CN201196643Y - Apparatus for testing security mixed transport limit of ultra-high water cut stage oil gas water conduit - Google Patents
Apparatus for testing security mixed transport limit of ultra-high water cut stage oil gas water conduit Download PDFInfo
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- CN201196643Y CN201196643Y CNU2008200899417U CN200820089941U CN201196643Y CN 201196643 Y CN201196643 Y CN 201196643Y CN U2008200899417 U CNU2008200899417 U CN U2008200899417U CN 200820089941 U CN200820089941 U CN 200820089941U CN 201196643 Y CN201196643 Y CN 201196643Y
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Abstract
The utility model relates to a device for testing a limit for safe mixed transportation of an oil-gas-water pipeline in an ultrahigh water cut stage. The device is arranged between two three-way valves of a metering chamber; the two three-way valves are respectively used as an inlet three-way valve and an outlet three-way valve of the device; and the inlet three-way valve, an oil-gas-water mixture inlet pipeline, an inlet valve, a pressure meter, a thermometer, a transparent observation tube, an outlet valve, an outlet pipeline and the outlet three-way valve are connected by pipelines in turn. The device is used for testing the limit for safe mixed transportation of oil-gas-water of a double-pipe water mixing, collecting and transporting system in the ultrahigh water cut stage. When the temperature is higher than the limit and oil-gas produced in an oil well is collected and transported, the technical measures of adding high-temperature water to an oil-gas-water mixture or hot water tracing and the like are not needed to be adopted; only when the temperature is lower than the limit and the oil-gas produced by the oil well is collected and transported, the technical measures of doping the high-temperature water or hot water for heat tracing to the oil-gas-water mixture and the like are only needed to be adopted, thereby reducing the energy consumption of oil collection.
Description
One, technical field:
The utility model relates to the two-tube water mixing gathering and transferring process of ultra-high water cut stage oil gas waterpipe safety is mixed the device that defeated boundary is tested.
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 main measures to effectively increase energy savings and reduce material consumption of taking at present that oil well is implemented not heat oil-collecting, when the temperature of oil gas aqueous mixtures is higher than safety and mixes defeated boundary, do not need to take in the oil gas aqueous mixtures, to mix technical measures such as high-temperature water or hotwater tracing and just can realize that safety is mixed and fail.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, safety is mixed defeated boundary and has also been produced variation, it is higher that original safety is mixed defeated boundary, do not conform to the actual conditions, and is badly in need of redefining two-tube water mixing flow process oil-gas gathering and transportation system oil gas water security and mixes defeated boundary.
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 safety is mixed defeated boundary of testing, and this device is used to test ultra-high water cut stage, and oil-gas gathering and transportation system oil gas water security mixes defeated boundary.
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 safety is mixed defeated boundary is installed between two T-valve of metering plant, these two T-valve respectively as the inlet T-valve of this device and outlet T-valve, and are formed by connecting by pipeline by inlet T-valve, oil gas aqueous mixtures inlet pipeline, inlet valve, tensimeter, thermometer, transparent observing pipe, outlet valve, outlet conduit, outlet T-valve successively.
The transparent observing pipe of such scheme is the quartz glass transparent tube, and 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, and it is convenient to clean.
Beneficial effect:
The utility model is used to test ultra-high water cut stage, and under the condition that does not add any medicament, two-tube water mixing gathering system oil gas water security mixes defeated boundary.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.
1 inlet T-valve, 2 inlet pipelines, 3 inlet valves, 4 tensimeters, 5 thermometers, 6 transparent observing pipes, 7 outlet valves, 8 outlet conduits, 9 outlet T-valve, 10 gas-liquid separators, 11 headers, 12 T-valve, 13 valves, 14 valves, 15 valves, 16 water mixing valves, 17 valves, 18 valves, 19 valves
Five, embodiment:
In conjunction with shown in Figure 1, the device that this test ultra-high water cut stage oil gas waterpipe safety is mixed defeated boundary is installed between the T-valve of two skies of metering plant, with these two T-valve respectively as the inlet T-valve 1 and the outlet T-valve 9 of this device, and be formed by connecting by pipeline successively by inlet T-valve 1, oil gas aqueous mixtures inlet pipeline 2, inlet valve 3, tensimeter 4, thermometer 5, transparent observing pipe 6, outlet valve 7, outlet conduit 8, outlet T-valve 9, wherein transparent observing pipe 6 is the quartz glass transparent tube.The utility model is by video recording or the flow pattern and the profit flow state of taking pictures and can test oil gas water in the collector tubing, and the safety that therefrom draws oil gas water in the collector tubing is mixed defeated boundary.For supported theoretically, also must rely on the well head that provides among Fig. 1 other flow process and facility in the practice to metering plant, such as gas-liquid separator 10, flowmeter, thermometer, tensimeter, the data of utilizing them to provide are carried out theoretical analysis, but in order to make test result credible, in the real work, should change flowmeter, thermometer, tensimeter into the high accuracy number instrument.
