CN113340378A - Finished oil interface detection method, detection device and computer readable storage medium - Google Patents
Finished oil interface detection method, detection device and computer readable storage medium Download PDFInfo
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- CN113340378A CN113340378A CN202010141644.8A CN202010141644A CN113340378A CN 113340378 A CN113340378 A CN 113340378A CN 202010141644 A CN202010141644 A CN 202010141644A CN 113340378 A CN113340378 A CN 113340378A
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- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
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Abstract
The disclosure provides a finished oil interface detection method, a detection device and a computer readable storage medium, and belongs to the technical field of finished oil pipeline transportation. According to the characteristic that the propagation speeds of ultrasonic signals in oil products with different densities are different, the ultrasonic signals are sent from a first position on an oil pipe to a second position on the oil pipe, the propagation speeds of the ultrasonic signals between the first position and the second position are determined, and the finished oil interface in the oil pipe section is determined through the obtained different propagation speed values of the ultrasonic signals. Compared with the prior art that the finished oil interface is determined by a density detection method or an optical interface detection method, the oil pipe section is not required to be punched and the probe is not arranged inwards for detection, the operation is simple, and the detection cost is low.
Description
Technical Field
The disclosure relates to the technical field of finished oil pipeline transportation, and in particular relates to a finished oil interface detection method, a detection device and a computer readable storage medium.
Background
In the process of conveying the finished oil, in order to fully utilize the conveying capacity of a pipeline, a long-distance oil conveying pipeline needs to convey various oil products such as gasoline, diesel oil and the like in sequence. In the conveying process, the intersection of oil products of different batches can generate an oil mixing interface, and in order to ensure the quality of the oil products, the oil mixing interface needs to be detected, the oil product batches are tracked, the oil mixing amount is predicted, and the oil mixing cutting is carried out on the oil mixing interface.
In the related technology, the detection of the oil mixing interface of the oil product transportation mainly adopts a density detection method and an optical interface detection method. The density detection method is to distinguish different oil products by measuring the density of the oil products, the density of the oil products at the oil-mixing interface of the finished oil is related to the density of the oil products with different components in the oil-mixing interface, and the oil-mixing interface is determined by observing the change of a density curve. The optical interface detection method is to identify the interface of the oil product by measuring the change of optical signals after the fluid absorbs the optical signals
No matter the density detection method or the optical interface detection method is adopted, the oil pipeline is required to be provided with holes to extend the densimeter probe or the optical fiber probe into the oil pipeline, the operation is complex, and the detection cost is high.
Disclosure of Invention
The embodiment of the disclosure provides a finished oil interface detection method, a detection device and a computer readable storage medium, which have the advantages of no need of drilling holes on an oil pipeline, simple operation and low detection cost, and the technical scheme is as follows:
in a first aspect, the present disclosure provides a method for detecting a product oil interface, including:
sending an ultrasonic signal from a first location on the tubing to a second location on the tubing;
determining a propagation velocity of the ultrasonic signal between the first location and the second location;
and determining a product oil interface according to the propagation speed.
Optionally, the determining a propagation velocity of the ultrasonic signal between the first location and the second location comprises:
determining a duration of an interval from the emission of the ultrasonic signal from the first location to the reception of the ultrasonic signal at the second location;
and determining the propagation speed according to the interval duration.
Optionally, before said determining the propagation velocity of the ultrasonic signal between the first location and the second location, the method further comprises:
transmitting an ultrasonic signal from the second location to the first location,
said determining a propagation velocity of said ultrasonic signal between said first location and said second location comprises:
determining a first interval duration from the emitting of the ultrasonic signal from the first location to the receiving of the ultrasonic signal at the second location;
determining a first propagation speed according to the first interval duration;
determining a second interval duration from the emission of the ultrasonic signal from the second location to the reception of the ultrasonic signal at the first location;
determining a second propagation speed according to the second interval duration;
and determining an average value of the first propagation speed and the second propagation speed, and taking the average value as the propagation speed of the ultrasonic wave signal.
