CN204283350U - A kind of removable skid-mounted cluster well field integrated device - Google Patents
A kind of removable skid-mounted cluster well field integrated device Download PDFInfo
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- CN204283350U CN204283350U CN201420660961.0U CN201420660961U CN204283350U CN 204283350 U CN204283350 U CN 204283350U CN 201420660961 U CN201420660961 U CN 201420660961U CN 204283350 U CN204283350 U CN 204283350U
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Abstract
The utility model specifically provides a kind of removable skid-mounted cluster well field integrated device, clump formula gas well is respectively by entering skid-mounted device interface, successively with switch well control valve, urgent block valve, two-phase flow meter, individual well shut-off valve is connected afterwards by pipeline and natural gas header connects and composes natural gas line, point two-way after the natural gas line of clump formula gas well collects by natural gas line, one tunnel and the airtight TRT of pressure reduction, downstream interface is connected in series by pipeline successively, one tunnel and flow control valve, total shut-off valve, downstream interface is connected in series by pipeline successively.This removable skid-mounted cluster well field integrated device that the utility model provides, have can long-range open and close gas well, can utilize pressure energy of natural gas generate electricity, simple and easy two-phase flow measurement, and have and simple, short construction period is installed, is convenient to the advantage safeguarded, fast run-up product and the efficiency of management in well site can be improved.
Description
Technical field
The utility model relates to and a kind ofly has remote switch well, simple and easy two-phase flow measurement, self-contained electric system for cluster well field; and the prying gas gathering and transporting device that ultra under-pressure protection is integrated, specifically a kind of removable skid-mounted cluster well field integrated device.
Background technology
Along with riseing year by year of Soviet Union's Sulige gas field gas well quantity, but " increasing production without increasing the work force ", need to improve constantly the fast run-up in well site and produce and " intellectuality " managerial skills.Current Soviet Union's Sulige gas field well site surface construction engineering site construction climate and device-restrictive, long construction period, organize and coordinate that difficulty is large, floor space is large; Gas well is when daily production run, the long-range operation that drives a well needs every mouthful of gas well mouth operation, and well opening time is long, and site operation personnel lacks relatively, especially belching well increases year by year, is to a certain degree increasing gas well liquid loading operational management difficulty and site work intensity; Well site adopts solar energy, powered by wind energy system, and the sustainability of power supply and stability are subject to rainy weather, winter low temperature ambient influnence.Improve well site " intellectuality " managerial skills, sustainable, stable supply of electric power must be had to ensure.
Utility model content
The purpose of this utility model overcomes above-mentioned prior art shortcoming, and improve the fast run-up product in well site and improve the efficiency of management, there is provided one can long-range open and close gas well, can utilize that pressure energy of natural gas generates electricity, simple and easy two-phase flow measurement, have and simple, short construction period is installed, is convenient to the removable skid-mounted cluster well field integrated device safeguarded.
The technical solution of the utility model is: a kind of removable skid-mounted cluster well field integrated device, and it comprises into skid-mounted device interface, switch well control valve, urgent block valve, two-phase flow meter, individual well shut-off valve, flow control valve, the airtight TRT of pressure reduction, total shut-off valve, skid-mounted device to downstream line interface, natural gas header; The skid-mounted device interface that enters connected with clump formula gas well connect afterwards with switch well control valve, urgent block valve, two-phase flow meter, individual well shut-off valve successively by pipeline and natural gas header connects and composes natural gas line, point two-way after the natural gas line of clump formula gas well collects by natural gas line, one tunnel and the airtight TRT of pressure reduction, downstream interface are connected in series by pipeline successively, and a road and flow control valve, total shut-off valve, downstream interface are connected in series by pipeline successively.
Above-mentioned switch well control valve is 24V direct current drive control valve.
Above-mentioned urgent block valve selects model to be: YKQ80-250.
Above-mentioned urgent block valve is arranged on the connection separation place of upstream high system and downstream middle low-pressure system.
The airtight TRT of described pressure reduction is made up of ball valve and TRT, and described TRT is serially connected with between two ball valves; The model of TRT selects star rotary AT16-75 type generating box.
Above-mentioned two phase flow counts orifice plate differential pressure formula flow meter.
Above-mentioned clump formula gas well is made up of 2 ~ 9 mouthfuls of natural gas wells.
The beneficial effects of the utility model: this removable skid-mounted cluster well field integrated device that the utility model provides, have can long-range open and close gas well, can utilize pressure energy of natural gas generate electricity, simple and easy two-phase flow measurement, and have and simple, short construction period is installed, is convenient to the advantage safeguarded, fast run-up product and the efficiency of management in well site can be improved.
