CN109902844B - Optimization information determination method and device for water injection system and storage medium - Google Patents
Optimization information determination method and device for water injection system and storage medium Download PDFInfo
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- CN109902844B CN109902844B CN201711282846.9A CN201711282846A CN109902844B CN 109902844 B CN109902844 B CN 109902844B CN 201711282846 A CN201711282846 A CN 201711282846A CN 109902844 B CN109902844 B CN 109902844B
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Abstract
The invention discloses a method, a device and a storage medium for determining optimization information of a water injection system, belonging to the technical field of oilfield exploitation, and the method comprises the following steps: acquiring a plurality of groups of water injection data, wherein the plurality of groups of water injection data comprise water injection data acquired in a historical acquisition record and water injection data acquired currently; determining working parameters of a water injection system based on a plurality of groups of water injection data, wherein the working parameters comprise a plurality of water injection efficiencies and a plurality of unit consumptions, and the unit consumption is the power consumption of the water injection system per unit cubic meter of water injected; and determining optimization information of the water injection system based on the plurality of water injection efficiencies and the plurality of unit consumptions, wherein the optimization information comprises information for describing optimized parts in the water injection system. According to the method and the device, the optimization information can be determined through a plurality of water injection efficiencies and a plurality of unit consumptions of the water injection system, so that the part needing upgrading optimization in the water injection system can be accurately determined subsequently according to the optimization information, and the accuracy and the efficiency of determining the optimized upgrading part of the water injection system are improved.
Description
Technical Field
The invention relates to the technical field of oilfield exploitation, in particular to a method and a device for determining optimization information of a water injection system and a storage medium.
Background
Water injection is an important exploitation mode in oil field development, and water with a quality meeting the requirements is injected into an oil layer from a water injection well by a water injection system to keep the pressure of the oil layer, so that the recovery rate of crude oil is improved, and the high yield and stable yield of an oil field are ensured. The water injection system of the oil field mainly comprises a motor, a water injection pump, a pipe network, a water distribution station, an injection increasing pump, a water distribution valve group, a water injection well and the like, and in the process of water injection treatment and the production of the water injection system, the water injection system is usually required to be continuously optimized and upgraded in order to reduce the production running cost and the water injection energy consumption. However, when optimizing the water injection system, it is not clear to the operator which part of the water injection system is to be optimized, e.g. whether the water injection system is to be optimized by adjusting the water injection pump pressure or by replacing the electric motor, and therefore it is often necessary to determine the location where the optimization is to be performed depending on the current operating state of the water injection system.
At present, when a part needing to be optimized and upgraded is determined, water injection efficiency can reflect water injection energy consumption, and the water injection efficiency has a fixed calculation formula, so that when a worker determines the part needing to be optimized and upgraded in a water injection system, water injection data can be collected through a terminal generally, the worker can calculate the current water injection efficiency according to the water injection data collected at present by the terminal, and then the part needing to be optimized and upgraded is analyzed and determined by increasing or decreasing the numerical value of the water injection data in the calculation formula.
However, when determining the optimized upgrading part, the worker can only analyze the water injection data currently collected by the terminal, so that the determined optimized upgrading part is not representative, and the determined optimized upgrading part is inaccurate.
Disclosure of Invention
The embodiment of the invention provides a method and a device for determining optimization information of a water injection system and a storage medium, which are used for solving the problems that the determination of an optimization part in the water injection system is inaccurate and the optimization efficiency of the water injection system is low in the prior art. The technical scheme is as follows:
in a first aspect, a method for determining optimization information of a water injection system is provided, where the method includes:
acquiring a plurality of groups of water injection data, wherein the water injection data comprise water injection data acquired in a historical acquisition record and water injection data acquired currently;
determining working parameters of a water injection system based on the plurality of groups of water injection data, wherein the working parameters comprise a plurality of water injection efficiencies and a plurality of unit consumptions, and the unit consumptions are the power consumption of the water injection system per unit cubic meter of water injected;
and determining optimization information of the water injection system based on the plurality of water injection efficiencies and the plurality of unit consumptions, wherein the optimization information comprises information for describing an optimized part in the water injection system.
Optionally, the determining optimization information of the water injection system based on the plurality of water injection efficiencies and the plurality of unit consumptions includes:
acquiring influence factors influencing water injection efficiency and influence factors influencing unit consumption from the multiple groups of water injection data;
determining a normal distribution graph of the operating parameter based on the plurality of waterflooding efficiencies and the plurality of unit consumptions;
and determining a fitting straight line of the working parameters based on the plurality of water injection efficiencies, the plurality of unit consumptions and the corresponding influence factors, wherein the fitting straight line is used for describing the relation between the working parameters and the corresponding influence factors.
Optionally, the determining a normal distribution graph of the operating parameter based on the plurality of waterflooding efficiencies and the plurality of unit consumptions includes:
determining a water injection efficiency variance and a water injection efficiency expectation based on the plurality of water injection efficiencies;
determining a normal distribution graph of water injection efficiency based on the water injection efficiency variance and the water injection efficiency expectation;
determining a unit consumption variance and a unit consumption expectation based on the plurality of unit consumptions;
determining a normal distribution of the unit consumption based on the unit consumption variance and the unit consumption expectation.
Optionally, the determining a fitted straight line of the working parameter based on the plurality of water injection efficiencies, the plurality of unit consumptions, and the corresponding influence factors includes:
respectively performing straight line fitting on the plurality of water injection efficiencies and each corresponding factor in the influencing factors influencing the water injection efficiency to obtain a plurality of water injection efficiency fitting straight lines;
and respectively performing linear fitting on the plurality of unit consumptions and each corresponding factor in the influencing factors influencing the unit consumption to obtain a plurality of fitted linear lines of the unit consumption.
