CN201138221Y - Oil, fume, water tri-phased low measuring apparatus - Google Patents
Oil, fume, water tri-phased low measuring apparatus Download PDFInfo
- Publication number
- CN201138221Y CN201138221Y CNU2007200753444U CN200720075344U CN201138221Y CN 201138221 Y CN201138221 Y CN 201138221Y CN U2007200753444 U CNU2007200753444 U CN U2007200753444U CN 200720075344 U CN200720075344 U CN 200720075344U CN 201138221 Y CN201138221 Y CN 201138221Y
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Abstract
The utility model provides an oil, gas and water three-phase flow measuring device, which is to overwhelm the problems of poor measuring effect and environmental pollution. The oil, gas and water three-phase flow measuring device provided by the utility model consists of a gas and liquid separation tank, a gas and liquid control tank, a mass flowmeter, a gas flowmeter, a liquid buffer tank, a liquid valve, a gas valve and a check valve which are connected through flanges and pipelines. The oil, gas and water three-phase flow measuring device is characterized in that the upper middle part of the gas and liquid separation tank is provided with an annular stepped falling gas and liquid separator; the middle of the gas and liquid control tank is provided with a slideway rod; an auxiliary gas and liquid control valve is arranged on a slideway; the top of the gas and liquid control tank is connected with a gas outlet pipe; a gas pipe is provided with a gas outlet valve, the gas flowmeter capable of compensating temperature and pressure, a gas flow control valve and the liquid buffer tank; the liquid outlet pipe of the gas and liquid control tank is provided with a liquid outlet valve, the mass flowmeter capable of compensating temperature and pressure, and a liquid flow control valve, and is joined with the gas pipe on the lower part of the liquid buffer tank through a pipe to form a manifold which is connected with a production pipeline. The oil, gas and water three-phase flow measuring device is used for the on-line measurement of oil, gases and water automatic phase separation.
Description
Technical field:
The utility model relates to oil, gas, water three-phase flow metering apparatus.
Background technology
At present, the production metering of oil wells in domestic many oil fields mainly adopts the manual gaging, be glass jar, tipping bucket, volumeter gauging, application density oil well two phase-separating device, oil Well three Phase Separating-Metering Device and gaugings such as liquid level build-up method, power graph method, and multiphase flow rate measuring apparatus, existing measuring apparatus is measured weak effect under actual condition, there are weak points such as contaminated environment in the employing isotope measure principle that has.
The utility model content
The utility model measures weak effect in order to overcome existing apparatus under actual condition, problem of environment pollution caused provides a kind of oil free from environmental pollution, gas, water three-phase flow metering apparatus.
The technical solution of the utility model connects composition with pipeline with knockout drum, gas-liquid controlling tank, mass flowmeter, gas meter, fluid cushion jar, liquid valve, gas trap, non-return valve by flange, it is characterized in that the knockout drum upside links to each other with the gas-liquid induction pipe; The gas-liquid separation tank top is provided with gas outlet tube and links to each other with gas-liquid controlling tank upside; The middle part is provided with annular step scalariform drop type gas-liquid separator on the knockout drum; The knockout drum bottom is provided with liquid outlet tube and links to each other with gas-liquid controlling tank bottom; The gas-liquid separation pot bottom is provided with residual cake valve; The gas-liquid controlling tank is made up of tank body and cover, with nut with tank body and cover sealed attachment; Gas-liquid controlling tank top is provided with gas vent operation valve valve seat orifice, and gas-liquid controlling tank top is provided with the gas circuit, and barrier air is to the interference of gas-liquid control valve valve pair, and the gas circuit tangentially connects with gas feed; Gas-liquid controlling tank bottom is provided with liquid-inlet and is connected with liquid line, and the middle part is provided with internal side wall composition liquid stream circuit under liquid outlet operation valve valve seat orifice and the controlling tank, the interference of retaining liquid stream to gas-liquid control valve valve pair of holding concurrently under the gas-liquid controlling tank; Gas-liquid controlling tank bottom also is provided with liquid outlet tube, and the bottom is provided with residual cake valve; Gas-liquid controlling tank middle part is provided with the slideway bar, and gas-liquid control valve valve pair is installed on the slideway; The gas vent valve seat orifice of gas-liquid controlling tank tops links to each other with the gas vent pipeline, and gas meter, gas flow regulating valve and the fluid cushion jar of gas vent valve, band temperature and pressure compensation is housed on the gas piping; The liquid outlet pipeline of gas-liquid controlling tank is equipped with liquid outlet valve, band temperature and pressure compensation mass flowmeter, fluid flow variable valve, converges with fluid cushion jar lower gas pipeline by the road with being merged into header, non-return valve is housed on the header is connected on the production flow line.
