CN104895549A - A well yield metering device - Google Patents

A well yield metering device Download PDF

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Publication number
CN104895549A
CN104895549A CN201410075569.4A CN201410075569A CN104895549A CN 104895549 A CN104895549 A CN 104895549A CN 201410075569 A CN201410075569 A CN 201410075569A CN 104895549 A CN104895549 A CN 104895549A
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CN
China
Prior art keywords
liquid
separator
metering
eliminator
oil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410075569.4A
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Chinese (zh)
Inventor
王春光
王观军
樊娜
姜春娟
邹京伦
席琦
曲立明
齐伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Petroleum and Chemical Corp
Technology Inspection Center of Sinopec Shengli Oilfield Co
Original Assignee
China Petroleum and Chemical Corp
Technology Inspection Center of Sinopec Shengli Oilfield Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Petroleum and Chemical Corp, Technology Inspection Center of Sinopec Shengli Oilfield Co filed Critical China Petroleum and Chemical Corp
Priority to CN201410075569.4A priority Critical patent/CN104895549A/en
Publication of CN104895549A publication Critical patent/CN104895549A/en
Pending legal-status Critical Current

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Abstract

The invention provides a well yield metering device comprising a separator, a liquid quantity metering instrument and a gas quantity metering instrument. The side wall near the top of the separator is provided with a liquid coming opening connected with a liquid coming pipe and the bottom of the separator is provided with a liquid discharge port connected with a liquid discharge pipe. The top of the separator is provided with a gas discharge port connected with a gas discharge pipe. The liquid discharge pipe and the gas discharge pipe are jointly connected to a main outlet pipe backward. The liquid quantity metering instrument is arranged on the liquid discharge pipe and the gas quantity metering instrument is arranged on the gas discharge pipe. The separator comprises a separator cavity and a separator umbrella arranged in the middle of the separator cavity for separation. The separator also comprises a secondary separator plate also disposed in the middle of the separator cavity for separation. The secondary separator plate and the separator umbrella are integrally combined to form a cone structure. By using other information means on site, the well yield metering device can greatly improve system efficiency, facilitate the promotion and application of oil field information construction and improve the overall information level of oil field. The well yield metering device has the advantages of reliable performance, low cost, high metering accuracy, convenient installation and maintenance and easy extension and compatibility of systems.

