CN105974098A - Online detection device for wellhead water content of high-water-containing oil well - Google Patents
Online detection device for wellhead water content of high-water-containing oil well Download PDFInfo
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- CN105974098A CN105974098A CN201610561303.XA CN201610561303A CN105974098A CN 105974098 A CN105974098 A CN 105974098A CN 201610561303 A CN201610561303 A CN 201610561303A CN 105974098 A CN105974098 A CN 105974098A
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- Prior art keywords
- gas
- phase flow
- separation
- water content
- mixed liquor
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- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 238000001514 detection method Methods 0.000 title claims abstract description 18
- 239000003129 oil well Substances 0.000 title abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 39
- 238000000926 separation method Methods 0.000 claims abstract description 31
- 238000007667 floating Methods 0.000 claims abstract description 5
- 230000005484 gravity Effects 0.000 claims abstract description 5
- 238000005259 measurement Methods 0.000 claims abstract description 5
- 230000008676 import Effects 0.000 claims description 21
- 210000000664 rectum Anatomy 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 2
- 230000000306 recurrent effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 18
- 239000010779 crude oil Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003196 chaotropic effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; Viscous liquids; Paints; Inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/2835—Specific substances contained in the oils or fuels
- G01N33/2847—Water in oils
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/64—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Immunology (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- Food Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Fluid Mechanics (AREA)
- Medicinal Chemistry (AREA)
- Measuring Volume Flow (AREA)
- Pipeline Systems (AREA)
Abstract
The invention provides an online detection device for wellhead water content of a high-water-containing oil well. The online detection device comprises a separation cavity, wherein a mixed liquid inlet is arranged at the lower part of the separation cavity, a gas-phase flow outlet is formed in the top of the separation cavity, and a separation liquid outlet is formed in the bottom of the separation cavity; separation liquid flows out through gravity and pipeline pressure; the separation cavity is internally provided with a floating ball; the gas-phase flow outlet and the separation liquid outlet are connected with an oil conveying pipeline; a water content detection sensor is arranged on a connection pipeline of the separation liquid outlet and the oil conveying pipeline; three-phase flow mixed liquid enters the separation cavity from a mixed liquid inlet through a flow line slide slope; gas-phase flow moves upwards to enter a gas cabin and is finally returned back to the oil conveying pipeline; separation liquid flows down and is slowly separated; the gas-phase flow continually moves upward to be more completely separated through movement of the liquid in the distance from the separation cavity to the separation liquid outlet; after being detected, the separation liquid flowing out from the separation liquid outlet finally enters the oil conveying pipeline; and whole equipment does not generate environment pollution in a utilization process, and the measurement precision of the high water content detection sensor is extremely improved.
Description
Technical field
The invention belongs to crude oil production and sell detection technique field, particularly to a kind of high-water-cut oil-producing well well head
Water content on-line testing device.
Background technology
In the oil industry, crude oil water content is an important indicator, can predict oil well water level by it,
Oil reservoir position；Crude output and extraction value are estimated, it was predicted that recovery percent of reserves formulation are opened accordingly
Adopt scheme, it was predicted that there is extremely important meaning in the exploitation life-span of oil well.For crude oil production, collect defeated,
Dehydration, metering, to sell, refinery etc. produces significant impact, and oil field needs understanding accurately and timely in producing
Crude oil water content situation, estimates the duty of oil well, it is contemplated that oil well output by crude oil water content,
Improve the automated management in oil field, improve production efficiency, play very important important function.But it is raw
The crude oil of output is substantially by solid, liquid, the three-phase flow of gas composition, and crude oil water content is measured and produced by this
Strong influence, data measured distortion level is serious.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, it is an object of the invention to provide a kind of high-water-cut oil-producing well
Well head water content on-line testing device, separates out three-phase flow the gas phase flow point that measurement of water ratio impact is maximum
Go, make moisture sensor be operated in a metastable two phase flow, greatly improve survey
Accuracy of measurement, to meet oil field actual production requirement.
To achieve these goals, the technical solution used in the present invention is:
A kind of high-water-cut oil-producing well well head water content on-line testing device, including disengagement chamber 4, disengagement chamber 4
Bottom is provided with mixed liquor inlet 2, and top arranges gas phase flow export 3, and bottom arranges discharge channel 9,
By gravity and pipeline pressure, making separation liquid stream go out, be provided with ball float 7 in disengagement chamber 4, gas phase flows out
Mouth 3 is all connected with oil pipeline 12 with discharge channel 9, wherein discharge channel 9 and oil pipeline
Moisture content detection sensor 10 is set on the connecting line of 12；Purpose is that reducing gas phase stream passes moisture content
The interference of the detection of sensor.After gas after separation and separation after moisture content detection sensor 10 detection
Separation liquid again send oil pipeline 12 back to, environmental pollution can be avoided.
