CN202343336U - Ultrahigh-pressure cyclone desanding device - Google Patents
Ultrahigh-pressure cyclone desanding device Download PDFInfo
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- CN202343336U CN202343336U CN2011204815198U CN201120481519U CN202343336U CN 202343336 U CN202343336 U CN 202343336U CN 2011204815198 U CN2011204815198 U CN 2011204815198U CN 201120481519 U CN201120481519 U CN 201120481519U CN 202343336 U CN202343336 U CN 202343336U
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- eddy flow
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Abstract
The utility model discloses an ultrahigh-pressure cyclone desanding device, which comprises an end cover, a desanding barrel, a sand collecting barrel and a sand discharging pipe section which are all connected from top to bottom. A jet flow inlet and a jet flow outlet are vertically distributed on the surface of the wall of the desanding barrel in a stagger mode. An anti-scour barrel and a cyclone barrel are embedded in the cavity of the desanding barrel, and a hole communicated with the jet flow outlet is arranged on the surface of the wall of the anti-scour barrel. The cyclone barrel is provided with an upper cylindrical cyclone cavity and a lower conic separation cavity, a tangential hole communicated with the jet flow inlet is arranged on the surface of the wall of the upper cylindrical cyclone cavity, a separation cover plate is arranged on the barrel top of the upper cylindrical cyclone cavity, an overflowing tube is arranged in the middle of the separation cover plate, and a sand setting port is arranged at the conic bottom of the lower conic separation cavity. A sand discharging port is arranged at the bottom of the cavity of the sand collecting barrel, and a high-pressure spray nozzle is arranged above the sand discharging port. The ultrahigh-pressure cyclone desanding device is high in desanding efficiency, small in sand discharging labor strength, large in treatment scope and capable of long-time stably working under high-pressure work conditions and strong corrosion environments.
Description
Technical field
The utility model relates to oil gas well extraction liquid desanding device, refers to a kind of super-pressure eddy flow desanding device particularly.
Background technology
In the crude oil production testing operation, from the oil gas well, flow in the fluid on ground and contain a certain amount of sand grains, under the gas high-speed motion, form and contain the sand jet at a high speed.This sand jet that contains forms very serious erosion and abrasion destruction to ground gathering line and equipment, even possibly pierce through pipeline fitting, and leakage accident takes place, and influences oilfield safety production, causes surrounding environment severe contamination and unnecessary economic loss.
Therefore, oil gas well extraction liquid needs the well head desanding device is installed before getting into surface gathering system, and extraction liquid is carried out the desanding operation, and solid particles such as sand grains are separated as far as possible.At present, the desanding device that uses on the oil field roughly is divided into two kinds according to desanding principle difference, i.e. filtering type desanding device and spiral-flow type desanding device.The filtering type desanding device can filter a certain size solid particle through built-in filter sand tube; But because the restriction of himself structure; This device can't be realized automatic sediment outflow, and when the well stream sand content is big, can not in time clear up the filter sand tube; Exist desanding efficiency not high, the deficiency that sediment outflow labour intensity is big.The spiral-flow type desanding device is used for oil-gas gathering and transportation system mostly, and its operating pressure is generally lower, and decay resistance is relatively poor, can not change the physical dimension in its cyclonic separation chamber according to the requirement of well stream treating capacity and partition size, and process range is limited.
Summary of the invention
The purpose of the utility model be exactly to provide that a kind of desanding efficiency is high, sediment outflow labour intensity is little, the processing operation scope big and can be under high pressure operating mode and strong corrosive environment the super-pressure eddy flow desanding device that moves steady in a long-term.