The utility model is installed between the T-valve of two skies of metering plant, form a test branch road, but existing, other pipeline of the utility model and metering plant, flow process get in touch, so when testing without the utility model, valve 1 is closed, T-valve 12 is opened downwards, and produced liquid in oil well flows into header 11 through T-valve 12.If need water mixing, valve 13, valve 15 to be opened, the flow of hot water that terminal comes is mixed through T-valve 12 inflow headers 11 with produced liquid in oil well to well head; This moment, valve 19 and T-valve 1 were closed, and prevented that the oil gas aqueous mixtures from entering gas-liquid separator 10 and the utility model, and valve 14, valve 17, valve 18 are all closed, and prevent that hot water from entering the watering quantity test macro; Water mixing valve 16 is opened, and for the utility model provides hot water, in order to avoid line freeze-up, hot water finally flows into header 11 by outlet T-valve 9.
When utilizing the utility model to begin to test, T-valve 12 upwards to be opened, produced liquid in oil well flow to gas-liquid separator 10 and carries out gas-oil separation, measures fluid flow and gas flow respectively; Valve-off 15 is opened valve 14, valve 17, valve 18, and by the watering quantity of hot water flow instrumentation gauging well, other valve is the position when normal operation.Begin test then, T-valve 12 and T-valve 1 are upwards opened, water mixing valve 16 cuts out, valve 14, valve 17, valve 18, valve 19 are all closed, T-valve 9 is opened downwards, the oil gas aqueous mixtures enters this proving installation, through tensimeter 4, thermometer 5, enter transparent observing pipe 6, flow into header 11 from outlet T-valve 9 at last, utilize transparent observing pipe 6 to make a video recording and typical condition is taken pictures, the flow pattern of analysing fluid and flow state, and, the safety that tests out is mixed defeated boundary theoretical support is provided in conjunction with tolerance, the fluid flow measured.By transparent observing pipe 6 and tensimeter 4, thermometer 5, can directly test and observe the mixed defeated temperature limit of safety, crude oil has condensed into the pigtail shape in pipe, and pressure constantly raises, the numerical approximation that this chronothermometer 5 shows is mixed defeated boundary in safety, 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 the Xing Bei oil field, 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 25 ℃, pressure drop constantly raise, and observed by transparent observing pipe 6, and crude oil condenses, and viscosity is big, and the frictional resistance height is not suitable for direct conveying.But be higher than this temperature, when the oil gas collection of oil well output and conveying, do not need to take to mix technical measures such as high-temperature water or hotwater tracing in the oil gas aqueous mixtures, the oil gas of oil well output can be collected and carry safely and effectively.This mixes defeated temperature limit than low 2 ℃ of this oil recovery block crude oil solidifying point.
Claims (2)
1. test the device that ultra-high water cut stage oil gas waterpipe safety is mixed defeated boundary for one kind, it is characterized in that: the device that this test ultra-high water cut stage oil gas waterpipe safety is mixed defeated boundary is installed between two T-valve of metering plant, with these two T-valve respectively as the inlet T-valve (1) of this device and outlet T-valve (9), and by inlet T-valve (1), oil gas aqueous mixtures inlet pipeline (2), inlet valve (3), tensimeter (4), thermometer (5), transparent observing pipe (6), outlet valve (7), outlet conduit (8), outlet T-valve (9) is formed by connecting by pipeline successively.
2. test ultra-high water cut stage oil gas waterpipe safety according to claim 1 is mixed the device of defeated boundary, it is characterized in that: described transparent observing pipe (6) is the quartz glass transparent tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200899417U CN201196643Y (en) | 2008-05-13 | 2008-05-13 | Apparatus for testing security mixed transport limit of ultra-high water cut stage oil gas water conduit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200899417U CN201196643Y (en) | 2008-05-13 | 2008-05-13 | Apparatus for testing security mixed transport limit of ultra-high water cut stage oil gas water conduit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201196643Y true CN201196643Y (en) | 2009-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200899417U Expired - Fee Related CN201196643Y (en) | 2008-05-13 | 2008-05-13 | Apparatus for testing security mixed transport limit of ultra-high water cut stage oil gas water conduit |
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| Country | Link |
|---|---|
| CN (1) | CN201196643Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 CNU2008200899417U patent/CN201196643Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |