CN106989906A - 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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- CN106989906A CN106989906A CN201710224964.8A CN201710224964A CN106989906A CN 106989906 A CN106989906 A CN 106989906A CN 201710224964 A CN201710224964 A CN 201710224964A CN 106989906 A CN106989906 A CN 106989906A
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- oil well
- well tubing
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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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- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Abstract
The invention discloses a kind of experimental provision for measuring fluid combined influence factor in continuous oil well tubing, including oil groove main body, variable-frequency motor, high temperature gear pump, first check valve, proportional pressure control valve, choke 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 and are linked in sequence, first check valve is connected by triple valve with proportional pressure control valve and choke valve, flow transmitter passes sequentially through the first four-way valve and is connected with the first continuous oil well tubing, first continuous oil well tubing is connected 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 connected with oil groove main body, pressure transmitter and temperature transmitter are parallel with first four-way valve and the second four-way valve；Oil groove main body includes heater, cooling system and temperature transmitter, influence of the measurable different cables of the present invention to crude oil wax, flow velocity and pressure.
Description
Technical field:
The invention belongs to machine internal flow field survey experimental technique field, and in particular to be flowed in one kind measurement continuous oil well tubing
The experimental provision of body combined influence factor.
Background technology：
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 produce damping to fluid, restricting relation between the two is not yet clear and definite, and serious limitation is built-in
The application of formula continuous oil well tubing.The most oil field produced crude oil of current China are viscous crude and waxy oil, 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 has a certain distance with actual operation parameters.
The experimental provision of fluid combined influence factor in continuous oil well tubing is measured, not only the pressure drop rule as measurement fluid
The major experimental research meanses of the combined influence factors such as rule, the wax deposition under different in flow rate, different temperatures and fluidised form, it tests knot
Fruit will provide directive function for the selection of continuous oil well tubing, the type selecting of pump, design of string pipe, water conservancy parameter designing etc..At present, for
In all kinds of experimental provisions of experimental study 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 difficult then to be applicable, it is necessary to transform it or redesign, 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 fluid influence in a kind of measurement influence continuous oil well tubing
The experimental provision of factor, the device can be for simulation continuous oil well tubing under the actual condition of oil field, fluid-pressure drop rule, difference
Influence of the factor such as wax deposition and fluidised form to continuous oil well tubing under flow velocity, different temperatures.
The content of the invention：
, should it is an object of the invention to provide a kind of experimental provision for measuring fluid combined influence factor in continuous oil well tubing
Experimental provision can be for simulation continuous oil well tubing under the actual condition of oil field, fluid-pressure drop rule, different in flow rate, different temperatures
The influences of the factor to continuous oil well tubing such as lower wax deposition and fluidised form, simple to operate, cost is low, and production efficiency is high.
In order to solve the above technical problems, the technical solution adopted by the present invention is：Fluid is comprehensive in one kind 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,
Choke 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 and are linked in sequence, the high temperature gear pump and variable-frequency motor connection, described
First check valve is connected by triple valve with the proportional pressure control valve and choke valve, and the choke valve is connected with flow transmitter,
The flow transmitter passes sequentially through the first four-way valve, oil-feed metal hose and the first quick-release connector and the first continuous oil well tubing
One end is connected, and the other end of first continuous oil well tubing is connected with one end of thermostable transparent glass tube, and the high temperature resistant is saturating
The other end of bright glass tube is connected with one end of the second continuous oil well tubing, and the other end of second continuous oil well tubing is passed sequentially through
Second quick-release connector, fuel-displaced metal hose, the second four-way valve and hand valve are connected with the oil groove main body, first four-way valve and
Pressure transmitter and temperature transmitter are parallel with second four-way valve；The oil groove main body includes being used to control fluid temperature (F.T.)
Heater and cooling system, and measure the temperature transmitter of fluid temperature (F.T.).
Above-mentioned experimental provision also includes the second check valve, and second check 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 two 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 is connected.
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 colouring agent, or fluorescent material.
Beneficial effects of the present invention：
Experimental provision of the present invention can conveniently control the temperature of fluid by heating system and cooling system, be convenient for measuring knot
Influence of the wax to continuous oil well tubing inner cable, with very strong applicability；Pass through the switching of valve, it is possible to achieve different flows,
The experiment under different condition is completed, it is simple in construction, easy 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.
Brief description of the drawings:
The embodiment to the present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 measures the experimental provision schematic diagram of fluid combined influence factor in continuous oil well tubing for the present invention.
Description of reference numerals：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 choke valves, 8 flow transmitters, 9 first four-way valves, 10 oil-feed 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 check valves, 20 heaters, 21 temperature transmitters, 22 cooling systems, 23 pressure become
Send device, 24 clips.
Embodiment:
A kind of experimental provision for measuring fluid combined influence factor in continuous oil well tubing, including including oil groove as shown in Figure 1
Main body 1, variable-frequency motor 2, high temperature gear pump 3, the first check valve 4, proportional pressure control valve 6, choke valve 7, flow transmitter 8, first
Continuous oil well tubing 12, the continuous oil well tubing 14 of thermostable transparent glass tube 13 and second, the oil groove main body 1, variable-frequency motor 2 and
One check valve 4 passes sequentially through pipeline and is linked in sequence, and the high temperature gear pump 3 and variable-frequency motor 2 are connected；First check valve 4
It is connected by triple valve 5 with the proportional pressure control valve 6 and choke valve 7, the choke valve 7 is connected with flow transmitter 8, the stream
Transmitter 8 passes sequentially through the first four-way valve 9, the quick-release connector 11 of oil-feed metal hose 10 and first and the first continuous oil well tubing 12
One end connection, the other end of first continuous oil well tubing 12 is connected with one end of thermostable transparent glass tube 13, described resistance to
The other end of temperature resistant transparent glass tube 13 is connected 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
Pressure transmitter 23 and temperature transmitter 21 are parallel with connection, the four-way valve 17 of the first four-way valve 9 and second；The oil
Groove body 1 includes the heater 20 and cooling system 22 for being used to control fluid temperature (F.T.), and the temperature of measurement fluid temperature (F.T.) becomes
Send device 21.