For realizing above-mentioned purpose, the super-pressure eddy flow desanding device that the utility model designed comprises the end cap, desanding tube, collection sand tube and the sediment outflow pipeline section that link to each other successively from top to bottom.The barrel upper and lower dislocation in surface of said desanding tube is furnished with jet import and jet exit; Be equipped with erosion control tube and disconnectable whirl cylinder in the inner chamber of said desanding tube from top to bottom successively, the barrel surface of said erosion control tube is provided with the borehole that communicates with jet exit.Said whirl cylinder has last cylindrical shape eddy flow chamber and following conical disengagement chamber; Said barrel surface of going up cylindrical shape eddy flow chamber is provided with the tangential borehole that communicates with the jet import; Said tube top of going up cylindrical shape eddy flow chamber is provided with the isolation cover plate; The centre of said isolation cover plate is provided with the overflow pipe that communicates with the erosion control tube, is provided with at the bottom of the awl of said down conical disengagement chamber and collects the spigot that the sand tube communicates.The intracavity bottom of said collection sand tube is provided with the sand removing hole that communicates with the sediment outflow pipeline section; The top of said sand removing hole is provided with high-pressure nozzle; Said high-pressure nozzle links to each other with a end of hydraulic pipeline in being arranged on sediment outflow pipeline section inner chamber, and the other end of said hydraulic pipeline links to each other with external interface on the sediment outflow pipeline section sidewall.
Further, the barrel of said collection sand tube is provided with leakage fluid dram, and leakage fluid dram is externally connected to drain line and is provided with the pressure discharge control valve.Like this, can before the sediment outflow operation, open the pressure discharge control valve, the high pressure drop in the collection sand tube to allowable value, is guaranteed sediment outflow job safety reliability service.
Further, the intracavity bottom of said collection sand tube is the inversed taper platform structure, and the edge circumferentially is evenly equipped with the hacking that communicates with sand removing hole in the said inversed taper platform structure.Like this, be convenient to when the sediment outflow operation, make the sand aqueous mixtures to get into sand removing hole through hacking swimmingly, discharge by the sediment outflow pipeline section again.
Again further, circumferentially locate through the keyway fit structure between the intracavity bottom of said high-pressure nozzle and collection sand tube.To guarantee the high-pressure nozzle firm position, can bear the huge anti-force of water under high pressure, working stability is reliable.
Further, the top of said erosion control tube and end cap butt, the bottom of said erosion control tube with isolate the cover plate butt, can satisfy the needs of whirl cylinder axial location.The inwall of said desanding tube is provided with ring-shaped step, said ring-shaped step and isolate between the outward flange of cover plate and circumferentially locate through the keyway fit structure, thus guarantee the separating effect of whirl cylinder.
Further, the surface of internal cavity of said whirl cylinder is coated with the wear-resistant ceramic layer.Like this, can guarantee that it has good wear resistance and corrosion resistance, prolong the working life of equipment.
The operation principle of the utility model is such: when the desanding operation, well stream is injected the last cylindrical shape eddy flow chamber of whirl cylinder by the jet import tangential of desanding tube, under action of centrifugal force, realizes cyclonic separation.Well stream after the desanding is upwards through isolating after overflow pipe on the cover plate gets into the erosion control tube, flows to downstream from the jet exit of desanding tube.Solid phase particles such as the sand grains in the well stream and part oil, water fall into collection sand tube through the spigot of whirl cylinder, and after oil, water were full of collection sand tube, liquid phase medium turned to through overflow pipe and flows out in the well stream.Sedimentation in the liquid phase medium of solid particles such as sand grains in collection sand tube, and in infall process, obtain cleaning.When the sand stack height in the collection sand tube during, need carry out the sediment outflow operation: close the jet import of desanding tube this moment, open the pressure discharge control valve on the drain line of collection sand tube top, close after cylinder internal pressure is reduced to allowable value near the spigot of whirl cylinder.Open the control valve on high-pressure nozzle and the sediment outflow pipeline section then; Water under high pressure is injected the cylindrical shell from collection sand tube inner chamber bottom; Become after near the high-pressure nozzle sand heap water content improves and be easy to flow or fluidization; Under the effect of cylinder internal pressure, the sand aqueous mixtures gets into the sediment outflow pipeline section through the sand removing hole of high-pressure nozzle below, is discharged by the sediment outflow pipeline section.Sand piles up and constantly fills up the space, below under the gravity effect in the tube, until discharging fully.