Below with reference to accompanying drawing, the utility model is described in further details.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Description of reference numerals: 1, enter skid-mounted device interface; 2, switch well control valve; 3, urgent block valve; 4, two-phase flow meter; 5, individual well shut-off valve; 6, flow control valve; 7, the airtight TRT of pressure reduction; 8, total shut-off valve; 9, skid-mounted device is to downstream line interface; 10, natural gas header; 11, ball valve; 12, TRT; 13, battery.
Detailed description of the invention
Embodiment 1:
The removable skid-mounted cluster well of one as shown in Figure 1 field integrated device, it comprises into skid-mounted device interface 1, switch well control valve 2, urgent block valve 3, two-phase flow meter 4, individual well shut-off valve 5, flow control valve 6, the airtight TRT 7 of pressure reduction, total shut-off valve 8, skid-mounted device to downstream line interface 9, natural gas header 10; Christmas tree carrys out gas, first enters skid-mounted device interface 1 through natural gas and enters cluster well field skid-mounted unit, and natural gas enters skid-mounted device interface 1 and can access 1 ~ 9 mouthful of christmas tree simultaneously and carry out gas; Clump formula gas well is respectively by entering skid-mounted device interface 1, connect afterwards by pipeline with switch well control valve 2, urgent block valve 3, two-phase flow meter 4, individual well shut-off valve 5 successively and natural gas header 10 connects and composes natural gas line, point two-way after the natural gas line of clump formula gas well collects by natural gas line, one tunnel and the airtight TRT 7 of pressure reduction, downstream interface 9 are connected in series by pipeline successively, and a road and flow control valve 6, total shut-off valve 8, downstream interface 9 are connected in series by pipeline successively.
Embodiment 2:
On the basis of embodiment 1, described regulating switch valve 2 is 24V direct current drive control valve, has remote switch and valve opening Monitoring and Controlling function, long-range when driving a well, according to well head operational factor, regulating switch valve 2 aperture is regulated at any time, finally realize remote intelligent switch well function.Long-range closing well has two kinds of situations, one when being pressure anomaly, source of the gas is automatically shut down by regulating switch valve (high pressure), urgent block valve (middle pressure), two is that system is when assigning closing well, consider the impact of air-flow high speed impact, first closing switch control valve, then close urgent block valve, guarantee that surface gathering and transferring pipe-line system operating pressure is no more than pipe design pressure, improve gas well safety in production coefficient.Long-rangely to drive a well, namely consider that high-pressure gas well drives a well the impact of reducing pressure by regulating flow process and air-flow high speed impact, first open urgent block valve, by pressure reduction ratio, pipeline system pressure and well head uninterrupted before and after monitoring switch control valve, regulate in real time according to the aperture of the every operational factor of well head to regulating switch valve in time, thus guarantee that in the process of driving a well, flow line is no more than, the not take-off of well head block valve, and avoid because reducing pressure by regulating flow process forms Hydrate Plugging.Regulating switch valve and electronic well head needle-valve are prior art products, it remains the function of former needle-valve, add Electronic control function and valve opening Monitoring and Controlling function, be mainly used in after master control system assigns the instruction of switch well, completing Intelligent adjustment and driving a well and closing well task at switch well control valve.This valve is provided with two seals, one soft seal, together hard sealing, and soft seal valve seat adopts and strengthens tetrafluoroethene material; Hard sealing is made up of needle valve core and valve seat, and needle valve core and valve seat are all welded with one deck hard alloy layer.For reducing to open moment, being designed with a sealing and balancing chamber in upper end, ensure that Low-torque during open and close valve, reducing the moment of torsion of electrical header.Regulating switch valve feature: 1 Special Anti washes away alloy material and strangling head structure particular design and ensures control valve application life.The project organization of 2 pressure self-balancings reduces switch torque, is down to by power consumption minimum.3 control valves adopt soft or hard double sealing structure and soft seal Anti-scouring structure, thus ensure the sealing completely of control valve.4 electric performance devices have super piezoelectricity of a specified duration and move closing function.Regulating switch valve 2 and urgent block valve 3 have long-range closing function and link.When pressure superpressure or under-voltage time (as P >N or P <M) time, regulating switch valve 2, urgent block valve 3 are closed simultaneously automatically, and N, M value can set according to demand;
When regulating switch valve 2 or wherein any one valve closedown of urgent block valve 3, another valve cuts out automatically; When system assigns closing well instruction, first closing switch control valve 2, cuts out urgent block valve 3 again after the display of regulating switch valve 2 valve position state is closed.