Three-phase flow enters from mixed liquor import 2, measurement of water ratio affects maximum gas phase stream from gas phase stream
Outlet 3 is separated, so that moisture content detection sensor 10 is in metastable detection environment.
Described disengagement chamber 4 comprises gas storehouse 5 and the liquid storehouse 6 on top, in separation process, increases component efficiency,
Ball float 7 increases floating space, it is to avoid blocking mixed liquor import 2.Ball float 7 is different according to liquid level, up and down
Float, use liquid port 8 and open and close two states occurs, reach to guarantee to discharge without gas.
Described disengagement chamber 4 designs for large space, and disengagement chamber 4 cavity volume and three-phase flow are from mixed liquor import
2 latus rectum d (unit mm) relations are: LChamber=3.1x104D (unit mm3)；Gas storehouse 5 is designed as Large Copacity,
Gas warehouse is long-pending with three-phase flow from mixed liquor import 2 latus rectum d (unit mm) relation is: LGas=9.5x103D is (single
Position mm3), make when a large amount of feed liquor ball float 7 float, prevent because hyperposia causes mixed liquor import (2)
Blocked by ball float 7.
Described gas phase flow export 3 is designed as small-bore, gas phase flow export 3 bore dGas(unit mm) and three
Flow mutually and from mixed liquor import 2 latus rectum d (unit mm) relation be: d=0.5dGasGuarantee that gas phase stream flows through gas phase
Return duct 11 enters the motion of oil pipeline 12.
Open-type streamline landslide 1 is set at described mixed liquor import 2, allows mixing three-phase flow naturally enter and divide
From chamber 4, reduce the fluid destruction to equipment.
The diameter D (unit mm) of described ball float 7 and three-phase flow are from mixed liquor import 2 latus rectum d (unit mm)
Relation is: D=1.6d, disengagement chamber 4 internal diameter dChamber(unit mm) and three-phase flow are from mixed liquor import 2 latus rectum
D (unit mm) relation is: dChamber=1.8d, meets feed liquor and goes out liquid same rate.
Described discharge channel 9 is tiltedly outlet, downward-sloping.
Compared with prior art, the invention has the beneficial effects as follows:
1. mixed liquor flows into disengagement chamber, and liquid can exist a period of time in cavity, add gas-liquid separation
Efficiency.
2. mixed liquor import department is designed as streamlined, decreases the liquid impact when entering separation bin, adds
Big service life of structure and reliability.
3. ball float uses corrosion-resistant material to make, and has good resistance to corrosion, stops material to feed liquor
Pollution while, add service life of equipment.
4. ball float and liquid outlet mouth coordinate, and can control liquid speed according to different liquid inlet volumes.
5. gas phase flow export is designed as small-bore, it is ensured that gas phase stream flows through the motion of gas phase return duct.
6. ball float becomes certain interval with disengagement chamber cavity wall, controls flow area, it is ensured that separation efficiency.
7. accomplished green separation, whole during pollution-free separator be eventually returned in petroleum pipeline.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
Detailed description of the invention
Embodiments of the present invention are described in detail below in conjunction with the accompanying drawings with embodiment.
As it is shown in figure 1, one high-water-cut oil-producing well well head water content on-line testing device of the present invention, including dividing
From chamber 4, the bottom of disengagement chamber 4 is provided with mixed liquor inlet 2, and top arranges gas phase flow export 3, the end
Portion arranges discharge channel 9, by gravity and pipeline pressure, makes separation liquid stream go out, sets in disengagement chamber 4
Being equipped with ball float 7, gas phase flow export 3 is all connected with oil pipeline 12 with discharge channel 9, Qi Zhongfen
On chaotropic outlet 9 and the connecting line of oil pipeline 12, moisture content detection sensor 10 is set.
Disengagement chamber 4 comprises gas storehouse 5 and the liquid storehouse 6 on top, in separation process, increases component efficiency, floating
Ball 7 increases floating space, it is to avoid blocking mixed liquor import 2.Ball float 7 is different according to liquid level, above floats downward
Dynamic, use liquid port 8 and open and close two states occurs, reach to guarantee to discharge without gas.