Compare with existing well head desanding device; The utlity model has following advantage: the detachable desanding tube that is fixed on heavy wall of the whirl cylinder that designs inner; It is simple in structure, with low cost; Can either under hyperpressure, effectively carry out well stream desanding operation, can change flexibly according to the requirement of well stream treating capacity and partition size again; The whirl cylinder that designs form by last cylindrical shape eddy flow chamber and following conical disengagement chamber; Two parts function is clearly demarcated up and down; Its inner surface applies the wear-resistant ceramic layer; Both can guarantee solid particle rapid subsidence such as the sand grains separation in the well stream, can guarantee again that whirl cylinder had good wear and corrosion behavior, prolong the equipment life cycle; Design can the sand washing of inject high pressure water at the high-pressure nozzle of collection sand tube inner chamber bottom, carries out automatic sediment outflow operation, improves sediment outflow efficient, reduces manual work labour intensity; All parts all adopt anti-sulphur material manufacturing, can be under the hyperbaric environment that contains the H2S etchant gas long-term stable operation.
Description of drawings
Fig. 1 is a kind of overall assembly structure sketch map of super-pressure eddy flow desanding device.
Fig. 2 is an A-A sectional structure sketch map among Fig. 1.
Fig. 3 is the detailed indicating arrangement sketch map of desanding tube among Fig. 1.
Fig. 4 is the detailed indicating arrangement sketch map of erosion control tube among Fig. 1.
Fig. 5 is the detailed indicating arrangement sketch map of whirl cylinder among Fig. 1.
Fig. 6 is the detailed indicating arrangement sketch map of collection sand tube among Fig. 1.
Fig. 7 is a B-B sectional structure sketch map among Fig. 6.
Fig. 8 is the detailed indicating arrangement sketch map of sediment outflow pipeline section among Fig. 1.
The specific embodiment
In order to make the utility model technical problem to be solved, technical scheme and beneficial effect clearer, the utility model is done further to specify below in conjunction with accompanying drawing and embodiment.Specific embodiment described herein is only in order to explaining the utility model, and is not used in qualification the utility model.
Super-pressure eddy flow desanding device shown in the figure comprises the end cap 1, desanding tube 7, collection sand tube 8 and the sediment outflow pipeline section 10 that link to each other successively from top to bottom.Between end cap 1 and desanding tube 7 upper ends, all adopt clip 4 to be fixedly connected between desanding tube 7 lower ends and collection sand tube 8 upper ends, its contact end face seals through O RunddichtringO 3.Adopt bolt to be connected between collection sand tube 8 lower ends and the sediment outflow pipeline section 10, metallic gasket seals.
The barrel upper and lower dislocation in surface at desanding tube 7 is furnished with jet import 7.1 and jet exit 7.2.Between jet import 7.1 and jet exit 7.2, be provided with ring-shaped step 7.3 on desanding tube 7 inwalls.Erosion control tube 5 and whirl cylinder 6 are installed in the inner chamber of desanding tube 7 from top to bottom successively.
Whirl cylinder 6 comprises cylindrical shape eddy flow chamber 6.1 and following conical disengagement chamber 6.2, and its surface of internal cavity is coated with the wear-resistant ceramic layer.The barrel surface in last cylindrical shape eddy flow chamber 6.1 has the tangential borehole 6.3 that communicates with jet import 7.1, and jet import 7.1 seals through rubber seal with the fit clearance place of tangential borehole 6.3.The tube top in last cylindrical shape eddy flow chamber 6.1 is provided with and isolates cover plate 6.4, circumferentially locatees through the keyway fit structure between the outward flange of isolation cover plate 6.4 and the ring-shaped step 7.3.The centre that isolates cover plate 6.4 is provided with the overflow pipe 6.5 that communicates with erosion control tube 5, is provided with at the bottom of the awl of following conical disengagement chamber 6.2 and collects the spigot 6.6 that sand tube 8 communicates.