Optionally, the influencing factors influencing the water injection efficiency include one or more of average oil pressure at a wellhead, water injection pump pressure, efficiency of a water injection pump unit, standard consumption and electricity consumption; and the influence factors influencing standard consumption comprise one or more of average oil pressure of a wellhead, water injection pump pressure, efficiency of a water injection pump unit, water injection efficiency, load rate of a motor and power consumption.
Optionally, after determining the optimization information of the water injection system, the method further includes:
acquiring a preset efficiency threshold and a preset unit consumption threshold;
and determining information for describing the optimized part in the water injection system from the optimization information based on the preset efficiency threshold and the preset unit consumption threshold.
In a second aspect, an optimization information determination apparatus for a water flooding system is provided, the apparatus comprising:
the system comprises a first acquisition module, a second acquisition module and a control module, wherein the first acquisition module is used for acquiring a plurality of groups of water injection data, and the plurality of groups of water injection data comprise water injection data acquired in a historical acquisition record and water injection data acquired currently;
the first determining module is used for determining working parameters of the water injection system based on the multiple groups of water injection data, wherein the working parameters comprise multiple water injection efficiencies and multiple unit consumptions, and the unit consumption is the power consumption of the water injection system per unit cubic meter of water injected;
and the second determining module is used for determining optimization information of the water injection system based on the plurality of water injection efficiencies and the plurality of unit consumptions, wherein the optimization information comprises information for describing an optimized part in the water injection system.
Optionally, the second determining module includes:
the acquisition submodule is used for acquiring influence factors influencing water injection efficiency and influence factors influencing unit consumption from the multiple groups of water injection data;
a first determining submodule, configured to determine a normal distribution map of the operating parameter based on the plurality of water injection efficiencies and the plurality of unit consumptions;
and the second determining submodule is used for determining a fitting straight line of the working parameters based on the water injection efficiencies, the unit consumptions and the corresponding influence factors, and the fitting straight line is used for describing the relation between the working parameters and the corresponding influence factors.
Optionally, the first determining sub-module is configured to:
determining a water injection efficiency variance and a water injection efficiency expectation based on the plurality of water injection efficiencies;
determining a normal distribution graph of water injection efficiency based on the water injection efficiency variance and the water injection efficiency expectation;
determining a unit consumption variance and a unit consumption expectation based on the plurality of unit consumptions;
determining a normal distribution of the unit consumption based on the unit consumption variance and the unit consumption expectation.
Optionally, the second determining submodule is configured to:
respectively performing straight line fitting on the plurality of water injection efficiencies and each corresponding factor in the influencing factors influencing the water injection efficiency to obtain a plurality of water injection efficiency fitting straight lines;
and respectively performing linear fitting on the plurality of unit consumptions and each corresponding factor in the influencing factors influencing the unit consumption to obtain a plurality of fitted linear lines of the unit consumption.
Optionally, the influencing factors influencing the water injection efficiency include one or more of average oil pressure at a wellhead, water injection pump pressure, efficiency of a water injection pump unit, standard consumption and electricity consumption; and the influence factors influencing standard consumption comprise one or more of average oil pressure of a wellhead, water injection pump pressure, efficiency of a water injection pump unit, water injection efficiency, load rate of a motor and power consumption.
Optionally, the apparatus further comprises:
the second acquisition module is used for acquiring a preset efficiency threshold and a preset unit consumption threshold;
and the third determining module is used for determining information for describing the optimized part in the water injection system from the optimized information based on the preset efficiency threshold and the preset unit consumption threshold.
In a third aspect, a computer-readable storage medium is provided, on which a computer program is stored, which program, when being executed by a processor, carries out the steps of any of the methods provided in the first aspect above.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
in the embodiment of the invention, the working parameters of the water injection system can be determined according to the water injection data in the historical record and the currently acquired water injection data, the working parameters of the water injection system comprise a plurality of water injection efficiencies and a plurality of unit consumptions, and the optimization information of the water injection system is determined according to the plurality of unit consumptions and the plurality of water injection efficiencies. The water injection efficiency and the unit consumption can reflect the energy consumption and the operation condition of the water injection system in different periods, so that the optimization information of the water injection system determined according to the water injection efficiency and the unit consumption is accurate optimization information, and subsequent workers can accurately analyze and determine the part of the water injection system needing upgrading optimization according to the optimization information, thereby improving the accuracy and the efficiency of determining the optimized and upgraded part of the water injection system.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a flowchart of an optimization information determination method for a water injection system according to an embodiment of the present invention;
FIG. 2A is a flow chart of another method for determining optimization information of a water injection system according to an embodiment of the present invention;
FIG. 2B is a schematic diagram of a normal distribution of unit consumption according to an embodiment of the present invention;
FIG. 2C is a schematic diagram of a fitted straight line between unit consumption and water injection pump pressure according to an embodiment of the present invention;
FIG. 2D is a schematic diagram of a fitted straight line between water injection efficiency and standard loss according to an embodiment of the present invention;
FIG. 3A is a schematic structural diagram of an optimization information determination apparatus for a water injection system according to an embodiment of the present invention;
fig. 3B is a schematic structural diagram of a second determining module according to an embodiment of the present invention;
FIG. 3C is a schematic structural diagram of an optimization information determination apparatus of another water filling system according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Before explaining the embodiments of the present invention in detail, an application scenario related to the embodiments of the present invention is explained.
At present, most of water injection systems of oil fields are built along with the early construction of the oil fields, the operation time is long, the abrasion is serious, and the pump efficiency is low, so that the water injection efficiency of the water injection system is low, the unit consumption is high, and the crude oil yield of the oil fields is low. Therefore, in order to increase crude oil production, the water injection system needs to be optimally upgraded. However, at present, a worker can analyze and determine a part needing to be optimized in a water injection system only through a calculation formula of water injection efficiency and water injection data currently acquired by a terminal, so that the determined part for optimizing and upgrading does not have representativeness, and the determined part for optimizing and upgrading is inaccurate.
Based on the scene, the embodiment of the invention provides the optimization information determination method of the water injection system, which can improve the accuracy of determining the optimized and upgraded part in the water injection system, thereby improving the water injection efficiency and reducing the unit consumption.
