CN210014897U - Experimental platform for measuring fluid state in oil pipe - Google Patents
Experimental platform for measuring fluid state in oil pipe Download PDFInfo
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- CN210014897U CN210014897U CN201920913359.6U CN201920913359U CN210014897U CN 210014897 U CN210014897 U CN 210014897U CN 201920913359 U CN201920913359 U CN 201920913359U CN 210014897 U CN210014897 U CN 210014897U
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Abstract
The utility model discloses a measure experiment platform of fluid state in oil pipe, including fluid storage device, inverter motor, high temperature gear oil pump, first check valve, proportion overflow valve, choke valve, flow transmitter, horizontal pipeline section oil pipe, high temperature resistant clear glass horizontal line section, bend section oil pipe and high temperature resistant clear glass return bend, fluid storage device and high temperature gear oil pump pass through the tube coupling, and the high temperature gear oil pump is connected with inverter motor and first check valve respectively, and first check valve passes through the three-way valve to be connected with proportion overflow valve and choke valve, flow transmitter are connected, horizontal pipeline section oil pipe, high temperature resistant clear glass horizontal line section, bend section oil pipe, high temperature resistant clear glass return bend fluid storage device connects gradually. The test device is simple in structure, capable of simulating the fluid states of the bending section and the horizontal section in the horizontal well of the oil field, capable of providing a stable flow field, reusable and accurate in test result.
Description
The technical field is as follows:
the utility model belongs to the technical field of the hydrodynamics experiment, concretely relates to measure experiment platform of fluid state in oil pipe.
Background art:
experimental hydrodynamics, which extends through the entire field of hydrodynamics, reveals the flow state and flow characteristics of fluids in the flow process by means of elaborate observation and measurement methods, and is of the same importance as theoretical hydrodynamics and computational hydrodynamics. At present, crude oil extracted from most oil fields in China is thick oil, and basic parameters of the crude oil in the aspects of flow velocity, flow line, pressure drop rule and the like of oil pipes in a vertical well and a horizontal well are simulated by utilizing experimental hydromechanics, so that the method plays an important role in improving the oil extraction efficiency. The measurement of fluid in oil pipes on the market at present can test the comprehensive influence factors of the fluid in a vertical well, such as: chinese patent CN106989906A "an experimental device for measuring comprehensive influence factors of fluid in a continuous oil pumping pipe" can simulate key physical property parameters of fluid in the oil pumping pipe with cables in a straight well section (vertical to the ground) of an oil well, but the fluid states of a bending section (with a certain dog leg degree) and a horizontal section (parallel to the ground) in a horizontal well of the oil well cannot be measured by using the existing experimental device for measuring fluid.
However, the flow characteristics of the vertical well are different from those of the horizontal well, the horizontal well is ubiquitous in the oil well, and the fluid parameters of the horizontal well have a strong guiding effect on the material selection of the oil pipe, the design of the pipe column and the applicability of the water conservancy parameter design. Aiming at the test requirements, an experiment platform which can measure the fluid states of a bending section and a horizontal section in a horizontal well, can enrich the fluid test analysis function in an oil pipe, and solves the problems that the test range is large in limitation and complex in operation, the flow field formed by the complex structure of an experiment device is not stable enough, the experiment data is not accurate enough and the like becomes necessary.
The utility model has the following contents:
an object of the utility model is to overcome above-mentioned prior art's shortcoming, provide an experiment platform of fluid state in measurement oil pipe, its fluid state and simple structure that can simulate bending section and horizontal segment in the oil field horizontal well can provide the steady flow field, but reuse and the experimental result of test are accurate.
