CN201196642Y - Apparatus for testing non-heating collect and transport limit of ultra-high water cut stage oil gas water conduit - Google Patents
Apparatus for testing non-heating collect and transport limit of ultra-high water cut stage oil gas water conduit Download PDFInfo
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- CN201196642Y CN201196642Y CNU200820089939XU CN200820089939U CN201196642Y CN 201196642 Y CN201196642 Y CN 201196642Y CN U200820089939X U CNU200820089939X U CN U200820089939XU CN 200820089939 U CN200820089939 U CN 200820089939U CN 201196642 Y CN201196642 Y CN 201196642Y
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Abstract
The utility model relates to a device for testing an unheated gathering and transporting limit of an oil-gas-water pipeline in an ultrahigh water cut stage. The device is arranged on the outdoor ground; an oil-gas-water mixture inlet pipeline, a three-phase separator, an inlet transparent observation tube, a hydrous analyzing instrument, a flowmeter, an inlet thermometer, an inlet pressure meter, a gathering and transporting pipeline pressure reduction testing section, an outlet thermometer, an outlet pressure meter, an outlet transparent observation tube and an outlet pipeline which are led out from a metering chamber of an oil-gas gathering and transporting system are connected in turn by pipelines; a gas flowmeter and a valve are arranged between the three-phase separator and the outlet pipeline; the outlet pipeline is connected to an oil gathering tube of the metering chamber; and the three-phase separator, the inlet transparent observation tube, the hydrous analyzing instrument, the flowmeter and the outlet transparent observation tube are connected with a front valve and a rear valve in serial, connected with another valve in parallel and connected with the pipelines. The device is used for testing the unheated gathering and transporting limit of oil-gas-water in the ultrahigh water cut stage under the condition of adding no medicine, thereby reducing the energy consumption of oil gathering.
Description
One, technical field:
The utility model relates to the device that test ultra-high water cut stage oil gas waterpipe does not heat the defeated boundary of collection.
Two, background technology:
China's crude oil that produce in most of oil field belongs to paraffinic crude, defeated in order to guarantee the crude oil proper set, it is the heating delivery technology of fuel that early stage oil-gas gathering and transportation system generally adopts with the casing-head gas, promptly take in the oil gas aqueous mixtures of oil well output, to mix technical measures such as high-temperature water or hotwater tracing, improve the temperature of oil gas water, make the oil gas of oil well output be collected safely and effectively and carry.The defeated 1 ton of crude oil of China's every collection in each oil field on average consumes gas 15-35 rice
3, the defeated 1 ton of crude oil of the every collection of grand celebration on average consumes gas 27 standard meters
3, oil field year is consumed gas and reaches 13 * 10
8Standard meter
3, the oil-collecting energy consumption has been taken up an area of 78% of face engineering total energy consumption, and energy consumption is huge.Along with going deep into of oil-field development, east China onshore oil field major part has entered development late stage at present, and most oil well comprehensive water cut surpass 85%, and the part oil well has reached 95%, is called as ultra-high water-containing oil recovery phase or ultra-high water cut stage this period.Along with the rising of oil well comprehensive water cut, the oil field is faced with the situation of used energy scarcities such as water, electricity, gas, has a strong impact on Oilfield developing production, therefore, and the energy-saving and cost-reducing vital problem demanding prompt solution in oil field that become.It is the major measure of taking at present that oil well is implemented not heat oil-collecting, but the oil field enters the ultra-high water-containing after date, the total fluid production of oil well constantly rises, the well head oil outlet temperature raises, variation has taken place in the flow state of oil gas water and waterpower thermodynamic property, is badly in need of redefining the mixed transportation of oil and gas pipeline and does not heat the defeated boundary of collection.
Three, summary of the invention:
The purpose of this utility model provides a kind of device that ultra-high water cut stage oil gas waterpipe does not heat the defeated boundary of collection of testing, and this device is used to test ultra-high water cut stage, and under the condition that does not add any medicament, oil gas water does not heat the defeated boundary of collection.
The technical scheme that its technical matters that solves the utility model adopts is: the device that this test ultra-high water cut stage oil gas waterpipe does not heat the defeated boundary of collection is installed on the outdoor ground, by the oil gas aqueous mixtures inlet pipeline of drawing from the oil-gas gathering and transportation system metering plant, triphase separator, inlet transparent observing pipe, analyzer of water content, flowmeter, the temperature in meter, the inlet pressure table, gathering line pressure fall-off test section, the outlet temperature meter, delivery gauge, outlet transparent observing pipe, outlet conduit is formed by connecting by pipeline successively, gas meter and valve are installed between triphase separator and the outlet conduit, and outlet conduit is connected to metering plant oil-collecting header; Described triphase separator, inlet transparent observing pipe, analyzer of water content, flowmeter, outlet transparent observing Guan Jun be by two valves of front and back polyphones and with another valve parallel connection after be connected with pipeline again; Described gathering line pressure fall-off test Duan Youxin polyurethane tube, old light pipe, new light pipe are formed in parallel.