After describing the application scenario of the embodiment of the present invention, the method for determining optimization information of a water injection system according to the embodiment of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 is a flowchart illustrating a method for determining optimization information of a water filling system according to an exemplary embodiment, and referring to fig. 1, the method may be applied in a terminal, and the method specifically includes the following steps.
Step 101: and acquiring a plurality of groups of water injection data, wherein the groups of water injection data comprise water injection data acquired in the historical acquisition records and water injection data acquired currently.
Step 102: and determining working parameters of the water injection system based on the plurality of groups of water injection data, wherein the working parameters comprise a plurality of water injection efficiencies and a plurality of unit consumptions, and the unit consumption is the power consumption of the water injection system per unit cubic meter of water injected.
Step 103: and determining optimization information of the water injection system based on the plurality of water injection efficiencies and the plurality of unit consumptions, wherein the optimization information comprises information for describing the optimized part in the water injection system.
In the embodiment of the invention, the working parameters of the water injection system can be determined according to the water injection data in the historical record and the currently acquired water injection data, the working parameters of the water injection system comprise a plurality of water injection efficiencies and a plurality of unit consumptions, and the optimization information of the water injection system is determined according to the plurality of unit consumptions and the plurality of water injection efficiencies. The water injection efficiency and the unit consumption can reflect the energy consumption and the operation condition of the water injection system in different periods, so that the optimization information of the water injection system determined according to the water injection efficiency and the unit consumption is accurate optimization information, and subsequent workers can accurately analyze and determine the part of the water injection system needing upgrading optimization according to the optimization information, thereby improving the accuracy and the efficiency of determining the optimized and upgraded part of the water injection system.
Optionally, determining optimization information of the water injection system based on the plurality of water injection efficiencies and the plurality of unit consumptions comprises:
acquiring influence factors influencing water injection efficiency and influence factors influencing unit consumption from the multiple groups of water injection data;
determining a normal distribution graph of the operating parameter based on the plurality of waterflooding efficiencies and the plurality of unit consumptions;
and determining a fitting straight line of the working parameter based on the plurality of water injection efficiencies, the plurality of unit consumptions and the corresponding influence factors, wherein the fitting straight line is used for describing the relation between the working parameter and the corresponding influence factors.
Optionally, determining a normal distribution graph of the operating parameter based on the plurality of waterflooding efficiencies and the plurality of unit consumptions comprises:
determining a water injection efficiency variance and a water injection efficiency expectation based on the plurality of water injection efficiencies;
determining a normal distribution graph of the water injection efficiency based on the water injection efficiency variance and the water injection efficiency expectation;
determining a unit consumption variance and a unit consumption expectation based on the plurality of unit consumptions;
based on the variance of the specific consumption and the expectation of the specific consumption, a normal distribution diagram of the specific consumption is determined.
Optionally, determining a fitting straight line of the working parameter based on the plurality of water injection efficiencies, the plurality of unit consumptions, and the corresponding influence factors, includes:
respectively performing straight line fitting on the plurality of water injection efficiencies and each corresponding factor in the influencing factors influencing the water injection efficiency to obtain a plurality of water injection efficiency fitting straight lines;
and respectively performing linear fitting on the plurality of unit consumptions and each corresponding factor in the influencing factors influencing the unit consumption to obtain a plurality of fitted linear lines of the unit consumption.
Optionally, the influencing factors influencing the water injection efficiency include one or more of average oil pressure at a wellhead, pressure of a water injection pump, efficiency of a water injection pump unit, standard consumption and power consumption; the influence factors influencing standard consumption comprise one or more of average oil pressure of a wellhead, water injection pump pressure, efficiency of a water injection pump unit, water injection efficiency, load rate of a motor and power consumption.
Optionally, after determining the optimization information of the water filling system, the method further includes:
acquiring a preset efficiency threshold and a preset unit consumption threshold;
and determining information for describing the optimized part in the water injection system from the optimization information based on the preset efficiency threshold and the preset unit consumption threshold.
All the above optional technical solutions can be combined arbitrarily to form an optional embodiment of the present invention, which is not described in detail herein.
Fig. 2A is a flowchart illustrating a method for determining optimization information of a water filling system according to an exemplary embodiment, and the embodiment of the present invention will be explained in detail with reference to fig. 2A, and with reference to fig. 2A, the method specifically includes the following steps.
Step 201: the terminal acquires a plurality of groups of water injection data, wherein the water injection data comprise water injection data acquired in a historical acquisition record and water injection data acquired currently.
The water injection system of the oil field mainly comprises a motor, a water injection pump, an adjusting valve, a water injection pipe network, a water distribution room, a water injection well and the like, wherein the energy of the water injection system can be consumed at the motor, the water injection pump, the adjusting valve, the water injection pipe network, the water injection well and the like. That is, the water injection efficiency and the unit consumption of the water injection system are related to the motor, the water injection pump, the regulating valve, the water injection pipe network, the water injection well and the like, so that when the terminal acquires the water injection data of the water injection system, the terminal can acquire data such as the water injection pump pressure, the water injection well flow rate, the water injection well pressure, the motor power consumption and the like.
The terminal can collect a group of water injection data every specified time and store the water injection data. It should be noted that the specified time period may be set in advance, for example, 1 hour, 3 hours, 24 hours, and the like.
In addition, detection equipment can be arranged at each part of the water injection system, and the terminal can detect water injection data through the detection equipment arranged in the water injection system, wherein the detection equipment can comprise equipment provided with sensors such as a pressure sensor and the like, a voltmeter, an ammeter and the like.
Step 202: and the terminal determines working parameters of the water injection system based on the plurality of groups of water injection data, wherein the working parameters comprise a plurality of water injection efficiencies and a plurality of unit consumptions, and the unit consumption is the power consumption of the water injection system per unit cubic meter of water injection.