Optionally, before the sending the ultrasonic signal from the first location on the oil pipe to the second location on the oil pipe, the method further comprises:
determining a detection oil pipe section of a finished oil interface on the oil pipe, wherein two ends of the detection oil pipe section are respectively the first position and the second position, the length of an upstream oil pipe of the detection oil pipe section is not less than ten times of the diameter of the oil pipe, and the length of a downstream oil pipe of the detection oil pipe section is not less than five times of the diameter of the oil pipe.
In a second aspect, the present disclosure provides a product oil interface detection device, including:
the ultrasonic signal transceiving module is used for sending an ultrasonic signal from a first position on the oil pipe to a second position on the oil pipe;
a velocity determination module to determine a propagation velocity of the ultrasonic signal between the first location and the second location;
and the interface determining module is used for determining the finished oil interface according to the propagation speed.
Optionally, the velocity determination module determines the propagation velocity of the ultrasonic signal between the first location and the second location by:
determining a duration of an interval from the emission of the ultrasonic signal from the first location to the reception of the ultrasonic signal at the second location;
and determining the propagation speed according to the interval duration.
Optionally, the ultrasonic signal transceiver module is further configured to transmit an ultrasonic signal from the second location to the first location;
the velocity determination module determines a propagation velocity of the ultrasonic signal between the first location and the second location by:
determining a first interval duration from the emitting of the ultrasonic signal from the first location to the receiving of the ultrasonic signal at the second location;
determining a first propagation speed according to the first interval duration;
determining a second interval duration from the emission of the ultrasonic signal from the second location to the reception of the ultrasonic signal at the first location;
determining a second propagation speed according to the second interval duration;
and determining an average value of the first propagation speed and the second propagation speed, and taking the average value as the propagation speed of the ultrasonic wave signal.
Optionally, the ultrasonic signal transceiver module comprises an ultrasonic generating sensor and an ultrasonic receiving sensor,
the finished oil interface detection device further comprises a guide rail, the guide rail is in a strip shape, the ultrasonic generating sensor and the ultrasonic receiving sensor are respectively installed on the guide rail, and the distance between the ultrasonic generating sensor and the ultrasonic receiving sensor along the guide rail is adjustable.
In a third aspect, the present disclosure provides a product oil interface detection apparatus, including:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to perform the aforementioned product oil interface detection method.
In a fourth aspect, the present disclosure provides a computer readable storage medium having stored thereon computer instructions that, when executed by a processor, implement the aforementioned product oil interface detection method.
The beneficial effects brought by the technical scheme provided by the embodiment of the disclosure at least comprise:
the propagation speed of the ultrasonic signal between the first position and the second position is determined by sending the ultrasonic signal from the first position on the oil pipe to the second position on the oil pipe, and the product oil interface in the oil pipe section can be determined by the different propagation speeds of the obtained ultrasonic signal due to the different propagation speeds of the ultrasonic signal in oil products of different densities. Compared with the prior art that the finished oil interface is determined by a density detection method or an optical interface detection method, the oil pipe section is not required to be punched and the probe is not arranged inwards for detection, the operation is simple, and the detection cost is low.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a flow chart of a method for detecting a product oil interface according to an embodiment of the present disclosure;
FIG. 2 is a flow chart of another method for detecting a product oil interface provided by an embodiment of the present disclosure;
FIG. 3 is a schematic diagram illustrating an operation principle of a product oil interface detection apparatus according to an embodiment of the present disclosure;
FIG. 4 is a graph of sound velocity provided by an embodiment of the present disclosure;
FIG. 5 is a flow chart of another method for detecting a cross section of a product oil provided by an embodiment of the present disclosure;
FIG. 6 is a schematic diagram illustrating the operation of another product oil interface detection system provided by the embodiments of the present disclosure;
FIG. 7 is a block diagram of a product oil detection device according to an embodiment of the present disclosure;
FIG. 8 is a schematic diagram illustrating a partial enlarged structure of a product oil interface detection system according to an embodiment of the present disclosure;
fig. 9 is a block diagram of a product oil interface detection device according to an embodiment of the present disclosure.
