CN202531153U - Coal bed gas well choosing device - Google Patents
Coal bed gas well choosing device Download PDFInfo
- Publication number
- CN202531153U CN202531153U CN2012201224839U CN201220122483U CN202531153U CN 202531153 U CN202531153 U CN 202531153U CN 2012201224839 U CN2012201224839 U CN 2012201224839U CN 201220122483 U CN201220122483 U CN 201220122483U CN 202531153 U CN202531153 U CN 202531153U
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- well
- coal bed
- individual well
- bed gas
- pillow
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Abstract
The utility model discloses a coal bed gas well choosing device. The device comprises a multi-ported valve, wherein the multi-ported valve comprises a plurality of single-well inlets, a metering outlet, a collection outlet, a transmission shaft, a middle rotary valve pillow and a diverting assembly box body, the transmission shaft is connected with the middle rotary valve pillow, the middle rotary valve pillow is connected with the metering outlet and the chosen single-well inlet of the plurality of single-well inlets, the diverting assembly box body is located on the upper portion of the plurality of single-well inlets, and diverting assembly box body is connected with the collection outlet and unselected single-well inlets of the plurality of single-well inlets. By the aid of the device, the technical problem that gas sealing is not applicable to tightness in existing well-choosing devices is solved, and the tightness can be conducted well in accordance with coal bed gas characteristics.
Description
Technical field
The utility model relates to the oil of petrochemical industry, the measurement technology of gas well, particularly relates to a kind of coal bed gas and selects the well device.
Background technology
In process of oil production, need on the petroleum metering station, take turns to measure to many mouthfuls of oil wells, the main mode that adopts at present is from multichannel oil well pipeline, to select one the tunnel as the metering path through multiple-way valve.
Multiple-way valve is claimed many logical distributing valves again, is made up of motor drive mechanism, valve body, valve seat and control cabinet, and control cabinet also can lump together with the batchmeter control cabinet.Motor drive mechanism is made up of motor, reductor and detecting element.
Fig. 1 is the sectional view of the oil well multiple-way valve of prior art; Fig. 2 is the view of the porous plane body among Fig. 1; With reference to figure 1, shown in Figure 2, its course of work is following: when rotation fuse 2 turns to certain angle in the middle of driving through (electronic or manual) power, and a certain oil-in that the feasible gating ring 4 that floats is aimed on the porous plane body 3; Rotation fuse 2 inner public water conservancy diversion metering ducts are communicated with porous plane body 3 some fuel feed holes in the middle of realizing, realize the metering gathering and transporting gating.And it comes liquid to compile the bottom sides exit outflow entering gathering line from lower chamber 7 in porous plane body 3 fuel feed holes.Interior six square nut rings are used for adjusting the elastic force of elastic component 5 so that keep the combination seal between unsteady gating ring 4 and the porous plane body 3, and elastic component 5 is the ripple spring.
In the multiple-way valve of Fig. 1, Fig. 2; Hermetically-sealed construction between its sealing fuse and housing only is suitable for the gating of liquid, and is for the gas measurement field, different on the liquid medium type more in the past; Coal bed gas belongs to inflammable, explosion hazard gases should be very high to the requirement of sealing on its structure design.In addition, the coal gas layer is long-range, and to select most application scenarios of well device be the area, mountain region, and the peaks rises one above the other in the distance, ravines and guillies criss-cross, and discrepancy in elevation great disparity, with a varied topography.Therefore on-the-spot no power supply unit also need move problems such as power supply and data remote mode by consideration equipment.
Therefore, how providing a kind of coal bed gas that is suitable for air seal to select the well device, is that the gasser metering field has problem to be solved.
The utility model content
The purpose of the utility model embodiment provides a kind of coal bed gas and selects the well device, and the characteristics that can better be directed against coal bed gas seal, and solves to have now and selects the well device to be not suitable for the technical problem of air seal.
To achieve these goals; The utility model embodiment provides a kind of coal bed gas to select the well device; Comprise multiple-way valve, said multiple-way valve comprises: a plurality of individual well inlets, a metering outlet, and one is compiled outlet, power transmission shaft, middle rotary valve pillow and shunting assembly casing;
Rotary valve pillow in the middle of said power transmission shaft connection is said, the selected individual well in the said metering outlet of said middle rotary valve pillow connection and the said a plurality of individual well inlet enters the mouth;
Said shunting assembly casing is positioned at the top of said a plurality of individual well inlets, and said shunting assembly casing is connected the said not selected individual well inlet that compiles in outlet and the said a plurality of individual well inlet.