Each parts that the utility model adopted do not have the contaminated environment factor; In the gas-liquid controlling tank, be provided with the liquid outlet operation valve, so this device is controlled gas, liquid flows to reliable.The circulation area of the ladder channel of the gas-liquid separator of this device is greater than the circulation area of gas-liquid induction pipe, and when the gas-liquid flow was very big, the pressure loss was little; When the gas-liquid flow very hour because gas-liquid liquid will be flowed through and be fallen channel, gas-liquid separation effect is good.This measuring apparatus is simple in structure, volume is little, and can measure numerical value mutually, also the three-phase flow point can be measured mutually the numerical value teletransmission to central computer by online demonstration three-phase flow point; The pressure loss is little; Being applicable to the automatic phase-splitting on-line metering of oil, gas, water of individual well, gas-liquid delivery, the individual phase measurement accuracy can reach ± and 1～2%.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Figure 21 is a drop type annular step ladder type gas-liquid separator front view, and Figure 22 is a vertical view.
Fig. 3 is the synoptic diagram of gas-liquid controlling tank cover gas vent operation valve valve seat orifice.
Fig. 4 is the synoptic diagram of gas-liquid controlling tank lower liquid discharge control valve valve seat orifice.
Fig. 5 is the synoptic diagram of floater controlled valve valve pair.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
This device (see figure 1) is connected with tangential manner with annular step scalariform drop type gas-liquid separators 21 inlets that are arranged on knockout drum 2 interior upward middle parts by gas-liquid induction pipe 1.
Gas-liquid separator 21 annular step scalariform drop type structures (are seen Fig. 2
1, Fig. 2
2) constitute by back up pad 21.1, inner core 21.4, urceolus 21.3 and stepped plate 21.2, vertically place the middle and upper part in the knockout drum 2, join and the center symmetry by the middle and upper part in back up pad 21.1 and the knockout drum 2.
The inner core 21.4 of gas-liquid separator 21, urceolus 21.3 and stepped plate 21.2 constitute two layers of ladder channel, on enclose on the channel stepped plate and decline fluid hole, following circle stepped plate has a plurality of fluid holes 21.5, and a plurality of gas ports 21.6 are arranged on gas-liquid separator urceolus 21.3 sidewalls.
Gas-liquid mixture fluid tangentially enters annular step scalariform drop type gas-liquid separator 21 by gas-liquid induction pipe 1, gas-liquid is fallen the bump initial gross separation more than 21.2 time through circle stepped plate on the separation vessel, then the ladder through astragal fluid hole 21.5 under the separation vessel continues to fall the separation of bump sieve liquid, liquid runs down separation vessel inner core 21.4 awl limits fall, and gas gathers in the inner chamber of separating tank top along the gas port 21.6 of ladder channel top urceolus 21.3.Annular step scalariform drop type rectangle distribution channel area is greater than the circulation area of gas-liquid induction pipe, and when gas-liquid mixed flow hour, fluid-mixing has good gas-liquid separation effect through repeatedly falling bump.Also have good gas-liquid separation effect not produce the bigger pressure loss when the gas-liquid mixed flow is big, the free gas in the gas-liquid mixture fluid that is come by the gas-liquid import can reach and separate fully and most of hatching gas separates.
Gas-liquid controlling tank 4 (Fig. 1) is by shell flange, cylindrical shell, bottom bulkhead, cover, 2～3 slideways 16, up and down slideway back up pads 18,14, operation valve valve seat 5,15, gas outlet tube 6, liquid outlet tube 20, residual cake valve 12.4 and leg are formed up and down.
The flange 5.1 (Fig. 3) of gas-liquid controlling tank cover 5.2 bolt and tank flange sealed attachment.The valve seat orifice 5.0 of gas-liquid controlling tank top gas discharge control valve places cover inside top center, the aperture is identical with gas-liquid induction pipe 3,19 (Fig. 1) internal diameter, the aperture is an inner conical, and tapering is 40 °～60 °, and gas vent valve base mouth communicates with gas outlet tube 6.
