CN109252854A - One seed nucleus produces device and core produces method - Google Patents
One seed nucleus produces device and core produces method Download PDFInfo
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- CN109252854A CN109252854A CN201710570846.2A CN201710570846A CN109252854A CN 109252854 A CN109252854 A CN 109252854A CN 201710570846 A CN201710570846 A CN 201710570846A CN 109252854 A CN109252854 A CN 109252854A
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000012530 fluid Substances 0.000 claims abstract description 107
- 239000007788 liquid Substances 0.000 claims description 144
- 239000003129 oil well Substances 0.000 claims description 69
- 238000004519 manufacturing process Methods 0.000 claims description 43
- 238000004364 calculation method Methods 0.000 claims description 5
- 239000000243 solution Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 244000147058 Derris elliptica Species 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- 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
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- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Measuring Fluid Pressure (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
Device is produced the present invention provides a seed nucleus and core produces method, described device includes the first pipeline, the second pipeline, pressure gauge, variable frequency pump and fluid reservoir, wherein, the first aperture and the second aperture are provided on the fluid reservoir, first aperture is located above second aperture；The first end of first pipeline is connected to by first aperture with the fluid reservoir, and the second end of first pipeline is connected to by second aperture with the fluid reservoir；Third aperture is provided on first pipeline, second pipeline is connected to by the third aperture with first pipeline；The pressure gauge is arranged between the first end of first pipeline and the third aperture, and the variable frequency pump is arranged between the second end of first pipeline and the third aperture.The accuracy that result is produced to the core of core oil-producing well can be improved in the present invention.
Description
Technical field
The present invention relates to oil-gas mining technical field, in particular to a seed nucleus produces device and core produces method.
Background technique
Oilwell produced fluid amount refers to oil field individual well liquid measure produced, and the oilwell produced fluid amount in the unit time is to carry out oil well pipe
Reason grasps the dynamic key data data of oil reservoir.Therefore Accurate Determining is carried out with non-to the oilwell produced fluid amount in the unit time
Often important meaning.It is a kind of relatively accurate metering side using the oilwell produced fluid amount in the gas-liquid separator analytical unit time
Formula, but the installation of gas-liquid separator and arrangement it is comparatively laborious, costly, with DP technology process simplification work development,
This mode is substantially superseded.
The oilwell produced fluid amount using in the open tank car analytical unit time main at present, by the production tree of the oil well produced to core
Flow line be connected to open tank car, the amount of liquid in tank car is flowed into cooling water of units of measurement time, further according to flowing in the unit time
Oilwell produced fluid amount is calculated in the amount of liquid entered in tank car.
In the implementation of the present invention, the inventors discovered that in the prior art the prior art has at least the following problems:
In oil well production process, the liquid flowed out from production tree is delivered to oil depot by oil-gas gathering and transportation system, due to collection
There is back pressure in defeated system, back pressure has an impact to oilwell produced fluid amount, reduces the flow of the liquid flowed out from production tree.Using opening
When tank car measures oilwell produced fluid amount, the liquid flowed out from production tree is flowed directly into tank car, and the flow of liquid is not by the shadow of back pressure
It rings, therefore the result for measuring obtained oilwell produced fluid amount is bigger than normal than practical oilwell produced fluid amount.
Summary of the invention
In view of this, the present invention provides, a seed nucleus produces device and core produces method, to improve the core production result to core oil-producing well
Accuracy.
Specifically, including technical solution below:
In a first aspect, the present invention provides a seed nucleus to produce device, including the first pipeline, the second pipeline, pressure gauge, variable frequency pump
And fluid reservoir, wherein
The first aperture and the second aperture are provided on the fluid reservoir, first aperture is located in second aperture
Side；
The first end of first pipeline is connected to by first aperture with the fluid reservoir, and the of first pipeline
Two ends are connected to by second aperture with the fluid reservoir；
Third aperture is provided on first pipeline, second pipeline passes through the third aperture and first pipe
Line connection；
The pressure gauge is arranged between the first end of first pipeline and the third aperture, the variable frequency pump setting
Between the second end and the third aperture of first pipeline.
Selectively, between first aperture and the third aperture, the first valve is provided on first pipeline
Door.