Three-phase flow mixed liquor enters disengagement chamber 4 from mixed liquor import 2 glibly through streamline landslide 1,
In disengagement chamber 4, the gas phase in mixed liquor flows to walk, and enters in gas storehouse 5, gas phase circulation in gas storehouse 5
Cross gas phase flow export 3 to enter oil pipeline 12 through gas phase return duct 11 and avoid environmental pollution；Separate
Liquid is because gravity and pressure dependence are to dirty, and mixed liquor slowly can be separated in disengagement chamber 4, profit
With liquid from disengagement chamber 4 to discharge channel 9 during this period of time, gas phase stream continues upward motion, makes separation
More thorough；In separation process, ball float 7, can be with liquid outlet mouth 8 shape because of the relation of liquid level
Become certain altitude poor, control liquid storehouse 6 flow rate of liquid；Flow out the separation liquid of discharge channel 9 aqueous
It is again introduced into oil pipeline 12 after rate detection sensor 10 detection.
Claims (8)
1. a high-water-cut oil-producing well well head water content on-line testing device, including disengagement chamber (4), it is special
Levying and be, the bottom of disengagement chamber (4) is provided with mixed liquor inlet (2), and top arranges gas phase and flows out
Mouth (3), bottom arranges discharge channel (9), by gravity and pipeline pressure, makes separation liquid stream go out,
Disengagement chamber (4) is provided with ball float (7), gas phase flow export (3) and discharge channel (9) all with
Oil pipeline (12) is connected, wherein discharge channel (9) and the connecting line of oil pipeline (12)
On arrange moisture content detection sensor (10).
The most according to claim 1, high-water-cut oil-producing well well head water content on-line testing device, its feature exists
In, three-phase flow enters from mixed liquor import (2), measurement of water ratio affects maximum gas phase stream from gas phase
Flow export (3) is separated, so that moisture content detection sensor (10) is in metastable detection
Environment.
The most according to claim 1, high-water-cut oil-producing well well head water content on-line testing device, its feature exists
In, described disengagement chamber (4) comprises gas storehouse (5) and liquid storehouse (6) on top, in separation process, increases
Adding component efficiency, ball float (7) increases floating space, it is to avoid blocking mixed liquor import (2).
The most according to claim 3, high-water-cut oil-producing well well head water content on-line testing device, its feature exists
In, described disengagement chamber (4) designs for large space, disengagement chamber (4) cavity volume LChamberWith three-phase flow from
Mixed liquor import (2) latus rectum d relation is: LChamber=3.1x104d；Gas storehouse (5) is designed as Large Copacity,
Gas warehouse amasss LGasWith three-phase flow from mixed liquor import (2) latus rectum d relation it is: LGas=9.5x103D,
Make ball float (7) float during a large amount of feed liquor, prevent because hyperposia causes mixed liquor import (2) by ball float
(7) blocking.
The most according to claim 4, high-water-cut oil-producing well well head water content on-line testing device, its feature exists
In, described gas phase flow export (3) is designed as small-bore, gas phase flow export (3) bore dGasWith three-phase
Stream from mixed liquor import (2) latus rectum d relation is: d=0.5dGas, it is ensured that gas phase stream flows through gas phase recurrent canal
Road (11) enters the motion of oil pipeline (12).
The most according to claim 1, high-water-cut oil-producing well well head water content on-line testing device, its feature exists
In, described mixed liquor import (2) place arranges open-type streamline landslide (1), reduces fluid to equipment
Destroy.
The most according to claim 1, high-water-cut oil-producing well well head water content on-line testing device, its feature exists
In, the diameter D of described ball float (7) with three-phase flow from mixed liquor import (2) latus rectum d relation is: D=1.6d,
Disengagement chamber (4) internal diameter dChamberWith three-phase flow from mixed liquor import (2) latus rectum d relation it is: dChamber=1.8d,
Meet feed liquor and go out liquid same rate.
