CN106989906B - The experimental provision of fluid combined influence factor in a kind of measurement continuous oil well tubing - Google Patents
The experimental provision of fluid combined influence factor in a kind of measurement continuous oil well tubing Download PDFInfo
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- CN106989906B CN106989906B CN201710224964.8A CN201710224964A CN106989906B CN 106989906 B CN106989906 B CN 106989906B CN 201710224964 A CN201710224964 A CN 201710224964A CN 106989906 B CN106989906 B CN 106989906B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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Abstract
The invention discloses a kind of experimental provisions of fluid combined influence factor in measurement continuous oil well tubing, including oil groove main body, variable-frequency motor, high temperature gear pump, first check valve, proportional pressure control valve, throttle valve, flow transmitter, first continuous oil well tubing, thermostable transparent glass tube and the second continuous oil well tubing, oil groove main body, variable-frequency motor and the first check valve pass sequentially through pipeline sequential connection, first check valve is connect by triple valve with proportional pressure control valve and throttle valve, flow transmitter passes sequentially through the first four-way valve and connect with the first continuous oil well tubing, first continuous oil well tubing is connect by thermostable transparent glass tube with the second continuous oil well tubing, second continuous oil well tubing passes sequentially through the second four-way valve and hand valve is connect with oil groove main body, pressure transmitter and temperature transmitter are parallel on first four-way valve and the second four-way valve；Oil groove main body includes heating device, cooling system and temperature transmitter, and the present invention can measure influence of the different cables to crude oil wax, flow velocity and pressure.
Description
Technical field:
The invention belongs to machine internal flow field survey experimental technique fields, and in particular to a kind of interior stream of measurement continuous oil well tubing
The experimental provision of body combined influence factor.
Background technique:
Continuous oil well tubing is a kind of continuous pipe product of built-in cable, and built-in cable is by flow disturbance in use
Deng influence, while cable status will also generate damping to fluid, and restricting relation between the two is not yet clear, built in serious limitation
The application of formula continuous oil well tubing.The most oil field produced crude oil in China are viscous crude and waxy oil at present, in oil extraction and are conveyed
Cheng Zhong, rheological behavior, the viscosity-temperature characteristics of fluid are the key physical performance parameters of continuous oil well tubing, and their traditional tests point
Analysis uses numerical simulation and rheology means, and evaluation result and actual operation parameters have a certain distance.
The experimental provision of fluid combined influence factor in continuous oil well tubing is measured, the pressure drop rule of measurement fluid are not only become
The major experimental research means of the combined influences factors such as rule, wax deposition different in flow rate, under different temperatures and fluidised form, experiment knot
Fruit will provide directive function for the type selecting of the selection of continuous oil well tubing, pump, design of string pipe, water conservancy parameter designing etc..Currently, for
In all kinds of experimental provisions of experimental studies such as pipeline fluid characteristic, waxy oil wax deposit characteristic, the test point of some of devices
Analysis function is relatively simple, test scope limitation is larger and cumbersome, once change experiment condition and experimental program, this
Class experimental provision is then difficult to be applicable in, and needs that it is transformed or redesigns, and utilization rate of equipment and installations is low, is not suitable for the continuous oil pumping of simulation
Situation of the pipe in the actual condition of oil field.In this regard, we have researched and proposed a kind of measurement and influence fluid in continuous oil well tubing and have influenced
The experimental provision of factor, the device can be used to simulate continuous oil well tubing under the actual condition of oil field, fluid-pressure drop rule, difference
Influence of the factors such as wax deposition and fluidised form to continuous oil well tubing under flow velocity, different temperatures.
