CN106996289A - A kind of natural gas individual well multiphase flow metering equipment - Google Patents
A kind of natural gas individual well multiphase flow metering equipment Download PDFInfo
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- CN106996289A CN106996289A CN201710232515.8A CN201710232515A CN106996289A CN 106996289 A CN106996289 A CN 106996289A CN 201710232515 A CN201710232515 A CN 201710232515A CN 106996289 A CN106996289 A CN 106996289A
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 239000003345 natural gas Substances 0.000 title claims abstract description 39
- 238000000926 separation method Methods 0.000 claims abstract description 206
- 239000007788 liquid Substances 0.000 claims abstract description 191
- 239000007789 gas Substances 0.000 claims abstract description 115
- 238000012545 processing Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 67
- 239000012530 fluid Substances 0.000 claims description 29
- 238000004880 explosion Methods 0.000 claims description 15
- 230000008676 import Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 7
- 238000002955 isolation Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 23
- 238000004519 manufacturing process Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 9
- 238000013461 design Methods 0.000 description 6
- 241000233855 Orchidaceae Species 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 206010063493 Premature ageing Diseases 0.000 description 2
- 208000032038 Premature aging Diseases 0.000 description 2
- 238000009530 blood pressure measurement Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000008258 liquid foam Substances 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 241000521257 Hydrops Species 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/34—Arrangements for separating materials produced by the well
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
- E21B47/07—Temperature
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- Life Sciences & Earth Sciences (AREA)
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- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The present invention discloses a kind of natural gas individual well multiphase flow metering equipment, including gas-liquid separation containment system, gas metering system, liquid meter control system, pressure measuring element, temperature-measuring element and signal processing system；It is adapted to measurement and intermittently goes out liquid gas well to bubble row, plunger lift for largely existing etc. effectively to measure, measuring accuracy can be improved, suitable field extreme environment is used, lightly, use cost is low, function is more powerful, measurement is safe to use, automatization level is high, saves manpower, device resource, meets natural gas individual well metering requirements, applicable situation extensively, using and market prospects it is considerable.
Description
Technical field
The present invention relates to measuring equipment technical field, and in particular to a kind of natural gas individual well multiphase flow metering equipment.
Background technology
At present, natural gas field uses concatenation, well head moisture metering process between well, using the metering individual well production of single-phase flowmeter
Tolerance, without individual well production liquid metering.As gas field enters stable yields stage, no individual well production liquid data constraint gas well fine-grained management and row
The measure of hydromining gas preferably and effect assessment.Evaluated to grasp gas well production regimen condition and emphasis well measure effect, scene is more using sled
Separate measurement device traverse measurement gas well gas output of fluid is filled, but the equipment is huge, construction is complicated, and use cost is higher, it is impossible to
Continuous metering is carried out to all individual wells.Gas as single well yield is measured using throttling arrangement at present, tried by scene in recent years
Test and show, the flowmeter can meet low consumption of the liquid it is stable go out liquid gas well gas-liquid two-phase metering, gas-liquid metering error is respectively ±
5%-- ± 20%.But go out liquid gas well to the interval such as bubble row, plunger lift for largely having existed at present can not effectively measure.Gas field
It is most of with the gradually reduction of gas well yield using concatenation between well, the gas well mouths nearly up to ten thousand of well head moisture metering process
Gas well has started to take the water pumping gas production measures such as bubble row, plunger lift, and no individual well production liquid data influence water pumping gas production is effectively carried out.
With the deep propulsion of " obtaining through refining synergy, precision management ", gas well production liquid metering is all the more paid attention to.Prized and moved using well head separate measurement
Dynamic testing cost is high, and large area is carried out unrealistic.
For this reason, it may be necessary to a kind of natural gas individual well multiphase flow metering equipment, above-mentioned asked with solve in the presence of prior art
Topic.
The content of the invention
It is an object of the invention to provide a kind of natural gas individual well multiphase flow metering equipment, to solve to be deposited in the prior art
Equipment it is huge, construction is complicated, and use cost is higher, it is impossible to carry out continuous metering to all individual wells, such as to big at present
The interval such as bubble row, plunger lift that amount is present, which goes out liquid gas well, effectively to measure, and is adopted without individual well production liquid data influence draining
Gas is effectively carried out, and testing cost is high, it is impossible to the problems such as wide popularization and application.