Urgent block valve is also prior art products, and the model that the present embodiment is selected is YKQ80-250, and it forms primarily of valve body, pressure-detecting device, accumulating mechanism, driving mechanism and control circuit.This urgent block valve function meets superpressure, under-voltagely automatically to block, and once block, then can not automatically reset, after only having trouble shooting and valve collects controlled pressure when being in the signal of normal condition, by on-site manual or Long-distance Control, block valve can be opened, and the also remote controlled closedown of this valve; Valve body when designing with reference to the structural principle of low torque ball valve, in conjunction with import and outlet is single closes tightness and the working life that double containment design ensures main valve, the design of unidirectional double containment achieve medium from left to right by sealing; Pressure detecting and transfer device pipeline are filled with fluid, with bellows or separator piston, the fluid in impulse piping and the saturated gas in Trunk Line are isolated, can avoid because freezing or mechanical admixture blocking impulse piping, guarantee that pressure signal transmits accurately, make whole system be in safe operation state all the time; Valve activator adopts gear transmission mode, by DC servo motor as power source, the power transimission provided by motor is to the spool of valve body, drive Spool rotating, open and close valve, simultaneously by adopting the mode of Compress Spring, stored energy is as the power source of valve body, drive Spool rotating, open and close valve.Described urgent block valve has level pressure closing well function; namely to lose efficacy or downstream line damage etc. causes that ground mesolow pipeline is super, under undervoltage condition at underground throttle device; promptly block, close source of the gas; thus protection well site integrated device; therefore well site ground flow with urgent block valve for separation; urgent block valve upstream is high-pressure system, and urgent block valve downstream is middle low-pressure system.
Remote emergency cutting device 3 is separation, and upstream is high-pressure system, and downstream is middle low-pressure system.
The airtight TRT 7 of pressure reduction utilizes pressure energy of natural gas to be converted to electric energy, regulated by the aperture of flow control valve 6, controls the natural gas tolerance entering TRT 12, thus adjustment generated energy, for gas production wellhead equipment provides lasting power supply.Described airtight differential pressure generating device is made up of ball valve 11, TRT 12, TRT 12 is serially connected with between two ball valves 11, and TRT 12 is connected with battery 13, TRT 12 utilizes pressure energy of natural gas to generate electricity, motor and generator are fixed in closed container, container import and export are connected with natural gas by flange, container outlet establishes relief port, by the adjustment of Valve controlling natural gas vent flow motor rotary speed, i.e. generated output.Natural gas chemistry energy can not be consumed, natural gas collection and conveying are had no effect, thus provide electric power guarantee for cluster well field integrated device.TRT 12 generates electricity to the charging of battery 13 inlet wire, follow-up electricity consumption required after ensureing the power failure of well head TRT, and module directly can provide dc source to load when normal operation simultaneously.TRT 12 is prior art products, specifically selects star rotary AT16-75 type generating box.Star rotary AT16-75 type generating box is an airtight container, and be fixed in container by fluid motor and generator, container is imported and exported and is connected with natural gas line by flange, and one end is air inlet port, the other end is exhaust opening, interface DN50 PN63.It is built-in with gas engine and generator module.There is tow channel gas circulation road its inside, is respectively outlet valve passage, flood discharge valve passage; Outlet valve passage is when opening gas engine, the passage of chimneying gas coming through motor, outlet valve, exhaust opening; Flood discharge valve passage is that chimneying flows through the passage of flood discharge valve, exhaust opening when closing gas engine.After chimneying feed pressure can reclaim electricity generation module, flow out to exhaust opening by gas engine, exhaust regulating valve, and drive electrical generators sends electric energy; Also directly flow out from exhaust opening by flood discharge control valve, generator stops generating; Suitable adjustment outlet valve and flood discharge valve can effectively control gas engine rotating speed, and generator stable is generated electricity.
Described two phase flow counts orifice differential pressure formula flow meter.By detecting differential pressure before and after orifice plate, in conjunction with physical parameter, can gas flow be calculated, achieving not released state gas production, Liquid output on-line metering.Thus accurately grasp gas well aquifer yield data, calculate gas well WGR, become more meticulous, mobilism formulates water pumping gas production measure.This flow meter is made up of integrated instrument, pressure transmitter, taper orifice plate, Measures Pipe.When two phase flow is by orifice plate, in orifice plate both sides, there is differential pressure noise, i.e. pressure fluctuation.This noise is the characteristic properties of two-phase flow, closely related with the flow mass void fraction of two phase flow.According to domestic theory for many years and experimental study, and test through gas-liquid two-phase flow survey engineering, apply one piece of restricting orifice and be equipped with one-piece type natural gas gas-liquid biphase flowmeter body, pressure transmitter, according to differential pressure measurement average and variance thereof, the flow of condensed liquid natural gas two media can be calculated.Described cluster well is made up of 2 ~ 9 mouthfuls of natural gas wells.