The most according to claim 1, high-water-cut oil-producing well well head water content on-line testing device, its feature exists
In, described discharge channel (9) is tiltedly outlet, downward-sloping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610561303.XA CN105974098B (en) | 2016-07-15 | 2016-07-15 | A kind of high-water-cut oil-producing well well head water content on-line testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610561303.XA CN105974098B (en) | 2016-07-15 | 2016-07-15 | A kind of high-water-cut oil-producing well well head water content on-line testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105974098A true CN105974098A (en) | 2016-09-28 |
| CN105974098B CN105974098B (en) | 2018-04-06 |
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| CN201610561303.XA Expired - Fee Related CN105974098B (en) | 2016-07-15 | 2016-07-15 | A kind of high-water-cut oil-producing well well head water content on-line testing device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770491A (en) * | 2017-01-18 | 2017-05-31 | 中国石油大学(华东) | Free water content on-line measurement device and method in oil pipeline |
| CN107560971A (en) * | 2017-09-27 | 2018-01-09 | 杨贺轩 | A kind of online water content intelligent detection device of oil country tubular good |
| CN107587873A (en) * | 2017-09-30 | 2018-01-16 | 陈勇 | A kind of well head intelligent moisture-content detection means |
| CN111854871A (en) * | 2020-08-05 | 2020-10-30 | 吴平 | Device for metering and delivering liquid |
| CN112267869A (en) * | 2019-07-08 | 2021-01-26 | 中国石油天然气股份有限公司 | Metering device for oilfield single-well produced liquid and use method |
| CN112483718A (en) * | 2020-12-19 | 2021-03-12 | 代宁宁 | Gas-liquid automatic separating valve |
| WO2021055571A1 (en) * | 2019-09-18 | 2021-03-25 | Saudi Arabian Oil Company | Method and apparatus to measure water content of petroleum fluids |
| CN115138102A (en) * | 2022-07-05 | 2022-10-04 | 山东万通石油化工集团有限公司 | Oil gas recovery and separation device |
| US11548784B1 (en) | 2021-10-26 | 2023-01-10 | Saudi Arabian Oil Company | Treating sulfur dioxide containing stream by acid aqueous absorption |
| US11926799B2 (en) | 2021-12-14 | 2024-03-12 | Saudi Arabian Oil Company | 2-iso-alkyl-2-(4-hydroxyphenyl)propane derivatives used as emulsion breakers for crude oil |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109975526A (en) * | 2019-04-11 | 2019-07-05 | 燕山大学 | A kind of well head oil-gas-water three-phase flow static state measurement of water ratio system and its control method |
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2016
- 2016-07-15 CN CN201610561303.XA patent/CN105974098B/en not_active Expired - Fee Related
Patent Citations (6)
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| US6809528B1 (en) * | 1999-06-17 | 2004-10-26 | Vaisala Oyj | Method and apparatus for measuring water content |
| GB2467373B (en) * | 2009-01-30 | 2012-09-26 | Kittiwake Developments Ltd | Composition and method for determining the water content present in oil |
| CN103184861A (en) * | 2013-04-02 | 2013-07-03 | 荆州市明德科技有限公司 | Crude oil sand content analysis device |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770491B (en) * | 2017-01-18 | 2019-04-30 | 中国石油大学(华东) | Free water content on-line measurement device and method in oil pipeline |
| CN106770491A (en) * | 2017-01-18 | 2017-05-31 | 中国石油大学(华东) | Free water content on-line measurement device and method in oil pipeline |
| CN107560971A (en) * | 2017-09-27 | 2018-01-09 | 杨贺轩 | A kind of online water content intelligent detection device of oil country tubular good |
| CN107587873A (en) * | 2017-09-30 | 2018-01-16 | 陈勇 | A kind of well head intelligent moisture-content detection means |
| CN112267869B (en) * | 2019-07-08 | 2023-08-22 | 中国石油天然气股份有限公司 | Application method of metering device for oilfield single well produced fluid |
| CN112267869A (en) * | 2019-07-08 | 2021-01-26 | 中国石油天然气股份有限公司 | Metering device for oilfield single-well produced liquid and use method |
| WO2021055571A1 (en) * | 2019-09-18 | 2021-03-25 | Saudi Arabian Oil Company | Method and apparatus to measure water content of petroleum fluids |
| US11131660B2 (en) | 2019-09-18 | 2021-09-28 | Saudi Arabian Oil Company | Method and apparatus to measure water content of petroleum fluids |
| CN111854871A (en) * | 2020-08-05 | 2020-10-30 | 吴平 | Device for metering and delivering liquid |
| CN112483718A (en) * | 2020-12-19 | 2021-03-12 | 代宁宁 | Gas-liquid automatic separating valve |
| US11548784B1 (en) | 2021-10-26 | 2023-01-10 | Saudi Arabian Oil Company | Treating sulfur dioxide containing stream by acid aqueous absorption |
| US11926799B2 (en) | 2021-12-14 | 2024-03-12 | Saudi Arabian Oil Company | 2-iso-alkyl-2-(4-hydroxyphenyl)propane derivatives used as emulsion breakers for crude oil |
| CN115138102A (en) * | 2022-07-05 | 2022-10-04 | 山东万通石油化工集团有限公司 | Oil gas recovery and separation device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105974098B (en) | 2018-04-06 |
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Effective date of registration: 20221124 Address after: 161000 Longnan Development Zone, Longsha District, Qiqihar City, Heilongjiang Province Patentee after: Qiqihar Shengxin Machinery Manufacturing Co.,Ltd. Address before: 710065, No. 18, two East, electronic road, Shaanxi, Xi'an Patentee before: XI'AN SHIYOU University |
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Granted publication date: 20180406 |