The top of erosion control tube 5 and end cap 1 butt, the bottom of erosion control tube 5 and isolation cover plate 6.4 butts.Like this can whirl cylinder 6 axial location are firm.The barrel surface of erosion control tube 5 is provided with the borehole 5.1 that communicates with jet exit 7.2, and the well stream after the desanding flows out from here.The isolation cover plate 6.4 of end cap 1 and whirl cylinder 6 is provided with the suspension ring 2 of being convenient to lift by crane loading and unloading.Through the air hoist lifting, can change, clear up whirl cylinder 6 easily.
The intracavity bottom of collection sand tube 8 is inversed taper platform structure 8.4, and the bottom surface of this inversed taper platform structure 8.4 is provided with the sand removing hole 8.1 that communicates with sediment outflow pipeline section 10, and the edge circumferentially is evenly equipped with the hacking 8.5 that communicates with sand removing hole 8.1 in this inversed taper platform structure 8.4.Above sand removing hole 8.1, be provided with high-pressure nozzle 9, high-pressure nozzle 9 links to each other with the threaded one end of hydraulic pipeline 11 in being arranged on sediment outflow pipeline section 10 inner chambers, and the other end of hydraulic pipeline 11 links to each other with external interface 10.1 screw threads on sediment outflow pipeline section 10 sidewalls.Between the intracavity bottom of high-pressure nozzle 9 and collection sand tube 8, be provided with the keyway fit structure, circumferentially the location is firm to make it.After opening high-pressure nozzle 9, but got into sand removing hole 8.1, get rid of smoothly through sediment outflow pipeline section 10 again by the sand grains longshore current sand launder 8.5 of water under high pressure impulsion.Barrel top at collection sand tube 8 also is provided with leakage fluid dram 8.2, and leakage fluid dram is connected with drain line and is provided with the pressure discharge control valve, can cylinder pressure be reduced to the design allowable value after, carry out the sediment outflow operation again.
During the utility model work, can two super-pressure eddy flow desanding devices be fixed in the framework, and be connected with valve member, can use three kinds of different work operating modes through pipeline.
One, non-desanding operating mode
When the well stream sand content that from the oil gas well, penetrates is low when need not desanding, can close two super-pressure eddy flow desanding devices through valve member, make well stream directly flow to downstream through pipeline.
Two, single-stage desanding operating mode
When the well stream sand content that from the oil gas well, penetrates is more when needing desanding; Two super-pressure eddy flow desanding devices are together in parallel; Be used alternatingly during operate as normal, during first super-pressure eddy flow desanding device work, second super-pressure eddy flow desanding device is in stand-by state.When the sand grains height of piling up in first super-pressure eddy flow desanding device when the spacing value, well stream switched in second super-pressure eddy flow desanding device proceed the desanding operation, and first super-pressure eddy flow desanding device gets into the sediment outflow operation, so circulates.When switching well stream,, cause comparatively difficulty of valve opening owing to the pressure reduction between two super-pressure eddy flow desanding devices is bigger.Therefore, the pressure balance pipeline can be set, the pipeline of UNICOM's two desanding tube jet exit ends, and the control needle-valve is set on the pressure balance pipeline, switch well stream again behind balance two cylinder pressures and carry out the sediment outflow operation.
Three, twin-stage desanding operating mode
Two super-pressure eddy flow desanding devices are together in series; And the whirl cylinder of different size is installed in two super-pressure eddy flow desanding devices; Make well stream earlier through the desanding of first super-pressure eddy flow desanding device; The overflow product of first super-pressure eddy flow desanding device gets into second super-pressure eddy flow desanding device, carries out secondary desanding operation.