The utility model adopts prefabrication, after being prefabricated in the factory, be transported to well site, by entering skid-mounted device interface 1 and christmas tree, skid-mounted device can put into operation after downstream line interface 9 is connected with flow line, clump formula gas well of the present utility model every mouthful of individual well establishes switch well control valve 2 respectively, urgent block valve 3, long-rangely first open urgent block valve 3 when driving a well, according to the every operational factor of well head, by-pass cock well control valve 2 aperture, thus guarantee that in the process of driving a well, flow line is no more than, the not take-off of the urgent block valve 3 of well head, and avoid because reducing pressure by regulating flow process forms Hydrate Plugging.When well head pressure is abnormal, long-range closing well, closes high, middle pressure simultaneously and automatically shuts down (switch well control valve 2, urgent block valve 3); When system assigns closing well, long-range closing well, first closing switch well control valve 2, then close urgent block valve 3, guarantee that surface gathering and transferring pipe-line system operating pressure is no more than pipe design pressure, improve gas well safety in production coefficient.Therefore, the utility model have can long-range open and close gas well, can utilize that pressure energy of natural gas generates electricity, simple and easy two-phase flow measurement, and have and simple, short construction period is installed, is convenient to the advantage safeguarded, fast run-up product and the efficiency of management in well site can be improved.
The part that the present embodiment does not describe in detail belongs to the known conventional means of the industry, does not describe one by one here.More than exemplifying is only illustrate of the present utility model, does not form the restriction to protection domain of the present utility model, everyly all belongs within protection domain of the present utility model with the same or analogous design of the utility model.
Claims (7)
1. a removable skid-mounted cluster well field integrated device, it comprises into skid-mounted device interface (1), switch well control valve (2), urgent block valve (3), two-phase flow meter (4), individual well shut-off valve (5), flow control valve (6), the airtight TRT of pressure reduction (7), total shut-off valve (8), skid-mounted device is to downstream line interface (9), natural gas header (10), it is characterized in that: connect with clump formula gas well enter skid-mounted device interface (1) by pipeline successively with switch well control valve (2), urgent block valve (3), two-phase flow meter (4), individual well shut-off valve (5) is connected afterwards and natural gas header (10) connects and composes natural gas line, point two-way after the natural gas line of clump formula gas well collects by natural gas line, one tunnel and the airtight TRT of pressure reduction (7), downstream interface (9) is connected in series by pipeline successively, one tunnel and flow control valve (6), total shut-off valve (8), downstream interface (9) is connected in series by pipeline successively.
2. one according to claim 1 removable skid-mounted cluster well field integrated device, is characterized in that: described switch well control valve (2) is 24V direct current drive control valve.
3. one according to claim 1 removable skid-mounted cluster well field integrated device, is characterized in that: the model that described urgent block valve (3) is selected is: YKQ80-250.
4. one according to claim 1 removable skid-mounted cluster well field integrated device, is characterized in that: the connection separation place urgent block valve (3) being arranged on upstream high system and downstream middle low-pressure system.
5. one according to claim 1 removable skid-mounted cluster well field integrated device, it is characterized in that: the airtight TRT of described pressure reduction (7) is made up of two ball valves (11) and TRT (12), described TRT (12) is serially connected with between two ball valves (11); The model of TRT (12) selects star rotary AT16-75 type generating box.
6. one according to claim 1 removable skid-mounted cluster well field integrated device, is characterized in that: described two-phase flow meter (4) is orifice plate differential pressure formula flow meter.
7. one according to claim 1 removable skid-mounted cluster well field integrated device, is characterized in that: described clump formula gas well is made up of 2 ~ 9 mouthfuls of natural gas wells.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420660961.0U CN204283350U (en) | 2014-11-07 | 2014-11-07 | A kind of removable skid-mounted cluster well field integrated device |
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| CN201420660961.0U CN204283350U (en) | 2014-11-07 | 2014-11-07 | A kind of removable skid-mounted cluster well field integrated device |
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| CN204283350U true CN204283350U (en) | 2015-04-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373083A (en) * | 2014-11-07 | 2015-02-25 | 西安长庆科技工程有限责任公司 | Movable skid-mounted cluster type well field integrated device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373083A (en) * | 2014-11-07 | 2015-02-25 | 西安长庆科技工程有限责任公司 | Movable skid-mounted cluster type well field integrated device |
| CN104373083B (en) * | 2014-11-07 | 2017-07-04 | 西安长庆科技工程有限责任公司 | A kind of removable skid-mounted cluster well integrated device |
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