CN218794089U - Sand and scale sedimentation cyclone separation device - Google Patents

Abstract

The utility model relates to a beam-pumping unit lifts technology and supporting technical field, a sand and dirt sedimentation cyclone device is disclosed, through assembling the rotatory separator in whole section of thick bamboo formula oil-well pump below, the rotatory separator has separated well liquid, make the lower extreme with the sand and dirt through the rotatory separator flow in to the sand setting tail pipe in, the well liquid after will separating through the effect of whole section of thick bamboo formula oil-well pump inhales to whole section of thick bamboo formula oil-well pump in, through separating the sand and dirt, thereby reduced the probability that solid particle got into whole section of thick bamboo formula oil-well pump, avoid the card pump, jam and leakage.

Description

Sand and scale sedimentation cyclone separation device

Technical Field

The utility model relates to a beam-pumping unit lifts technology and supporting technical field, specifically is a sand and dirt subsides cyclone.

Background

Along with the increasingly poor well condition of oil field development, sand production and scaling become more serious, and well bore management is not in place, leads to the oil-well pump to appear the circumstances of jamming, runner jam frequently in the operation process, seriously influences the life of oil recovery system, and the inspection pump expense constantly increases. At present, for the situation, special oil-well pumps such as sand-proof and antiscale oil-well pumps are generally adopted in various oil fields, and the product can reduce the pump clamping probability to a certain extent, but has higher manufacturing cost, complex structure and higher repairing and utilizing difficulty; meanwhile, the flow channel is easy to block.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects existing in the prior art, the utility model aims to provide a sand and dirt sedimentation cyclone separation device to solve the problem that the prior oil well pump cannot separate sand and liquid when pumping oil in the well _， The flow passage is easy to be blocked and the pump is easy to be blocked.

The utility model discloses a realize through following technical scheme:

the utility model provides a sand and dirt sedimentation cyclone separation device, includes whole cylinder formula oil-well pump, rotary separation device, sand setting tail pipe and sealed end cap, the drive end intercommunication rotary separation device's of whole cylinder oil-well pump top, the sand setting tail pipe is connected to rotary separation device's bottom, sealed end cap is sealed the assembly in the bottom of sand setting tail pipe.

Preferably, the drive end of the whole barrel pump is connected to the top end of the rotary separating device through a tubing nipple.

Further, the rotary separation device comprises an upper joint, an outer pipe and a separation structure; the upper joint is fixedly assembled at the top of the outer pipe and is in threaded connection with the oil pipe nipple, the separating structure is arranged inside the outer pipe, the pipe body on the upper portion of the outer pipe is arranged to be an eye pipe, a plurality of liquid inlet holes are formed in the eye pipe, and the bottom of the outer pipe is in threaded connection with a sand setting tail pipe.

Further, the separation structure comprises a central pipe, a separation pipe and a helical blade; the separation pipe is fixedly sleeved in the outer pipe and is positioned below the eye pipe, the central pipe is arranged in the separation pipe, and the top end of the central pipe is fixed on the outer pipe and is communicated with the whole barrel type oil well pump; the helical blade is sleeved on the central tube.

Furthermore, the separating pipe is provided with a plurality of sand discharge holes along the pipe body.

Furthermore, the bottom end of the separating tube is of a necking structure.

Furthermore, a necking structure at the bottom end of the separation pipe is connected with the sedimentation pipe.

Furthermore, the pipe orifice of the settling pipe is aligned with the sand setting tail pipe.

Further, the pipe diameter from the pipe corresponds to the width of the helical blade.

Further, the central tube, the separation tube and the outer tube are coaxially arranged.

Compared with the prior art, the utility model discloses following profitable technological effect has:

the utility model provides a sand and scale sedimentation cyclone separation device, through at whole barrel-type oil well pump below assembly rotatory separator, rotatory separator has separated well liquid, make the lower extreme with sand and scale through rotatory separator flow into to the sand setting tail pipe in, the well liquid after will separating through whole barrel-type oil well pump effect inhales to whole barrel-type oil-well pump in, through separating the sand and scale, thereby reduced the probability that solid particle got into whole barrel-type oil-well pump, avoid blocking the pump, jam and leakage.

Furthermore, the driving end of the whole cylinder type oil well pump is connected to the top end of the rotary separation device through the oil pipe short joint, the stability of connection of the whole cylinder type oil well pump and the rotary separation device is guaranteed, and the sedimentation efficiency of cyclone separation is improved.

Further, the rotary separation device comprises an upper joint, an outer pipe and a separation structure; the top connection fixed mounting is at the top of outer tube, top connection and oil pipe nipple joint threaded connection, and the isolating construction sets up inside the outer tube, and the body on outer tube upper portion sets up to the eyetube, has seted up a plurality of feed liquor holes on the eyetube, and fluid gets into to the outer tube through a plurality of feed liquor holes to separate through isolating construction, improved separation efficiency, outer tube bottom threaded connection grit tail pipe, the sand scale after the separation of being convenient for falls into to the grit tail pipe in.

