CN203145914U - Automatic high-pressure sand discharging device - Google Patents

Automatic high-pressure sand discharging device Download PDF

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Publication number
CN203145914U
CN203145914U CN2013200759179U CN201320075917U CN203145914U CN 203145914 U CN203145914 U CN 203145914U CN 2013200759179 U CN2013200759179 U CN 2013200759179U CN 201320075917 U CN201320075917 U CN 201320075917U CN 203145914 U CN203145914 U CN 203145914U
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CN
China
Prior art keywords
sand
sediment outflow
pressure
outflow pipeline
tube
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Withdrawn - After Issue
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CN2013200759179U
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Chinese (zh)
Inventor
王军
蔡天舒
刘刚
刘丰
罗家璘
唐顺杰
胡火焰
尚波
何彬
齐军
傅捷
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Wuhan Haiwang Mechanical & Electrical Engineering Technology Co Ltd
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Wuhan Haiwang Mechanical & Electrical Engineering Technology Co Ltd
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Priority to CN2013200759179U priority Critical patent/CN203145914U/en
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Abstract

The utility model discloses an automatic high-pressure sand discharging device, which comprises sand flushing discharging pipeline assembly and a sand collection tank assembly. The sand collection tank assembly comprises an end cover, a sand collection cylinder and a sand discharging pipe section. A sand grain flow channel connected with a sand inlet pipe is formed in the end cover. A sand inlet valve is arranged on the sand inlet pipe. A pressure relief outlet and a jet flow inlet are formed in the cylinder wall of the sand collection cylinder in a vertical staggered way. A pressure relief valve and a pressure gauge are arranged on a pipeline of the pressure relief outlet. A sand discharging port communicated with the sand discharging pipe section is formed in the cavity bottom of the sand collection cylinder. The sand flushing discharging pipeline assembly comprises a main sand discharging pipeline, a perpendicular sand discharging pipeline and a horizontal sand discharging pipeline, wherein the output end of the main sand discharging pipeline is connected with the input ends of the perpendicular sand discharging pipeline and the horizontal sand discharging pipeline through a three-way joint respectively; and the output end of the perpendicular sand discharging pipeline is connected with the jet flow inlet of the sand collection cylinder. The sand discharging pipe section is connected with the horizontal sand discharging pipeline through a sand discharging valve. The device has the characteristics of low sand discharging labor intensity, wide treatment operation range, high sand removal working efficiency and the like, and can be matched with a high-pressure sand remover to stably run under a high-pressure working condition in a highly-corrosive environment for a long time.