Liquid outlet operation valve valve seat mouth (Fig. 1, Fig. 4) is set in the middle of gas-liquid controlling tank 4 bottoms, and gas-liquid controlling tank 4 middle parts mouth thus communicate with the bottom, and the valve seat orifice internal diameter is identical with gas-liquid induction pipe internal diameter, and the aperture is an inner conical, and tapering is 40 °～60 °.
The cylindrical bar of 2～3 guide slides 16 in gas-liquid controlling tank 4 middle parts is connected support by upper and lower support plate 18,14 with a jar inwall, and slideway bar mounting center circle is concentric with the liquid control valve valve seat orifice.
Floater controlled valve 17 is set in the middle part of in the gas-liquid controlling tank 4 to slide up and down with the liquid surface liftings in the jar 4 about in the of 16 along slideways, floater controlled valve (Fig. 5 in the middle of in the gas-liquid controlling tank 4,) form by bottom spool 17.1, pipe 17.2, ball float 17.3, slideway ring 17.4, pipe 17.5 and upper valve core 17.6, the ball float of floater controlled valve respectively is provided with section of a pipe and the connection of last bottom spool in the center, two ends about in the of 17.3, two pipes do not pass ball float inside, and the ball float outside diameter respectively is provided with 2～3 slideway rings 17.4 up and down; Two spools 17.1,17.6 are the cylindrical taper, and cone angle is 40 °～60 °, and two spools, the center circle of pipe, slideway annular distance is concentric with ball float up and down; Pipe one end connects with the ball float two ends are concentric up and down, and pipe does not pass the ball float center up and down, and the pipe other end is connected with last bottom spool up and down; Ball float is the long waist shaped hollow ball, and two ends are oval spherical, and the centre is cylindrical.Floater controlled valve 17 is formed floater controlled valve valve pair with gas-liquid controlling tank 4 a top gas outlet valve seat orifice 5 and a jar bottom intermediate liquid outlet valve seat orifice 15.The ball float of floater controlled valve valve pair prolongs jar interior 2～3 slideways and slides up and down, and realizes opening, closing gas vent valve seat orifice 5 and liquid outlet valve seat orifice 15.
Under normal operation, gas exhausting valve and discharge opeing operation valve are normally open.The purpose that operation valve is set in gas-liquid controlling tank 4 is that ball float rises, and closes gas vent when liquid level is very high in the jar, and gas meter suspends metering; When liquid level in the jar is very low, the outlet of ball float decline closing liquid, mass flowmeter suspends metering, thereby effectively controls the metering of gas-liquid flow.The gas outlet tube of gas-liquid controlling tank 4 and gas vent valve 7.1 (are annotated: full-gear, maintenance is closed during gas meter), the gas meter 8 of band temperature and pressure compensation, gas flow regulating valve 7.2 (annotating: when opening gas meter, open to standard-sized sheet gradually from closed condition), fluid cushion jar 9, gas- liquid header 10,11 link to each other.The liquid outlet tube 20 that gas-liquid controlling tank 4 middle and lower parts are provided with (is annotated: full-gear with liquid outlet valve 12.1, close during the repair quality flowmeter), mass flowmeter 13, fluid flow variable valve 12.2 (annotating: during game clock, open to standard-sized sheet gradually from closed condition) link to each other with gas-liquid header 10, non-return valve 11.
Claims (5)
1. oil, gas, water three-phase flow metering apparatus, adopt flange knockout drum, gas-liquid controlling tank, mass flowmeter, gas meter, fluid cushion jar, liquid valve, gas trap, non-return valve to be connected composition, it is characterized in that the knockout drum upside links to each other with the gas-liquid induction pipe with pipeline; Knockout drum top gas outlet links to each other with gas-liquid controlling tank upside; Middle part dress annular step scalariform drop type gas-liquid separator on the knockout drum; Knockout drum lower liquid outlet links to each other with gas-liquid controlling tank bottom; Gas-liquid separation pot bottom dress residual cake valve; The gas-liquid controlling tank by nut with tank body and cover sealed attachment; Gas vent operation valve valve seat orifice is arranged at gas-liquid controlling tank top, and the gas circuit is arranged at gas-liquid controlling tank top, and the gas circuit tangentially connects with gas feed; The import of gas-liquid controlling tank lower liquid is connected with liquid line, internal side wall composition liquid stream circuit under middle part liquid outlet operation valve valve opening seat and the controlling tank under the gas-liquid controlling tank; Liquid outlet tube is established in gas-liquid controlling tank bottom, and residual cake valve is arranged at the bottom; There is the slideway bar at gas-liquid controlling tank middle part, and gas-liquid control valve valve pair is installed on the slideway; The gas vent valve seat orifice of gas-liquid controlling tank tops links to each other with the gas vent pipeline, and gas meter, gas flow regulating valve and the fluid cushion jar of gas vent valve, band temperature and pressure compensation is housed on the gas piping; The liquid outlet pipeline of gas-liquid controlling tank is equipped with liquid outlet valve, band temperature and pressure compensation mass flowmeter, fluid flow variable valve, converges with fluid cushion jar lower gas pipeline by the road with being merged into header, and the header loaded check valve also connects production flow line.
