CN109184665A - A kind of self-operated measuring unit and its measurement method of wellhead liquid moisture content - Google Patents
A kind of self-operated measuring unit and its measurement method of wellhead liquid moisture content Download PDFInfo
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- CN109184665A CN109184665A CN201811314198.5A CN201811314198A CN109184665A CN 109184665 A CN109184665 A CN 109184665A CN 201811314198 A CN201811314198 A CN 201811314198A CN 109184665 A CN109184665 A CN 109184665A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
Abstract
The invention discloses the self-operated measuring units and its measurement method of a kind of wellhead liquid moisture content, comprising: materail tube, self priming pump, measurement chamber, surge tank, detector and jet pump；The materail tube is connected with the self priming pump, the self priming pump is connected with the measurement chamber, the measurement chamber is set to the buffering pot bottom, and the measurement chamber and the buffering pot bottom connection, the detector is disposed through the surge tank and measures intracavitary portion, wherein the probe of the detector extend to measurement it is intracavitary, the jet pump is connected with the surge tank.The present invention realizes the purpose to Produced Liquid moisture measurement digitization for problem more difficult to the measurement of well mouth of oil well Produced Liquid water content in the prior art, improves measurement crude oil output capacity working efficiency.
Description
Technical field
The present invention relates to oil extraction in oil field technical field, more particularly to a kind of automatic measurement of wellhead liquid moisture content
Device and its measurement method.
Background technique
Currently, oil productivity and oil production are that oil field produces most important base in the producing well in all oil fields in the world
Notebook data, China overwhelming majority oil field use secondary displacement of reservoir oil operation three times, and secondary oil recovery is using water driving technology, and tertiary oil recovery is adopted
With ternary composite driving technology.The large oilfields such as China's Daqing oil field, Jilin Oil Field, Tarim Oilfield, Shengli Oil Field are due to oil field
Aging mostly uses similar technology to carry out depth oil recovery.
Under the secondary operating condition of the displacement of reservoir oil three times, production is a kind of three-phase flow (gas phase, water phase, oily phase), may in gas phase
Component be H2S、CO2It include displacement of reservoir oil chemicals in water phase with low carbon number hydro carbons etc., oil mutually refers to thick crude oil.Each oil field is for reality
When monitor the extraction water of oil well, need accurately to grasp the oil production of oil well, then must results of regular determination produced liquid in oil well contain
Water.
But after three-phase flow is transferred to ground from underground, due to the variation of temperature, pressure, form changes, and oil-water-gas is fast
Speed separation, gas are overflowed from body phase, and water phase is sunk, and oil mutually floats, and contain uncertain oil, oil in water phase in the form of oil-in-water
Contain uncertain oil in phase in the form of Water-In-Oil, the oil content of oil-in-water form and the moisture content of Water-In-Oil are dynamic changes
, cause measurement crude oil yield extremely difficult.Method of the oil field due to not simple and reliable test grease ratio so that oil field
Digitization work is difficult to be in progress, and the working condition measuring difficulty of high gassiness High water cut is bigger especially in Produced Liquid.
Therefore, the self-operated measuring unit and its measurement method for developing a kind of wellhead liquid moisture content are those skilled in the art
The problem of urgent need to resolve.
Summary of the invention
In view of this, the present invention provides the self-operated measuring unit and its measurement method of a kind of wellhead liquid moisture content, for
The problem more difficult to the measurement of well mouth of oil well Produced Liquid water content in the prior art, realizes to Produced Liquid moisture measurement
The purpose of digitization.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of self-operated measuring unit of wellhead liquid moisture content, comprising: materail tube, self priming pump, measurement chamber, surge tank,
Detector and jet pump；
The materail tube is connected with the self priming pump, and the self priming pump is connected with the measurement chamber, the survey
Amount chamber is set to the buffering pot bottom, and the measurement chamber and the buffering pot bottom connection, and the detector is through setting
In the surge tank and intracavitary portion is measured, measurement is intracavitary, and the jet pump delays with described wherein the probe of the detector extends to
Tank is rushed to be connected.
Preferably, static mixer is set inside the materail tube, sample detection is provided on the material tube wall and is taken out
Outlet, sample detection outlet port are connected with the self priming pump.
Preferably, between the materail tube and the self priming pump and the self priming pump and the measurement chamber
Between be equipped with solenoid valve, the solenoid valve rear end between the self priming pump and the measurement chamber is additionally provided with check-valves.
It should be understood that the self priming pump is connected with the solenoid valve, the solenoid valve and the check-valves phase
Even, the check-valves is connected with the measurement chamber.