Description

The automatic sand removing device of high pressure
Technical field
The utility model relates to oil gas well extraction liquid desanding device, refers to a kind of automatic sand removing device of high pressure that cooperates high pressure desander to use 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, sand grains forms under the effect of high pressure draught and contains 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 may pierce through pipeline component, 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 desander is installed before entering the surface gathering and transferring pipe-line system, and extraction liquid is carried out the desanding operation, and solid particles such as sand grains are separated as far as possible.Yet mostly use in current oil field is only to be suitable for the mesolow desander using under the operating mode of well head mesolow.Along with the continuous development of the oil gas well mining degree of depth, increasing well head is in the high pressure operating mode, and the desander that suitable well head high pressure operating mode is used seldom, and the automatic desanding device that especially cooperates high pressure desander to use is rarely seen especially.Under abominable high pressure and strong corrosive environment, existing desanding device exists that sediment outflow labour intensity is big, processing operation narrow range, deficiency that operating efficiency is low, and form serious erosion and abrasion destruction easily under the impact that contains the sand jet, life cycle is shorter, and running cost is higher.This area scientific research personnel making great efforts always design can with the suitable automatic desanding device of high pressure desander, but do not have the product of mature and feasible to appear on the market up to now as yet.
Summary of the invention
The purpose of this utility model be exactly to provide that a kind of sediment outflow labour intensity is little, the processing operation scope is big, the automatic sand removing device of high pressure of desanding high efficiency and the operation steady in a long-term under high pressure operating mode and strong corrosive environment that can match with high pressure desander.
For achieving the above object, the automatic sand removing device of high pressure that the utility model is designed comprises that its special character is towards sediment outflow pipeline assembly and sand collecting tank assembly:
Described sand collecting tank assembly comprises end cap, collection sand tube and the sediment outflow pipeline section that links to each other successively from top to bottom, described end cap is provided with the sand grains runner that links to each other with sand-feeding tube, described sand-feeding tube is provided with into sand valve, and sand grains can be dropped in the collection sand tube by the top desander by this runner.Described collection sand tube barrel has shifted to install pressure release outlet and jet import up and down, the pipeline of described pressure release outlet is provided with relief valve and pressure meter, can before the sediment outflow operation, open relief valve like this, high pressure drop in the collection sand tube to allowable value, is guaranteed that whole automatic sediment outflow operation carries out under safe and reliable state.The sand removing hole that communicates with the sediment outflow pipeline section is set at the bottom of the described collection sand tube chamber.
Describedly comprise total sediment outflow pipeline, vertical row sandpipe road and horizontal sediment outflow pipeline towards sediment outflow pipeline assembly, the output of described total sediment outflow pipeline links to each other with the input of vertical row sandpipe road and horizontal sediment outflow pipeline respectively via tee junction, the output on described vertical row sandpipe road links to each other with the jet import of described collection sand tube, be used for the sand grains in the jet wash collection sand tube, described sediment outflow pipeline section links to each other with horizontal sediment outflow pipeline via sand flash valve, is used for deriving the mixing jet of sand grains and water.Can be according to the different sediment outflow technological requirements of dashing, arrange pipeline section, valve, high-pressure nozzle and the water pump of different size and quantity at total sediment outflow pipeline, vertical row sandpipe road and horizontal sediment outflow pipeline, the injection direction by the control high-pressure nozzle makes wholely to be finished smoothly towards the sediment outflow process.
As preferred version, the pressure release exit of described collection sand tube is provided with sand cap, can effectively stop sand grains to be strayed into the pressure release outlet like this.
Further, described sand cap is made up of a pair of cambered surface sand control baffle plate suitable with collecting sand tube inner wall shape, the setting sand control baffle plate that is arranged on a pair of cambered surface sand control baffle plate both sides, location adapter and the bottom support panel that is arranged on the cambered surface sand control baffle plate of the outside, and described location is taken over and is plugged in the pressure release outlet.
Further, described bottom support panel is provided with some air vents.
Further, be provided with spacing between the upper end of described sand cap and the bottom of end cap, also be provided with spacing between the lower end of described sand cap and the pressure release outlet.