Present invention heater 20 uniform in oil groove main body 1 and cooling system 22, it is single by special instrument and control
Member, is set and controlled the temperature of the inside fluid of oil groove main body 1, the inner fluid temperature (F.T.) of oil groove main body 1 is kept all the time with pipeline fluid
Unanimously, in uniform temperature field；The present invention is pumped by high temperature gear pump 3 (extracts the stream of the inside of oil groove main body 1
Body)；Fluid pressure is controlled by the first check valve 4, prevents Fluid pressure excessive, backflow is caused, so as to protect high temperature gear pump
3；Passing ratio overflow valve 6 sets up the flow of overflow, and the control to system is more accurate；By choke valve 7 come in control piper
The size of fluid flow；The size of flow in pipeline is tested by flow transmitter 8, so as 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-feed metal hose 10；Pressure inverting is parallel with second four-way valve 17
Device 23 and temperature transmitter 21, for measuring fuel-displaced rear Pressure Drop and temperature variations.
In order to prevent hand valve 18 from forgetting opening, fluid, which remains unchanged, can flow back to oil groove main body 1, it is to avoid oil pressure is excessive, cause not
Security incident, present invention additionally comprises the second check valve 19, second check 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 experimental provision of the present invention can realize the different situation of the factors such as pressure, flow velocity, density, the particulate matter of crude oil
Under, the influence that measurement crude oil flow is produced to continuous oil well tubing inner cable.Before measurement：Load oil product in oil groove main body 1, be mixed into and show
Track agent (colouring agent, fluorescent material), opens variable-frequency motor 2, high temperature gear pump 3, check valve 3, triple valve 5, proportional pressure control valve 6, section
Flow valve 7, flow transmitter 8, the first four-way valve 9, pressure transmitter 23, temperature transmitter 21, the second four-way valve 17, second unidirectional
Valve 19 and hand valve 18, experiment is started after oil pressure is stable.Controlled by adjusting the pressure transmitter 23 being connected with the first four-way valve 9
Inlet pressure is 0.1MPa, then adjusts choke valve 7, makes flow control in 0.01m/s, seen by thermostable transparent glass tube 13
The fluidised form of fluid in continuous oil well tubing is examined, is surveyed by the pressure transmitter 23 and temperature transmitter 21 that are connected with the second four-way valve 17
Pressure Drop and fluid temperature (F.T.) are measured, temperature constant state is maintained at.Also according to the above method, according to the numerical value in table 1 adjust pressure,
Flow velocity, record flow, pressure, temperature, observes fluid oil stream mode in continuous oil well tubing, and records, wherein oil product 1 and oil product 2
Possess different density, pressure loss rule and the influence different in flow rate to continuous oil well tubing inner cable are measured at a constant temperature.
Experimental provision of the present invention can realize affecting laws of the wax deposition to fluid flow state, flow velocity and the pressure loss.Pass through
Heater 20 in oil groove main body 1, heats oil product, via the measurement temperature of temperature transmitter 24, 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.
The pressure of table 1, flow velocity test parameters adjusting range
Claims (6)
1. a kind of experimental provision for measuring fluid combined influence factor in 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), choke 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 and are linked in sequence, the high temperature gear pump (3) and frequency conversion
Motor (2) is connected, and first check valve (4) is connected by triple valve (5) with the proportional pressure control valve (6) and choke valve (7),
The choke valve (7) is connected with flow transmitter (8), and the flow transmitter (8) passes sequentially through the first four-way valve (9), oil-feed
Metal hose (10) and the first quick-release connector (11) are connected with one end of the first continuous oil well tubing (12), the described first continuous oil pumping
Pipe (12) the other end be connected with one end of thermostable transparent glass tube (13), the thermostable transparent glass tube (13) it is another
End is connected 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 connected with the oil groove main body (1), institute
State and be 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 the heater (20) and cooling system (22) for being used to control fluid temperature (F.T.), and measurement fluid temperature (F.T.)
Temperature transmitter (21).
2. a kind of experimental provision for measuring fluid combined influence factor in continuous oil well tubing according to claim 1, it is special
Levy and be：The experimental provision also includes the second check valve (19), and second check valve (19) is in parallel with the hand valve (18),
Connected with second four-way valve (17) and oil groove main body (1).
3. a kind of experimental provision for measuring fluid combined influence factor in continuous oil well tubing according to claim 1, it is special
Levy and be：The two 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) are connected.
4. a kind of experimental provision for measuring fluid combined influence factor in continuous oil well tubing according to claim 1, it is special
Levy and be：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. a kind of experimental provision for measuring fluid combined influence factor in continuous oil well tubing according to claim 1, it is special
Levy and be：Fluid in the oil groove main body (1) is added with tracer.
6. a kind of experimental provision for measuring fluid combined influence factor in continuous oil well tubing according to claim 5, it is special
Levy and be：The tracer is colouring agent, or fluorescent material.
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 |
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| 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 true CN106989906A (en) | 2017-07-28 |
| CN106989906B CN106989906B (en) | 2019-02-12 |
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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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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