Preferably, the probe of the detector is sensor, and the probe is intracavitary positioned at measuring, and the cavity wall for measuring chamber is set
There are two cleaning sprayer, two cleaning sprayers are oppositely arranged, the cleaning sprayer with the output end phase of the jet pump
Even.
Preferably, one end of the materail tube is material input, and the other end is material output end, built in the surge tank
Heating element, temperature sensor, pressure sensor, and the surge tank be equipped with overflow port and feed inlet, the overflow port with
The material output end of the materail tube is connected, and the feed inlet is connected with the input terminal of the jet pump；
Preferably, between the jet pump and surge tank be equipped with solenoid valve, between the jet pump and the measurement chamber according to
It is secondary to be equipped with solenoid valve and check-valves.
A kind of method for automatic measurement of wellhead liquid moisture content specifically includes:
Step 1: by oil product pipeline system Lai material enter materail tube through static mixer carry out state adjustment；
Step 2: sample is sufficiently mixed pressurized delivered to chamber is measured by self priming pump, is measured intracavitary by popping one's head in well
Oral fluid detected using high-frequency circuit method to sample；
Step 3: complete detection sample enter surge tank, the sample liquid level in surge tank be more than overflow port after overflow automatically
It flow to materail tube and returns oil product pipeline system；
Step 4: sample heats sample after entering surge tank, and the sample after heating is by feed inlet through spraying pumping
Out, cleaning sprayer is delivered to wash away probe.
Preferably, static mixer described in sample includes 1~3, and mixed cell form is according to import in static mixer
Flow and inlet pressure select；And sample detection outlet port is set to the end that sample flows through the mixed cell of static mixer
End.
Preferably, in step 2 method particularly includes: continuous 3~5 megahertzs of rays of output of probe pass through sample, and receive
Sample feeds back radiation frequencies and evanescent voltage, feeds back radiation frequencies and evanescent voltage as feature sample information by under measuring appliance
Digital signal is converted to after the machine identification of position, is communicated and is controlled by host computer.
It can be seen via above technical scheme that compared with prior art, the present disclosure provides a kind of wellhead liquid is aqueous
The self-operated measuring unit and its measurement method of rate have technical effect beneficial below:
The present invention is sucked out sample by self priming pump and directly carries out the detection of water content to sample by detector,
Water content can accurately and be quickly and easily measured, solves the problems, such as that measurement water content is difficult in the prior art, realizes to oil
The crude oil yield dataization of well is intelligent, can find the fluctuation of oil well output in time, avoid using conventional test methodologies into
The hysteresis quality of row test, improves measurement efficiency.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 attached drawing is overall structure diagram provided by the invention；
Fig. 2 attached drawing is materail tube structural schematic diagram provided by the invention；
Fig. 3 attached drawing is detector provided by the invention, surge tank and the structural schematic diagram for measuring chamber；
Fig. 4 attached drawing is the positional diagram of probe and cleaning sprayer provided by the invention；
Fig. 5 attached drawing is the positional diagram of measurement chamber and materail tube provided by the invention；
1- detector, 2- measure chamber, 3- check-valves, 4- materail tube, 5- solenoid valve, 6- self priming pump, 7- jet pump, 8-
Surge tank, 9- sample detect outlet port, 10- probe, 11- heating element, 12- feed inlet, 13- cleaning sprayer, 14- overflow port.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the embodiment of the invention discloses a kind of self-operated measuring units of wellhead liquid moisture content, comprising: material
Pipe 4, self priming pump 6, measurement chamber 2, surge tank 8, detector 1 and jet pump 7；
The materail tube 4 is connected with the self priming pump 6, and the self priming pump 6 is connected with the measurement chamber 2, institute
It states measurement chamber 2 and is set to 8 bottom of surge tank, and the measurement chamber 2 and the 8 bottom connection of surge tank, the detector 1
It is disposed through inside the surge tank 8 and measurement chamber 2, wherein the probe 10 of the detector 1 extends in measurement chamber 2, it is described
Jet pump 7 is connected with the surge tank 8.
Specifically, static mixer described in sample includes 1~3, and mixed cell form is according to import in static mixer
Flow and inlet pressure select, one of three kinds of SU type, SK type, SV type patterns and two kinds can be selected.
Further, it as shown in Fig. 2, static mixer is arranged inside the materail tube 4, is set on 4 tube wall of materail tube
It is equipped with sample detection outlet port 9, sample detection outlet port 9 is connected with the self priming pump 6.
Further, between the materail tube 4 and the self priming pump 6 and the self priming pump 6 and the survey
Solenoid valve 5 is equipped between amount chamber 2,5 rear end of solenoid valve between the self priming pump 6 and the measurement chamber 2 is additionally provided with only
Return valve 3.