Like this, the mode that the location of sand cap is taken over interference fit is fixed on the collection sand tube inwall, and working stability is reliable.The last end distance end cap bottom certain distance of sand cap when making things convenient for the pressure release air-flow to pass through smoothly, can prevent effectively that sand grains from stopping up the pressure release outlet under the effect of high pressure draught.The lower end of sand cap exports certain distance apart from pressure release, can increase whole airflow path, so that air-flow steadily flows through.Offer air vent on the bottom support plate of sand cap, high pressure draught is to the impact failure of sand cap in the time of can reducing pressure release.
Again further, the sand removing hole of described collection sand tube upper end is inversed taper platform shape.Like this, be convenient to make smooth and easy sand removing hole, sediment outflow pipeline section and the horizontal sediment outflow pipeline of flowing through of sand aqueous mixtures towards the sediment outflow operation time, last dashing automatically discharges.
Further, described end cap and the removable clamp connection of collection sand tube outside employing, described end cap seals with the inboard O of employing of collection sand tube RunddichtringO.Like this, both be convenient to be arranged in installation and the replacing of sand cap in the collection sand tube, also can have guaranteed to collect sand tube sealed high-voltage resistant.
Again further, described total sediment outflow pipeline comprises water tank, high-pressure pump and corresponding switch valve; Described vertical row sandpipe road comprises stop valve and high-pressure nozzle; Described horizontal sediment outflow pipeline comprises control valve and three-way interface.It is simple in structure, reliable operation, and can adjust flexibly according to actual needs or assembly.
Operating principle of the present utility model is such: when the automatic sand removing device of high pressure and well head desander were used, that opens the end cap top advanced the sand valve, and the valve of other interfaces of closure set sand tube makes itself and the collection sand space of a sealing of well head sand discharger formation.When force value is close in the pressure meter force value on the pressure release export pipeline and the well head desander, close into sand valve, separate with the high-pressure space of top.Then open relief valve, wait to collect the interior high pressure drop of sand tube to allowable value, close relief valve, whole automatic sediment outflow operation is carried out under safe and reliable state.Open switch valve on total sediment outflow pipeline and the horizontal sediment outflow pipeline then, control valve and high-pressure pump, begin to flush out the sand grains that had before fallen within wherein, then open the stop valve on the vertical row sandpipe road, the water under high pressure at high-pressure nozzle place is injected the cylindrical shell from the jet import of collection sand tube, become after near the high-pressure water inlet sand heap water content improves and be easy to flow or fluidization, under the effect of cylinder pressure, the inversed taper platform shape sand removing hole of sand aqueous mixtures through the below enters the sediment outflow pipeline section in the collection sand tube, under the percussion of horizontal sediment outflow pipeline mesohigh water, discharge, and sand piles up and constantly fills up the space, below under the gravity effect in the collection sand tube, until discharging fully.
Advantage of the present utility model is: designed sand collecting tank assembly is a high voltage bearing container when being communicated with top well head desander, more is applicable to the well head desanding operation under the high pressure industrial and mineral; Designed end cap is a kind of removable structure with collection sand tube, be convenient to be arranged in installation and the replacing of sand cap in the collection sand tube, and the sand cap structure is ingenious, and is with low cost; The inversed taper platform structure is adopted in designed collection sand tube inner chamber bottom, can reduce the resistance that the sand grains landing enters the sediment outflow pipeline section; Designed dashes sediment outflow pipeline assembly as a relatively independent part, can be according to the different sediment outflow technological requirements of dashing, arrange pipeline section, valve and the high-pressure nozzle of different size, quantity at each branch road, and can control the injection direction that high pressure is met and discussed, so that wholely carry out smoothly towards the sediment outflow process, improve sediment outflow efficient, reduce manual work labour intensity.Simultaneously, its processing operation scope is big, and stable and reliable operation under strong corrosive environment is particularly suitable for using under the middle and high pressure operating mode of well head.
Description of drawings
Fig. 1 is the overall structure schematic diagram of the automatic sand removing device of a kind of high pressure.
Fig. 2 is the assembly structure schematic diagram of sand collecting tank assembly among Fig. 1.
Fig. 3 looks the structure for amplifying schematic diagram for the master of sand cap among Fig. 2.
Fig. 4 is Fig. 3 plan structure schematic diagram.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
The automatic sand removing device of high pressure shown in the figure is mainly by combining towards sediment outflow pipeline assembly 1 and sand collecting tank assembly 2.
Sand collecting tank assembly 2 comprises end cap 2.1, collection sand tube 2.5 and the sediment outflow pipeline section 2.6 that links to each other successively from top to bottom, end cap 2.1 adopts removable clip 2.2 to be connected with collection sand tube 2.5 outsides, and end cap 2.1 adopts 2.3 sealings of O RunddichtringO with collection sand tube 2.5 interior side contacts walls.End cap 2.1 centers are provided with the sand grains runner 2.1.1 that links to each other with sand-feeding tube, and sand-feeding tube is provided with into sand valve 3.Collection sand tube 2.5 barrels have shifted to install pressure release outlet 2.5.1 and jet import 2.5.4 up and down, and the pipeline of pressure release outlet 2.5.1 is provided with relief valve 4 and pressure meter 5.Collection sand tube arranges the sand removing hole 2.5.3 that communicates with sediment outflow pipeline section 2.6 at the bottom of 2.5 chambeies, and sand removing hole 2.5.3 upper end is inversed taper platform shape 2.5.2.