Detailed Description
To make the objects, technical solutions and advantages of the present disclosure more apparent, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.
Fig. 1 is a flowchart of a method for detecting a product oil interface according to an embodiment of the present disclosure. As shown in fig. 1, the method for detecting the interface of the product oil comprises the following steps:
step S11, sending an ultrasonic signal from a first location on the tubing to a second location on the tubing.
Step S12, determining a propagation velocity of the ultrasonic signal between the first position and the second position;
and step S13, determining a finished oil interface according to the propagation speed.
According to the method for detecting the finished oil interface, the ultrasonic signal is sent from the first position on the oil pipe to the second position on the oil pipe according to the characteristic that the ultrasonic signal has different propagation speeds in oil products with different densities, the propagation speed of the ultrasonic signal between the first position and the second position is determined, and the finished oil interface in the oil pipe section is determined according to the obtained different propagation speed values of the ultrasonic signal. Compared with the prior art that the finished oil interface is determined by a density detection method or an optical interface detection method, the oil pipe section is not required to be punched and the probe is not arranged inwards for detection, the operation is simple, and the detection cost is low.
FIG. 2 is a flow chart of another method for detecting a cross section of a product oil according to an embodiment of the present disclosure. As shown in fig. 2, the method for detecting the product oil interface includes:
and step S21, determining a detection oil pipe section of the finished oil interface on the oil pipe, wherein two ends of the detection oil pipe section are respectively a first position and a second position.
The detection oil pipe section can be a section of oil pipe for conveying oil.
In this step, the upstream tubing length of the test tubing section may be no less than ten times the diameter of the tubing, and the downstream tubing length of the test tubing section may be no less than five times the diameter of the tubing.
In the embodiment of the disclosure, if the oil conveyed in the oil pipe is not filled with the oil pipe, a gap is formed between the oil in the oil pipe and the inner wall or air bubbles are formed in the oil, and the air in the gap and the air bubbles can reflect ultrasonic waves to attenuate signals, so that the detection accuracy is reduced. Gaps or bubbles are easily formed at the inlet and the outlet of the oil pipe, one section of the oil pipe with enough distance from the inlet and the outlet is selected for detection, the area in the oil pipe, where the gaps and the bubbles are distributed, can be avoided, the oil liquid in the oil pipe section is detected to have stable flow state distribution, the oil pipe is always filled with the oil liquid, the ultrasonic signal is prevented from being reflected by the air in the oil pipe, and the detection precision of the oil product interface is improved.
Step S22, sending an ultrasonic signal from a first location on the tubing to a second location on the tubing.
Fig. 3 is a schematic diagram illustrating the operation principle of a product oil interface detection system according to an embodiment of the present disclosure, and as shown in fig. 3, the first position a and the second position b are located at two ends of the detection oil pipe section determined by the foregoing step S11.
In the embodiment of the present disclosure, the first position a is located upstream of the second position b, the first position a is an upstream position, and the relative positions of the first position a and the second position b on the oil pipe are only examples, and in other possible implementation manners, the relative positions of the first position a and the second position b may also be opposite, that is, the first position a is located downstream of the second position b, and the first position a is a downstream position, which is not limited by the present disclosure.
The upstream and the downstream are used for representing the relative position relation of any two positions on the oil pipe. For any two positions on the oil pipe, along the flowing direction of the oil, the position closer to the end where the oil flows in is an upstream position, and the position closer to the end where the oil flows out is a downstream position. For example, in the embodiment of the present disclosure, the oil in the oil pipe flows as shown by the arrow m, that is, in fig. 2, the oil in the oil pipe flows from left to right, the first position a is located at the left side of the second position b, that is, the first position a is located at the upstream of the second position b, and the first position a is an upstream position and the second position b is a downstream position.
The ultrasonic signal may be emitted by an ultrasonic generating sensor, and the ultrasonic signal may be received by an ultrasonic receiving sensor.
The ultrasonic signal may be transmitted by the ultrasonic-wave generating sensor 11 located at the first position a and received by the ultrasonic-wave receiving sensor 12 located at the second position b.
In step S23, an ultrasonic signal is transmitted from the second position to the first position.
Step S22 and step S23 may be performed simultaneously or sequentially, and the present disclosure does not limit the order of step S22 and step S23.
The ultrasonic signal may be transmitted by the ultrasonic-wave generating sensor 11 located at the second position b and received by the ultrasonic-wave receiving sensor 12 located at the first position a.
In step S24, a propagation velocity of the ultrasonic signal between the first location and the second location is determined.
The step S24 may include:
in step S25, a first interval duration from the emission of the ultrasonic signal from the first location to the reception of the ultrasonic signal at the second location is determined.
Step S241 determines a first propagation velocity according to the first interval duration.
In step S243, a second interval period from the emission of the ultrasonic signal from the second position to the reception of the ultrasonic signal at the first position is determined.
In step S244, a second propagation velocity is determined according to the second interval duration.
In step S245, an average value of the first propagation velocity and the second propagation velocity is determined, and the average value is used as the propagation velocity of the ultrasonic signal.
Illustratively, in the embodiment of the present disclosure, according to the step S21, the first position a and the second position b are determined, the first position a and the second position b are located on the outer wall of the oil pipe, and the first position a and the second position b are arranged at intervals along the extending direction of the oil pipe. The axial distance between the first position a and the second position b is D, the pipe diameter of the oil pipe is D, the ultrasonic signal sent from the first position a is finally received at the second position b through the reflection of the outer wall of the other side of the oil pipe, namely the propagation distance of the ultrasonic signal is D
And finally, determining a first propagation speed according to the propagation distance of the ultrasonic signal and the first interval time, determining a second propagation speed according to the propagation distance of the ultrasonic signal and the second interval time, and finally determining the average value of the first propagation speed and the second propagation speed, wherein the average value is used as the propagation speed of the ultrasonic signal between the first position a and the second position b of the ultrasonic signal, so that the detection accuracy is further improved.
And step S25, determining a finished oil interface according to the propagation speed.
In this step, the propagation velocity of the ultrasonic signal between the first position and the second position is determined by the aforementioned step S24 according to the characteristic that the propagation velocity of the ultrasonic signal is different in oil products of different densities. And determining the finished oil interface in the oil pipe section according to different sound velocity values of the obtained ultrasonic signals.
Illustratively, in embodiments of the present disclosure, the product oil conveyed in the tubing includes diesel and gasoline. Under normal temperature and pressure, the propagation speed of the ultrasonic signal in the diesel oil is about 1375-1390m/s, and the propagation speed in the gasoline is about 1175-1190 m/s. Fig. 4 is a graph of sound velocity provided by an embodiment of the present disclosure. As shown in fig. 4, in the time period from 11:00 to 13:00, the propagation speed of the ultrasonic wave is about 1380m/s, namely, diesel oil passing through the detection oil pipe section in the time period is determined; in the time period from 14:00 to 16:00, the propagation speed of the ultrasonic wave is about 1190m/s, namely the time period is determined to be gasoline passing through the detection oil pipe section; and in the time period from 13:00 to 14:00, the propagation speed of the ultrasonic wave is reduced from 1380m/s to 1190m/s, namely the time period is determined to be the mixture of diesel oil and gasoline through the detection oil pipe section.
FIG. 5 is a flow chart of another method for detecting a cross section of a product oil according to an embodiment of the present disclosure. As shown in fig. 5, the method for detecting the product oil interface includes:
and step S31, determining a detection oil pipe section of the finished oil interface on the oil pipe, wherein two ends of the detection oil pipe section are respectively a first position and a second position.
This step S31 may be the same as step S21 described previously and will not be described in detail here.
Step S32, sending an ultrasonic signal from a first location on the tubing to a second location on the tubing.