Preferably, above-mentioned coal bed gas is selected in the well device, and said multiple-way valve also comprises:
Many entire bodies are connected said a plurality of individual well inlet;
Lead to plates more, be positioned at the top of said many entire bodies, connect said a plurality of individual well inlet;
The rotary valve pillow is through choosing an individual well inlet with said many logical plates to fetching in the middle of said.
Preferably, above-mentioned coal bed gas is selected in the well device, and said middle rotary valve pillow is provided with inner seal sleeve with the end that said many logical plates contact; An end of the said metering outlet of rotary valve pillow connection is provided with center in the middle of said.
Preferably, above-mentioned coal bed gas is selected in the well device, and each individual well inlet connects one road individual well pipeline, the said outlet connection header that compiles;
Said metering outlet connects the metering pipeline, and said metering pipeline inserts said header after connecting gas flowmeter;
The position that each individual well pipeline inserts before the said individual well inlet is provided with three way cock, and said three way cock connects said header.
Preferably, above-mentioned coal bed gas is selected in the well device, also comprises the multiple-way valve controlling organization, and said multiple-way valve controlling organization comprises:
Photoelectric encoder is used to indicate the strobe position of multiple-way valve;
Programmable logic controller (PLC) is used to realize data acquisition, logical operation and multiple-way valve control;
The GPRS wireless transport module is used for the remote data of said multiple-way valve controlling organization is transferred to the ipc monitor system.
Preferably, above-mentioned coal bed gas is selected in the well device, also comprises solar power supply apparatus, connects said multiple-way valve controlling organization;
Said solar power supply apparatus comprises: solar panel, battery, inverter and control system.
Preferably, above-mentioned coal bed gas is selected in the well device, and said data acquisition comprises the collection of flow, pressure and temperature signal, and the type of signal is RS485 interface signal and Modubus-RTU protocol signal.
Preferably, above-mentioned coal bed gas is selected in the well device, and said power transmission shaft connects 220 volts of alternating current generators.
Preferably, above-mentioned coal bed gas is selected in the well device, and the quantity of said a plurality of individual well inlets is 11.
Preferably, above-mentioned coal bed gas is selected in the well device, and the height at the two ends of the gas passage in the said middle rotary valve pillow is lower than the height of said gas passage interlude.
There is following technique effect at least in the utility model embodiment:
1) shunting assembly casing 106 is positioned at the top of a plurality of individual well inlets 101; The coal gas that more helps each individual well gets in the shunting assembly casing 106 smoothly, and the interface that needs sealing is not at top; So the pressure of interface is not maximum, more help the coal gas sealing.
2) in the middle of rotary valve pillow 104 be shaped as " n " shape, the height at the two ends of gas passage wherein is lower than the height of said gas passage interlude, like this, the pressure of two ends interface is not maximum, more helps the coal gas sealing.
3) executing agency has only a motor, so the trouble point is few, and reliability is high;
4) in the time of need not measuring, can make metering process more flexible with No. 11 gas wells through the whole outlets of confluxing of leading of three way cock.
5) the utility model is controlled the action of motor through relay through the cooperation of photoelectric encoder and programmable logic controller (PLC), thus the strobe position of control multiple-way valve, and then can realize automatically selecting well.
6) the utility model also carries out remote monitoring through the GPRS wireless transport module, can adapt to the unattended situation in remote mountain areas.
Description of drawings
Fig. 1 is the sectional view of the multiple-way valve of prior art;
Fig. 2 is the view of the porous plane body among Fig. 1;
The shape assumption diagram of the multiple-way valve that Fig. 3 provides for the utility model;
The sectional view of the multiple-way valve that Fig. 4 provides for the utility model;
The electrical control system figure that Fig. 5 provides for the utility model;
The control flow block diagram that Fig. 6 provides for the utility model;
The control device that Fig. 7 provides for the utility model and the installation site figure of solar power supply apparatus.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment is clearer, will combine accompanying drawing that specific embodiment is described in detail below.