Wherein, under normal conditions, the calculation formula of the water injection efficiency is eta ═ etae*ηp*ηnEta is water injection efficiency etapFor efficiency of water injection pump etanTo the efficiency of the pipe network, ηeTo the motor efficiency. According to the calculation formula of the water injection efficiency, the water injection efficiency is the product of the water injection pump efficiency, the pipe network efficiency and the motor efficiency, therefore, the terminal can determine the water injection pump efficiency, the pipe network efficiency and the motor efficiency of each group of water injection data according to a preset efficiency algorithm according to each group of water injection data in the multiple groups of water injection data, and then multiplies the water injection pump efficiency, the pipe network efficiency and the motor efficiency to obtain the water injection efficiency corresponding to each group of water injection data.
In addition, the unit consumption is the power consumption of the water injection system per unit cubic meter of water injection, so the terminal can determine the power consumption of the motor and the flow rate of the water injection well in each group of water injection data, and divide the power consumption of the motor by the flow rate of the water injection well, so that the unit consumption corresponding to each group of water injection data can be obtained.
Further, after the unit consumption of each group of water injection data is determined, the terminal can continuously determine the standard consumption of each group of water injection data, the standard consumption is the unit cubic meter of water injected into the water injection system, and the power consumption is increased in unit megapascal pressure.
And the terminal can determine the pressure of the water injection well from each group of water injection data, and divides the unit consumption by the pressure of the water injection well to obtain the standard consumption corresponding to each group of water injection data.
It should be noted that the terminal may determine the water injection efficiency, the unit consumption, and the standard consumption corresponding to a group of water injection data after each group of water injection efficiency is obtained, or may determine the water injection efficiency, the unit consumption, and the standard consumption corresponding to each group of water injection data after a plurality of groups of water injection data are obtained.
Step 203: and the terminal determines optimization information of the water injection system based on the plurality of water injection efficiencies and the plurality of unit consumptions, wherein the optimization information comprises information for describing the optimized part in the water injection system.
Because the optimization information of the water injection system comprises information for describing the optimized part in the water injection system, and the energy consumption of the water injection system can be embodied by the water injection efficiency and the unit consumption of the water injection system, the part of the water injection system for optimization and upgrade is the part capable of increasing the water injection efficiency of the water injection system and reducing the unit consumption. Therefore, in order to accurately determine the optimization information, the terminal may determine the optimization information of the water-filling system based on a plurality of water-filling efficiencies and a plurality of unit consumptions. And the operation of the terminal for determining the optimization information of the water filling system based on the plurality of water filling efficiencies and the plurality of unit consumptions may be: acquiring influence factors influencing water injection efficiency and influence factors influencing unit consumption from the multiple groups of water injection data; determining a normal distribution graph of the working parameters based on the plurality of water injection efficiencies and the plurality of unit consumptions; and determining a fitting straight line of the working parameter based on the plurality of water injection efficiencies, the plurality of unit consumptions and the corresponding influence factors, wherein the fitting straight line is used for describing the relation between the working parameter and the corresponding influence factors.
Wherein, the normal distribution diagram can clearly reflect the unit consumption of the water injection efficiency or the probability distribution of the water injection efficiency. Therefore, the terminal can determine the normal distribution graph of the working parameters through a statistical algorithm based on the plurality of water filling efficiencies and the plurality of unit consumptions. The operation of determining the normal distribution diagram of the working parameters by the terminal based on a plurality of water injection efficiencies and a plurality of unit consumptions may be: determining a water injection efficiency variance and a water injection efficiency expectation based on the plurality of water injection efficiencies; determining a normal distribution graph of the water injection efficiency based on the water injection efficiency variance and the water injection efficiency expectation; determining a unit consumption variance and a unit consumption expectation based on the plurality of unit consumptions; based on the variance of the specific consumption and the expectation of the specific consumption, a normal distribution diagram of the specific consumption is determined.
For example, when the terminal determines that the unit consumption variance is 0.01628 and the unit consumption is expected to be 6.79 based on a plurality of unit consumptions, the terminal may determine that the unit consumption of the water injection system follows a normal distribution with the unit consumption variance of 0.01628 and the unit consumption expected to be 6.79, and determine the normal distribution as shown in fig. 2B.
In addition, the factors influencing the water injection efficiency include not only the factors involved in the formula for calculating the water injection efficiency, but also other factors, for example, the factors influencing the water injection efficiency may include one or more of wellhead average oil pressure, water injection pump unit efficiency, standard consumption, electricity consumption and the like. Similarly, the unit consumption is influenced by not only the factors involved in the formula for calculating the unit consumption, but also other factors, for example, the influencing factors influencing the standard consumption may include one or more of average oil pressure at a well head, water injection pump pressure, efficiency of a water injection pump unit, water injection efficiency, load rate of a motor, electricity consumption and the like. Therefore, in order to improve the accuracy of subsequently determining the optimized upgrading part in the water injection system, the terminal can also determine the fitting straight line of the working parameters based on a plurality of water injection efficiencies, a plurality of unit consumptions and corresponding influence factors.
The operation of determining the fitting straight line of the working parameters by the terminal based on a plurality of water injection efficiencies, a plurality of unit consumptions and corresponding influence factors can be as follows: respectively performing straight line fitting on each factor corresponding to the water injection efficiency and the influencing factors influencing the water injection efficiency to obtain a plurality of water injection efficiency fitting straight lines; and respectively performing linear fitting on the plurality of unit consumptions and each corresponding factor in the influencing factors influencing the unit consumption to obtain a plurality of fitted linear lines of the unit consumption.
It should be noted that the terminal may obtain a plurality of unit consumption fitted straight lines and a plurality of water injection efficiency fitted straight lines by professional numerical value fitting application fitting, or may obtain a plurality of unit consumption fitted straight lines and a plurality of water injection efficiency fitted straight lines by graph processing application fitting.