Claims (10)
1. super-pressure eddy flow desanding device; Comprise the end cap (1), desanding tube (7), collection sand tube (8) and the sediment outflow pipeline section (10) that link to each other successively from top to bottom; It is characterized in that: the barrel upper and lower dislocation in surface of said desanding tube (7) is furnished with jet import (7.1) and jet exit (7.2); Be equipped with erosion control tube (5) and disconnectable whirl cylinder (6) in the inner chamber of said desanding tube (7) from top to bottom successively; The barrel surface of said erosion control tube (5) is provided with the borehole (5.1) that communicates with jet exit (7.2); Said whirl cylinder (6) has last cylindrical shape eddy flow chamber (6.1) and following conical disengagement chamber (6.2), and said barrel surface of going up cylindrical shape eddy flow chamber (6.1) is provided with the tangential borehole (6.3) that communicates with jet import (7.1), and said tube top of going up cylindrical shape eddy flow chamber (6.1) is provided with isolation cover plate (6.4); The centre of said isolation cover plate (6.4) is provided with the overflow pipe (6.5) that communicates with erosion control tube (5), is provided with at the bottom of the awl of said down conical disengagement chamber (6.2) and collects the spigot (6.6) that sand tube (8) communicates; The intracavity bottom of said collection sand tube (8) is provided with the sand removing hole (8.1) that communicates with sediment outflow pipeline section (10); The top of said sand removing hole (8.1) is provided with high-pressure nozzle (9); Said high-pressure nozzle (9) links to each other with a end of hydraulic pipeline (11) in being arranged on sediment outflow pipeline section (10) inner chamber, and the other end of said hydraulic pipeline (11) links to each other with external interface (10.1) on sediment outflow pipeline section (10) sidewall.
2. super-pressure eddy flow desanding device according to claim 1 is characterized in that: the barrel top of said collection sand tube (8) is provided with leakage fluid dram (8.2).
3. super-pressure eddy flow desanding device according to claim 1 and 2 is characterized in that: the intracavity bottom of said collection sand tube (8) is inversed taper platform structure (8.4), and said inversed taper platform structure (8.4) is along circumferentially being evenly equipped with the hacking (8.3) that communicates with sand removing hole (8.1).
4. super-pressure eddy flow desanding device according to claim 3 is characterized in that: circumferentially locate through the keyway fit structure between the intracavity bottom of said high-pressure nozzle (9) and collection sand tube (8).
5. super-pressure eddy flow desanding device according to claim 1 and 2 is characterized in that: the top of said erosion control tube (5) and end cap (1) butt, the bottom of said erosion control tube (5) and isolation cover plate (6.4) butt.
6. super-pressure eddy flow desanding device according to claim 5; It is characterized in that: the inwall of said desanding tube (7) is provided with ring-shaped step (7.3), circumferentially locatees through the keyway fit structure between the outward flange of said ring-shaped step (7.3) and isolation cover plate (6.4).
7. super-pressure eddy flow desanding device according to claim 1 and 2 is characterized in that: adopt between between said end cap (1) and desanding tube (7) upper end and desanding tube (7) lower end and collection sand tube (8) upper end that clip (4) is connected, O RunddichtringO (3) seals; Adopt between said collection sand tube (8) lower end and the sediment outflow pipeline section (10) that bolt is connected, metallic gasket seals.
8. super-pressure eddy flow desanding device according to claim 7 is characterized in that: the jet import (7.1) of said desanding tube (7) is provided with rubber seal with the fit clearance place of the tangential borehole (6.3) in last cylindrical shape eddy flow chamber (6.1).
9. super-pressure eddy flow desanding device according to claim 1 and 2 is characterized in that: be equipped with the suspension ring (2) of being convenient to lift by crane loading and unloading on the isolation cover plate (6.4) of said end cap (1) and whirl cylinder (6).