Pressure release outlet 2.5.1 place at collection sand tube 2.5 also is provided with sand cap 2.4.Sand cap 2.4 is made up of a pair of cambered surface sand control baffle plate 2.4.2 suitable with collecting sand tube 2.5 inner wall shape, the setting sand control baffle plate 2.4.1 that is arranged on a pair of cambered surface sand control baffle plate 2.4.2 both sides, location adapter 2.4.3 and the bottom support panel 2.4.4 that is arranged on the cambered surface sand control baffle plate 2.4.2 of the outside.Be provided with spacing between the bottom of the upper end of sand cap 2.4 and end cap 2.1, also be provided with spacing between the lower end of sand cap 2.4 and the pressure release outlet 2.5.1.Be evenly equipped with some air vents on the bottom support panel 2.4.4.The size of 2.4.3 is taken in appropriate design location, it is plugged among the pressure release outlet 2.5.1 and with its interference fit, thereby whole sand cap 2.4 is fixed on collection sand tube 2.5 inwalls.
Mainly formed by total sediment outflow pipeline 1.1, vertical row sandpipe road 1.2 and horizontal sediment outflow pipeline 1.3 towards sediment outflow pipeline assembly 1.Total sediment outflow pipeline 1.1 mainly comprises water tank, high-pressure pump and the corresponding switch valve that links to each other successively.The output of total sediment outflow pipeline 1.1 links to each other with the input of vertical row sandpipe road 1.2 and horizontal sediment outflow pipeline 1.3 respectively via tee junction 7.Vertical row sandpipe road 1.2 mainly comprises stop valve and high-pressure nozzle, and the output on vertical row sandpipe road 1.2 links to each other with the jet import 2.5.4 of collection sand tube 2.5, and high-pressure nozzle is installed in jet import 2.5.4 place (not shown), so that jet is smooth and easy.Horizontal sediment outflow pipeline 1.3 mainly comprises three-way interface and the control valve that is arranged on the three-way interface two ends, and the 3rd end of this three-way interface links to each other with sediment outflow pipeline section 2.6 via sand flash valve 6, thereby the sand grains jet that will collect in the sand tube 2.5 is drawn out in the horizontal sediment outflow pipeline 1.3.
Between the pressure release outlet 2.5.1 of collection sand tube 2.5 and pressure relief pipe, between the jet import 2.5.4 of collection sand tube 2.5 and the vertical row sandpipe road 1.2, sediment outflow pipeline section 2.6 upper ends with collect between sand tube 2.5 lower ends, all adopt bolt to be connected between sediment outflow pipeline section 2.6 lower ends and the horizontal sediment outflow pipeline 1.3, metallic gasket seals.
Whole also can be according to the different sediment outflow technological requirements of dashing towards sediment outflow pipeline assembly 1, arrange pipeline section, valve, high-pressure pump and the high-pressure nozzle of different size, quantity at each branch road, and the injection direction of control high-pressure nozzle, so that wholely carry out smoothly towards the sediment outflow process.This is mature technology, seldom gives unnecessary details in this.
The course of work of the present utility model can be divided into the sand grains collection phase and automatically towards sediment outflow stage two large divisions, existing division is as follows:
One, sand grains collection phase
The jet import 2.5.4 place of closure set sand tube 2.5 and on the sediment outflow pipeline assembly 1 everywhere valve, relief valve 4 on the pressure release outlet 2.5.1 pipeline of closure set sand tube 2.5, open and advance sand valve 3 on the end cap 2.1 top sand-feeding tubes, make itself and well head sand discharger form the collection sand space of a sealing.Collection sand tube 2.5 begins to collect the sand grains that the top desander is got rid of, and when force value is close in the force value of the pressure meter 5 on the pressure release outlet 2.5.1 pipeline and the top desander, closes into sand valve 3, separates with the high-pressure space of top, thereby stops sand grains collection operation.
Two, automatically towards the sediment outflow stage
After treating that the sand grains collection phase finishes, open the relief valve 4 on the pressure release outlet 2.5.1 pipeline, wait to collect high pressure drop in the sand tube 2.5 to allowable value, close relief valve 4, whole automatic sediment outflow operation is carried out under safe and reliable state.Open all valves on total sediment outflow pipeline 1.1 and the horizontal sediment outflow pipeline 1.3 then, high-pressure pump begins to flush out the sand grains that had before fallen into wherein, then opens the valve on the vertical row sandpipe road 1.2, and beginning is automatically towards the sediment outflow operation.At this moment, the water under high pressure at high-pressure nozzle place is injected the cylindrical shell from the jet import 2.5.4 of collection sand tube 2.5, become after near the high-pressure water inlet sand heap water content improves and be easy to flow or fluidization, under the effect of cylinder pressure, the sand aqueous mixtures enters sediment outflow pipeline section 2.6 through the sand removing hole 2.5.3 of the inversed taper platform shape 2.5.2 of below in the collection sand tube 2.5, under the percussion of horizontal sediment outflow pipeline 1.3 mesohigh water, discharge, and sand pile up and constantly fill up the space, below under the gravity effect in the collection sand tube 2.5, until discharging fully.