Summary of the invention:
The purpose of the present invention is to provide a kind of experimental provisions of fluid combined influence factor in measurement continuous oil well tubing, should
Experimental provision can be used to simulate continuous oil well tubing under the actual condition of oil field, and fluid-pressure drop is regular, different in flow rate, different temperatures
Influence of the factors such as lower wax deposition and fluidised form to continuous oil well tubing, easy to operate, at low cost, high production efficiency.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: fluid is comprehensive in a kind of measurement continuous oil well tubing
Close influence factor experimental provision, including oil groove main body, variable-frequency motor, high temperature gear pump, the first check valve, proportional pressure control valve,
Throttle valve, flow transmitter, the first continuous oil well tubing, thermostable transparent glass tube and the second continuous oil well tubing, the oil groove master
Body, variable-frequency motor and the first check valve pass sequentially through pipeline sequential connection, and the high temperature gear pump is connected with variable-frequency motor, described
First check valve is connect by triple valve with the proportional pressure control valve and throttle valve, and the throttle valve is connect with flow transmitter,
The flow transmitter passes sequentially through the first four-way valve, oil inlet metal hose and the first quick-release connector and the first continuous oil well tubing
One end connection, the other end of first continuous oil well tubing are connect with one end of thermostable transparent glass tube, and the high temperature resistant is saturating
The other end of bright glass tube is connect with one end of the second continuous oil well tubing, and the other end of second continuous oil well tubing passes sequentially through
Second quick-release connector, fuel-displaced metal hose, the second four-way valve and hand valve are connect with the oil groove main body, first four-way valve and
Pressure transmitter and temperature transmitter are parallel on second four-way valve；The oil groove main body includes for controlling fluid temperature (F.T.)
Heating device and cooling system, and the temperature transmitter of measurement fluid temperature (F.T.).
Above-mentioned experimental provision further includes second one-way valve, and the second one-way valve is in parallel with the hand valve, and with the two or four
Port valve and the series connection of oil groove main body.
The both ends of above-mentioned thermostable transparent glass tube pass through clip and the first continuous oil well tubing and the second continuous oil pumping respectively
Pipe connection.
Above-mentioned thermostable transparent glass tube, the first continuous oil well tubing and the second continuous oil well tubing are each perpendicular to ground.
Fluid in above-mentioned oil groove main body is added with tracer.
Above-mentioned tracer is colorant or fluorescent powder.
Beneficial effects of the present invention:
Experimental provision of the present invention can be convenient the temperature of control fluid by heating system and cooling system, be convenient for measuring knot
Influence of the wax to continuous oil well tubing inner cable has very strong applicability；By the switching of valve, different processes may be implemented,
The experiment under different condition is completed, structure is simple and convenient to operate；By opening and closing different valves, instrument, crude oil is completed
Influence of the influence factors such as pressure, flow velocity, density, particulate matter to continuous oil well tubing inner cable, and simulate different armored cables
Influence to crude oil wax and the influence to crude oil flow velocity, pressure；In addition, this experimental provision can be also used for waxy crude oil,
The effect assessment of the fluid behaviours such as viscous crude, oil-water mixture.
Detailed description of the invention:
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
Fig. 1 is the experimental provision schematic diagram of fluid combined influence factor in present invention measurement continuous oil well tubing.
Description of symbols: 1 oil groove main body, 2 variable-frequency motors, 3 high temperature gear pumps, 4 first check valves, 5 triple valves, 6 ratios
Example overflow valve, 7 throttle valves, 8 flow transmitters, 9 first four-way valves, 10 oil inlet metal hoses, 11 first quick-release connectors, 12 first
Continuous oil well tubing, 13 thermostable transparent glass tubes, 14 second continuous oil well tubings, 15 second quick-release connectors, 16 fuel-displaced metal hoses,
17 second four-way valves, 18 hand valves, 19 second one-way valves, 20 heating devices, 21 temperature transmitters, 22 cooling systems, 23 pressure become
Send device, 24 clips.
Specific embodiment:
A kind of experimental provision measuring fluid combined influence factor in continuous oil well tubing as shown in Figure 1, including including oil groove
Main body 1, variable-frequency motor 2, high temperature gear pump 3, the first check valve 4, proportional pressure control valve 6, throttle valve 7, flow transmitter 8, first
Continuous oil well tubing 12, thermostable transparent glass tube 13 and the second continuous oil well tubing 14, the oil groove main body 1, variable-frequency motor 2 and
One check valve 4 passes sequentially through pipeline sequential connection, and the high temperature gear pump 3 and variable-frequency motor 2 connect；First check valve 4
It is connect by triple valve 5 with the proportional pressure control valve 6 and throttle valve 7, the throttle valve 7 is connect with flow transmitter 8, the stream
Transmitter 8 passes sequentially through the first four-way valve 9, oil inlet metal hose 10 and the first quick-release connector 11 and the first continuous oil well tubing 12
One end connection, the other end of first continuous oil well tubing 12 is connect with one end of thermostable transparent glass tube 13, described resistance to
The other end of temperature resistant transparent glass tube 13 is connect with one end of the second continuous oil well tubing 14, second continuous oil well tubing 14 it is another
One end passes sequentially through the second quick-release connector 15, fuel-displaced metal hose 16, the second four-way valve 17 and hand valve 18 and the oil groove main body 1
It connects, is parallel with pressure transmitter 23 and temperature transmitter 21 on first four-way valve 9 and the second four-way valve 17；The oil
Groove body 1 includes the heating device 20 and cooling system 22 for controlling fluid temperature (F.T.), and the temperature of measurement fluid temperature (F.T.) becomes
Send device 21.