Selectively, between second aperture and the variable frequency pump, the second valve is provided on first pipeline.
Selectively, first pipeline and/or second pipeline are hard tube.
Selectively, scale is provided on the fluid reservoir.
Selectively, the face of the area in fluid reservoir section parallel with its bottom surface at arbitrary height and the bottom surface
Product is equal.
Selectively, the fluid reservoir is cylindrical body or cube.
Second aspect, the core for producing device the present invention provides core described in a kind of first aspect produce method, the method packet
It includes:
Liquid is injected into the fluid reservoir, the liquid level of the fluid reservoir is made to be located at the second aperture top and position
Below first aperture；
Second pipeline is connected to the liquid outlet of the production tree of the oil well produced to core, makes the liquid outlet of the production tree
The liquid of outflow is flowed into the fluid reservoir by second pipeline and first pipeline from first aperture；
The frequency for adjusting the variable frequency pump, the pressure in first pipeline for showing the pressure gauge and the oil well
Back pressure in the gathering system of connection is equal；
Record pressure that the pressure gauge is shown it is equal with the back pressure when fluid reservoir the first liquid level, and open
Beginning timing；
After scheduled duration, the second liquid level of the fluid reservoir is recorded；
Calculate to obtain the oil well in the scheduled duration according to first liquid level and second liquid level
Liquid output；
According to the Liquid output of the oil well in the scheduled duration and the scheduled duration, institute in the unit time is calculated
State the Liquid output of oil well.
Selectively, the bottom surface according to first liquid level, second liquid level and the fluid reservoir
Product, is calculated the Liquid output of the oil well in the scheduled duration, the calculation formula of use are as follows:
Q=S* (H2-H1)
In formula,
Q --- the Liquid output of oil well in scheduled duration；
The floor space of S --- fluid reservoir；
H2--- the second liquid level；
H1--- the first liquid level.
Selectively, the Liquid output according to the oil well in the scheduled duration and the scheduled duration, calculate
The Liquid output of the oil well in the unit time, the calculation formula of use are as follows:
In formula,
Q --- the Liquid output of oil well in the unit time；
Q --- the Liquid output of oil well in scheduled duration；
T --- scheduled duration.
Technical solution provided in an embodiment of the present invention the utility model has the advantages that
Core provided by the invention produces device and method, shows the pressure in the first pipeline by setting pressure gauge, passes through
It variable frequency pump is set adjusts and flow into fluid flow in the first pipeline out of fluid reservoir, to make first that the liquid in oil well flows through
The pressure in the first pipeline between aperture and third aperture is equal with the back pressure in the gathering system of the oil well connection produced to core,
Back pressure when i.e. core produces compared with prior art in analog gathering system and closer to true production scene, in this way, root
It is higher that the core production result accuracy that the data that device measures are calculated is produced according to core.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the floor plan that a seed nucleus produces device in one embodiment of the invention；
Appended drawing reference in figure is respectively as follows:
1, the first pipeline；
101, third aperture；
2, the second pipeline；
3, pressure gauge；
4, the first valve；
5, variable frequency pump；
6, the second valve；
7, fluid reservoir；
701, the first aperture；
702, the second aperture.
Specific embodiment
To keep technical solution of the present invention and advantage clearer, below in conjunction with attached drawing to embodiment of the present invention make into
One step it is described in detail.
One embodiment of the invention provides a seed nucleus and produces device, as shown in Figure 1, including the first pipeline 1, the second pipeline 2, pressure
Power table 3, variable frequency pump 5 and fluid reservoir 7, wherein
The first aperture 701 and the second aperture 702 are provided on fluid reservoir 7, the first aperture 701 is located in the second aperture 702
Side；
The first end of first pipeline 1 is connected to by the first aperture 701 with fluid reservoir 7, and the second end of the first pipeline 1 passes through the
Two apertures 702 are connected to fluid reservoir 7；
Third aperture 101 is provided on first pipeline 1, the second pipeline 2 is connected to by third aperture 101 with the first pipeline 1；
Pressure gauge 3 is arranged between the first end and third aperture 101 of the first pipeline 1, and variable frequency pump 5 is arranged in the first pipeline
Between 1 second end and third aperture 101.