Description

A kind of oil-well yield metering device
Technical field
The present invention relates to metering device, specifically a kind of oil-well yield metering device.
Background technology
The Liquid output of oil well and gas production are indispensable parameters in oil field development production and geological analysis.The whether accurate of these two parameters directly has influence on the exploitation in oil field and the adjustment of geological analysis and process program.The widely used metering device in present oil field mainly contains traditional vertical separator.Vertical separator needs to control metering manually, can not realize continuous metering, oversize to the stripper well gauging time, its gas gauge accuracy of measurement of well of low tolerance is had much room for improvement, its measuring accuracy fluctuated or the impact of belching well comparatively large and the supporting and compatible of the informationization extensively promoted with present oil field and automated system cannot be realized.And this metering method is very large concerning labour intensity execute-in-place workman, and the most of the time spends on gauging, have impact on other work, and efficiency is low.Yet there are no effective automatic arranging apparatus and really drop into onsite application.
Summary of the invention
The object of the present invention is to provide a kind of oil-well yield metering device, coordinate other on-the-spot information-based means greatly can improve the efficiency of system, be conducive to the promotion and application that Oilfield Information is built, thus improve the level of IT application of oil field entirety.Have dependable performance, cost is low, and measuring accuracy is high, and installation and maintenance are convenient, and system is easy to expand and compatible feature.
In order to reach above-mentioned purpose, present invention employs following technical scheme, a kind of oil-well yield metering device, comprise eliminator, liquid volume measurement instrument, tolerance measuring instrument, the sidewall of described eliminator near top is offered liquid mouth and is connected to come liquid pipe and install electro connecting pressure gauge, separator bottom offers leakage fluid dram connected drainage pipe, eliminator top is offered exhaust opening and is connected stack, described discharging tube and stack are jointly connected to backward and always go out pipe, described discharging tube is provided with liquid volume measurement instrument, described stack is provided with tolerance measuring instrument.
Described eliminator comprises eliminator cavity, is separated umbrella, and described separation umbrella is every being located at eliminator cavity centre position.
Described eliminator also comprises the second-order separation plate, described the second-order separation plate also every being located at eliminator cavity centre position, simultaneously be separated umbrella and link into an integrated entity, form conical structure.
Described chorista outer wall is also provided with content gauge and electro connecting pressure gauge.
The discharging tube at described liquid volume measurement instrument rear is also provided with fluid path valve, the stack at described tolerance measuring instrument rear is also provided with gas circuit valve.
Described liquid volume measurement instrument, tolerance measuring instrument, fluid path valve, gas circuit valve, content gauge are connected with controller respectively, controller synthesis judges after judging upper and lower two liquid levels and sends instruction, control the break-make of fluid path valve or the break-make of gas circuit valve, recorded the numerical value of liquid measure instrument and tolerance instrument with Time Controller by the mode of communication.
Described controller comprises AVR single chip microprocessor chip and is connected to power circuit, clock circuit, RS485 interface, input interface circuit, output interface circuit, the warning circuit in said chip; Controller by RS485 interface respectively with liquid measure and gas gauge amount Instrument connection, read tolerance and liquid measure numerical value; The bound switching signal of content gauge enters controller by input interface circuit, controller judges the situation carried out liquid and carry out gas according to fluid level condition and pressure meter situation of change, and then the cut-offfing of valve of fluid path and gas circuit is controlled by output interface circuit, realize the accurate-metering to liquid measure and tolerance.
Compared to prior art, the present invention has following beneficial effect:
The present invention is a kind of device being used as individual well or many well gaugings at oil field shaft mouth or metering room.By changing the separation umbrella structure of traditional vertical eliminator, improve the effect of gas-liquid separation; The structure changing gas circuit reduces the content of drop in gas circuit further, improves the quality of gas; By increase high density magnetic turnover panel liquid-level switch and and leakage fluid dram cooperation, both ensure that the guaranteed precision of liquid volume measurement of the effect of discharge opeing; The timely discharge of liquid measure and the suitable control of liquid level of separator interior is ensure that by increasing fluid flowmeter motor operated valve; The pressure of liquid level and the accurate-metering of tolerance is ensure that by increase gas circuit flow meter and electromagnetic valve; The cooperation of increase system control module and switch realizes the accurate control to motor operated valve and electromagnetic valve, thus ensure that metering is in precision, leaves communication interface modules compatible with the other system at scene easily simultaneously, is more conducive to informatization.
The present invention has the following advantages: 1, greatly save manpower, reduces the labour intensity of workman.2, the measuring accuracy of operating efficiency and liquid measure and tolerance obtains large increase.3, technique is simple, dependable performance, convenient operating maintenance.4 and operation automation system coordinate and greatly can improve the automatization level of total system.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of oil-well yield metering device of the present invention.
In figure: 1 for carrying out liquid mouth; 2 for being separated umbrella; 3 is the second-order separation plate; 4 is leakage fluid dram; 5 is liquid volume measurement instrument; 6 is fluid path valve; 7 for always going out pipe; 8 is content gauge; 9 eliminators; 10 is stack; 11 is tolerance measuring instrument; 12 is gas circuit valve; 13 is controller; 14 is electro connecting pressure gauge.
Detailed description of the invention
Detailed description for the present invention and technology contents, coordinate accompanying drawing to be described as follows, but accompanying drawing only provides with reference to the use with explanation, is not used for being limited the present invention.
As shown in Figure 1, a kind of oil-well yield metering device, comprise eliminator 9, liquid volume measurement instrument 5, tolerance measuring instrument 11, the sidewall of described eliminator near top is offered liquid mouth 1 and is connected to come liquid pipe, separator bottom offers leakage fluid dram 4 connected drainage pipe, eliminator top is opened and is installed electro connecting pressure gauge 14, and offer exhaust opening connection stack 10, described discharging tube and stack are jointly connected to backward and always go out pipe 7, described discharging tube is provided with liquid volume measurement instrument, described stack is provided with tolerance measuring instrument.Described eliminator comprises eliminator cavity, is separated umbrella 2, and described separation umbrella is every being located at eliminator cavity centre position.Described eliminator also comprises the second-order separation plate 3, described the second-order separation plate also every being located at eliminator cavity centre position, simultaneously be separated umbrella and link into an integrated entity, form conical structure.Be separated umbrella by according to field condition, be made into the umbrella-shaped structure with certain altitude and angle, the filter screen size being separated umbrella is 2.5 square centimeters, the filter opening size of filter plate is 1 square centimeter below, such structure ensure that the abundant separation of liquid and uniform distribution, dropping to minimum to the vibrations degree of liquid level below.Described chorista outer wall is also provided with content gauge 8.The discharging tube at described liquid volume measurement instrument rear is also provided with fluid path valve 6, the stack at described tolerance measuring instrument rear is also provided with gas circuit valve 12.Described liquid volume measurement instrument, tolerance measuring instrument, fluid path valve, gas circuit valve, content gauge are connected with controller 13 respectively, controller synthesis judges after judging upper and lower two liquid levels and sends instruction, control the break-make of fluid path valve or the break-make of gas circuit valve, recorded the numerical value of liquid measure instrument and tolerance instrument with Time Controller by the mode of communication.Described controller comprises the compositions such as AVR single chip microprocessor chip, power circuit, clock circuit, RS485 interface, input interface circuit, output interface circuit, warning circuit.Controller by RS485 interface respectively with liquid measure and gas gauge amount Instrument connection, read tolerance and liquid measure numerical value.The bound switching signal of content gauge enters controller by input interface circuit, controller judges the situation carried out liquid and carry out gas according to fluid level condition and pressure meter situation of change, and then the cut-offfing of valve of fluid path and gas circuit is controlled by output interface circuit, realize the accurate-metering to liquid measure and tolerance.
The liquid that comes of such as origin liquid mouth 1 flows into after one-level is separated umbrella 2 and the second-order separation plate 3, enter cavity bottom, liquid measure motor operated valve 6 cuts out, at this moment the liquid level in cavity 9 and content gauge 8 rises gradually, controller 13 sends instruction unpack tolerance motor operated valve 12, tolerance instrument 11 starts metering, prescribe a time limit when liquid level arrives in liquid level, controller sends instruction and cuts out gas circuit motor operated valve 12, open fluid path motor operated valve 6 simultaneously, at this moment liquid measure instrument 5 starts metering, after this Time Controller 13 judges to carry out liquid situation by pressure meter 14 situation of change, whether perform after comprehensive descision and open road motor operated valve instruction.When content gauge 8 liquid level is reduced to down in limited time, limit switch action issues instructions to controller 13, controller 13 sends instruction and cuts out fluid path motor operated valve 6, start to rise with liquid level in content gauge 8 in cavity 9, next circulation starts, such controller 13, by reading the gentle value of liquid measure in this circulation and being saved in internal storage, by calculating tolerance within a certain period of time and liquid measure aggregate-value, just can calculate Liquid output and the gas production of one day.Main line is entered in remittance general export 7 after gas and liquid measure respectively.