The utility model aims at solving through the following technical scheme: an experiment platform for measuring the fluid state in an oil pipe comprises a fluid storage device, a variable frequency motor, a high-temperature gear oil pump, a first check valve, a proportional overflow valve, a throttle valve, a flow transmitter, a horizontal pipe section oil pipe, a high-temperature-resistant transparent glass horizontal oil pipe, a bending section oil pipe and a high-temperature-resistant transparent glass bent pipe, wherein the fluid storage device is connected with the high-temperature gear oil pump through a pipeline; the first four-way valve is connected with a first pressure transmitter and a first temperature transmitter, and the other end of the horizontal pipe section oil pipe is connected with one end of a high-temperature resistant transparent glass horizontal pipe section; the other end of the high-temperature resistant transparent glass horizontal pipe section is connected with one end of the bent section oil pipe through a second quick-change connector and a metal hose in sequence; the other end of the bent section oil pipe is connected with one end of the high-temperature-resistant transparent glass bent pipe through a third quick-change connector; the other end of the high-temperature resistant transparent glass bent pipe is connected with the fluid storage device through an oil outlet metal hose, a second four-way valve and a hand valve in sequence, and a second pressure transmitter and a second temperature transmitter are connected to the second four-way valve; the fluid storage device comprises a heating device and a cooling system for controlling the temperature of the fluid, and a temperature transmitter for measuring the temperature of the fluid; the horizontal pipe section oil pipe, the high-temperature-resistant transparent glass horizontal pipe section, the bent section oil pipe and the high-temperature-resistant transparent glass bent pipe are all parallel to the ground, and are lifted by 80cm away from the ground by using 50-degree angle steel as a supporting bracket; the horizontal pipe section oil pipe and the high-temperature-resistant transparent glass horizontal pipe section are connected by a clamp, and the joint is sealed by a sealing material; the high-temperature-resistant transparent glass bent pipe is connected with the bent section oil pipe through a clamp, and the joint is sealed through a sealing material.
The beneficial effects of the utility model reside in that:
1. the utility model discloses an experiment platform possesses crooked pipeline section and horizontal pipe section and simulates the fluid state of horizontal well, and simple structure, with low costs can make things convenient for each item parameter of control fluid, possess the repacking and change advantages such as convenient, through the switching of valve, can carry out proportional control to experiment crooked pipeline section and horizontal pipe section, guarantee that experiment pipeline section fluid flow field is stable to can realize the circulation flow of oil stream, thereby obtain comparatively accurate test data.
2. The experiment pipe section part adopts transparent organic glass, is transparent and visible, can intuitively display the flowing state of the fluid in different pipe sections, and is convenient for observing and shooting the whole flow field. The measurement of the pressure and the flow rate of the crude oil is completed by opening and closing different valves and instruments.
3. Different pipe sections of the device are connected by quick-change connectors, so that the device is convenient to assemble, disassemble, clean and maintain. In addition, the experimental device can also be used for evaluating the effect of fluid characteristics such as wax-containing crude oil, thick oil, oil-water mixed liquid and the like.
Description of the drawings:
fig. 1 is the utility model discloses measure the interior fluid state's of oil pipe experiment platform schematic diagram.