The working principle for producing device with regard to core provided in this embodiment below, which is given, to be described:
When in use, liquid is injected into fluid reservoir 7, liquid level is made to be located at 702 top of the second aperture and is located at first
701 lower section of aperture, the second pipeline 2 is connect with the liquid outlet of the production tree of the oil well produced to core, then from the liquid outlet of production tree
The liquid of outflow passes through the first pipeline 1 between the second pipeline 2 and third aperture 101 and the first aperture 701 from the first aperture 701
It is flowed into fluid reservoir 7.It opens variable frequency pump and adjusts its frequency, connect until the registration of pressure gauge 3 with the oil well produced to core
Back pressure in gathering system is equal.The first liquid when the registration of recording manometer 3 and the equal back pressure of gathering system in fluid reservoir
Face height records the second liquid level in fluid reservoir after scheduled duration.So as to according to core produce device measure first
Liquid level, the second liquid level calculate to obtain the Liquid output of oil well and scheduled duration in scheduled duration and the unit time are calculated
Interior oilwell produced fluid amount.Core provided in this embodiment produces device during measuring oilwell produced fluid amount, flows out from production tree
Pressure in the first pipeline 1 between liquid the first aperture 701 flowed through and third aperture 101 and the defeated system of collection being connect with oil well
Back pressure in system is equal, therefore the oilwell produced fluid amount produced in the unit time that the data that device measures are calculated according to core is accurate
Property is higher.
Core provided in this embodiment produces device, can show the first aperture 701 and third aperture 101 by the way that pressure gauge 3 is arranged
Between the first pipeline 1 in pressure, pass through the adjustable liquid flowed into the first pipeline 1 out of fluid reservoir 7 of setting variable frequency pump 5
Flow, to keep the pressure in the first pipeline 1 equal with the back pressure in the gathering system of the oil well connection produced to core.As it can be seen that this
Embodiment during core produces, back pressure in analog gathering system and closer to true production scene, in this way, according to
It is higher that core produces the core production result accuracy that the data that device measures are calculated.
As shown in Figure 1, the first aperture 701 and the second aperture 702 are located on the same side wall of fluid reservoir.In other embodiments
In, the upper end of fluid reservoir 7 can also be endless totally-enclosed, and the first aperture 701 can be located at the upper surface of fluid reservoir 7, the second aperture 702
The lower end surface of fluid reservoir 7 can be located at.
In the present embodiment, between the first aperture 701 and third aperture 101, the first valve is provided on the first pipeline 1
4.As shown in Figure 1, the first valve 4 is arranged between the first aperture 701 and pressure gauge 3, however, the present invention is not limited thereto, in other realities
It applies in example, the first valve 4 may also be arranged between third aperture 101 and pressure gauge 3.In this way, can also be by controlling the first valve 4
Aperture adjust the uninterrupted that the liquid in fluid reservoir 7 is flowed to from the first pipeline 1, to adjust the pressure in the first pipeline 1
Power, and then change the registration of pressure gauge 3.
In the present embodiment, as shown in Figure 1, between the second aperture 702 and variable frequency pump 5, is provided on the first pipeline 1
Two valves 6.Before carrying out core production, when injecting liquid into fluid reservoir 7, the second valve 6 is closed；When starting to carry out core production,
Open the second valve 6；When completing core production, the second valve 6 is closed.
In the present embodiment, the first pipeline 1 and/or the second pipeline 2 can be hard tube.Since the first aperture 701 is located at second
702 top of aperture, the first pipeline 1 between the first aperture 701 and the second aperture 702 should keep certain shape, cannot be easily
Deformation guarantees the smooth of fluid flowing, therefore the first pipeline 1 should use hard tube.It is connected to the liquid outlet and the first pipe of production tree
When the second pipeline 2 between the third aperture 101 of line 1 is hard tube, the liquid flow flowed out from the liquid outlet of production tree also can guarantee
Dynamic is smooth.
In the present embodiment, scale is provided on fluid reservoir 7.The liquid in fluid reservoir 7 is determined by the scale on fluid reservoir 7
The liquid level of body, and then determine the amount of liquid in fluid reservoir 7.
In the present embodiment, area of the fluid reservoir 7 in the section parallel with its bottom surface of arbitrary height can be with its bottom surface
Area equation.In this way, the amount of liquid in fluid reservoir 7 can be calculated according to the floor space of fluid reservoir 7 and liquid level.