Claims (7)

1. an oil-well yield metering device, it is characterized in that, comprise eliminator, liquid volume measurement instrument, tolerance measuring instrument, the sidewall of described eliminator near top is offered liquid mouth and is connected to come liquid pipe, separator bottom offers leakage fluid dram connected drainage pipe, and eliminator top is offered exhaust opening and connected stack, and described discharging tube and stack are jointly connected to backward and always go out pipe, described discharging tube is provided with liquid volume measurement instrument, described stack is provided with tolerance measuring instrument.
2. a kind of oil-well yield metering device according to claim 1, is characterized in that, described eliminator comprises eliminator cavity, is separated umbrella, and described separation umbrella is every being located at eliminator cavity centre position.
3. a kind of oil-well yield metering device according to claim 2, it is characterized in that, described eliminator also comprises the second-order separation plate, and described the second-order separation plate is also every being located at eliminator cavity centre position, simultaneously be separated umbrella and link into an integrated entity, form conical structure.
4. a kind of oil-well yield metering device according to claim 3, is characterized in that, described chorista outer wall is also provided with content gauge.
5. a kind of oil-well yield metering device according to claim 1, is characterized in that, the discharging tube at described liquid volume measurement instrument rear is also provided with fluid path valve, and the stack at described tolerance measuring instrument rear is also provided with gas circuit valve.
6. a kind of oil-well yield metering device according to claim 1, it is characterized in that, described liquid volume measurement instrument, tolerance measuring instrument, fluid path valve, gas circuit valve, content gauge are connected with controller respectively, controller synthesis judges after judging upper and lower two liquid levels and sends instruction, control the break-make of fluid path valve or the break-make of gas circuit valve, recorded the numerical value of liquid measure instrument and tolerance instrument with Time Controller by the mode of communication.
7. a kind of oil-well yield metering device according to claim 6, it is characterized in that, described controller comprises AVR single chip microprocessor chip and is connected to power circuit, clock circuit, RS485 interface, input interface circuit, output interface circuit, the warning circuit in said chip; Controller by RS485 interface respectively with liquid measure and gas gauge amount Instrument connection, read tolerance and liquid measure numerical value; The bound switching signal of content gauge enters controller by input interface circuit, controller judges the situation carried out liquid and carry out gas according to fluid level condition and pressure meter situation of change, and then the cut-offfing of valve of fluid path and gas circuit is controlled by output interface circuit, realize the accurate-metering to liquid measure and tolerance.
CN201410075569.4A 2014-03-04 2014-03-04 A well yield metering device Pending CN104895549A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410075569.4A CN104895549A (en) 2014-03-04 2014-03-04 A well yield metering device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410075569.4A CN104895549A (en) 2014-03-04 2014-03-04 A well yield metering device

Publications (1)

Publication Number Publication Date
CN104895549A true CN104895549A (en) 2015-09-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410075569.4A Pending CN104895549A (en) 2014-03-04 2014-03-04 A well yield metering device

Country Status (1)

Country Link
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105317420A (en) * 2015-10-19 2016-02-10 杭州创联电子技术有限公司 oil well produced fluid metering system and control method
CN105317421A (en) * 2015-10-19 2016-02-10 杭州创联电子技术有限公司 oil well produced fluid water content metering system and control method
CN106582166A (en) * 2016-11-09 2017-04-26 成都世唯科技有限公司 Two-phase separation device specially used for petroleum and natural gas

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105317420A (en) * 2015-10-19 2016-02-10 杭州创联电子技术有限公司 oil well produced fluid metering system and control method
CN105317421A (en) * 2015-10-19 2016-02-10 杭州创联电子技术有限公司 oil well produced fluid water content metering system and control method
CN106582166A (en) * 2016-11-09 2017-04-26 成都世唯科技有限公司 Two-phase separation device specially used for petroleum and natural gas

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