Description of reference numerals: the device comprises a fluid storage device 1, a variable frequency motor 2, a high-temperature gear pump 3, a first check valve 4, a three-way valve 5, a proportional overflow valve 6, a throttle valve 7, a flow transmitter 8, a first four-way valve 9, a first pressure transmitter 10, a first temperature transmitter 11, a metal hose 12 for oil inlet, a first quick-change connector 13, a clamp 14, a horizontal pipe section oil pipe 15, a high-temperature-resistant transparent glass horizontal pipe section 16, a second quick-change connector 17, a metal hose 18, a bent section oil pipe 19, a third quick-change connector 20, a high-temperature-resistant transparent glass bent pipe 21, a metal hose 22 for oil outlet, a second four-way valve 23, a second pressure transmitter 24, a second temperature transmitter 25, a hand valve 26, a second check valve 27, a heating device 28, a cooling system 29 and a.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1, an experimental platform for measuring the fluid state in an oil pipe comprises a fluid storage device 1, a variable frequency motor 2, a high temperature gear oil pump 3, a first check valve 4, a proportional overflow valve 6, a throttle valve 7, a flow transmitter 8, a horizontal pipe section oil pipe 15, a high temperature resistant transparent glass horizontal pipe section 16, a bending section oil pipe 19 and a high temperature resistant transparent glass bent pipe 21, wherein the fluid storage device 1 and the high temperature gear oil pump 3 are connected through a pipeline, the high temperature gear oil pump 3 is respectively connected with the variable frequency motor 2 and the first check valve 4, the first check valve 4 is connected with the proportional overflow valve 6 and the throttle valve 7 through a three-way valve 5, the throttle valve 7 is connected with the flow transmitter 8, the flow transmitter 8 is connected with one end of the horizontal pipe section oil pipe 15 through a first four-way valve 9, an oil inlet metal hose 12 and a first quick-change joint 13 in sequence, the first four-way valve, the other end of the horizontal pipe section oil pipe 15 is connected with one end of a high temperature resistant transparent glass horizontal pipe section 16, the other end of the high temperature resistant transparent glass horizontal pipe section 16 is connected with one end of a bent section oil pipe 19 through a second quick-change connector 17 and a metal hose 18 in sequence, the other end of the bent section oil pipe 19 is connected with one end of a high temperature resistant transparent glass bent pipe 21 through a third quick-change connector 20, the other end of the high temperature resistant transparent glass bent pipe 21 is connected with the fluid storage device 1 through an oil outlet metal hose 22, a second four-way valve 23 and a hand valve 26 in sequence, and the second four-way valve 23 is connected with a second pressure transmitter 24 and a second temperature transmitter 25; the fluid storage device 1 comprises a heating device 28 and a cooling system 29 for controlling the temperature of the fluid, and a temperature transmitter 30 for measuring the temperature of the fluid; the horizontal pipe section oil pipe 15, the high-temperature-resistant transparent glass horizontal pipe section 16, the bent section oil pipe 19 and the high-temperature-resistant transparent glass bent pipe 21 are all parallel to the ground, and are lifted by 80cm away from the ground by taking No. 50 angle steel as a supporting bracket; the horizontal pipe section oil pipe 15 and the high-temperature-resistant transparent glass horizontal pipe section 16 are connected by a hoop 14, and the joint is sealed by a sealing material; the high-temperature-resistant transparent glass bent pipe 21 is connected with the bent section oil pipe 19 through a hoop 14, and the joint is sealed through a sealing material.
In order to prevent the hand valve 26 from forgetting to open, the fluid can still flow back to the fluid storage device 1, avoid the oil pressure too big, cause unsafe accident, the utility model discloses still include second check valve 27, second check valve 27 is parallelly connected with hand valve 26 to establish ties with second four-way valve 23 and fluid storage device 1.
The utility model discloses equipartition heating device 28 and cooling system 29 on fluid storage device 1, through special instrument and the control unit, set up and control the fluidic temperature in fluid storage device 1 the inside, make fluid storage device 1's fluid temperature keep unanimous with pipeline fluid all the time, are in even temperature field.
The utility model pumps oil (i.e. pumps the fluid in the fluid storage device 1) through the high-temperature gear pump 3; the fluid pressure is controlled through the first check valve 4, so that backflow caused by overlarge fluid pressure is prevented, and the high-temperature gear pump 3 is protected; the overflow flow is set through the proportional overflow valve 6, so that the control of the system is more precise; the flow of the fluid in the pipeline is controlled by a throttle valve 7; the flow transmitter 8 is used for testing the flow in the pipeline, so that the influence of the fluid on the oil pipe under different flows is simulated; the hand valve 26 is a switch for controlling the flow of fluid, facilitating replacement of the equipment parts.