In the present embodiment, fluid reservoir 7 can be cylindrical body or cube.The floor space of cylindrical body or the bottom surface of cube
The long-pending amount of liquid that can be obtained in fluid reservoir 7 that is multiplied with the liquid level in fluid reservoir 7.
When area of the fluid reservoir 7 in the section of arbitrary height is unequal with its floor space, then fluid reservoir can be measured in advance
The corresponding amount of liquid of interior difference liquid level, can also calculate according to the first liquid level and the corresponding amount of liquid of the second liquid level
Obtain the Liquid output of oil well in scheduled duration.
In Fig. 1, the direction of arrow represents the flow direction of liquid.
One embodiment of the invention additionally provides a kind of core production method that device is produced using above-mentioned core, and this method includes following step
Suddenly.
Step 101: injecting liquid into fluid reservoir, be located at the liquid level of fluid reservoir above the second aperture and be located at the
Below one aperture.
When injecting liquid into fluid reservoir, the second valve is closed.After the completion of fluid injection, the second valve is opened.
Step 102: the second pipeline being connected to the liquid outlet of the production tree of the oil well produced to core, makes the liquid outlet of production tree
The liquid of outflow is flowed into fluid reservoir by the second pipeline and the first pipeline from the first aperture.
When being provided with the first valve between the first aperture and third aperture, by adopting for the second pipeline and the oil well that is produced to core
After the liquid outlet connection of oil tree, the first valve is opened.
Step 103: adjusting the frequency of variable frequency pump, the pressure in the first pipeline for showing pressure gauge and the oil well to core production
Back pressure in the gathering system of connection is equal.
By adjusting the frequency of variable frequency pump, control flows into fluid flow in the first pipeline out of fluid reservoir, to make the
The back pressure phase in gathering system that the pressure in the first pipeline between one aperture and third aperture is connect with the oil well produced to core
Deng.
In the present embodiment, when the back pressure difference of pressure and gathering system that pressure gauge is shown is smaller, tune can also be passed through
The aperture for saving the first valve achievees the purpose that change pressure gauge registration.Increase the valve opening of the first valve, then from the first pipeline
The fluid flow for flowing to fluid reservoir increases, and the pressure in the first pipeline between the first aperture and third aperture reduces, pressure gauge
Registration reduces；Reduce the valve opening of the first valve, then reduces from the fluid flow that the first pipeline flows to fluid reservoir, the first aperture
Pressure in the first pipeline between third aperture increases.
Step 104: the first liquid level of the registration of recording manometer and back pressure fluid reservoir when equal, and start timing.
Step 105: after scheduled duration, recording the second liquid level of fluid reservoir.
Step 106: calculating to obtain the Liquid output of oil well in scheduled duration according to the first liquid level and the second liquid level.
When area of the fluid reservoir in the section of arbitrary height can be equal with its floor space, such as fluid reservoir is cylindrical body or vertical
When cube, it can be calculated by the following formula to obtain the Liquid output of oil well in scheduled duration:
Q=S* (H2-H1)
In formula,
Q --- the Liquid output of oil well in scheduled duration；
The floor space of S --- fluid reservoir；
H1--- the first liquid level；
H2--- the second liquid level.
When area of the fluid reservoir in the section of arbitrary height is unequal with its floor space, then can measure in fluid reservoir in advance
The corresponding amount of liquid of different liquid levels, can also calculate according to the first liquid level and the corresponding amount of liquid of the second liquid level
The Liquid output of oil well in scheduled duration.
Step 107: according to the Liquid output and scheduled duration of oil well in scheduled duration, oil well in the unit time is calculated
Liquid output.
The calculation formula of use are as follows:
In formula,
Q --- the Liquid output of oil well in the unit time；
Q --- the Liquid output of oil well in scheduled duration；
T --- scheduled duration.
In the present embodiment, to improve accuracy, the liquid level of fluid reservoir can be measured according to scheduled duration interval continuous several times
Highly, multiple values of the Liquid output of oil well in the unit time are calculated, averaged is the production of oil well in the unit time
Liquid measure.