To achieve the above object, the present invention provides a kind of natural gas individual well multiphase flow metering equipment, including gas-liquid separation is held
Device system, gas metering system, liquid meter control system, pressure measuring element, temperature-measuring element and signal processing system；
The gas-liquid separation containment system include import adpting flange, inlet pipeline, inlet baffle plate, sawtooth, slanting baffle,
Separation container bottom plate, gas-liquid separation net, separation container bind, separation container cylinder, dividing plate and separation chamber's bottom plate；Separation container is sealed
Top solder is on separation container cylinder top, separation container cylinder lower weld separation container bottom plate, and gas-liquid separation net is welded on point
From shell top, import adpting flange is welded with inlet pipeline, and inlet pipeline is fixed through separation container barrel soldering, entered
Perforate is provided with liquid mouthful baffle plate, the position of inlet pipeline is corresponding with inlet baffle plate position of opening, and sawtooth is evenly arranged in
Slanting baffle upper surface, dividing plate is by separation container cylinder upper isolation into two separate spaces, and inlet baffle plate, which is connected to separation, to be held
Between device cylinder inner left wall and dividing plate left side wall, inlet baffle plate setting be horizontal direction, the side of slanting baffle welding diaphragm,
Separation chamber's bottom plate is welded on the separation chamber that dividing plate lower end constitutes relative closure with separation container cylinder；
The gas metering system binds including separation container, gas vent connecting pipe, gas flowmeter, gas flow
Count signal wire, flange connecting screw, gas flowmeter rear portion connecting pipe and gas pipeline coupling flange；Gas vent connecting tube
Road bottom is welded on separation container and bound top, and the import of gas vent connecting pipe top and gas flowmeter is connected by flange
Connect screw to fix, outlet and the gas flowmeter rear portion connecting pipe of gas flowmeter are mutually fixed by flange connecting screw, gas
The port of export of flowmeter body rear portion connecting pipe is provided with gas pipeline adpting flange, and the signal of gas flowmeter passes through gas stream
Gauge signal wire is transmitted；
The liquid meter control system includes separation chamber's bottom plate, separation container cylinder, pressure pipeline and flange in liquid level,
Pressure under liquid level gauge upper diaphragm flange, liquid level gauge connecting pipe, fluid level transmitter base fixed screw, flange connecting screw, liquid level
Diaphragm flange, fluid level transmitter, liquid level signal line, liquid outlet connecting pipe, anti-explosion electric are cut under pipeline and flange, liquid level gauge
Pipeline, fluid pipeline adpting flange, stop valve signal wire, horizontal baffle, separation water exit conduit and method after disconnected valve, stop valve
Orchid, separation water stop valve, separation water enter primary tank pipeline and flange and separation water stop valve signal wire；Separation container cylinder top
Pressure pipeline and flange in pressure pipeline and flange, liquid level is provided with liquid level to be connected by flange with liquid level gauge upper diaphragm flange
Screw is mutually fixed, and liquid level gauge upper diaphragm flange is connected with liquid level gauge connecting pipe, and separation container cylinder bottom is provided with liquid level
Pressure pipeline and flange are mutually fixed with diaphragm flange under liquid level gauge by flange connecting screw under pressure pipeline and flange, liquid level,
Diaphragm flange is connected with liquid level gauge connecting pipe under liquid level gauge, and fluid level transmitter is connected with liquid level gauge connecting pipe, level transmitting
Device signal is transmitted by liquid level signal line, and fluid level transmitter is fixed on horizontal baffle by fluid level transmitter base fixed screw
Portion, liquid outlet connecting pipe root is connected to separation container cylinder bottom, the outlet of liquid outlet connecting pipe and anti-explosion electric
Dynamic stop valve import is mutually fixed by flange connecting screw, and pipeline passes through flange behind the outlet of anti-explosion electric stop valve and stop valve
Connecting screw is mutually fixed, and fluid pipeline adpting flange is arranged on the exit of pipeline after stop valve, the control of anti-explosion electric stop valve
Signal processed is transmitted by stop valve signal wire；Water exit conduit and flange root weld are separated in separation container cylinder, delivery port
And on separation chamber bottom plate top, separate water exit conduit and flange and separation water stop valve mutually solid by flange connecting screw
Fixed, separation water stop valve enters primary tank pipeline and flange with separation water mutually to be fixed by flange connecting screw, and separation water enters main appearance
Device pipeline and flanged outlet pipe are welded on separation container cylinder and entered inside container, and separation water cuts off valve control signal by dividing
From the transmission of water stop valve signal wire；
The pressure measuring element binds including separation container, pressure pressure pipe, valve of pressure, pressure transmitter base
Joint, pressure transmitter and pressure signal line；Pressure pressure pipe is bound top installed in separation container, and valve of pressure is connected to
Pressure pressure pipe rear portion, pressure transmitter base joint is connected to valve rear portion of pressure, and pressure transmitter becomes installed in pressure
Send on device base joint, pressure transmitter signal is transmitted by pressure signal line；
The temperature-measuring element includes gas flowmeter rear portion connecting pipe, temperature base, temperature element (TE and temperature letter
Number line；Temperature base is provided with the connecting pipe of gas flowmeter rear portion, temperature element (TE is arranged on temperature base, temperature element (TE
Signal transmitted by temperature signal line；
The signal processing system includes pressure signal line, temperature signal line, gas flowmeter signal wire, liquid level signal
Line, stop valve signal wire, separation water stop valve signal wire, explosion-proof tank mounting and fixing bracket, explosion-proof tank, signal transacting instrument and letter
Number explosion-proof wiring head；Explosion-proof tank is arranged on explosion-proof tank fixed support, and signal transacting instrument is arranged on inside explosion-proof tank, and signal is prevented
Quick-fried connector lug is arranged on explosion-proof tank bottom, and signal transacting instrument is arranged in explosion-proof tank, pressure signal line, temperature signal line, gas
Flowmeter body signal wire, liquid level signal line, stop valve signal wire and separation water stop valve signal wire pass through signal explosion-proof wiring head
It is connected in access explosion-proof tank and with signal transacting instrument.
Optionally, the measuring equipment also includes box assembly, and the box assembly includes cabinet shell；Gas-liquid separation is held
Device system, gas metering system, liquid meter control system, pressure measuring element, temperature-measuring element and signal processing system
It is arranged in cabinet shell.
Optionally, the box assembly also includes heat-insulation layer, and heat-insulation layer, which is pasted, to be arranged on the madial wall of cabinet shell.