The present invention uniformly distributed heating device 20 and cooling system 22 in oil groove main body 1, it is single by special instrument and control
The temperature of 1 the inside fluid of oil groove main body is set and controlled in member, keeps the inner fluid temperature (F.T.) of oil groove main body 1 with pipeline fluid always
Unanimously, it is in uniform temperature field；The present invention is pumped by high temperature gear pump 3 (extracts the stream of 1 the inside of oil groove main body
Body)；Fluid pressure is controlled by the first check valve 4, prevents Fluid pressure excessive, causes to flow back, to protect high temperature gear pump
3；The flow of overflow is set up by proportional pressure control valve 6, it is more accurate to the control of system；By throttle valve 7 come in control piper
The size of fluid flow；The size of flow in pipeline is tested by flow transmitter 8, to simulate fluid pair under different flow
The influence of continuous oil well tubing；The flow pattern of fluid can be observed by thermostable transparent glass tube 13；Hand valve 18 is for controlling stream
The switch of body, is convenient for changing part of appliance；The present invention is parallel with pressure transmitter 23 and temperature transmitter in the first four-way valve 9
21, for measuring the pressure change and temperature change in oil inlet metal hose 10；Pressure inverting is parallel on second four-way valve 17
Device 23 and temperature transmitter 21, for measuring fuel-displaced rear Pressure Drop and temperature variations.
Hand valve 18 is forgotten to open in order to prevent, and fluid still can flow back to oil groove main body 1, avoids oil pressure excessive, causes not
Safety accident, the invention also includes second one-way valve 19, the second one-way valve 19 is in parallel with the hand valve 18, and with the two or four
Port valve 17 and oil groove main body 1 are connected.
The different situation of the factors such as pressure, flow velocity, density, the particulate matter of crude oil may be implemented in experimental provision of the invention
Under, measure the influence that crude oil flow generates continuous oil well tubing inner cable.Before measurement: being packed into oil product in oil groove main body 1, be mixed into and show
Variable-frequency motor 2, high temperature gear pump 3, the first check valve 4, triple valve 5, proportional pressure control valve are opened in track agent (colorant, fluorescent powder)
6, throttle valve 7, flow transmitter 8, the first four-way valve 9, pressure transmitter 23, temperature transmitter 21, the second four-way valve 17, second
Check valve 19 and hand valve 18 start to test after oil pressure is stablized.By adjusting the pressure transmitter 23 connecting with the first four-way valve 9
Control inlet pressure is 0.1MPa, then adjusts throttle valve 7, makes flow control in 0.01m/s, pass through thermostable transparent glass tube
The fluidised form of fluid, passes through the pressure transmitter 23 and temperature transmitter connecting with the second four-way valve 17 in 13 observation continuous oil well tubings
21 measurement Pressure Drops and fluid temperature (F.T.), are maintained at temperature constant state.Also according to the above method, adjusted according to the numerical value in table 1
Pressure, flow velocity record flow, pressure, temperature, observe fluid oil stream mode in continuous oil well tubing, and record, wherein 1 He of oil product
Oil product 2 possesses different density, measures pressure loss rule at a constant temperature and different in flow rate to continuous oil well tubing inner cable
It influences.
Wax deposition may be implemented to the affecting laws of fluid flow state, flow velocity and the pressure loss in experimental provision of the present invention.Pass through
Heating device 20 in oil groove main body 1 heats oil product, measures temperature via temperature transmitter 21, makes temperature control in wax deposition point
On, then according to table 1, measure influence of the crude oil wax to fluid flow state, flow velocity and the pressure loss at 45 DEG C.