This step S32 may be the same as step S22 described previously and will not be described in detail here.
In step S33, a propagation velocity of the ultrasonic signal between the first location and the second location is determined.
The step S33 may include:
the duration of the interval from the emission of the ultrasonic signal from the first location to the reception of the ultrasonic signal at the second location is determined.
The propagation speed is determined according to the interval duration.
And step S34, determining a finished oil interface according to the propagation speed.
This step S34 may be the same as step S25 described previously and will not be described in detail here.
In the method shown in fig. 5, the finished oil interface can be determined only by arranging an ultrasonic wave generating sensor and an ultrasonic wave receiving sensor at the first position a and the second position b respectively, so that the detection cost can be reduced, and the efficiency can be improved.
Fig. 6 is a schematic diagram of an operation principle of another product oil interface detection system provided by an embodiment of the present disclosure, and as shown in fig. 6, in other possible implementations, the first position a and the second position b may also be located on the same circumference of the pipeline, that is, in an axial direction of the pipeline, a distance between the first position a and the second position b is 0. The linear distance between the first position a and the second position b can be equal to the pipe diameter d of the oil pipe, the ultrasonic signal emitted from the first position a is directly transmitted to the second position b along the diameter direction of the oil pipe, and the transmission distance of the ultrasonic signal is also equal to the pipe diameter d of the oil pipe. Thereafter, the finished oil interface may also be determined according to the aforementioned steps S22-S25 or S32-S34.
In the embodiment of the present disclosure, the first position a and the second position b are not limited as long as they can transmit and receive ultrasonic signals to and from each other.
Fig. 7 is a block diagram of a product oil detection device according to an embodiment of the present disclosure. As shown in fig. 7, an embodiment of the present disclosure further provides a product oil detection apparatus, which includes an ultrasonic signal transceiver module 1, a speed determination module 2, and an interface determination module 3. The ultrasonic signal transceiver module 1 is used for transmitting an ultrasonic signal from a first position on an oil pipe to a second position on the oil pipe. The velocity determination module 2 is configured to determine a propagation velocity of the ultrasonic signal between the first location and the second location. The interface determining module 3 is used for determining a product oil interface according to the propagation speed.
In the embodiment of the present disclosure, the ultrasonic signal transceiver module 1, the speed determination module 2, and the interface determination module 3 are all electrically connected.
The ultrasonic signal transceiving module 1 may be configured to perform at least one of the aforementioned steps S11, S22, S23.
In one possible implementation, the velocity determination module 2 may determine the propagation velocity of the ultrasonic signal between the first location and the second location in the following manner:
determining the interval duration from the sending of the ultrasonic signal from the first position to the receiving of the ultrasonic signal at the second position;
the propagation speed is determined according to the interval duration.
In another possible implementation, the ultrasound signal transceiver module 1 may also be used to transmit ultrasound signals from the second location to the first location. The velocity determination module 2 may determine the propagation velocity of the ultrasonic signal between the first location and the second location in the following manner:
firstly, determining a first interval duration from sending an ultrasonic signal from a first position to receiving the ultrasonic signal from a second position, and determining a first propagation speed according to the first interval duration;
then, determining a second interval duration from the sending of the ultrasonic signal from the second position to the receiving of the ultrasonic signal at the first position, and determining a second propagation speed according to the second interval duration;
finally, an average value of the first propagation velocity and the second propagation velocity is determined, and the average value is taken as the propagation velocity of the ultrasonic signal.
Referring to fig. 3, the axial distance between the first position a and the second position b is D, the pipe diameter of the oil pipe is D, the ultrasonic signal emitted from the first position a is finally received at the second position b by the reflection of the outer wall at the other side of the oil pipe, that is, the ultrasonic signal has a propagation distance of D
And finally, determining a first propagation speed according to the propagation distance of the ultrasonic signal and the first interval time, determining a second propagation speed according to the propagation distance of the ultrasonic signal and the second interval time, and finally determining the average value of the first propagation speed and the second propagation speed, wherein the average value is used as the propagation speed of the ultrasonic signal between the first position a and the second position b of the ultrasonic signal, so that the detection accuracy is further improved.