Optionally, the quantity of slanting baffle is at least two.
Optionally, slanting baffle interlaced arrangement is in inlet baffle plate bottom.
Optionally, the side of slanting baffle welding diaphragm, separation chamber's bottom plate is welded on dividing plate lower end and separation container cylinder structure
Into the separation chamber of relative closure；Inlet baffle plate is welded to connect between separation container cylinder inner left wall and dividing plate left side wall.
Optionally, gas pipeline adpting flange is welded on the port of export of gas flowmeter rear portion connecting pipe.
Optionally, in liquid level pressure pipeline and flange welding on separation container cylinder top；Pressure pipeline and method under liquid level
Orchid is welded on separation container cylinder bottom.
Optionally, liquid outlet connecting pipe root weld is in separation container cylinder bottom；Fluid pipeline adpting flange is welded
It is connected on the exit of pipeline after stop valve.Water exit conduit and flange root weld are separated in separation container cylinder, delivery port is simultaneously
And on separation chamber bottom plate top, separation water exit conduit and flange are mutually fixed with separation water stop valve by flange connecting screw,
Separation water stop valve enters primary tank pipeline and flange with separation water mutually to be fixed by flange connecting screw, and separation water enters primary tank pipe
Road and flanged outlet pipe are welded on separation container cylinder and entered inside container.
Optionally, temperature tube chamber welds with base is on the connecting pipe of gas flowmeter rear portion.
The invention has the advantages that：
The natural gas individual well multiphase flow metering equipment of the present invention, can solve the problem that the equipment in the presence of prior art is huge,
Construction is complicated, and use cost is higher, it is impossible to which all individual wells are carried out with continuous metering, for example the bubble largely existed at present is arranged,
The interval such as plunger lift, which goes out liquid gas well, effectively to measure, and effectively carries out without individual well production liquid data influence water pumping gas production, survey
Try cost high, it is impossible to the problems such as wide popularization and application；It specifically has the advantages that：(1) it uses miniaturization gas-liquid point
From the mentality of designing of container, it is effective reduction separation container volume and raising separating effect, dividing plate is arranged inside separation container
With inlet baffle plate, inlet is provided with feed liquor baffle plate, it is corresponding with inlet ductwork, prevent inlet liquid from spilling everywhere, influence point
From effect；, can be effectively by gas-liquid separation, and by foam in slanting baffle surface layout sawtooth in lower disposed slanting baffle
Abolish；Gas-liquid separation net is arranged on separation container top, separating effect is further improved；(2) its separation container using standard without
Slit-tube road is manufactured, and effectively improves separation container pouring, is improved security, be can simultaneously serve as volumetric standard, pass through liquid level
Reference can calculate liquid capacity, the operation method can avoid gas well go out liquid it is unstable on liquid flow measurement influence, so not
Need to redesign fluid flowmeter, also greatly reduce equipment investment；(3) its level gauging is double using double flange liquid level transmission devices
Double flanges of flange liquid level transmission device have measurement contact surface big, effectively prevent liquid impurity and liquid foam from being produced to level gauging
Raw influence, and with high measurement stability and measurement accuracy；(4) it is effectively prevented using liquid level to cutting-off valve control
Only liquid level is not enough, and gas enters liquid line, causes liquid meter error occur, while it is too high to prevent liquid level, influences gas
Liquid separating effect；(5) it is provided with temperature, pressure measurement unit, and system temperature is monitored with pressure, safeguards system work
Safety；Temperature, pressure signal can be compensated to gas flowmeter measured value again, further improve gas flowmeter measurement essence
Degree；(6) it uses Explosion-proof valve, explosion-proof measuring instrumentss and system to use Explosion-proof Design, signal transacting instrument is placed on explosion-proof
In case, natural gas metering system requirement of explosion proof is met, meets natural gas metering system safe design specification；(7) its all measurement
Part is both placed in casing, it is to avoid measuring system is exposed to the weather, it is to avoid environmental factor causes measuring instrumentss premature aging
With damage, while guard box uses self-heat conserving mentality of designing, it can avoid such as under the low operating mode of northern field winter temperature, keeping away
Exempt to cause harm to measuring system and (particularly avoid liquid in separation container from freezing) so that instrument is not allowed still in low temperature environment
It is fragile；(8) its compact overall structure, equipment is light and handy, and easy for installation, perfect in shape and function is powerful, non-without the requirement of any additional conditions
Often it is adapted to natural gas individual well installation environment.To sum up, natural gas individual well multiphase flow metering equipment of the invention, is especially suitable for measurement pair
The interval such as bubble row, plunger lift for largely existing goes out liquid gas well and effectively measured；It uses specially designed miniaturization gas-liquid separation
System, will be effectively separated in gas from liquid, measures respectively, to effectively improve measuring accuracy；Its ingenious use standard is held
Hydrops position method is to liquid meter, and how much liquid meter well liquid body of not being bullied is influenceed, and it, to liquid control, is effectively kept away using stop valve
Exempt from emptying rate of liquid and cause measurement error；And valve is controlled using liquid level, valve frequent movement is prevented effectively from；Use liquid
Position, pressure, temperature carry out security control；Designed using self-insurance incubator, meet northern field extreme environment and use；It designs new
Grain husk, delicate structure is powerful, can solve the problem that natural gas individual well multiphase flow metering problem；The equipment is prized than traditional separate measurement
Structure has that light and handy, use cost is low, function is more powerful, the measurement more high advantage of safety in utilization；It uses advanced survey
Control Technology design thinking, automatization level is high, can effectively save manpower, device resource, meet natural gas individual well metering requirements,
Applicable situation extensively, using and market prospects it is considerable.