2. oil according to claim 1, gas, water three-phase flow metering apparatus is characterized in that annular step scalariform drop type gas-liquid separator is joined and the center symmetry by the middle and upper part in back up pad and the knockout drum; The inner core of gas-liquid separator, urceolus and stepped plate constitute two layers of ladder channel, and following circle stepped plate has a plurality of fluid holes.
3. oil according to claim 1 and 2, gas, water three-phase flow metering apparatus is characterized in that the valve seat orifice of gas-liquid controlling tank top gas discharge control valve places cover inside top center, and the aperture is an inner conical, and tapering is 40 °～60 °.
4. oil according to claim 1 and 2, gas, water three-phase flow metering apparatus is characterized in that intermediate liquid discharge control valve valve seat aperture, gas-liquid controlling tank bottom is an inner conical, and tapering is 40 °～60 °.
5. oil according to claim 1 and 2, gas, water three-phase flow metering apparatus, it is characterized in that gas-liquid control valve valve pair is floater controlled valve valve pair, ball float is the long waist shaped hollow ball, two ends are oval spherical, the centre is cylindrical, ball float center, two ends up and down respectively connects section of a pipe and the connection of last bottom spool, and two pipes do not pass ball float inside, and the ball float outside diameter respectively is provided with 2～3 slideway rings up and down; Two spools are the cylindrical taper, and cone angle is 40 °～60 °, and two spools, the center circle of pipe, slideway annular distance is concentric with ball float up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200753444U CN201138221Y (en) | 2007-10-09 | 2007-10-09 | Oil, fume, water tri-phased low measuring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200753444U CN201138221Y (en) | 2007-10-09 | 2007-10-09 | Oil, fume, water tri-phased low measuring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201138221Y true CN201138221Y (en) | 2008-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200753444U Expired - Lifetime CN201138221Y (en) | 2007-10-09 | 2007-10-09 | Oil, fume, water tri-phased low measuring apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN201138221Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102458667A (en) * | 2009-04-06 | 2012-05-16 | 伊安·格雷 | Gas-liquid-solid separator |
| CN101408445B (en) * | 2007-10-09 | 2012-07-04 | 上海一诺仪表有限公司 | Oil, gas and water three-phase flow metering apparatus |
| CN110398267A (en) * | 2019-07-23 | 2019-11-01 | 上海一诺仪表有限公司 | A kind of three-phase measuring system that realizing logic control and metering method |
| CN117072137A (en) * | 2023-10-18 | 2023-11-17 | 河北圣佳科技股份有限公司 | Associated gas on-line pre-separation device before heating and metering liquid discharged from oil extraction well |
-
2007
- 2007-10-09 CN CNU2007200753444U patent/CN201138221Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101408445B (en) * | 2007-10-09 | 2012-07-04 | 上海一诺仪表有限公司 | Oil, gas and water three-phase flow metering apparatus |
| CN102458667A (en) * | 2009-04-06 | 2012-05-16 | 伊安·格雷 | Gas-liquid-solid separator |
| CN110398267A (en) * | 2019-07-23 | 2019-11-01 | 上海一诺仪表有限公司 | A kind of three-phase measuring system that realizing logic control and metering method |
| CN110398267B (en) * | 2019-07-23 | 2021-05-11 | 上海一诺仪表有限公司 | Oil-water-gas three-phase metering system and metering method for realizing logic control |
| CN117072137A (en) * | 2023-10-18 | 2023-11-17 | 河北圣佳科技股份有限公司 | Associated gas on-line pre-separation device before heating and metering liquid discharged from oil extraction well |
| CN117072137B (en) * | 2023-10-18 | 2023-12-12 | 河北圣佳科技股份有限公司 | Associated gas on-line pre-separation device before heating and metering liquid discharged from oil extraction well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20081022 Effective date of abandoning: 20071009 |