameter from top to bottom reduces gradually;
The inner chamber of described bar centralizer is made up of upper cavity and the lower chamber of truncated cone-shaped structure, described upper cavityInternal diameter from top to bottom reduce gradually, the internal diameter of described lower chamber from top to bottom increases gradually, and described epicoeleThe minimum diameter of body and described lower chamber and maximum inner diameter are all identical;
The inner chamber of described lower beam centralizer is consistent with the structure of described lower beam lifter cavity.
2. pollution control device according to claim 1, is characterized in that, described cylinder body top withDescribed lid is threaded;
Described the first through hole on described lid and described bar centralizer or described lower beam centralizer screw thread connectConnect;
Described the second through hole on described cylinder body is threaded with described lance head or described plug.
3. pollution control device according to claim 2, is characterized in that, described lid is bottom openingColumnar structured, the external diameter of described lid is 290-300mm, and internal diameter is 250-260mm, and the degree of depth is 50-60Mm, top thickness is 10-15mm.
4. pollution control device according to claim 3, is characterized in that, the internal diameter of described cylinder bodyFor 250-260mm, wall thickness is 15-25mm, and the degree of depth is 300-320mm.
5. pollution control device according to claim 3, is characterized in that, the over top pair of described lidClaim to be provided with two draw rings.
6. pollution control device according to claim 4, is characterized in that, the internal diameter of described exterior liquid outletFor 110-130mm.
7. pollution control device according to claim 1, is characterized in that, described upper cavity and described cavity of resorptionThe minimum diameter of body is equal to the latus rectum of described production tree master valve; Described upper cavity and described lower chamber areLarge diameter is equal to the latus rectum of described production tree master valve and the maximum outside diameter sum of sucker rod and takes out described in deducting againThe body diameter of beam hanger.
8. pollution control device according to claim 7, is characterized in that, the degree of depth of described upper cavity is instituteState the maximum inner diameter of upper cavity and the difference of minimum diameter 2 times; The degree of depth of described lower chamber is described lower chamberMaximum inner diameter and 4 times of the difference of minimum diameter.
9. pollution control device according to claim 8, is characterized in that, the inner chamber of described lower beam centralizerBe equal to the latus rectum of described production tree master valve with the minimum diameter of described lower beam lifter cavity; Described lower beam rightingThe latus rectum that the maximum inner diameter of the inner chamber of device and described lower beam lifter cavity is equal to described production tree master valve with described inThe maximum outside diameter sum of sucker rod deducts the body diameter of described sucker rod again.
10. pollution control device according to claim 1, is characterized in that, described lance head comprises cylindricalityBody, is arranged on the liquid pass hole at described cylindrical body middle part vertically, is arranged on described cylindrical body inner endPore shower nozzle;
Described cylindrical body is connected with described the second through hole whorl, the outer end of described cylindrical body and outside noteWater pipeline is threaded.
CN201521018098.XU 2015-12-09 2015-12-09 Dirty device of accuse of having played sucker rod down Active CN205297400U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521018098.XU CN205297400U (en) 2015-12-09 2015-12-09 Dirty device of accuse of having played sucker rod down

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Application Number Priority Date Filing Date Title
CN201521018098.XU CN205297400U (en) 2015-12-09 2015-12-09 Dirty device of accuse of having played sucker rod down

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Publication Number Publication Date
CN205297400U true CN205297400U (en) 2016-06-08

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110043213A (en) * 2019-04-12 2019-07-23 中国石油天然气股份有限公司 Sucker rod well head protector
CN113653466A (en) * 2020-05-12 2021-11-16 中国石油天然气股份有限公司 Sucker rod pulling-out device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110043213A (en) * 2019-04-12 2019-07-23 中国石油天然气股份有限公司 Sucker rod well head protector
CN113653466A (en) * 2020-05-12 2021-11-16 中国石油天然气股份有限公司 Sucker rod pulling-out device
CN113653466B (en) * 2020-05-12 2023-02-24 中国石油天然气股份有限公司 Sucker rod pulling-out device

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