Further, as shown in figure 3, one end of the materail tube 4 is material input, the other end is material output end,
The probe 10 of the detector 1 is sensor, and the probe 10 is located in measurement chamber 2, and the cavity wall of measurement chamber 2 sets that there are two clear
Spray head 13 is washed, two cleaning sprayers 13 are oppositely arranged, output end phase of the cleaning sprayer 13 with the jet pump 7
Even.
Specifically, pop one's head in 10 10.0~16.0mm of diameter, length 15.mm~50.0mm, and 10 upper ends of probe use stainless steel
Pipe is fixed, stainless steel tube connecting flange, and stainless steel tube and probe 10 are measurement component, which is arranged vertically；It pops one's head in 10 outer walls
It is 1.5mm~3.5mm with measurement 2 inner wall of chamber distance.
Further, 8 built-in heating element 11 of surge tank, temperature sensor, pressure sensor, and the surge tank
8 are equipped with overflow port 14 and feed inlet 12, and the overflow port 14 is connected with the material output end of the materail tube 4, the charging
Mouth 12 is connected with the input terminal of the jet pump 7；
Specifically, as shown in figure 4, surge tank 8 is ellipse, 8 2000.0~5000.0cm of volume of surge tank3。
Further, solenoid valve 5, the jet pump 7 and the measurement chamber 2 are equipped between the jet pump 7 and surge tank 8
Between be successively arranged solenoid valve 5 and check-valves 3.
A kind of method for automatic measurement of wellhead liquid moisture content specifically includes:
Step 1: by oil product pipeline system Lai material enter materail tube 4 through static mixer carry out state adjustment；
Step 2: sample is sufficiently mixed pressurized delivered to measurement chamber 2 by self priming pump 6, measurement chamber 2 is interior by probe 10
Wellhead liquid detected using high-frequency circuit method to sample；
Further, and sample detection outlet port 9 is set to the end that sample flows through the mixed cell of static mixer.Examination
Sample mixes in self priming pump 6 by the high-speed stirred of blade, and gas phase, water phase are mutually sufficiently mixed with oil in sample；Examination
Sample is acted on by self priming pump 6,0.1~0.3MPa of pressure increase；
Further, in step 2 method particularly includes: continuously 3~5 megahertzs of rays of output pass through sample to probe 10,
And receive sample feedback radiation frequencies and evanescent voltage, radiation frequencies and evanescent voltage are fed back as feature sample information by surveying
Digital signal is converted to after the identification of measuring device slave computer, is communicated and is controlled by host computer.
Step 3: complete detection sample enter surge tank 8, the sample liquid level in surge tank 8 be more than overflow port 14 after from
Dynamic overflow to materail tube 4 returns oil product pipeline system；
Step 4: sample heats sample after entering surge tank 8, and the sample after heating is by feed inlet 12 through jet pump
7 extractions are delivered to 13 pairs of cleaning sprayer probes 10 and wash away.
Specifically, jet pump 7 is extracted out from the feed inlet 12 of surge tank 8 heats liquid, and 55.0~65.0 DEG C of fluid temperature, clearly
Washing stream wash away probe 10 after reenter surge tank 8 be heated again extraction rinse, washing time 0.5~1.0 hour, complete punching
Enter process of measurement after washing procedure.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (9)
1. a kind of self-operated measuring unit of wellhead liquid moisture content characterized by comprising materail tube (4), self priming pump (6),
Measure chamber (2), surge tank (8), detector (1) and jet pump (7)；
The materail tube (4) is connected with the self priming pump (6), the self priming pump (6) and measurement chamber (2) phase
Even, the measurement chamber (2) is set to the surge tank (8) bottom, and the measurement chamber (2) and the surge tank (8) bottom join
Logical, the detector (1) is disposed through the surge tank (8) and the measurement chamber (2) is internal, wherein the detector (1)
Probe (10) extend to measurement chamber (2) in, the jet pump (7) is connected with the surge tank (8).
2. a kind of self-operated measuring unit of wellhead liquid moisture content according to claim 1, which is characterized in that
Static mixer is set inside the materail tube (4), sample detection outlet port is provided on materail tube (4) tube wall
(9), sample detection outlet port (9) is connected with the self priming pump (6).
3. a kind of self-operated measuring unit of wellhead liquid moisture content according to claim 1, which is characterized in that
Between the materail tube (4) and the self priming pump (6) and the self priming pump (6) and the measurement chamber (2)
Between be equipped with solenoid valve (5), the self priming pump (6) and it is described measurement chamber (2) between solenoid valve (5) rear end be additionally provided with
Check-valves (3).