Oil when carrying out core production to oilwell produced fluid amount at the scene using core provided in an embodiment of the present invention production device, to core production
Well is low pressure well, and the back pressure in the gathering system of connection is 0.6MPa.The floor space S of the fluid reservoir used is 3m2.First by
One pipeline and the liquid outlet of production tree connect, and the second valve and the first valve are opened, by adjusting variable frequency pump and/or the first valve
Door records the first liquid level H of fluid reservoir so that the registration of pressure gauge is equal to the back pressure 0.6MPa in gathering system0For
35cm, and start timing.Scheduled duration T is 30 minutes, every liquid level of 30 minutes records.First record liquid level is high
Spend H1For 49cm；Second of record liquid level H2For 64cm, third time records liquid level H3For 78cm.According to following formula
1,2,3 daily fluid production rates that oil well in scheduled duration three times is calculated are respectively as follows: Q1It is 20.16m3、Q2It is 21.6m3、Q3It is
20.16m3, it is 20.64m that the per day Liquid output Q of oil well, which is calculated, according to formula 43。
Wherein, formula 1,2,3 and 4 is as follows respectively:
Q1=24*S* (H1-H0)/T formula 1
Q2=24*S* (H2-H1)/T formula 2
Q3=24*S* (H3-H2)/T formula 3
Q=(Q1+Q2+Q3)/3 formula 4
Wherein, in formula 1,2 and 3, the unit of T is hour.
It is measured using gas-liquid separator in traditional gathering system, continuous metering 3 times, 1 hour every time, measures liquid measure
It is 0.89m respectively3、0.87m3、0.86m3, calculating daily fluid production rate is 21.36m respectively3、20.88m3、20.64m3, oil well is averaged day
Liquid output is 20.96m3。
It is measured using mobile open tank car, the liquid level of No. 1 tank car of every 30 minutes records, initial liquid height is
30cm, liquid level is 46cm, 63cm, 77cm respectively three times.The daily fluid production rate calculated separately is 23.04m3、24.48m3、
24.48m3, oil well be averaged Liquid output be 24m3。
Oil when carrying out core production to oilwell produced fluid amount at the scene using core provided in an embodiment of the present invention production device, to core production
Well is high-pressure well, and the back pressure in the gathering system of connection is 1.2MPa.The floor space S of the fluid reservoir used is 3m2.First by
One pipeline and the liquid outlet of production tree connect, and the second valve and the first valve are opened, by adjusting variable frequency pump and/or the first valve
Door records the first liquid level H of fluid reservoir so that the registration of pressure gauge is equal to the back pressure 0.6MPa in gathering system0For
32cm, and start timing.Scheduled duration T is 20 minutes, every liquid level of 20 minutes records.First record liquid level is high
Spend H1For 50cm；Second of record liquid level H2For 69cm, third time records liquid level H3For 86cm.According to formula 1,2,3
The daily fluid production rate that oil well in scheduled duration three times is calculated is respectively as follows: Q1It is 38.88m3、Q2It is 41.04m3、Q3It is 38.88m3,
It is 39.76m that the per day Liquid output Q of oil well, which is calculated, according to formula 43。
It is measured using gas-liquid separator in traditional gathering system, continuous metering 3 times, 1 hour every time, measures liquid measure
It is 1.64m respectively3、1.71m3、1.62m3, calculating daily fluid production rate is 21.36m respectively3、20.88m3、20.64m3, oil well is averaged day
Liquid output is 39.76m3。
It is measured using mobile open tank car, the liquid level of No. 1 tank car of every 20 minutes records, initial liquid height is
35cm, liquid level is 56cm, 79cm, 89cm respectively three times.The daily fluid production rate calculated separately is 45.35m3、49.68m3、
43.2m3, oil well be averaged Liquid output be 46.08m3。
The specific data that three seed nucleus produce the core production result that device obtains see the table below.
The value accuracy that gas-liquid separator metering core produces in gathering system is higher.Three seed nucleus, which are compared, by table 1 produces dress
The core set produces result, and it is found that mobile open tanker metering core is used to produce, metric results are higher, are produced and filled using core of the invention
The metric results error accuracy set is higher, the core measured relative to gas-liquid separator in gathering system produce as a result,
Error is in 2% range.