The utility model embodiment provides a kind of coal bed gas to select the well device; Comprise multiple-way valve; The sectional view of the multiple-way valve that the shape assumption diagram of the multiple-way valve that Fig. 3 provides for the utility model, Fig. 4 provide for the utility model is like Fig. 3, shown in Figure 4; Said multiple-way valve comprises: 101,102, one of metering outlets of a plurality of individual well inlets compile outlet 103, power transmission shaft 109, middle rotary valve pillow 104 and shunting assembly casing 106;
Said shunting assembly casing 106 is positioned at the top of said a plurality of individual well inlets 101, and said shunting assembly casing 106 is connected the said not selected individual well inlet that compiles in outlet 103 and the said a plurality of individual wells inlet.
It is thus clear that in the utility model, shunting assembly casing 106 is positioned at the top of a plurality of individual well inlets 101, do not compiled in the individual well gas of the independent metering shunting assembly casing 106 up, and through said compiling exporting 103 outflows.So, select the principle of well device to distinguish with existing liquid, be exactly the difference of flow direction; Because liquid has certain gravity, best mode is mobile from top to bottom, so the liquid collection region is all below the individual well inlet; And the coal gas lta has uptrend, is arranged on the top to the shunting assembly casing 106 as collection region; The coal gas that more helps each individual well gets in the shunting assembly casing 106 smoothly, and the interface that needs sealing is not at top; So the pressure of interface is not maximum, more help the coal gas sealing.
As shown in Figure 4, said in the middle of rotary valve pillow 104 be shaped as " n " shape, the height at the two ends of gas passage wherein is lower than the height of said gas passage interlude, like this, the pressure of two ends interface is not maximum, more helps the coal gas sealing.
Wherein, said multiple-way valve also comprises:
Many entire bodies 107 are connected said a plurality of individual well inlet 101;
Lead to plates 108 more, be positioned at the top of said many entire bodies 107, connect said a plurality of individual well inlet 101;
In the middle of said rotary valve pillow 104 through with said many logical plates 108) fetch and choose an individual well inlet.
Wherein, why being divided into many entire body 107, logical 108 two loose structures of plate how, is because many logical plates 108 need docks with middle rotary valve pillow 104, produce and rub, so material requirements is more wear-resisting.
Wherein, middle rotary valve pillow 104 is provided with inner seal sleeve 110 with the end that said many logical plates 108 contact; An end of the said metering outlet 102 of rotary valve pillow 104 connections is provided with center 111 in the middle of said.
Wherein, each individual well inlet connects one road individual well pipeline, the said outlet 103 connection headers that compile;
Said metering outlet connects the metering pipeline, and said metering pipeline inserts said header after connecting gas flowmeter;
The position that each individual well pipeline inserts before the said individual well inlet is provided with three way cock, and said three way cock connects said header.Therefore, in the time of the maintenance multiple-way valve, can let the individual well pipeline directly be communicated with header, convenient maintenance.
As shown in Figure 7, the utility model also comprises multiple-way valve controlling organization 702, and said multiple-way valve controlling organization 702 comprises:
Photoelectric encoder is used to indicate the strobe position of multiple-way valve;
Programmable logic controller (PLC) is used to realize data acquisition, logical operation and multiple-way valve control;
The GPRS wireless transport module is used for the remote data of said multiple-way valve controlling organization is transferred to the ipc monitor system.
The electrical control system figure that Fig. 5 provides for the utility model; The control flow block diagram that Fig. 6 provides for the utility model; Like Fig. 5, shown in Figure 6, L, N and 220V AC power are joined, and wherein N is a zero line.SA is a power on switch, and the two ends of relay coil KM11 join with the output of zero line and programmable logic controller (PLC) respectively.When PLC output high level, KM11 gets electric, and its corresponding contact KM1 is closed, the monopole asynchronous motor rotation; During output low level, the KM11 dead electricity, its corresponding contact KM1 breaks off, and motor stops.Through computer input pound sign, motor rotation expression is selecting well, motor to stop to represent to have chosen according to the pound sign of input the gas well of desire metering.
Therefore, the utility model is controlled the action of motor through relay through the cooperation of photoelectric encoder and programmable logic controller (PLC), thus the strobe position of control multiple-way valve, and then can realize automatically selecting well.
The utility model also carries out remote monitoring through the GPRS wireless transport module, can adapt to the unattended situation in remote mountain areas.
As shown in Figure 7, the utility model also comprises solar power supply apparatus 701, connects said multiple-way valve controlling organization; Said solar power supply apparatus comprises: solar panel, battery, inverter and control system.Can satisfy multiple-way valve action 2 times/day, 2 minutes actuation times/inferior; The continuous operation of 3 overcast and rainy systems.Therefore, for the area that the mountain area does not have normal electricity to supply, adopt solar power supply apparatus can ensure supply of electric power, the guarantee coal bed gas is selected the reliable and effective of well device.