Furthermore, the separation structure comprises a central pipe, a separation pipe and helical blades, the central pipe sucks separated well fluid through the whole barrel type oil pump, and when oil passes through the helical blades, sand in the oil is thrown to the separation pipe wall, so that the separation efficiency is improved.

Furthermore, the separating tube is provided with a plurality of sand discharge holes along the tube body, so that small-particle sand scale can be discharged through the sand discharge holes, the separation efficiency is improved, and the pump blockage is avoided.

Furthermore, the bottom of separator tube is the throat structure, and connects the sedimentation tube in the throat structure department of the bottom of separator tube, and the mouth of pipe of sedimentation tube aims at the sand setting tail pipe for the sand sediment that separates can be accurate flow into in the sand setting tail pipe, avoid the sand sediment to inhale through the center tube and cause the card pump to the whole section of thick bamboo formula oil-well pump in.

Furthermore, the pipe diameter of separator tube corresponds with helical blade's width, and is effectual to fluid separation, avoids the sand and dirt to cause the card pump in inhaling to whole barrel-type oil-well pump through the center tube.

Drawings

FIG. 1 is a schematic connection diagram of a medium sand sedimentation cyclone separation device of the utility model;

fig. 2 is a schematic structural view of the middle rotating separation device of the present invention.

In the figure: 1-whole cylinder type oil well pump; 2-oil pipe short section; 3-rotating the separation device; 4-sand setting tail pipe; 5-sealing the plug; 31-upper joint; 32-an outer tube; 33-a central tube; 34-a separation tube; 35-sand drain holes; 36-eye tube; 37-liquid inlet hole; 38-helical blades; 39-settling tube.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The present invention will be described in further detail with reference to the accompanying drawings:

an object of the utility model is to provide a sand and dirt sedimentation cyclone to solve current oil-well pump in when taking out the fluid in the pit, unable sand-liquid separation _， The flow passage is easy to be blocked and the pump is easy to be blocked. The device has simple structure and convenient operation, and is an anti-scaling device used in complex well conditions such as scaling, sand production and the like. The device is arranged at the lower end of a common oil well pump, effectively separates and settles solid particles such as sand and dirt in well fluid, reduces the pump feeding probability, and thus achieves the purpose of reducing pump blockageAnd the purpose of plugging.

Specifically, as shown in fig. 1, the sand sedimentation cyclone separation device comprises a whole cylinder type oil well pump 1, a rotary separation device 3, a sand setting tail pipe 4 and a sealing plug 5, wherein the driving end of the whole cylinder type oil well pump 1 is communicated with the top end of the rotary separation device 3, the bottom end of the rotary separation device 3 is connected with the sand setting tail pipe 4, and the sealing plug 5 is hermetically assembled at the bottom of the sand setting tail pipe 4.

Concretely, the drive end of whole cylinder formula oil-well pump 1 is connected to the top of rotatory separator 3 through oil pipe nipple joint 2, has guaranteed the stability that whole cylinder formula oil-well pump and rotatory separator are connected, has improved and has subsided efficiency to the cyclone.

Wherein, according to fig. 2, the rotating separating device 3 comprises an upper joint 31, an outer tube 32 and a separating structure; the top connection 31 fixed mounting is at the top of outer tube 32, top connection 31 and 2 threaded connection of oil pipe nipple joint, the isolating construction sets up inside outer tube 32, and the body on outer tube 32 upper portion sets up to eye pipe 36, a plurality of feed liquor holes 37 have been seted up on the eye pipe 36, and fluid gets into to the outer tube in through a plurality of feed liquor holes to separate through isolating construction, improved separation efficiency, outer tube 32 bottom threaded connection sand setting tail pipe 4, the sand scale after the separation of being convenient for falls into to the sand setting tail pipe in.

Wherein, according to fig. 2, the separating structure comprises a central tube 33, a separating tube 34 and a helical blade 38; the separation tube 34 is fixedly sleeved inside the outer tube 32 and is positioned below the eye tube 36, the central tube 33 is arranged inside the separation tube 34, and the top end of the central tube is fixed on the outer tube 32 and is communicated with the whole barrel type oil well pump 1; the helical blade 38 is sleeved on the central tube 33, the central tube sucks separated well fluid through the whole barrel type oil pump, and sand in the oil is thrown to the separation tube wall when the oil passes through the helical blade, so that the separation efficiency is improved.

Wherein, a plurality of sand discharge holes 35 have been seted up along the body to separator 34, are convenient for discharge the sand and dirt of tiny granule through the sand discharge hole, have improved separation efficiency, have avoided the card pump.

Wherein, the bottom of separator tube 34 is the throat structure, and the throat structure department of the bottom of separator tube 34 connects sedimentation tube 39, and the mouth of pipe of sedimentation tube 39 aims at sand setting tail pipe 4 settings for the sand sediment that separates can be accurate flow into in the sand setting tail pipe, avoid the sand sediment to inhale through the center tube and cause the card pump to the whole section of thick bamboo oil-well pump in.