When the terminal respectively performs linear fitting on the multiple water injection efficiencies and each corresponding factor in the influencing factors influencing the water injection efficiency, a coordinate system can be established by taking the water injection efficiency as an abscissa and the influencing factors as an ordinate, a coordinate point corresponding to each water injection efficiency and the corresponding influencing factor in the coordinate system is determined, and then linear fitting of the water injection efficiency is performed according to the multiple coordinate points of the coordinate system. Similarly, when the terminal respectively performs linear fitting on the plurality of unit consumptions and each corresponding factor in the influencing factors influencing the unit consumption, a coordinate system can be established by taking the unit consumption as an abscissa and the influencing factors as an ordinate, a coordinate point corresponding to each unit consumption in the plurality of unit consumptions and the corresponding influencing factor in the coordinate system is determined, and then linear fitting of the unit consumption is performed according to the plurality of coordinate points of the coordinate system.
It should be noted that, in the embodiment of the present invention, the coordinate system established by the terminal may be a planar rectangular coordinate system, or may be another coordinate system, such as a polar coordinate system. In addition, the terminal can establish a coordinate system by taking the water injection efficiency as an abscissa and the influencing factors as an ordinate, and can also establish a coordinate system by taking the water injection efficiency as an ordinate and the influencing factors as an abscissa. Similarly, the terminal may establish a coordinate system with the unit consumption as an abscissa and the influencing factor as an ordinate, or may establish a coordinate system with the unit consumption as an ordinate and the influencing factor as an abscissa.
For example, when the influencing factor affecting the unit consumption includes a water injection pump pressure, referring to fig. 2C, the terminal may establish a planar rectangular coordinate system, and use the unit consumption as a vertical coordinate and the water injection pump pressure as a horizontal coordinate, where the unit consumptions are 2.5kw/h (kw/h), 4kw/h, 6.1kw/h, 6.5kw/h, 8kw/h, 10.5kw/h, and the like, respectively, and the corresponding water injection pump pressures are 10MPa (megapascals), 10MPa, 15MPa, 20MPa, 25MPa, and the like, respectively. And determining a coordinate point corresponding to each unit consumption and the corresponding water injection pump pressure in the plane rectangular coordinate system, and then performing linear fitting of the unit consumption according to a plurality of coordinate points of the coordinate system. When the influencing factors influencing the water injection efficiency include the standard consumption, referring to fig. 2D, the terminal may establish a rectangular plane coordinate system, and use the standard consumption as a vertical coordinate and the water injection efficiency as a horizontal coordinate, where the plurality of water injection efficiencies are respectively 30%, 40%, 50, 60%, 70%, and the like, and the corresponding plurality of standard consumptions are respectively 0.7, 0.5, 0.45, 0.4, 0.31, and the like. And then, determining each water injection efficiency and a corresponding coordinate point of the corresponding standard loss in the plane rectangular coordinate system, and then performing straight line fitting of the water injection efficiency according to a plurality of coordinate points of the coordinate system.
Further, when the water injection system is deployed, the water injection efficiency and the water injection unit consumption of the water injection system generally have a set value which is expected to be reached, that is, a preset efficiency threshold and a preset unit consumption threshold are preset in the terminal. Therefore, in a normal situation, after determining the optimization information of the water injection system, the terminal may further obtain a preset efficiency threshold and a preset unit consumption threshold, and determine information describing a part to be optimized in the water injection system from the optimization information based on the preset efficiency threshold and the preset unit consumption threshold.
It should be noted that the preset efficiency threshold may be 51%, 75%, etc., and the preset specific consumption threshold may be 5kw/h, 6kw/h, etc.
And the terminal determines information that the unit consumption is less than the preset unit consumption threshold value and information that the water injection efficiency is less than the preset efficiency threshold value as information for describing the optimized part in the water injection system based on the preset efficiency threshold value and the preset unit consumption threshold value.
Specifically, when the optimization information is a plurality of fitting straight lines of unit consumption, a coordinate point with unit consumption smaller than a preset unit consumption threshold value in each fitting straight line of the unit consumption is determined, and a value of an influence factor corresponding to the coordinate point is determined as information for describing an optimized part in the water injection system. Similarly, when the optimization information is a plurality of fitting straight lines of the water injection efficiency, determining a coordinate point of which the water injection efficiency of each fitting straight line of the water injection system is greater than a preset efficiency threshold, and determining the value of the influence factor corresponding to the coordinate point as the information for describing the optimized part in the water injection system.
In addition, in the embodiment of the present invention, the terminal may determine, from the optimization information, information for describing a location to be optimized in the water injection system based on the preset efficiency threshold and the preset unit consumption threshold, or the staff may determine, from the optimization information, information for describing a location to be optimized in the water injection system according to the optimization information displayed by the terminal.
And after the terminal determines the information for describing the optimized part in the water injection system from the optimization information, the terminal can also generate an optimized upgrade guide map of the water injection system according to a preset guide map template, and the optimized upgrade guide map is stored so as to generate an upgrade record for staff to check at any time. Or, the staff draws an optimized upgrade guide map of the water injection system according to the analysis of the optimized information, and stores the optimized upgrade guide map through the terminal to generate an upgrade record for the staff to check at any time.
The terminal can store the optimization upgrading guide map determined each time, so that the terminal can compare the optimization information determined this time with the optimization information optimized by the last upgrading, if the parts optimized twice are the same, the terminal can generate recommendation information when the optimization upgrading of the water injection system is performed next time, and recommendation workers can preferentially upgrade the parts.
In the embodiment of the invention, the terminal can determine the working parameters of the water injection system according to the water injection data in the historical record and the currently acquired water injection data, the working parameters of the water injection system comprise a plurality of water injection efficiencies and a plurality of unit consumptions, and the optimization information of the water injection system is determined according to the plurality of unit consumptions and the plurality of water injection efficiencies. The water injection efficiency and the unit consumption can reflect the energy consumption and the operation condition of the water injection system in different periods, and the optimized and upgraded part of the water injection system can increase the water injection efficiency of the water injection system and reduce the unit consumption.