According to the characteristic that the propagation speeds of the ultrasonic signals in the oil products with different densities are different, the interface determining module 3 can determine the finished oil interface according to the propagation speeds. The interface determination module 3 may specifically determine the product oil interface according to the aforementioned step S25, which is not described in detail herein.
Fig. 8 is a schematic diagram of a partially enlarged structure of a product oil interface detection system according to an embodiment of the present disclosure. Referring to fig. 8, the ultrasonic signal transceiving module 1 may include an ultrasonic wave generating sensor 11 and an ultrasonic wave receiving sensor 12,
the finished oil interface detection device can also comprise a guide rail 4, the guide rail 4 is in a strip shape, the ultrasonic generating sensor 11 and the ultrasonic receiving sensor 12 are respectively arranged on the guide rail 4, and the distance between the ultrasonic generating sensor 11 and the ultrasonic receiving sensor 12 along the guide rail 4 is adjustable.
In the disclosed embodiment, the ultrasonic wave generating sensor 11 is used to transmit an ultrasonic wave signal, and the ultrasonic wave receiving sensor 12 is used to receive an ultrasonic wave signal. Since the ultrasonic wave directivity is good, after the ultrasonic wave generating sensor 11 and the ultrasonic wave receiving sensor 12 are mounted on the oil pipe, the ultrasonic wave receiving sensor 12 may not receive the ultrasonic wave signal emitted from the ultrasonic wave generating sensor 11, and it is necessary to adjust the distance between the ultrasonic wave generating sensor 11 and the ultrasonic wave receiving sensor 12. By arranging the strip-shaped guide rail 4 between the ultrasonic generating sensor 11 and the ultrasonic receiving sensor 12 and respectively installing the ultrasonic generating sensor 11 and the ultrasonic receiving sensor 12 on the guide rail 4, the ultrasonic generating sensor 11 and the ultrasonic receiving sensor 12 can move on the guide rail 4, so that the distance between the ultrasonic generating sensor 11 and the ultrasonic receiving sensor 12 along the guide rail 4 can be adjusted, and the ultrasonic receiving sensor 12 can accurately receive ultrasonic signals sent by the ultrasonic generating sensor 11.
As shown in fig. 8, two mounting seats 5 may be provided on the strip-shaped guide rail 4, and the ultrasonic wave generating sensor 11 and the ultrasonic wave receiving sensor 12 are respectively mounted on the two mounting seats 5. The guide rail 4 has a plurality of first bolt holes 41 provided at intervals in the longitudinal direction, and the two mounting seats 5 are mounted on the guide rail 4 by bolts, respectively. The mount 5 can be mounted to the rail 4 at different positions by fixing bolts into the first bolt holes 41 at different positions.
The mounting seat 5 may include a pressing plate 51, two side plates 52 connected to two opposite sides of the pressing plate 51, and fastening screws 53, wherein the pressing plate 51 and the two side plates 52 define a "U" shaped groove, and the pressing plate 51 has screw holes matching the fastening screws 53. When the finished oil interface detection device is assembled, the ultrasonic generation sensor 11 and the ultrasonic receiving sensor 12 are installed in a U-shaped groove of the distance adjusting mechanism 5, and then the ultrasonic generation sensor 11 and the ultrasonic receiving sensor 12 are tightly pressed on the outer wall of the oil pipe by screwing the fastening screw 53, so that the ultrasonic generation sensor 11 and the ultrasonic receiving sensor 12 are in good contact with the oil pipe, and the ultrasonic signal sending and receiving are facilitated.
One of the two side plates 52 has a mounting block 521 protruding from the plate surface, the mounting block 521 has a second bolt hole 5211 matching the first bolt hole 41, and the mounting base 5 is mounted on the rail 4 by bolts inserted into the first bolt hole 41 and the second bolt hole 5211. The distance between the ultrasonic wave generation sensor 11 and the ultrasonic wave receiving sensor 12 can be adjusted in the extending direction of the oil pipe only by adjusting the first bolt hole 41 corresponding to the second bolt hole 5211, the structure is simple, the assembly and the disassembly are convenient, and the assembly, the disassembly and the maintenance of the product oil interface detection device are convenient.