Brief description of the drawings
Fig. 1 is the structural representation of the natural gas individual well multiphase flow metering equipment of the present invention.
In figure, 1 is import adpting flange, and 2 be inlet pipeline, and 3 be inlet baffle plate, and 4 be sawtooth, and 5 be slanting baffle, and 6 are
Separation container bottom, 7 be gas-liquid separation net, and 8 bind for separation container, and 9 be separation container cylinder, and 10 be dividing plate, and 11 be pressure
Pressure pipe, 12 be valve of pressure, and 13 be pressure transmitter base joint, and 14 be pressure transmitter, and 15 be pressure signal line, 16
It is temperature base for gas vent connecting pipe, 17,18 be temperature element (TE, and 19 be temperature signal line, and 20 be gas flowmeter, 21
It is gas flowmeter rear portion connecting pipe for gas flowmeter signal wire, 22,23 be gas pipeline adpting flange, and 24 be in liquid level
Pressure pipeline and flange, 25 be liquid level gauge upper diaphragm flange, and 26 be liquid level gauge connecting pipe, and 27 be that fluid level transmitter base fixes spiral shell
Silk, 28 be flange connecting screw, and 29 be pressure pipeline and flange under liquid level, and 30 be diaphragm flange under liquid level gauge, and 31 be that liquid level becomes
Device is sent, 32 be liquid level signal line, and 33 be explosion-proof tank mounting and fixing bracket, and 34 be explosion-proof tank, and 35 be signal transacting instrument, and 36 be letter
Number explosion-proof wiring head, 37 be liquid outlet connecting pipe, and 38 be anti-explosion electric stop valve, and 39 be pipeline after stop valve, and 40 be liquid
Body pipeline coupling flange, 41 be stop valve signal wire, and 42 be horizontal baffle, and 43 be cabinet shell, and 44 be heat-insulation layer, and 45 be separation
Room bottom plate, 46 be separation water exit conduit and flange, and 47 be separation water stop valve, and 48 be that separation water enters primary tank pipeline and method
Orchid, 49 be separation water stop valve signal wire.
Embodiment
Following examples are used to illustrate the present invention, but are not limited to the scope of the present invention.
Embodiment 1
A kind of natural gas individual well multiphase flow metering equipment, as shown in figure 1, including gas-liquid separation containment system, gas dosing
System, liquid meter control system, pressure measuring element, temperature-measuring element and signal processing system；
The gas-liquid separation containment system include import adpting flange 1, inlet pipeline 2, inlet baffle plate 3, sawtooth 4, tiltedly
Baffle plate 5, separation container bottom plate 6, gas-liquid separation net 7, separation container bind 8, separation container cylinder 9, dividing plate 10 and separation chamber bottom
Plate 45；Separation container, which binds, 8 is welded on the top of separation container cylinder 9, the lower weld separation container bottom plate 6 of separation container cylinder 9,
Gas-liquid separation net 7 is welded on the top of separation container cylinder 9, and import adpting flange 1 is welded with inlet pipeline 2, and inlet pipeline 2 is passed through
Separation container cylinder 9 is welded and fixed, and perforate is provided with inlet baffle plate 3, and position and the inlet baffle plate 3 of inlet pipeline 2 are opened
Hole site is corresponding, and sawtooth 4 is evenly arranged in the upper surface of slanting baffle 5, and dividing plate 10 is by the upper isolation of separation container cylinder 9 into two
Separate space, inlet baffle plate 3 is connected between the inner left wall of separation container cylinder 9 and the left side wall of dividing plate 10, inlet baffle plate 3
Horizontal direction is set to, the side of the welding diaphragm 10 of slanting baffle 5, separation chamber's bottom plate 45 is welded on the lower end of dividing plate 10 and separation container
Cylinder 9 constitutes the separation chamber of relative closure；
The gas metering system binds 8, gas vent connecting pipe 16, gas flowmeter 20, gas including separation container
Flowmeter body signal wire 21, flange connecting screw 28, gas flowmeter rear portion connecting pipe 22 and gas pipeline coupling flange 23；
The bottom of gas vent connecting pipe 16 is welded on separation container and bound 8 tops, the top of gas vent connecting pipe 16 and gas stream
The import of gauge 20 is fixed by flange connecting screw 28, outlet and the gas flowmeter rear portion connecting pipe of gas flowmeter 20
22 are mutually fixed by flange connecting screw 28, and the port of export of gas flowmeter rear portion connecting pipe 22 is provided with gas pipeline connection
Flange 23, the signal of gas flowmeter 20 is transmitted by gas flowmeter signal wire 21；
The liquid meter control system includes pressure pipeline and method in separation chamber's bottom plate 45, separation container cylinder 9, liquid level