1 pressure of table, flow velocity test parameters adjusting range
Claims (6)
1. the experimental provision of fluid combined influence factor in a kind of measurement continuous oil well tubing, it is characterised in that: including oil groove main body
(1), variable-frequency motor (2), high temperature gear pump (3), the first check valve (4), proportional pressure control valve (6), throttle valve (7), flow pick-up
Device (8), the first continuous oil well tubing (12), thermostable transparent glass tube (13) and the second continuous oil well tubing (14), the oil groove master
Body (1), variable-frequency motor (2) and the first check valve (4) pass sequentially through pipeline sequential connection, the high temperature gear pump (3) and frequency conversion
Motor (2) connection, first check valve (4) are connect by triple valve (5) with the proportional pressure control valve (6) and throttle valve (7),
The throttle valve (7) connect with flow transmitter (8), and the flow transmitter (8) passes sequentially through the first four-way valve (9), oil inlet
Metal hose (10) and the first quick-release connector (11) are connect with one end of the first continuous oil well tubing (12), the described first continuous oil pumping
Pipe (12) the other end connect with one end of thermostable transparent glass tube (13), the thermostable transparent glass tube (13) it is another
End is connect with one end of the second continuous oil well tubing (14), and it is fast that the other end of second continuous oil well tubing (14) passes sequentially through second
Changing-over head (15), fuel-displaced metal hose (16), the second four-way valve (17) and hand valve (18) are connect with the oil groove main body (1), institute
It states and is parallel with pressure transmitter (23) and temperature transmitter (21) on the first four-way valve (9) and the second four-way valve (17)；It is described
Oil groove main body (1) includes for controlling the heating device of fluid temperature (F.T.) (20) and cooling system (22), and measurement fluid temperature (F.T.)
Temperature transmitter (21).
2. the experimental provision of fluid combined influence factor, special in a kind of measurement continuous oil well tubing according to claim 1
Sign is: the experimental provision further includes second one-way valve (19), and the second one-way valve (19) is in parallel with hand valve (18),
It connects with second four-way valve (17) and oil groove main body (1).
3. the experimental provision of fluid combined influence factor, special in a kind of measurement continuous oil well tubing according to claim 1
Sign is: the both ends of the thermostable transparent glass tube (13) pass through clip (24) and the first continuous oil well tubing (12) and the respectively
Two continuous oil well tubings (14) connection.
4. the experimental provision of fluid combined influence factor, special in a kind of measurement continuous oil well tubing according to claim 1
Sign is: the thermostable transparent glass tube (13), the first continuous oil well tubing (12) and the second continuous oil well tubing (14) are vertical
In ground.
5. the experimental provision of fluid combined influence factor, special in a kind of measurement continuous oil well tubing according to claim 1
Sign is: the fluid in the oil groove main body (1) is added with tracer.
6. the experimental provision of fluid combined influence factor, special in a kind of measurement continuous oil well tubing according to claim 5
Sign is: the tracer is colorant or fluorescent powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710224964.8A CN106989906B (en) | 2017-04-07 | 2017-04-07 | The experimental provision of fluid combined influence factor in a kind of measurement continuous oil well tubing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710224964.8A CN106989906B (en) | 2017-04-07 | 2017-04-07 | The experimental provision of fluid combined influence factor in a kind of measurement continuous oil well tubing |
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| Publication Number | Publication Date |
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| CN106989906A CN106989906A (en) | 2017-07-28 |
| CN106989906B true CN106989906B (en) | 2019-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710224964.8A Active CN106989906B (en) | 2017-04-07 | 2017-04-07 | The experimental provision of fluid combined influence factor in a kind of measurement continuous oil well tubing |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110174237A (en) * | 2019-06-18 | 2019-08-27 | 中国石油天然气集团有限公司 | The experiment porch of fluid state in a kind of measurement oil pipe |
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| CN103335834A (en) * | 2013-07-02 | 2013-10-02 | 南京工业大学 | Throttle valve port performance test device |
| CN203655737U (en) * | 2013-12-23 | 2014-06-18 | 四川川润液压润滑设备有限公司 | Throttle pressure maintaining constant current system |
| CN105696999A (en) * | 2016-01-29 | 2016-06-22 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Coiled tubing experimental system and method |
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| CN106989906A (en) | 2017-07-28 |
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