The utility model is connected with a first pressure transmitter 10 and a first temperature transmitter 11 on a first four-way valve 9, which are used for measuring the pressure change and the temperature change in an oil inlet metal hose 12; the second four-way valve 23 is connected with a pressure transmitter 24 and a temperature transmitter 25 for measuring the pressure drop rule and the temperature change condition after oil outlet; the high-temperature resistant transparent glass bent pipe 21 and the bent section oil pipe 19 are used for simulating the fluid state (with a certain dog-leg degree) of the bent section in the horizontal well, and the high-temperature resistant transparent glass horizontal pipe section 16 and the horizontal pipe section 15 are used for simulating the fluid state (parallel to the ground) of the horizontal section in the horizontal well; the flow state of the fluid in different pipe sections can be visually displayed through the high-temperature resistant transparent glass horizontal pipe section 16 and the high-temperature resistant transparent glass bent pipe 21, and the flow pattern of the fluid can be observed; the whole flow field is convenient to observe and shoot.
The utility model discloses constitute a closed circuit, the total length of horizontal pipe section oil pipe 15 and high temperature resistant transparent glass horizontal pipe section 16 is 5000mm, and the external diameter of bending section oil pipe 19 and high temperature resistant transparent glass return bend 21 is 1447.8 mm.
Through the utility model discloses can realize under the different circumstances of factors such as the pressure of crude oil, velocity of flow, density, particulate matter, the crude oil flows the influence to oil pipe. Table 1 shows the experimental parameter adjustment ranges of pressure and flow rate of oil 1 and oil 2 during the experiment, where oil 1 and oil 2 have different densities, and the on-way pressure loss law and the influence of different flow rates on the oil pipe are measured at a constant temperature (e.g. 25 ℃). During the experiment: the fluid storage device 1 is filled with an oil product 1, tracer (colorant and fluorescent powder) is mixed, the variable frequency motor 2, the high temperature gear pump 3, the first check valve 4, the three-way valve 5, the proportional overflow valve 6, the throttle valve 7, the flow transmitter 8, the first four-way valve 9, the first pressure transmitter 10, the first temperature transmitter 11, the second four-way valve 23, the second pressure transmitter 24, the second temperature transmitter 25, the second check valve 27 and the hand valve 26 are started, and the experiment is started after the oil pressure is stable. The inlet pressure is controlled to be 0.1MPa by adjusting the first pressure transmitter 10, then the throttle valve 7 is adjusted to control the flow rate to be 0.01m/s, the flow states of fluids in the horizontal section oil pipe 15 and the bending section oil pipe 19 are observed through the high-temperature-resistant transparent glass horizontal section 16 and the high-temperature-resistant transparent glass bent pipe 21, the fluid pressure drop rule and the fluid temperature are measured through the second pressure transmitter 24 and the second temperature transmitter 25, and the constant temperature state is kept. Also according to the above method, the pressure and flow rate were adjusted according to the values in table 1, the flow rate, pressure and temperature were recorded, and the fluid flow state in the coiled tubing was observed and recorded.
The utility model discloses can realize the influence law of wax precipitation to fluid flow state, velocity of flow and loss of pressure. The oil is heated by a heating device 28 in the fluid storage device 1, the temperature is measured via a temperature transmitter 30, the temperature is controlled at the wax precipitation point, and then the effect of the crude oil wax precipitation on the fluid flow regime, flow rate and pressure loss is measured at 45 ℃ according to table 1.