Specifically, the pipe diameter of separator 34 corresponds with helical blade 38's width, and is effectual to fluid separation, avoids the sand and dirt to inhale through the center tube and causes the card pump in the whole section of thick bamboo formula oil-well pump.

Specifically, the center pipe 33, the separation pipe 34, and the outer pipe 32 are coaxially disposed.

The utility model provides a pair of sand and dirt sedimentation cyclone device when using:

well liquid enters the outer pipe 32 through the liquid inlet hole 27 of the eye pipe 36 and flows into the separation pipe 34, sand in the well liquid is separated from the well liquid through the helical blade 38 in the separation pipe 34, small particles in the sand are discharged into the inner wall of the outer pipe 32 through the sand discharge hole 35 in the separation pipe 34 and descend into the sand setting tail pipe 4 through self gravity, large particles in the sand and the well liquid are separated and then flow into the sand setting tail pipe 4 through the settling pipe 39, the separated well liquid is sucked into the whole cylinder type oil well pump 1 through the central pipe 33 under the action of the whole cylinder type oil well pump 1, and the sand and sand rotational flow settling separation work is completed.

The utility model discloses cyclone separation subsides device under pump's effect lies in: well liquid enters the annular diversion trench of the central pipe through the liquid inlet hole, fixed particles are thrown out, enter the annular sand settling channel of the separating pipe and the outer pipe through the sand discharge hole of the separating pipe, and sink into the oil pipe for collection; the separated well fluid is sucked into the oil well pump through the inner hole of the central tube. The probability of solid particles entering the pump is reduced from the surface, and pump blockage, blockage and leakage are avoided.

To sum up, the utility model provides a sand and scale sedimentation cyclone separation device, through at whole section of thick bamboo formula oil-well pump below assembly rotatory separator, rotatory separator has separated well liquid for in flowing into the sand setting tail pipe with sand and scale through rotatory separator's lower extreme, through whole section of thick bamboo formula oil-well pump effect with the well liquid after separating in sucking to whole section of thick bamboo formula oil-well pump, through separating the sand and scale, thereby reduced the probability that solid particle got into whole section of thick bamboo formula oil-well pump, avoided the card pump, blockked up and the loss. The device replaces the original liquid inlet pore canals such as an eye canal or a floral canal.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents of the embodiments of the invention may be made without departing from the spirit and scope of the invention, which should be construed as falling within the scope of the claims of the invention.

Claims (10)

1. The utility model provides a sand and dirt sedimentation cyclone separation device, its characterized in that, includes whole cylinder oil-well pump (1), rotary separation device (3), sand setting tail pipe (4) and sealed end cap (5), the drive end intercommunication rotary separation device's of whole cylinder oil-well pump (1) top of (3), sand setting tail pipe (4) are connected to rotary separation device's (3) bottom, sealed end cap (5) seal assembly is in the bottom of sand setting tail pipe (4).

2. A sand and scale settling cyclone separating device according to claim 1, wherein the drive end of the whole barrel type oil well pump (1) is connected to the top end of the rotary separating device (3) through an oil pipe nipple (2).

3. A sand and scale settling cyclone separating device according to claim 2, characterized in that the rotating separating device (3) comprises an upper joint (31), an outer pipe (32) and a separating structure; the top connection (31) fixed mounting is at the top of outer tube (32), top connection (31) and oil pipe nipple joint (2) threaded connection, the setting of separation structure is inside outer tube (32), and the body on outer tube (32) upper portion sets up to eye pipe (36), a plurality of feed liquor holes (37) have been seted up on eye pipe (36), outer tube (32) bottom threaded connection sand setting tail pipe (4).

4. A sand and scale settling cyclone separating device according to claim 3 wherein the separating structure comprises a central tube (33), a separating tube (34) and a helical blade (38); the separation pipe (34) is fixedly sleeved in the outer pipe (32) and is positioned below the eye pipe (36), the central pipe (33) is arranged in the separation pipe (34), and the top end of the central pipe is fixed on the outer pipe (32) and is communicated with the whole-cylinder oil well pump (1); the helical blade (38) is sleeved on the central tube (33).

5. A sand and scale settling cyclone separating device according to claim 4, wherein the separating tube (34) is provided with a plurality of sand discharge holes (35) along the tube body.

6. Sand and scale settling cyclonic separating apparatus as claimed in claim 4, wherein the bottom end of the separator tube (34) is of a necked-down configuration.

7. A sand and scale settling cyclone separating device according to claim 6, wherein the settling tube (39) is connected to the bottom end of the separating tube (34) at the position of the necking structure.

8. A sand and scale settling cyclone separator according to claim 7, wherein the mouth of the settling tube (39) is aligned with the sand settling tailpipe (4).

9. Sand and scale settling cyclonic separating apparatus as claimed in claim 4, wherein the diameter of the separating tube (34) corresponds to the width of the helical blade (38).

10. A sand and scale settling cyclone separating device according to claim 4, wherein the central pipe (33), the separating pipe (34) and the outer pipe (32) are coaxially arranged.

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