Wherein, said data acquisition comprises the collection of flow, pressure and temperature signal, and the type of signal is RS485 interface signal and Modubus-RTU protocol signal.Said power transmission shaft 109 connects motor 114, and said motor is 220 volts of alternating current generators.
The quantity of said a plurality of individual well inlets is 11.Certainly, also can be chosen as 8,9 or other numbers as required.
As shown in Figure 4, each building block of multiple-way valve is following:
A plurality of individual wells inlet 101, compile outlet 102, metering outlet 103, middle rotary valve pillow 104, middle body lid 105, shunting assembly casing 106, many entire bodies 107, porous plane body 108, power transmission shaft 109, inner seal sleeve 110, center 111, lower bearing sleeve and bearing gland 112.
In the utility model, cooperate the teletransmission that realizes data with GPRS DTU wireless transport module through RS 485 communication interfaces.For the complicated applied environment of self adaptation well, improve the stability of system works, GPRS DTU provides the wide region power supply.The standard that provides support RS232/RS485 interface level, interface rate can freely be provided with from 300bps-115200bp s, 7 or 8 bit data positions, 1-2 position position of rest, parity function, optional hardware flow control.Automatically dial-up access GPRS network and keep real-time online after GPRS DTU powers on if accident goes offline, can be found and dialing login GPRS network again automatically automatically.GPRS DTU supports DDNS.The built-in ICP/IP protocol of GPRS DTU, support that need not background computer gets final product packing data, realizes TCP, UDP or FTP transmission.
Data terminal equipment (DTU) is provided for connecting the RS232/485 serial line interface of subscriber equipment.The free wireless public data transmission network of China Mobile, i.e. GPRS-1X network is for smart machine provides transparent data transmission channel.Data center receives or initiates through order, the data at reception and deal with data terminal, and the networking sketch map is shown in the following figure.
Adopt the RS485 communication modes between multiple-way valve and the GPRS DTU; Be transferred to Surveillance center through GPRS DTU wireless transparent; The computer of Surveillance center needs and can surf the Net; Can be to have fixed IP addresses or DDNS, if the computer of DDNS Surveillance center also need be installed a domain name mapping software, this software can guarantee that GPRS DTU still can pass to data on this computer accurately when outer net IP address changes.
By on can know that the utility model embodiment has following advantage:
1) shunting assembly casing 106 is positioned at the top of a plurality of individual well inlets 101; The coal gas that more helps each individual well gets in the shunting assembly casing 106 smoothly, and the interface that needs sealing is not at top; So the pressure of interface is not maximum, more help the coal gas sealing.
2) in the middle of rotary valve pillow 104 be shaped as " n " shape, the height at the two ends of gas passage wherein is lower than the height of said gas passage interlude, like this, the pressure of two ends interface is not maximum, more helps the coal gas sealing.
3) executing agency has only a motor, so the trouble point is few, and reliability is high;
4) in the time of need not measuring, can make metering process more flexible with No. 11 gas wells through the whole outlets of confluxing of leading of three way cock.
5) the utility model is controlled the action of motor through relay through the cooperation of photoelectric encoder and programmable logic controller (PLC), thus the strobe position of control multiple-way valve, and then can realize automatically selecting well.
6) the utility model also carries out remote monitoring through the GPRS wireless transport module, can adapt to the unattended situation in remote mountain areas.
The above only is the preferred implementation of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.
Claims (10)
1. a coal bed gas is selected the well device, comprises multiple-way valve, it is characterized in that,
Said multiple-way valve comprises: a plurality of individual well inlets (101), a metering outlet (102), and one is compiled outlet (103), power transmission shaft (109), middle rotary valve pillow (104) and shunting assembly casing (106);
Rotary valve pillow (104) in the middle of said power transmission shaft (109) connection is said, the selected individual well in the said metering outlet of said middle rotary valve pillow (104) connection (102) and the said a plurality of individual well inlet enters the mouth;
Said shunting assembly casing (106) is positioned at the top of said a plurality of individual well inlets (101), and said shunting assembly casing (106) is connected the said not selected individual well inlet that compiles in outlet (103) and the said a plurality of individual well inlet.