Orchid 24, liquid level gauge upper diaphragm flange 25, liquid level gauge connecting pipe 26, fluid level transmitter base fixed screw 27, flange connecting screw
28th, diaphragm flange 30, fluid level transmitter 31, liquid level signal line 32, liquid discharge under pressure pipeline and flange 29, liquid level gauge under liquid level
Pipeline 39, fluid pipeline adpting flange 40, stop valve signal wire after mouth connecting pipe 37, anti-explosion electric stop valve 38, stop valve
41st, horizontal baffle 42, separation water exit conduit and flange 46, separation water stop valve 47, separation water enter primary tank pipeline and flange
48 and separation water stop valve signal wire 49；The top of separation container cylinder 9 is provided with liquid level in pressure pipeline and flange 24, liquid level
Pressure pipeline and flange 24 are mutually fixed with liquid level gauge upper diaphragm flange 25 by flange connecting screw 28, liquid level gauge upper diaphragm flange
25 are connected with liquid level gauge connecting pipe 26, and the bottom of separation container cylinder 9 is provided with liquid level under pressure pipeline and flange 29, liquid level
Pressure pipeline and flange 29 are mutually fixed with diaphragm flange 30 under liquid level gauge by flange connecting screw 28, diaphragm flange under liquid level gauge
30 are connected with liquid level gauge connecting pipe 26, and fluid level transmitter 31 is connected with liquid level gauge connecting pipe 26, the signal of fluid level transmitter 31
Transmitted by liquid level signal line 32, fluid level transmitter 31 is fixed on horizontal baffle 42 by fluid level transmitter base fixed screw 27
Top, the root of liquid outlet connecting pipe 37 is connected to the bottom of separation container cylinder 9, the outlet of liquid outlet connecting pipe 37 with
The import of anti-explosion electric stop valve 38 is mutually fixed by flange connecting screw 28, behind the outlet of anti-explosion electric stop valve 38 and stop valve
Pipeline 39 is mutually fixed by flange connecting screw 28, and fluid pipeline adpting flange 40 is arranged on the outlet of pipeline 39 after stop valve
Place, the control signal of anti-explosion electric stop valve 38 is transmitted by stop valve signal wire 41, separation water exit conduit and flange 46
Portion is welded on separation container cylinder 9, delivery port and on the top of separation chamber's bottom plate 45, separation water exit conduit and flange 46 with point
Mutually fixed by flange connecting screw 28 from water stop valve 47, separation water stop valve 47 enters primary tank pipeline and flange with separation water
48 are mutually fixed by flange connecting screw 28, and separation water enters primary tank pipeline and the outlet of flange 48 is welded on separation container cylinder
9 and enter container inside, the control signal of separation water stop valve 47 is transmitted by separation water stop valve signal wire 49；
The pressure measuring element binds 8, pressure pressure pipe 11, pressure valve 12, a pressure inverting including separation container
Device base joint 13, pressure transmitter 14 and pressure signal line 15；Pressure pressure pipe 11 binds 8 tops installed in separation container,
Valve 12 of pressure is connected to the rear portion of pressure pressure pipe 11, and pressure transmitter base joint 13 is connected to after valve 12 of pressure
Portion, pressure transmitter 14 is arranged on pressure transmitter base joint 13, and the signal of pressure transmitter 14 passes through pressure signal line 15
Transmission；
The temperature-measuring element includes gas flowmeter rear portion connecting pipe 22, temperature base 17, the and of temperature element (TE 18
Temperature signal line 19；Temperature base 17 is provided with gas flowmeter rear portion connecting pipe 22, temperature element (TE 18 is arranged on temperature
On base 17, the signal of temperature element (TE 18 is transmitted by temperature signal line 19；
The signal processing system includes pressure signal line 15, temperature signal line 19, gas flowmeter signal wire 21, liquid level
Signal wire 32, stop valve signal wire 41, separation water stop valve signal wire 49, explosion-proof tank mounting and fixing bracket 33, explosion-proof tank 34, letter
Number processing instrument 35 and signal explosion-proof wiring first 36；Explosion-proof tank 34 is arranged on explosion-proof tank fixed support 33, signal transacting instrument
35 are arranged on inside explosion-proof tank 34, and signal explosion-proof wiring first 36 is arranged on the bottom of explosion-proof tank 34, and signal transacting instrument 35 is arranged on
In explosion-proof tank 34, pressure signal line 15, temperature signal line 19, gas flowmeter signal wire 21, liquid level signal line 32, stop valve letter
Number line 41 and separation water stop valve signal wire 49 by the first 36 access explosion-proof tank 34 of signal explosion-proof wiring and with signal transacting instrument
Table 35 is connected.