Illustratively, the finished oil interface detection device may further include a fixing band 6 for binding and fixing the mounting seat 5 and the oil pipe, and both ends of the fixing band 6 are connected by a lock catch. In the embodiment of the present disclosure, in order to better contact the sensors in the ultrasonic wave generating sensor 11 and the ultrasonic wave receiving sensor 12 with the oil pipe, the mounting base 5 is bound at the first position a and the second position b by using a plurality of fixing bands 6, so as to achieve a fastening connection, and improve the installation stability of the finished oil interface detection device.
For example, in the embodiment of the present disclosure, the fixing band 5 may be a steel band.
Optionally, the ultrasonic generating sensor 11 and the ultrasonic receiving sensor 12 are connected with the oil pipe through a coupling agent. In the embodiment of the present disclosure, since the oil pipe is usually a metal pipe, the outer surface of the oil pipe is oxidized, and there are many tiny pores between the contact surfaces of the ultrasonic wave generating sensor 11 and the ultrasonic wave receiving sensor 12 and the oil pipe, and the tiny amount of air in these pores affects the penetration of the ultrasonic wave signal. By filling a coupling agent between the oil pipe and the contact surfaces of the ultrasonic wave generating sensor 11 and the ultrasonic wave receiving sensor 12, reflection loss of the ultrasonic wave signal when it penetrates the wall of the oil pipe can be reduced.
Illustratively, the coupling agent refers to engine oil, transformer oil, grease, glycerin, a mixture of water glass (sodium silicate Na2SiO3), industrial glue, chemical paste, etc., as long as filling of micro-pores between contact surfaces can be achieved, which is not limited by the present disclosure.
Illustratively, in the embodiment of the present disclosure, in order to further reduce the influence of the micro-pores on the wall of the oil pipe on the ultrasonic signal, before the ultrasonic generation sensor 11 and the ultrasonic receiving sensor 12 are installed, the coupling agent may be ground and refilled on the outer surface of the oil pipe at the detection position. The contact area between the oil pipe and the ultrasonic generating sensor 11 and the contact area between the oil pipe and the ultrasonic receiving sensor 12 can be increased by grinding the outer surface of the oil pipe at the detection position, and the installation stability of the finished oil interface detection system is further improved.
Optionally, the product oil interface detection system further comprises a processor, a memory configured to store processor-executable instructions. Fig. 9 is a block diagram of a product oil interface detection apparatus provided in an embodiment of the present disclosure, where the apparatus 9100 may be a computer device. Referring to FIG. 8, the product oil interface detection system may include one or more of the following components: a processor 9101, a memory 9102, a communication interface 9103, and a bus 9104.
The processor 9101 includes one or more processing cores, and the processor 9101 executes various functional applications and information processing by running software programs and modules. The memory 9102 and the communication interface 9103 are coupled to the processor 9101 through a bus 9104. The memory 9102 may be used to store at least one instruction that the processor 9101 uses to execute in order to carry out various steps in the above-described method embodiments.
Further, the memory 9102 may be implemented by any type or combination of volatile or non-volatile storage devices, including, but not limited to: magnetic or optical disks, electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), Static Random Access Memory (SRAM), read-only memory (ROM), magnetic memory, flash memory, programmable read-only memory (PROM).
In an exemplary embodiment, a non-transitory computer readable storage medium, such as a memory, including instructions executable by a processor to perform a tubing design method for a completion string is also provided. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
The above description is intended to be exemplary only and not to limit the present disclosure, and any modification, equivalent replacement, or improvement made without departing from the spirit and scope of the present disclosure is to be considered as the same as the present disclosure.