The inlet transparent observing pipe of such scheme and outlet transparent observing pipe are the quartz glass transparent tube, the quartz glass transparent tube is to adopt advanced continuous smelting law technology to produce, and have stronger transmittancy, and resistance to pressure is good, can bear the above pressure of 2MP, it is convenient to clean.
Beneficial effect:
The utility model is installed on the outdoor ground, is used to test ultra-high water cut stage, and under the condition that does not add any medicament, oil gas water does not heat the defeated boundary of collection.When temperature is higher than this boundary, when the oil gas collection of oil well output and conveying, do not need to take in the oil gas aqueous mixtures, to mix technical measures such as high-temperature water or hotwater tracing; Only when temperature is lower than this boundary, the oil gas of oil well output is collected and when carrying, just need be taked to mix technical measures such as high-temperature water or hotwater tracing in the oil gas aqueous mixtures, can reduce the oil-collecting energy consumption like this.
Four, description of drawings:
Fig. 1 is a structural representation of the present utility model.
Five, embodiment:
In conjunction with shown in Figure 1, the device that this test ultra-high water cut stage oil gas waterpipe does not heat the defeated boundary of collection is installed on the outdoor ground, be installed between the oil gas aqueous mixtures inlet pipeline and metering plant oil-collecting header of drawing from metering plant, be specially the oil gas aqueous mixtures inlet pipeline 1 of drawing from metering plant, triphase separator 2, inlet transparent observing pipe 3, analyzer of water content 4, flowmeter 5, temperature in meter 6, inlet pressure table 7, gathering line pressure fall-off test section, outlet temperature meter 11, delivery gauge 12, outlet transparent observing pipe 13, outlet conduit 14 is formed by connecting by pipeline successively, gas meter 15 and variable valve 16 are installed between triphase separator 2 and the outlet conduit 14, and outlet conduit 14 is connected to metering plant oil-collecting header; Described triphase separator 2 front and back polyphones variable valve 18, variable valve 19 and with another variable valve 17 parallel connections after be connected with pipeline again; Inlet transparent observing pipe 3 by two valves of front and back polyphone and with another valve parallel connection after be connected with pipeline again; Behind analyzer of water content 4 front and back polyphones variable valve 21 and the another one valve and with another variable valve 20 parallel connections after be connected with pipeline again; Outlet transparent observing pipe 13 by two valves of front and back polyphone and with another valve parallel connection after be connected with pipeline again; Described gathering line pressure fall-off test Duan Youxin polyurethane tube 8, old light pipe 9, new light pipe 10 are formed in parallel.Above-mentioned pipeline and pipeline are identical to the pipe diameter of metering plant with well head.Inlet transparent observing pipe 3 and outlet transparent observing pipe 13 are the quartz glass transparent tube.
When utilizing the utility model test, the oil gas aqueous mixtures that oil pumper is released arrives metering plant through gathering line, enters the utility model from metering plant.Because gassiness is influential to the precision of analyzer of water content 4 and flowmeter 5, when the test beginning, earlier variable valve 17, variable valve 20 are closed, open variable valve 18, variable valve 19, variable valve 16, variable valve 21, after regulating suitable flow, the output object that the output object of every mouthful of well is regulated suitable flow or many mouthfuls of wells by variable valve mixes, carry out gas-liquid separation through triphase separator 2, after stablizing, measure tolerance, water percentage, fluid flow.Begin test then, open variable valve 17, variable valve 20, close variable valve 18, variable valve 19, variable valve 16, variable valve 21, the oil gas aqueous mixtures is through variable valve 17, inlet transparent observing pipe 3, variable valve 20, temperature in meter 6, inlet pressure table 7, enter new polyurethane tube 8, old light pipe 9, new light pipe 10 respectively, enter outlet temperature meter 11, delivery gauge 12 then again successively, export transparent observing pipe 13, finally get back to metering plant oil-collecting header.Enter the inlet condition of gathering line pressure fall-off test section by inlet transparent observing pipe 3 test fluid flows, discharge state by outlet transparent observing pipe 13 test fluid flows, utilize these two transparent observing pipes to make a video recording and typical condition is taken pictures, the flow pattern of analysing fluid and flow state, and, provide theoretical support to the defeated boundary of collection that do not heat that tests out in conjunction with measuring tolerance, water percentage, fluid flow.By two manometric pressure reduction before and after inlet transparent observing pipe 3, outlet transparent observing pipe 13 and the gathering line pressure fall-off test section, can directly test to observe and not heat the defeated boundary of collection, crude oil has condensed into the pigtail shape in pipe, and pressure drop constantly raises, the numerical approximation that this chronothermometer shows is in not heating the defeated temperature limit of collection, should take in the oil gas aqueous mixtures, to mix technical measures such as high-temperature water or hotwater tracing, collect safely and effectively and carry to guarantee oil gas.