10. super-pressure eddy flow desanding device according to claim 1 and 2 is characterized in that: the surface of internal cavity of said whirl cylinder (6) is coated with the wear-resistant ceramic layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204815198U CN202343336U (en) | 2011-11-28 | 2011-11-28 | Ultrahigh-pressure cyclone desanding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204815198U CN202343336U (en) | 2011-11-28 | 2011-11-28 | Ultrahigh-pressure cyclone desanding device |
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| Publication Number | Publication Date |
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| CN202343336U true CN202343336U (en) | 2012-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011204815198U Expired - Lifetime CN202343336U (en) | 2011-11-28 | 2011-11-28 | Ultrahigh-pressure cyclone desanding device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103114838A (en) * | 2013-02-18 | 2013-05-22 | 武汉海王机电工程技术公司 | High-pressure automatic sand discharge device |
| CN104190146A (en) * | 2014-07-30 | 2014-12-10 | 梧州市旺捷机械制造有限公司 | Pipeline filter |
| CN104492616A (en) * | 2014-11-27 | 2015-04-08 | 天津亿利科能源科技发展股份有限公司 | Multistage parallel hydrocyclone capable of regulating flow velocity |
| CN105879482A (en) * | 2016-05-26 | 2016-08-24 | 武汉工程大学 | Spiral extruding and sand discharging device for carrying out rotational flow reinforcing and sand removing |
| CN110080703A (en) * | 2019-06-15 | 2019-08-02 | 王海峰 | A kind of pulp water separation drilling method for aperture erosion control |
| CN111188609A (en) * | 2020-02-28 | 2020-05-22 | 建湖县昊辉电力石化机械有限公司 | High-pressure wellhead rotational flow desanding device for continuous operation |
| CN112145147A (en) * | 2020-09-10 | 2020-12-29 | 武汉工程大学 | Ultrahigh pressure swirler with normal inlet and automatic sand discharge system |
| CN115199253A (en) * | 2022-07-12 | 2022-10-18 | 东北石油大学 | Self-adaptive sand removing and washing device for wellhead gathering and transportation pipeline |
-
2011
- 2011-11-28 CN CN2011204815198U patent/CN202343336U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103114838A (en) * | 2013-02-18 | 2013-05-22 | 武汉海王机电工程技术公司 | High-pressure automatic sand discharge device |
| CN103114838B (en) * | 2013-02-18 | 2015-09-16 | 武汉海王机电工程技术公司 | High-pressure automatic sand discharge device |
| CN104190146A (en) * | 2014-07-30 | 2014-12-10 | 梧州市旺捷机械制造有限公司 | Pipeline filter |
| CN104492616A (en) * | 2014-11-27 | 2015-04-08 | 天津亿利科能源科技发展股份有限公司 | Multistage parallel hydrocyclone capable of regulating flow velocity |
| CN105879482A (en) * | 2016-05-26 | 2016-08-24 | 武汉工程大学 | Spiral extruding and sand discharging device for carrying out rotational flow reinforcing and sand removing |
| CN105879482B (en) * | 2016-05-26 | 2018-03-20 | 武汉工程大学 | Strengthen Swirling flow sand-removing screw extrusion sand discharge apparatus |
| CN110080703A (en) * | 2019-06-15 | 2019-08-02 | 王海峰 | A kind of pulp water separation drilling method for aperture erosion control |
| CN111188609A (en) * | 2020-02-28 | 2020-05-22 | 建湖县昊辉电力石化机械有限公司 | High-pressure wellhead rotational flow desanding device for continuous operation |
| CN112145147A (en) * | 2020-09-10 | 2020-12-29 | 武汉工程大学 | Ultrahigh pressure swirler with normal inlet and automatic sand discharge system |
| CN115199253A (en) * | 2022-07-12 | 2022-10-18 | 东北石油大学 | Self-adaptive sand removing and washing device for wellhead gathering and transportation pipeline |
| CN115199253B (en) * | 2022-07-12 | 2023-04-25 | 东北石油大学 | Self-adaptive sand removing and washing device for wellhead gathering pipeline |
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| GR01 | Patent grant | ||
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Granted publication date: 20120725 |
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| CX01 | Expiry of patent term |