Claims (10)
1. A finished oil interface detection method is characterized by comprising the following steps:
sending an ultrasonic signal from a first location on the tubing to a second location on the tubing;
determining a propagation velocity of the ultrasonic signal between the first location and the second location;
and determining a product oil interface according to the propagation speed.
2. The process of claim 1, wherein said determining a propagation velocity of said ultrasonic signal between said first location and said second location comprises:
determining a duration of an interval from the emission of the ultrasonic signal from the first location to the reception of the ultrasonic signal at the second location;
and determining the propagation speed according to the interval duration.
3. The product oil interface detection method of claim 1, wherein prior to the determining the propagation velocity of the ultrasonic signal between the first location and the second location, the method further comprises:
transmitting an ultrasonic signal from the second location to the first location,
said determining a propagation velocity of said ultrasonic signal between said first location and said second location comprises:
determining a first interval duration from the emitting of the ultrasonic signal from the first location to the receiving of the ultrasonic signal at the second location;
determining a first propagation speed according to the first interval duration;
determining a second interval duration from the emission of the ultrasonic signal from the second location to the reception of the ultrasonic signal at the first location;
determining a second propagation speed according to the second interval duration;
and determining an average value of the first propagation speed and the second propagation speed, and taking the average value as the propagation speed of the ultrasonic wave signal.
4. The product oil interface detection method of claim 1, wherein prior to the sending the ultrasonic signal from the first location on the oil pipe to the second location on the oil pipe, the method further comprises:
determining a detection oil pipe section of a finished oil interface on the oil pipe, wherein two ends of the detection oil pipe section are respectively the first position and the second position, the length of an upstream oil pipe of the detection oil pipe section is not less than ten times of the diameter of the oil pipe, and the length of a downstream oil pipe of the detection oil pipe section is not less than five times of the diameter of the oil pipe.
5. A product oil interface detection device, the detection device comprising:
the ultrasonic signal transceiving module (1) is used for sending an ultrasonic signal from a first position on an oil pipe to a second position on the oil pipe;
a velocity determination module (2) for determining a propagation velocity of the ultrasonic signal between the first location and the second location;
and the interface determining module (3) is used for determining the product oil interface according to the propagation speed.
6. A product oil interface detection device in accordance with claim 5, wherein the velocity determination module (2) determines the propagation velocity of the ultrasonic signal between the first and second positions by:
determining a duration of an interval from the emission of the ultrasonic signal from the first location to the reception of the ultrasonic signal at the second location;
and determining the propagation speed according to the interval duration.
7. A product oil interface detection device according to claim 6, wherein the ultrasonic signal transceiver module (1) is further configured to transmit an ultrasonic signal from the second location to the first location;
the velocity determination module (2) determines the propagation velocity of the ultrasonic signal between the first location and the second location by:
determining a first interval duration from the emitting of the ultrasonic signal from the first location to the receiving of the ultrasonic signal at the second location;
determining a first propagation speed according to the first interval duration;
determining a second interval duration from the emission of the ultrasonic signal from the second location to the reception of the ultrasonic signal at the first location;
determining a second propagation speed according to the second interval duration;
and determining an average value of the first propagation speed and the second propagation speed, and taking the average value as the propagation speed of the ultrasonic wave signal.
8. A product oil interface detection device according to claim 5, characterized in that the ultrasonic signal transceiver module (1) comprises an ultrasonic generating sensor (11) and an ultrasonic receiving sensor (12),
the finished oil interface detection device further comprises a guide rail (4), the guide rail (4) is in a strip shape, the ultrasonic generation sensor (11) and the ultrasonic receiving sensor (12) are respectively installed on the guide rail (4), and the distance between the ultrasonic generation sensor (11) and the ultrasonic receiving sensor (12) along the guide rail (4) is adjustable.
9. A product oil interface detection device, characterized in that, product oil interface detection device includes:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to perform the method of any of claims 1 to 4.
10. A computer readable storage medium having computer instructions stored thereon, wherein the computer instructions, when executed by a processor, implement the method of any of claims 1 to 4.
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