It can be seen that, the natural gas individual well multiphase flow metering equipment of the present embodiment, its arranged inside separation container dividing plate 10 with
Inlet baffle plate 3, inlet is provided with inlet baffle plate 3, corresponding with inlet ductwork, prevents inlet liquid from spilling everywhere, shadow
Ring separating effect；In lower disposed slanting baffle 5, in the surface layout sawtooth 4 of slanting baffle 5, can effectively by gas-liquid separation, and
Foam is abolished；In separation container top arrangement gas-liquid separation net 7, separating effect is further improved；Its separation container can be used
Pipeline manufacture that standard is seamless, effectively improves separation container pouring, improves security, can simultaneously serve as volumetric standard, lead to
Liquid capacity can be calculated by crossing liquid level reference, the operation method can avoid gas well go out liquid it is unstable on liquid flow measurement influence,
So fluid flowmeter need not be redesigned, also greatly reduce equipment investment；Its level gauging is using double flange liquid level transmission devices
31, double flange liquid level transmission devices 31 pass through diaphragm flange under liquid level gauge connecting pipe 26 and liquid level gauge upper diaphragm flange 25, liquid level gauge
Diaphragm flange 30 has measurement contact area big under 30 connections, liquid level gauge upper diaphragm flange 25 and liquid level gauge, effectively prevents liquid
Impurity and liquid foam produce influence on level gauging, and with high measurement stability and measurement accuracy；It uses liquid
Position effectively prevents liquid level not enough cutting-off valve control, and gas enters liquid line, causes liquid meter error occur, simultaneously
Prevent liquid level too high, influence gas-liquid separation effect；It is provided with temperature, pressure measurement unit, to system temperature and pressure
It is monitored, safeguards system work safety；Temperature, pressure signal can be compensated to gas flowmeter measured value again, enter one
Step improves gas flowmeter measurement accuracy；It uses Explosion-proof valve, explosion-proof measuring instrumentss and system to use Explosion-proof Design, by signal
Processing instrument is placed in explosion-proof tank 34, is met natural gas metering system requirement of explosion proof, is met natural gas metering system and set safely
Count specification；It uses specially designed miniaturization Separate System of Water-jet, will be effectively separated, counts respectively in gas from liquid
Amount, to effectively improve measuring accuracy；Its ingenious use orthobaric volume liquid level method is to liquid meter, and liquid meter is not bullied well liquid body
How many influences, it, to liquid control, is prevented effectively from emptying rate of liquid and causes measurement error using stop valve；And using liquid level to valve
Door is controlled, and is prevented effectively from valve frequent movement；And carry out security control using liquid level, pressure, temperature；It is novel in design,
Delicate structure, it is powerful, it can solve the problem that natural gas individual well multiphase flow metering problem；It has that light and handy, use cost is low, function
More powerful, the measurement more high advantage of safety in utilization；It uses advanced observation and control technology mentality of designing, and automatization level is high,
Can effectively save manpower, device resource, meet natural gas individual well metering requirements, applicable situation extensively, using and market prospects
It is considerable.
Embodiment 2
A kind of natural gas individual well multiphase flow metering equipment, it is similar to Example 1, except that, the measuring equipment is also
Including box assembly, the box assembly includes cabinet shell 43；Gas-liquid separation containment system, gas metering system, level meter
Amount control system, pressure measuring element, temperature-measuring element and signal processing system are arranged in cabinet shell 43.
So, its all measurement part is both placed in cabinet shell 43, it is to avoid measuring system is exposed to the weather, it is to avoid
Environmental factor causes measuring instrumentss premature aging and damage.
Embodiment 3
A kind of natural gas individual well multiphase flow metering equipment, it is similar to Example 2, except that, the box assembly is also
Including heat-insulation layer 44, heat-insulation layer 44, which is pasted, to be arranged on the madial wall of cabinet shell 43.
So, it uses self-heat conserving mentality of designing, can avoid such as under the low operating mode of northern field winter temperature, it is to avoid
Measuring system is caused harm and (particularly avoids liquid in separation container from freezing) so that instrument is still not easy in low temperature environment
Damage.
Embodiment 4
A kind of natural gas individual well multiphase flow metering equipment, it is similar to Example 3, except that, the quantity of slanting baffle 5 is
At least two.
It is preferred that, the interlaced arrangement of slanting baffle 5 is in the bottom of inlet baffle plate 3.
Embodiment 5
A kind of natural gas individual well multiphase flow metering equipment, it is similar to Example 4, except that, the welding diaphragm of slanting baffle 5
10 side, separation chamber's bottom plate 45 is welded on the separation chamber that the lower end of dividing plate 10 constitutes relative closure with separation container cylinder 9；Feed liquor
Mouth baffle plate 3 is welded to connect between the inner left wall of separation container cylinder 9 and the left side wall of dividing plate 10.
It is preferred that, gas pipeline adpting flange 23 is welded on the port of export of gas flowmeter rear portion connecting pipe 22.
It is preferred that, pressure pipeline and flange 24 are welded on the top of separation container cylinder 9 in liquid level；Under liquid level pressure pipeline and
Flange 29 is welded on the bottom of separation container cylinder 9.
It is preferred that, the root weld of liquid outlet connecting pipe 37 is in the bottom of separation container cylinder 9；Fluid pipeline adpting flange
40 are welded on the exit of pipeline 39 after stop valve；Water exit conduit and the root weld of flange 46 are separated in separation container cylinder 9,
Delivery port and on the top of separation chamber's bottom plate 45, separation water exit conduit and flange 46 are connected with separation water stop valve 47 by flange
Connect screw 28 mutually to fix, separation water stop valve 47 enters primary tank pipeline and flange 48 with separation water and passes through the phase of flange connecting screw 28
Fixed, separation water enters primary tank pipeline and the outlet of flange 48 is welded on separation container cylinder 9 and entered inside container.
It is preferred that, temperature base 17 is welded on gas flowmeter rear portion connecting pipe 22.
The natural gas individual well multiphase flow metering equipment of the present invention, wherein liquid meter computing meets following relational expression：
Q=S* Δs L (1)
In formula：Q is total amount of liquid；S accumulates for separation container inner section；Δ L is liquid level difference；
Wherein, gas operational formula is as follows：
In formula, qVFor instant gas flow, f is gas flowmeter frequency, and k is gas flowmeter coefficient.
The natural gas individual well multiphase flow metering equipment of the present invention, is mainly improved said structure, other are not referred to
Function, part and structure, when needed, can using can realize in the prior art corresponding function part and structure carry out
Implement.
Although above with general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements, belong to the scope of protection of present invention without departing from theon the basis of the spirit of the present invention.