In this application, it should be understood that term " first ", " second " etc. are used for description purposes only, and should not be understood as
Indication or suggestion relative importance or the quantity for implicitly indicating indicated technical characteristic.
The above is merely for convenience of it will be understood by those skilled in the art that technical solution of the present invention, not to limit
The present invention.All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of invention.
Claims (10)
1. a seed nucleus produces device, which is characterized in that including the first pipeline, the second pipeline, pressure gauge, variable frequency pump and fluid reservoir,
In,
The first aperture and the second aperture are provided on the fluid reservoir, first aperture is located above second aperture；
The first end of first pipeline is connected to by first aperture with the fluid reservoir, the second end of first pipeline
It is connected to by second aperture with the fluid reservoir；
Third aperture is provided on first pipeline, second pipeline is connected by the third aperture and first pipeline
It is logical；
The pressure gauge is arranged between the first end of first pipeline and the third aperture, and the variable frequency pump is arranged in institute
It states between the second end of the first pipeline and the third aperture.
2. core according to claim 1 produces device, which is characterized in that first aperture and the third aperture it
Between, the first valve is provided on first pipeline.
3. core according to claim 1 produces device, which is characterized in that between second aperture and the variable frequency pump,
The second valve is provided on first pipeline.
4. core according to claim 1 produces device, which is characterized in that first pipeline and/or second pipeline are
Hard tube.
5. core according to claim 1 produces device, which is characterized in that be provided with scale on the fluid reservoir.
6. core according to claim 1 produces device, which is characterized in that the fluid reservoir is flat with its bottom surface at arbitrary height
The area equation of the area in capable section and the bottom surface.
7. core according to claim 6 produces device, which is characterized in that the fluid reservoir is cylindrical body or cube.
8. a kind of core for producing device using core described in any item of claim 1-7 produces method, which is characterized in that the side
Method includes:
Liquid is injected into the fluid reservoir, be located at the liquid level of the fluid reservoir above second aperture and is located at institute
It states below the first aperture；
Second pipeline is connected to the liquid outlet of the production tree of the oil well produced to core, flows out the liquid outlet of the production tree
Liquid flowed into the fluid reservoir by second pipeline and first pipeline from first aperture；
The frequency for adjusting the variable frequency pump, the pressure in first pipeline for showing the pressure gauge are connect with the oil well
Gathering system in back pressure it is equal；
Record pressure that the pressure gauge is shown it is equal with the back pressure when fluid reservoir the first liquid level, and start to count
When；
After scheduled duration, the second liquid level of the fluid reservoir is recorded；
It calculates to obtain the production of the oil well in the scheduled duration according to first liquid level and second liquid level
Liquid measure；
According to the Liquid output of the oil well in the scheduled duration and the scheduled duration, the oil in the unit time is calculated
The Liquid output of well.
9. core according to claim 8 produces method, which is characterized in that when producing device using core as claimed in claim 6,
The floor space according to first liquid level, second liquid level and the fluid reservoir, is calculated described pre-
The Liquid output of the oil well, the calculation formula of use in timing is long are as follows:
Q=S* (H2-H1)
In formula,
Q --- the Liquid output of oil well in scheduled duration；
The floor space of S --- fluid reservoir；
H2--- the second liquid level；
H1--- the first liquid level.
10. core according to claim 9 produces method, which is characterized in that described according to the oil well in the scheduled duration
Liquid output and the scheduled duration, the Liquid output of the oil well in the unit time, the calculation formula of use is calculated are as follows:
In formula,
Q --- the Liquid output of oil well in the unit time；
Q --- the Liquid output of oil well in scheduled duration；
T --- the predetermined time.
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| CN200993004Y (en) * | 2006-12-12 | 2007-12-19 | 中国石油天然气股份有限公司 | Separator oil-gas continuousautomatic metering device |
| CN203891865U (en) * | 2014-05-10 | 2014-10-22 | 李世銮 | oil measuring and pressure returning simulation device of oil well tanker |
| CN204163709U (en) * | 2014-10-28 | 2015-02-18 | 姬丙兰 | A kind of oil well production pressure reduction analogue means |
| CN207093059U (en) * | 2017-07-13 | 2018-03-13 | 中国石油天然气股份有限公司 | One seed nucleus produces device |
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