After explaining the method for determining optimization information of a water injection system provided by the embodiment of the present invention, a device for determining optimization information of a water injection system provided by the present invention is introduced next.
Fig. 3A is a block diagram of an optimization information determination apparatus of a water filling system according to an embodiment of the present invention, and referring to fig. 3A, the optimization information determination apparatus of the water filling system may be implemented by software, hardware, or a combination of the two. The device includes: a first obtaining module 301, a first determining module 302 and a second determining module 303.
The first acquisition module 301 is configured to acquire multiple sets of water injection data, where the multiple sets of water injection data include water injection data acquired in a historical acquisition record and water injection data currently acquired;
a first determining module 302, configured to determine working parameters of a water injection system based on the multiple sets of water injection data, where the working parameters include multiple water injection efficiencies and multiple unit consumptions, and the unit consumption is a power consumption of the water injection system per unit cubic meter of water injected;
a second determining module 303, configured to determine optimization information of the water injection system based on the plurality of water injection efficiencies and the plurality of unit consumptions, where the optimization information includes information describing a location in the water injection system where optimization is performed.
Optionally, referring to fig. 3B, the second determining module 303 includes:
an obtaining submodule 3031, configured to obtain, from the multiple sets of water injection data, an influence factor that affects water injection efficiency and an influence factor that affects unit consumption;
a first determining submodule 3032, configured to determine a normal distribution map of the operating parameter based on the plurality of water injection efficiencies and the plurality of unit consumptions;
a second determining submodule 3033, configured to determine a fitted straight line of the working parameter based on the plurality of water injection efficiencies, the plurality of unit consumptions, and the corresponding influence factors, where the fitted straight line is used to describe a relationship between the working parameter and the corresponding influence factors.
Optionally, the first determining submodule 3032 is configured to:
determining a water injection efficiency variance and a water injection efficiency expectation based on the plurality of water injection efficiencies;
determining a normal distribution graph of water injection efficiency based on the water injection efficiency variance and the water injection efficiency expectation;
determining a unit consumption variance and a unit consumption expectation based on the plurality of unit consumptions;
determining a normal distribution of the unit consumption based on the unit consumption variance and the unit consumption expectation.
Optionally, the second determining submodule 3033 is configured to:
respectively performing straight line fitting on the plurality of water injection efficiencies and each corresponding factor in the influencing factors influencing the water injection efficiency to obtain a plurality of water injection efficiency fitting straight lines;
and respectively performing linear fitting on the plurality of unit consumptions and each corresponding factor in the influencing factors influencing the unit consumption to obtain a plurality of fitted linear lines of the unit consumption.
Optionally, the influencing factors influencing the water injection efficiency include one or more of average oil pressure at a wellhead, water injection pump pressure, efficiency of a water injection pump unit, standard consumption and electricity consumption; and the influence factors influencing standard consumption comprise one or more of average oil pressure of a wellhead, water injection pump pressure, efficiency of a water injection pump unit, water injection efficiency, load rate of a motor and power consumption.
Optionally, referring to fig. 3C, the apparatus further comprises:
a second obtaining module 304, configured to obtain a preset efficiency threshold and a preset unit consumption threshold;
a third determining module 305, configured to determine, from the optimization information, information describing a location to be optimized in the water injection system based on the preset efficiency threshold and the preset unit consumption threshold.
In summary, in the embodiment of the present invention, the terminal may determine the operating parameters of the water injection system according to the water injection data in the history record and the currently acquired water injection data, where the operating parameters of the water injection system include a plurality of water injection efficiencies and a plurality of unit consumptions, and determine the optimization information of the water injection system according to the plurality of unit consumptions and the plurality of water injection efficiencies. The water injection efficiency and the unit consumption can reflect the energy consumption and the operation condition of the water injection system in different periods, and the optimized and upgraded part of the water injection system can increase the water injection efficiency of the water injection system and reduce the unit consumption.
It should be noted that: in the optimization information determining apparatus for a water injection system provided in the foregoing embodiment, when determining the optimization information of the water injection system, only the division of the function modules is illustrated, and in practical applications, the function distribution may be completed by different function modules according to needs, that is, the internal structure of the apparatus is divided into different function modules, so as to complete all or part of the functions described above. In addition, the optimization information determination apparatus for a water injection system and the optimization information determination method for a water injection system provided in the above embodiments belong to the same concept, and specific implementation processes thereof are detailed in the method embodiments and are not described herein again.
Fig. 4 shows a block diagram of a terminal 400 according to an exemplary embodiment of the present invention. The terminal 400 may be: a smart phone, a tablet computer, an MP3 player (Moving Picture Experts Group Audio Layer III, motion Picture Experts compression standard Audio Layer 3), an MP4 player (Moving Picture Experts Group Audio Layer IV, motion Picture Experts compression standard Audio Layer 4), a notebook computer, or a desktop computer. The terminal 400 may also be referred to by other names such as user equipment, portable terminal, laptop terminal, desktop terminal, etc.
Generally, the terminal 400 includes: a processor 401 and a memory 402.
In some embodiments, the terminal 400 may further optionally include: a peripheral interface 403 and at least one peripheral. The processor 401, memory 402 and peripheral interface 403 may be connected by bus or signal lines. Each peripheral may be connected to the peripheral interface 403 via a bus, signal line, or circuit board. Specifically, the peripheral device includes: at least one of radio frequency circuitry 404, touch screen display 405, camera 406, audio circuitry 407, positioning components 408, and power supply 409.
The peripheral interface 403 may be used to connect at least one peripheral related to I/O (Input/Output) to the processor 401 and the memory 402. In some embodiments, processor 401, memory 402, and peripheral interface 403 are integrated on the same chip or circuit board; in some other embodiments, any one or two of the processor 401, the memory 402 and the peripheral interface 403 may be implemented on a separate chip or circuit board, which is not limited by this embodiment.