TABLE 1 adjustment range of pressure and flow rate test parameters
Claims (3)
1. The utility model provides a measure interior fluid state's of oil pipe experiment platform which characterized in that: the high-temperature-resistant oil pump comprises a fluid storage device (1), a variable frequency motor (2), a high-temperature gear oil pump (3), a first check valve (4), a proportional overflow valve (6), a throttle valve (7), a flow transmitter (8), a horizontal pipe section oil pipe (15), a high-temperature-resistant transparent glass horizontal pipe section (16), a bending section oil pipe (19) and a high-temperature-resistant transparent glass bent pipe (21), wherein the fluid storage device (1) is connected with the high-temperature gear oil pump (3) through a pipeline, the high-temperature gear oil pump (3) is respectively connected with the variable frequency motor (2) and the first check valve (4), the first check valve (4) is connected with the proportional overflow valve (6) and the throttle valve (7) through a three-way valve (5), the throttle valve (7) is connected with the flow transmitter (8), and the flow transmitter (8) is connected with one end of the horizontal pipe section oil pipe (15) through a first four-way valve (9), a first pressure transmitter (10) and a first temperature transmitter (11) are connected on the first four-way valve (9), the other end of the horizontal pipe section oil pipe (15) is connected with one end of the high-temperature resistant transparent glass horizontal pipe section (16), the other end of the high-temperature resistant transparent glass horizontal pipe section (16) is connected with one end of the bending section oil pipe (19) through a second quick-change connector (17) and a metal hose (18) in sequence, the other end of the bending section oil pipe (19) is connected with one end of a high-temperature resistant transparent glass bent pipe (21) through a third quick-change connector (20), the other end of the high-temperature resistant transparent glass bent pipe (21) is connected with an oil outlet metal hose (22) in sequence, a second four-way valve (23) and a hand valve (26) are connected with the fluid storage device (1), and a second pressure transmitter (24) and a second temperature transmitter (25) are connected to the second four-way valve (23); the fluid storage device (1) comprises a heating device (28) and a cooling system (29) for controlling the temperature of the fluid, and a temperature transmitter (30) for measuring the temperature of the fluid; the horizontal pipe section oil pipe (15), the high-temperature-resistant transparent glass horizontal pipe section (16), the bent section oil pipe (19) and the high-temperature-resistant transparent glass bent pipe (21) are all parallel to the ground, and 50-degree angle steel is used as a supporting bracket to lift the supporting bracket to 80cm away from the ground; the horizontal pipe section oil pipe (15) and the high-temperature resistant transparent glass horizontal pipe section (16) are connected by a clamp (14), and the joint is sealed by a sealing material; the high-temperature-resistant transparent glass bent pipe (21) is connected with the bent section oil pipe (19) through a hoop (14), and the joint is sealed through a sealing material.
2. The experiment platform for measuring the fluid state in the oil pipe according to claim 1, wherein: the experimental platform further comprises a second one-way valve (27), wherein the second one-way valve (27) is connected with the hand valve (26) in parallel and is connected with a second four-way valve (23) and the fluid storage device (1) in series.
3. The experiment platform for measuring the fluid state in the oil pipe according to claim 1, wherein: the total length of the horizontal pipe section oil pipe (15) and the high-temperature resistant transparent glass horizontal pipe section (16) is 5000mm, and the outer diameters of the bent section oil pipe (19) and the high-temperature resistant transparent glass bent pipe (21) are 1447.8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920913359.6U CN210014897U (en) | 2019-06-18 | 2019-06-18 | Experimental platform for measuring fluid state in oil pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920913359.6U CN210014897U (en) | 2019-06-18 | 2019-06-18 | Experimental platform for measuring fluid state in oil pipe |
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| CN210014897U true CN210014897U (en) | 2020-02-04 |
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Cited By (2)
| 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 |
| CN111272385A (en) * | 2020-02-24 | 2020-06-12 | 中国农业大学 | Test device for visualizing strong transient cavitation flow in pipe |
-
2019
- 2019-06-18 CN CN201920913359.6U patent/CN210014897U/en active Active
Cited By (3)
| 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 |
| CN111272385A (en) * | 2020-02-24 | 2020-06-12 | 中国农业大学 | Test device for visualizing strong transient cavitation flow in pipe |
| CN111272385B (en) * | 2020-02-24 | 2021-06-29 | 中国农业大学 | Test device for visualizing strong transient cavitation flow in pipe |
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