2. coal bed gas according to claim 1 is selected the well device, it is characterized in that, said multiple-way valve also comprises:
Many entire bodies (107) are connected said a plurality of individual well inlets (101);
Lead to plates (108) more, be positioned at the top of said many entire bodies (107), connect said a plurality of individual well inlets (101);
Rotary valve pillow (104) is through choosing an individual well inlet with said many logical plates (108) to fetching in the middle of said.
3. coal bed gas according to claim 2 is selected the well device, it is characterized in that, said middle rotary valve pillow (104) is provided with inner seal sleeve (110) with the end that said many logical plates (108) contact; An end of rotary valve pillow (104) the said metering outlet of connection (102) is provided with center (111) in the middle of said.
4. select the well device according to claim 1,2 or 3 described coal bed gas, it is characterized in that, each individual well inlet connects one road individual well pipeline, said outlet (103) the connection header that compiles;
Said metering outlet connects the metering pipeline, and said metering pipeline inserts said header after connecting gas flowmeter;
The position that each individual well pipeline inserts before the said individual well inlet is provided with three way cock, and said three way cock connects said header.
5. coal bed gas according to claim 4 is selected the well device, it is characterized in that, also comprises the multiple-way valve controlling organization, and said multiple-way valve controlling organization comprises:
Photoelectric encoder is used to indicate the strobe position of multiple-way valve;
Programmable logic controller (PLC) is used to realize data acquisition, logical operation and multiple-way valve control;
The GPRS wireless transport module is used for the remote data of said multiple-way valve controlling organization is transferred to the ipc monitor system.
6. coal bed gas according to claim 5 is selected the well device, it is characterized in that, also comprises solar power supply apparatus, connects said multiple-way valve controlling organization;
Said solar power supply apparatus comprises: solar panel, battery, inverter and control system.
7. coal bed gas according to claim 5 is selected the well device, it is characterized in that, said data acquisition comprises the collection of flow, pressure and temperature signal, and the type of signal is RS485 interface signal and Modubus-RTU protocol signal.
8. coal bed gas according to claim 5 is selected the well device, it is characterized in that, said power transmission shaft (109) connects 220 volts of alternating current generators.
9. coal bed gas according to claim 5 is selected the well device, it is characterized in that, the quantity of said a plurality of individual well inlets is 11.
10. coal bed gas according to claim 1 is selected the well device, it is characterized in that, the height at the two ends of the gas passage in the said middle rotary valve pillow (104) is lower than the height of said gas passage interlude.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201224839U CN202531153U (en) | 2012-03-28 | 2012-03-28 | Coal bed gas well choosing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201224839U CN202531153U (en) | 2012-03-28 | 2012-03-28 | Coal bed gas well choosing device |
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| Publication Number | Publication Date |
|---|---|
| CN202531153U true CN202531153U (en) | 2012-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201224839U Expired - Lifetime CN202531153U (en) | 2012-03-28 | 2012-03-28 | Coal bed gas well choosing device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363296A (en) * | 2012-03-28 | 2013-10-23 | 中联煤层气有限责任公司 | Coalbed methane well selecting device |
| CN103939051A (en) * | 2014-04-25 | 2014-07-23 | 北京迪威尔石油天然气技术开发有限公司 | Multi-way valve and machining method for multi-way valve |
| CN104100255A (en) * | 2013-04-12 | 2014-10-15 | 中国石油天然气股份有限公司 | Skid-mounted multi-well automatic well-selection metering device special for coal bed gas |
-
2012
- 2012-03-28 CN CN2012201224839U patent/CN202531153U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363296A (en) * | 2012-03-28 | 2013-10-23 | 中联煤层气有限责任公司 | Coalbed methane well selecting device |
| CN103363296B (en) * | 2012-03-28 | 2016-03-02 | 中联煤层气有限责任公司 | A kind of coal bed gas selects well device |
| CN104100255A (en) * | 2013-04-12 | 2014-10-15 | 中国石油天然气股份有限公司 | Skid-mounted multi-well automatic well-selection metering device special for coal bed gas |
| CN104100255B (en) * | 2013-04-12 | 2016-12-28 | 中国石油天然气股份有限公司 | A kind of coal bed gas special skid-mounted many wells automatic well-selecting metering device |
| CN103939051A (en) * | 2014-04-25 | 2014-07-23 | 北京迪威尔石油天然气技术开发有限公司 | Multi-way valve and machining method for multi-way valve |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121114 |