The Radio Frequency circuit 404 is used for receiving and transmitting RF (Radio Frequency) signals, also called electromagnetic signals. The radio frequency circuitry 404 communicates with communication networks and other communication devices via electromagnetic signals. The rf circuit 404 converts an electrical signal into an electromagnetic signal to transmit, or converts a received electromagnetic signal into an electrical signal. Optionally, the radio frequency circuit 404 includes: an antenna system, an RF transceiver, one or more amplifiers, a tuner, an oscillator, a digital signal processor, a codec chipset, a subscriber identity module card, and so forth. The radio frequency circuitry 404 may communicate with other terminals via at least one wireless communication protocol. The wireless communication protocols include, but are not limited to: the world wide web, metropolitan area networks, intranets, generations of mobile communication networks (2G, 3G, 4G, and 5G), Wireless local area networks, and/or WiFi (Wireless Fidelity) networks. In some embodiments, the rf circuit 404 may further include NFC (Near Field Communication) related circuits, which are not limited in this application.
The display screen 405 is used to display a UI (user interface). The UI may include graphics, text, icons, video, and any combination thereof. When the display screen 405 is a touch display screen, the display screen 405 also has the ability to capture touch signals on or over the surface of the display screen 405. The touch signal may be input to the processor 401 as a control signal for processing. At this point, the display screen 405 may also be used to provide virtual buttons and/or a virtual keyboard, also referred to as soft buttons and/or a soft keyboard. In some embodiments, the display screen 405 may be one, providing the front panel of the terminal 400; in other embodiments, the display screen 405 may be at least two, respectively disposed on different surfaces of the terminal 400 or in a folded design; in still other embodiments, the display 405 may be a flexible display disposed on a curved surface or a folded surface of the terminal 400. Even further, the display screen 405 may be arranged in a non-rectangular irregular pattern, i.e. a shaped screen. The Display screen 405 may be made of LCD (Liquid Crystal Display), OLED (Organic Light-Emitting Diode), and other materials.
The camera assembly 406 is used to capture images or video. Optionally, camera assembly 406 includes a front camera and a rear camera. Generally, a front camera is disposed at a front panel of the terminal, and a rear camera is disposed at a rear surface of the terminal. In some embodiments, the number of the rear cameras is at least two, and each rear camera is any one of a main camera, a depth-of-field camera, a wide-angle camera and a telephoto camera, so that the main camera and the depth-of-field camera are fused to realize a background blurring function, and the main camera and the wide-angle camera are fused to realize panoramic shooting and VR (Virtual Reality) shooting functions or other fusion shooting functions. In some embodiments, camera assembly 406 may also include a flash. The flash lamp can be a monochrome temperature flash lamp or a bicolor temperature flash lamp. The double-color-temperature flash lamp is a combination of a warm-light flash lamp and a cold-light flash lamp, and can be used for light compensation at different color temperatures.
The audio circuit 407 may include a microphone and a speaker. The microphone is used for collecting sound waves of a user and the environment, converting the sound waves into electric signals, and inputting the electric signals to the processor 401 for processing, or inputting the electric signals to the radio frequency circuit 404 for realizing voice communication. For the purpose of stereo sound collection or noise reduction, a plurality of microphones may be provided at different portions of the terminal 400. The microphone may also be an array microphone or an omni-directional pick-up microphone. The speaker is used to convert electrical signals from the processor 401 or the radio frequency circuit 404 into sound waves. The loudspeaker can be a traditional film loudspeaker or a piezoelectric ceramic loudspeaker. When the speaker is a piezoelectric ceramic speaker, the speaker can be used for purposes such as converting an electric signal into a sound wave audible to a human being, or converting an electric signal into a sound wave inaudible to a human being to measure a distance. In some embodiments, audio circuitry 407 may also include a headphone jack.
The positioning component 408 is used to locate the current geographic position of the terminal 400 for navigation or LBS (location based Service). The Positioning component 408 can be a Positioning component based on the Global Positioning System (GPS) in the united states, the beidou System in china, or the galileo System in russia.
The power supply 409 is used to supply power to the various components in the terminal 400. The power source 409 may be alternating current, direct current, disposable or rechargeable. When the power source 409 includes a rechargeable battery, the rechargeable battery may be a wired rechargeable battery or a wireless rechargeable battery. The wired rechargeable battery is a battery charged through a wired line, and the wireless rechargeable battery is a battery charged through a wireless coil. The rechargeable battery may also be used to support fast charge technology.
In some embodiments, the terminal 400 also includes one or more sensors 410. The one or more sensors 410 include, but are not limited to: acceleration sensor 411, gyro sensor 412, pressure sensor 413, fingerprint sensor 414, optical sensor 415, and proximity sensor 416.
The acceleration sensor 411 may detect the magnitude of acceleration in three coordinate axes of the coordinate system established with the terminal 400. For example, the acceleration sensor 411 may be used to detect components of the gravitational acceleration in three coordinate axes. The processor 401 may control the touch display screen 405 to display the user interface in a landscape view or a portrait view according to the gravitational acceleration signal collected by the acceleration sensor 411. The acceleration sensor 411 may also be used for acquisition of motion data of a game or a user.
The gyro sensor 412 may detect a body direction and a rotation angle of the terminal 400, and the gyro sensor 412 may cooperate with the acceleration sensor 411 to acquire a 3D motion of the terminal 400 by the user. From the data collected by the gyro sensor 412, the processor 401 may implement the following functions: motion sensing (such as changing the UI according to a user's tilting operation), image stabilization at the time of photographing, game control, and inertial navigation.
The pressure sensor 413 may be disposed on a side bezel of the terminal 400 and/or a lower layer of the touch display screen 405. When the pressure sensor 413 is disposed on the side frame of the terminal 400, a user's holding signal to the terminal 400 can be detected, and the processor 401 performs left-right hand recognition or shortcut operation according to the holding signal collected by the pressure sensor 413. When the pressure sensor 413 is disposed at the lower layer of the touch display screen 405, the processor 401 controls the operability control on the UI interface according to the pressure operation of the user on the touch display screen 405. The operability control comprises at least one of a button control, a scroll bar control, an icon control and a menu control.