Claims (10)
1. a kind of natural gas individual well multiphase flow metering equipment, including gas-liquid separation containment system, gas metering system, liquid meter
Control system, pressure measuring element, temperature-measuring element and signal processing system；Characterized in that,
The gas-liquid separation containment system includes import adpting flange (1), inlet pipeline (2), inlet baffle plate (3), sawtooth
(4), slanting baffle (5), separation container bottom plate (6), gas-liquid separation net (7), separation container bind (8), separation container cylinder (9),
Dividing plate (10) and separation chamber's bottom plate (45)；Separation container bind (8) be welded on separation container cylinder (9) top, separation container cylinder
Body (9) lower weld separation container bottom plate (6), gas-liquid separation net (7) is welded on separation container cylinder (9) top, import connection
Flange (1) is welded with inlet pipeline (2), and inlet pipeline (2) is welded and fixed through separation container cylinder (9), inlet baffle plate (3)
On be provided with perforate, the position of inlet pipeline (2) is corresponding with inlet baffle plate (3) position of opening, and sawtooth (4) is evenly arranged in
Slanting baffle (5) upper surface, dividing plate (10) is by separation container cylinder (9) upper isolation into two separate spaces, inlet baffle plate (3)
It is connected between separation container cylinder (9) inner left wall and dividing plate (10) left side wall, inlet baffle plate (3) is set to level side
To the side of slanting baffle (5) welding diaphragm (10), separation chamber's bottom plate (45) is welded on dividing plate (10) lower end and separation container cylinder
(9) separation chamber of relative closure is constituted；
The gas metering system binds (8) including separation container, gas vent connecting pipe (16), gas flowmeter (20),
Gas flowmeter signal wire (21), flange connecting screw (28), gas flowmeter rear portion connecting pipe (22) and gas pipeline connect
Acting flange (23)；Gas vent connecting pipe (16) bottom is welded on separation container and bound (8) top, gas vent connecting pipe
(16) import of top and gas flowmeter (20) is fixed by flange connecting screw (28), the outlet of gas flowmeter (20) with
Gas flowmeter rear portion connecting pipe (22) is mutually fixed by flange connecting screw (28), gas flowmeter rear portion connecting pipe
(22) the port of export is provided with gas pipeline adpting flange (23), and the signal of gas flowmeter (20) passes through gas flowmeter signal
Line (21) is transmitted；
The liquid meter control system includes pressure pipeline and method in separation chamber's bottom plate (45), separation container cylinder (9), liquid level
Blue (24), liquid level gauge upper diaphragm flange (25), liquid level gauge connecting pipe (26), fluid level transmitter base fixed screw (27), flange
Diaphragm flange (30), fluid level transmitter (31), liquid under pressure pipeline and flange (29), liquid level gauge under connecting screw (28), liquid level
Pipeline (39), liquid line after position signal wire (32), liquid outlet connecting pipe (37), anti-explosion electric stop valve (38), stop valve
Road adpting flange (40), stop valve signal wire (41), horizontal baffle (42), separation water exit conduit and flange (46), separation water
Stop valve (47), separation water enter primary tank pipeline and flange (48) and separation water stop valve signal wire (49)；Separation container cylinder
(9) top is provided with liquid level pressure pipeline and flange (24) and liquid level gauge upper diaphragm in pressure pipeline and flange (24), liquid level
Flange (25) is mutually fixed by flange connecting screw (28), and liquid level gauge upper diaphragm flange (25) is connected with liquid level gauge connecting pipe (26)
Connect, separation container cylinder (9) bottom is provided with liquid level pressure pipeline and flange (29) under pressure pipeline and flange (29), liquid level
Mutually fixed by flange connecting screw (28) with diaphragm flange (30) under liquid level gauge, diaphragm flange (30) and liquid level gauge under liquid level gauge
Connecting pipe (26) is connected, and fluid level transmitter (31) is connected with liquid level gauge connecting pipe (26), and fluid level transmitter (31) signal leads to
Cross liquid level signal line (32) transmission, fluid level transmitter (31) by fluid level transmitter base fixed screw (27) be fixed on level every
Plate (42) top, liquid outlet connecting pipe (37) root is connected to separation container cylinder (9) bottom, liquid outlet connecting pipe
(37) outlet is mutually fixed with (38) import of anti-explosion electric stop valve by flange connecting screw (28), anti-explosion electric stop valve
(38) outlet is mutually fixed with pipeline after stop valve (39) by flange connecting screw (28), and fluid pipeline adpting flange (40) is set
The exit of the pipeline (39) after stop valve is put, the control signal of anti-explosion electric stop valve (38) passes through stop valve signal wire (41)
Transmission, separation water exit conduit and flange (46) root weld are in separation container cylinder (9), delivery port and in separation chamber's bottom plate
(45) top, separation water exit conduit and flange (46) are mutually solid by flange connecting screw (28) with separation water stop valve (47)
Fixed, separation water stop valve (47) enters primary tank pipeline with separation water and flange (48) is mutually fixed by flange connecting screw (28),
Separation water enters primary tank pipeline and flange (48) outlet is welded on separation container cylinder (9) and entered inside container, separation water
Stop valve (47) control signal is transmitted by separation water stop valve signal wire (49)；
The pressure measuring element binds (8) including separation container, pressure pressure pipe (11), valve (12) of pressure, pressure become
Send device base joint (13), pressure transmitter (14) and pressure signal line (15)；Pressure pressure pipe (11) is arranged on separation container