The inventor carries out on-the-spot confidentiality test in BLOCK OF LAMADIAN OIL FIELD, and test findings shows that in institute's test parameter scope, oil gas water three phase is mixed the defeated impingement flow that is.When the oil gas coolant-temperature gage was lower than 23 ℃, the pigtail shape had appearred in oil, and pressure drop constantly raises, and was not suitable for direct conveying.Binding isotherm data analysis simultaneously draws, and more than 85%, output gas oil ratio is 40-60m moisture
3The flow velocity of/t, potpourri is that 0.2-2m/s, gas phase specific speed are 0.15-1.8m/s and do not add under the condition of any medicament, it is 23 ℃ that oil gas water does not heat the defeated boundary of collection, be lower than former oil freezing point (35 ℃), the oil gas coolant-temperature gage is more than 23 ℃ the time, pressure drop does not raise, and can carry out the oil gas water security and mix defeated.
Claims (2)
1. test the device that ultra-high water cut stage oil gas waterpipe does not heat the defeated boundary of collection for one kind, it is characterized in that: the device that this test ultra-high water cut stage oil gas waterpipe does not heat the defeated boundary of collection is installed on the outdoor ground, by the oil gas aqueous mixtures inlet pipeline (1) of drawing from the oil-gas gathering and transportation system metering plant, triphase separator (2), inlet transparent observing pipe (3), analyzer of water content (4), flowmeter (5), temperature in meter (6), inlet pressure table (7), gathering line pressure fall-off test section, outlet temperature meter (11), delivery gauge (12), outlet transparent observing (13) pipe, outlet conduit (14) is formed by connecting by pipeline successively, gas meter (15) and valve (16) are installed between triphase separator (2) and the outlet conduit (14), and outlet conduit (14) is connected to metering plant oil-collecting header; Described triphase separator (2), inlet transparent observing pipe (3), analyzer of water content (4), flowmeter (5), outlet transparent observing pipe (13) all be by two valves of front and back polyphone and with another valve parallel connection after be connected with pipeline again; Described gathering line pressure fall-off test Duan Youxin polyurethane tube (8), old light pipe (9), new light pipe (10) are formed in parallel.
2. test ultra-high water cut stage oil gas waterpipe according to claim 1 does not heat the device of the defeated boundary of collection, it is characterized in that: described inlet transparent observing pipe (3) and outlet transparent observing pipe (13) are the quartz glass transparent tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820089939XU CN201196642Y (en) | 2008-05-13 | 2008-05-13 | Apparatus for testing non-heating collect and transport limit of ultra-high water cut stage oil gas water conduit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820089939XU CN201196642Y (en) | 2008-05-13 | 2008-05-13 | Apparatus for testing non-heating collect and transport limit of ultra-high water cut stage oil gas water conduit |
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| Publication Number | Publication Date |
|---|---|
| CN201196642Y true CN201196642Y (en) | 2009-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU200820089939XU Expired - Fee Related CN201196642Y (en) | 2008-05-13 | 2008-05-13 | Apparatus for testing non-heating collect and transport limit of ultra-high water cut stage oil gas water conduit |
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| CN (1) | CN201196642Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102411045A (en) * | 2011-08-05 | 2012-04-11 | 郑州光力科技股份有限公司 | Measuring instrument for trace moisture in oil |
| CN104361454A (en) * | 2014-11-18 | 2015-02-18 | 沈阳化工大学 | Single-station and multi-station collaborative optimization type integrated oil and gas gathering and transferring intelligent management system |
| CN107884432A (en) * | 2017-12-22 | 2018-04-06 | 河北华北石油港华勘察规划设计有限公司 | Measure experimental provision and method that water-oil phase in collector and delivery pipe road glues wall temperature |
-
2008
- 2008-05-13 CN CNU200820089939XU patent/CN201196642Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102411045A (en) * | 2011-08-05 | 2012-04-11 | 郑州光力科技股份有限公司 | Measuring instrument for trace moisture in oil |
| CN102411045B (en) * | 2011-08-05 | 2014-04-16 | 郑州光力科技股份有限公司 | Measuring instrument for trace moisture in oil |
| CN104361454A (en) * | 2014-11-18 | 2015-02-18 | 沈阳化工大学 | Single-station and multi-station collaborative optimization type integrated oil and gas gathering and transferring intelligent management system |
| CN104361454B (en) * | 2014-11-18 | 2018-03-13 | 沈阳化工大学 | A kind of Dan Zhanyu multistations collaboration optimization integral type oil-gas gathering and transportation intelligent management system |
| CN107884432A (en) * | 2017-12-22 | 2018-04-06 | 河北华北石油港华勘察规划设计有限公司 | Measure experimental provision and method that water-oil phase in collector and delivery pipe road glues wall temperature |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090218 Termination date: 20110513 |