Claims (8)

1. the automatic sand removing device of high pressure comprises towards sediment outflow pipeline assembly (1) and sand collecting tank assembly (2), it is characterized in that:
Described sand collecting tank assembly (2) comprises the end cap (2.1) that links to each other successively from top to bottom, collection sand tube (2.5) and sediment outflow pipeline section (2.6), described end cap (2.1) is provided with the sand grains runner (2.1.1) that links to each other with sand-feeding tube, described sand-feeding tube is provided with into sand valve (3), described collection sand tube (2.5) barrel has shifted to install pressure release outlet (2.5.1) and jet import (2.5.4) up and down, the pipeline of described pressure release outlet (2.5.1) is provided with relief valve (4) and pressure meter (5), and the sand removing hole (2.5.3) that communicates with sediment outflow pipeline section (2.6) is set at the bottom of described collection sand tube (2.5) chamber;
Describedly comprise total sediment outflow pipeline (1.1), vertical row sandpipe road (1.2) and horizontal sediment outflow pipeline (1.3) towards sediment outflow pipeline assembly (1), the output of described total sediment outflow pipeline (1.1) links to each other with the input of vertical row sandpipe road (1.2) with horizontal sediment outflow pipeline (1.3) respectively via tee junction (7), the output on described vertical row sandpipe road (1.2) links to each other with the jet import (2.5.4) of described collection sand tube (2.5), and described sediment outflow pipeline section (2.6) links to each other with horizontal sediment outflow pipeline (1.3) via sand flash valve (6).
2. the automatic sand removing device of high pressure according to claim 1 is characterized in that: the pressure release outlet (2.5.1) of described collection sand tube (2.5) locates to be provided with sand cap (2.4).
3. the automatic sand removing device of high pressure according to claim 2, it is characterized in that: described sand cap (2.4) is made up of a pair of cambered surface sand control baffle plate (2.4.2) suitable with collecting sand tube (2.5) inner wall shape, the setting sand control baffle plate (2.4.1) that is arranged on a pair of cambered surface sand control baffle plate (2.4.2) both sides, location adapter (2.4.3) and the bottom support panel (2.4.4) that is arranged on the outside cambered surface sand control baffle plate (2.4.2), and described location is taken over (2.4.3) and is plugged in the pressure release outlet (2.5.1).
4. the automatic sand removing device of high pressure according to claim 3, it is characterized in that: described bottom support panel (2.4.4) is provided with some air vents.
5. the automatic sand removing device of high pressure according to claim 4, it is characterized in that: be provided with spacing between the bottom of the upper end of described sand cap (2.4) and end cap (2.1), also be provided with spacing between the lower end of described sand cap (2.4) and the pressure release outlet (2.5.1).
6. according to the automatic sand removing device of each described high pressure in the claim 1 ~ 5, it is characterized in that: sand removing hole (2.5.3) upper end of described collection sand tube (2.5) is inversed taper platform shape (2.5.2).
7. according to the automatic sand removing device of each described high pressure in the claim 1 ~ 5, it is characterized in that: described end cap (2.1) is connected with collection sand tube (2.5) the outside removable clip of employing (2.2), and described end cap (2.1) seals with the inboard O RunddichtringO (2.3) that adopts of collection sand tube (2.5).
8. according to the automatic sand removing device of each described high pressure in the claim 1 ~ 5, it is characterized in that: described total sediment outflow pipeline (1.1) comprises water tank, high-pressure pump and corresponding switch valve; Described vertical row sandpipe road (1.2) comprises stop valve and high-pressure nozzle; Described horizontal sediment outflow pipeline (1.3) comprises control valve and three-way interface.
CN2013200759179U 2013-02-18 2013-02-18 Automatic high-pressure sand discharging device Withdrawn - After Issue CN203145914U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
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
CN103628870A (en) * 2013-11-29 2014-03-12 中国石油集团川庆钻探工程有限公司 Rotational flow sand removing device
CN111535793A (en) * 2020-05-07 2020-08-14 西南石油大学 Novel separation metering sledge sewage discharge system and method for shale gas field

Cited By (5)

* Cited by examiner, † Cited by third party
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
CN103628870A (en) * 2013-11-29 2014-03-12 中国石油集团川庆钻探工程有限公司 Rotational flow sand removing device
CN111535793A (en) * 2020-05-07 2020-08-14 西南石油大学 Novel separation metering sledge sewage discharge system and method for shale gas field
CN111535793B (en) * 2020-05-07 2022-07-22 西南石油大学 Novel separation metering sledge sewage discharge system and method for shale gas field

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Granted publication date: 20130821

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