Bind (8) top, valve (12) of pressure is connected to pressure pressure pipe (11) rear portion, pressure transmitter base joint (13) connection
At valve (12) rear portion of pressure, pressure transmitter (14) is arranged on pressure transmitter base joint (13), pressure transmitter
(14) signal is transmitted by pressure signal line (15)；
The temperature-measuring element includes gas flowmeter rear portion connecting pipe (22), temperature base (17), temperature element (TE (18)
With temperature signal line (19)；Temperature base (17), temperature element (TE (18) are provided with gas flowmeter rear portion connecting pipe (22)
On temperature base (17), the signal of temperature element (TE (18) is transmitted by temperature signal line (19)；
The signal processing system includes pressure signal line (15), temperature signal line (19), gas flowmeter signal wire (21), liquid
Position signal wire (32), stop valve signal wire (41), separation water stop valve signal wire (49), explosion-proof tank mounting and fixing bracket (33),
Explosion-proof tank (34), signal transacting instrument (35) and signal explosion-proof wiring head (36)；Explosion-proof tank (34) is arranged on explosion-proof tank and fixes branch
On frame (33), signal transacting instrument (35) is arranged on explosion-proof tank (34) inside, and signal explosion-proof wiring head (36) is arranged on explosion-proof tank
(34) bottom, signal transacting instrument (35) is arranged in explosion-proof tank (34), pressure signal line (15), temperature signal line (19), gas
Flowmeter body signal wire (21), liquid level signal line (32), stop valve signal wire (41) and separation water stop valve signal wire (49) are logical
Cross in signal explosion-proof wiring head (36) access explosion-proof tank (34) and be connected with signal transacting instrument (35).
2. natural gas individual well multiphase flow metering equipment as claimed in claim 1, it is characterised in that the measuring equipment also includes
Box assembly, the box assembly includes cabinet shell (43)；Gas-liquid separation containment system, gas metering system, liquid meter
Control system, pressure measuring element, temperature-measuring element and signal processing system are arranged in cabinet shell (43).
3. natural gas individual well multiphase flow metering equipment as claimed in claim 2, it is characterised in that the box assembly also includes
Heat-insulation layer (44), heat-insulation layer (44), which is pasted, to be arranged on the madial wall of cabinet shell (43).
4. natural gas individual well multiphase flow metering equipment as claimed in claim 1, it is characterised in that the quantity of slanting baffle (5) is
At least two.
5. natural gas individual well multiphase flow metering equipment as claimed in claim 4, it is characterised in that slanting baffle (5) interlaced arrangement
In inlet baffle plate (3) bottom.
6. the natural gas individual well multiphase flow metering equipment as any one of claim 1-5, it is characterised in that slanting baffle
(5) side of welding diaphragm (10), separation chamber's bottom plate (45) is welded on dividing plate (10) lower end and constitutes phase with separation container cylinder (9)
To the separation chamber of closing；Inlet baffle plate (3) is welded to connect in separation container cylinder (9) inner left wall and dividing plate (10) left side wall
Between.
7. the natural gas individual well multiphase flow metering equipment as any one of claim 1-5, it is characterised in that gas pipeline
Adpting flange (23) is welded on the port of export of gas flowmeter rear portion connecting pipe (22).
8. the natural gas individual well multiphase flow metering equipment as any one of claim 1-5, it is characterised in that taken in liquid level
Pressure pipeline and flange (24) are welded on separation container cylinder (9) top；Pressure pipeline and flange (29) are welded on separation under liquid level
Shell (9) bottom.
9. the natural gas individual well multiphase flow metering equipment as any one of claim 1-5, it is characterised in that liquid outlet
Connecting pipe (37) root weld is in separation container cylinder (9) bottom；Fluid pipeline adpting flange (40) is welded on after stop valve
The exit of pipeline (39)；Water exit conduit and flange (46) root weld are separated in separation container cylinder (9), delivery port and
Bottom plate (45) top in separation chamber, separation water exit conduit and flange (46) are connected spiral shell with separation water stop valve (47) by flange
Silk (28) is mutually fixed, and separation water stop valve (47) enters primary tank pipeline with separation water and flange (48) passes through flange connecting screw
(28) mutually fix, separation water enters primary tank pipeline and flange (48) outlet is welded on separation container cylinder (9) and enters container
It is internal.
10. the natural gas individual well multiphase flow metering equipment as any one of claim 1-5, it is characterised in that temperature bottom
Seat (17) is welded on gas flowmeter rear portion connecting pipe (22).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710232515.8A CN106996289A (en) | 2017-04-11 | 2017-04-11 | A kind of natural gas individual well multiphase flow metering equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710232515.8A CN106996289A (en) | 2017-04-11 | 2017-04-11 | A kind of natural gas individual well multiphase flow metering equipment |
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Family
ID=59434369
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| CN108825208A (en) * | 2018-08-09 | 2018-11-16 | 陕西明特石油技术有限公司 | A kind of digitlization gas production wellhead separate measurement device |
| CN109444382A (en) * | 2018-10-11 | 2019-03-08 | 江苏华尔威科技集团有限公司 | A kind of crude oil single well metering system with transporting function |
| CN110878689A (en) * | 2019-11-21 | 2020-03-13 | 西安安森智能仪器股份有限公司 | Gas-liquid metering method and system for well plunger gas lift device |
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