4. a kind of self-operated measuring unit of wellhead liquid moisture content according to claim 1, which is characterized in that
The probe (10) of the detector (1) is sensor, and the probe (10) is located in measurement chamber (2), measurement chamber (2)
Cavity wall is set there are two cleaning sprayer (13), and two cleaning sprayers (13) are oppositely arranged, and the cleaning sprayer (13) is and institute
The output end for stating jet pump (7) is connected.
5. a kind of self-operated measuring unit of wellhead liquid moisture content according to claim 2, which is characterized in that
One end of the materail tube (4) is material input, and the other end is material output end, the built-in heating of the surge tank (8)
Element (11), temperature sensor, pressure sensor, and the surge tank (8) is equipped with overflow port (14) and feed inlet (12), institute
It states overflow port (14) to be connected with the material output end of the materail tube (4), the feed inlet (12) is defeated with the jet pump (7)
Enter end to be connected.
6. a kind of self-operated measuring unit of wellhead liquid moisture content according to claim 2, which is characterized in that
Be equipped with solenoid valve (5) between the jet pump (7) and surge tank (8), the jet pump (7) and the measurement chamber (2) it
Between be successively arranged solenoid valve (5) and check-valves (3).
7. a kind of method for automatic measurement of wellhead liquid moisture content, which is characterized in that specific steps include:
Step 1: by oil product pipeline system Lai material enter materail tube (4) through static mixer carry out state adjustment；
Step 2: sample is sufficiently mixed pressurized delivered to measuring chamber (2), by popping one's head in measurement chamber (2) by self priming pump (6)
(10) wellhead liquid detect sample using high-frequency circuit method；
Step 3: the sample for completing detection enters surge tank (8), and the sample liquid level in surge tank (8) is more than after overflow port (14)
Automatic overflow to materail tube (4) return oil product pipeline system；
Step 4: sample heats sample after entering surge tank (8), and the sample after heating is by feed inlet (12) through jet pump
(7) it extracts out, is delivered to cleaning sprayer (13) and probe (10) is washed away.
8. a kind of method for automatic measurement of wellhead liquid moisture content according to claim 7, which is characterized in that
The static mixer includes 1~3, and mixed cell form is according to the flow and inlet pressure of import in static mixer
It selects；And sample detection outlet port (9) is set to the end that sample flows through the mixed cell of static mixer.
9. a kind of method for automatic measurement of wellhead liquid moisture content according to claim 7, which is characterized in that in step 2
Method particularly includes: probe (10) continuously exports 3~5 megahertzs of rays and passes through sample, and receives sample feedback radiation frequencies and decline
Powered down pressure feeds back radiation frequencies and evanescent voltage as feature sample information and is converted to number after the identification of measuring appliance slave computer
Signal is communicated and is controlled by host computer.
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| CN109869136A (en) * | 2019-04-11 | 2019-06-11 | 燕山大学 | A kind of land face single pithead oil-water two-phase flow impedance capacitance moisture percentage measuring apparatus |
| CN110965986A (en) * | 2019-11-01 | 2020-04-07 | 南京瑞路通达信息技术有限公司 | Device and method for measuring three-phase flow of oil field production well produced liquid |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109838228A (en) * | 2019-02-26 | 2019-06-04 | 东北石油大学 | Ultra-high water-containing grease holdup measurement method based on thermal trace |
| CN109838228B (en) * | 2019-02-26 | 2019-09-24 | 东北石油大学 | Ultra-high water-containing grease holdup measurement method based on thermal trace |
| CN109869136A (en) * | 2019-04-11 | 2019-06-11 | 燕山大学 | A kind of land face single pithead oil-water two-phase flow impedance capacitance moisture percentage measuring apparatus |
| CN109869136B (en) * | 2019-04-11 | 2020-07-24 | 燕山大学 | Land single-wellhead oil-water two-phase flow resistance capacitance water content measuring device |
| CN110965986A (en) * | 2019-11-01 | 2020-04-07 | 南京瑞路通达信息技术有限公司 | Device and method for measuring three-phase flow of oil field production well produced liquid |
| CN110965985A (en) * | 2019-11-01 | 2020-04-07 | 南京瑞路通达信息技术有限公司 | Automatic measuring device and method for mass flow of produced liquid of oil field production well |
| CN110965986B (en) * | 2019-11-01 | 2023-10-31 | 南京瑞路通达信息技术有限公司 | Measuring device and method for three-phase flow of produced liquid of oilfield production well |
| CN110965985B (en) * | 2019-11-01 | 2024-01-30 | 南京瑞路通达信息技术有限公司 | Automatic measuring device and method for mass flow of produced liquid of oilfield production well |
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