The fingerprint sensor 414 is used for collecting a fingerprint of the user, and the processor 401 identifies the identity of the user according to the fingerprint collected by the fingerprint sensor 414, or the fingerprint sensor 414 identifies the identity of the user according to the collected fingerprint. Upon recognizing that the user's identity is a trusted identity, processor 401 authorizes the user to perform relevant sensitive operations including unlocking the screen, viewing encrypted information, downloading software, paying, and changing settings, etc. The fingerprint sensor 414 may be disposed on the front, back, or side of the terminal 400. When a physical key or vendor Logo is provided on the terminal 400, the fingerprint sensor 414 may be integrated with the physical key or vendor Logo.
The optical sensor 415 is used to collect the ambient light intensity. In one embodiment, the processor 401 may control the display brightness of the touch display screen 405 based on the ambient light intensity collected by the optical sensor 415. Specifically, when the ambient light intensity is high, the display brightness of the touch display screen 405 is increased; when the ambient light intensity is low, the display brightness of the touch display screen 405 is turned down. In another embodiment, the processor 401 may also dynamically adjust the shooting parameters of the camera assembly 406 according to the ambient light intensity collected by the optical sensor 415.
A proximity sensor 416, also known as a distance sensor, is typically disposed on the front panel of the terminal 400. The proximity sensor 416 is used to collect the distance between the user and the front surface of the terminal 400. In one embodiment, when the proximity sensor 416 detects that the distance between the user and the front surface of the terminal 400 gradually decreases, the processor 401 controls the touch display screen 405 to switch from the bright screen state to the dark screen state; when the proximity sensor 416 detects that the distance between the user and the front surface of the terminal 400 gradually becomes larger, the processor 401 controls the touch display screen 405 to switch from the breath screen state to the bright screen state.
Those skilled in the art will appreciate that the configuration shown in fig. 4 is not intended to be limiting of terminal 400 and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components may be used.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A method for determining optimization information of a water injection system, the method comprising:
acquiring a plurality of groups of water injection data, wherein the plurality of groups of water injection data comprise water injection data acquired in a historical acquisition record and water injection data acquired currently, and acquiring influence factors influencing water injection efficiency and influence factors influencing unit consumption from the plurality of groups of water injection data;
determining working parameters of a water injection system based on the plurality of groups of water injection data, wherein the working parameters comprise a plurality of water injection efficiencies and a plurality of unit consumptions, and the unit consumptions are the power consumption of the water injection system per unit cubic meter of water injected;
determining optimization information of the water injection system based on the water injection efficiencies, the unit consumptions and corresponding influence factors, wherein the optimization information comprises a plurality of water injection efficiency fitting straight lines determined based on the water injection efficiencies and the corresponding influence factors and a plurality of unit consumption fitting straight lines determined based on the unit consumptions and the corresponding influence factors, and the water injection efficiency fitting straight lines and the unit consumption fitting straight lines are used for describing the relation between the working parameters and the corresponding influence factors;
the method comprises the steps of obtaining a preset efficiency threshold value and a preset unit consumption threshold value set by a terminal, determining coordinate points with unit consumption smaller than the preset unit consumption threshold value in a plurality of unit consumption fitting straight lines and coordinate points with water injection efficiency larger than the preset efficiency threshold value in a plurality of water injection efficiency fitting straight lines, and taking values of influence factors corresponding to the coordinate points as a basis for determining optimization information, wherein the optimization information is used for describing information of optimized parts in a water injection system.
2. The method of claim 1, wherein the determining optimization information for the water injection system based on the plurality of water injection efficiencies, the plurality of unit consumptions, and corresponding influencing factors, further comprises:
determining a normal distribution graph of the operating parameter based on the plurality of waterflooding efficiencies and the plurality of unit consumptions.
3. The method of claim 2, wherein determining the normal distribution map for the operating parameter based on the plurality of waterflooding efficiencies and the plurality of unit consumptions comprises:
determining a water injection efficiency variance and a water injection efficiency expectation based on the plurality of water injection efficiencies;
determining a normal distribution graph of water injection efficiency based on the water injection efficiency variance and the water injection efficiency expectation;
determining a unit consumption variance and a unit consumption expectation based on the plurality of unit consumptions;
determining a normal distribution of the unit consumption based on the unit consumption variance and the unit consumption expectation.
4. The method of claim 1, wherein the determining a plurality of water injection efficiency fit lines based on the plurality of water injection efficiencies and corresponding contributors, the determining a plurality of specific depletion fit lines based on the plurality of specific consumptions and the corresponding contributors, comprises:
respectively performing linear fitting on the plurality of water injection efficiencies and each corresponding factor in the influencing factors influencing the water injection efficiency to obtain a plurality of water injection efficiency fitting straight lines;
and respectively performing linear fitting on the plurality of unit consumptions and each corresponding factor in the influencing factors influencing the unit consumption to obtain a plurality of fitted linear lines of the unit consumption.
5. The method of claim 2, wherein the influencing factors influencing water injection efficiency include one or more of wellhead average oil pressure, water injection pump train efficiency, mark up consumption, and electricity usage; and the influencing factors influencing unit consumption comprise one or more of average oil pressure of a wellhead, water injection pump pressure, unit efficiency of a water injection pump, water injection efficiency, load rate of a motor and power consumption.
6. An optimization information determination apparatus of a water flooding system, characterized in that the apparatus comprises:
the system comprises a first acquisition module, a second acquisition module and a third acquisition module, wherein the first acquisition module is used for acquiring a plurality of groups of water injection data, the plurality of groups of water injection data comprise water injection data acquired in a historical acquisition record and water injection data acquired currently, and influence factors influencing water injection efficiency and influence factors influencing unit consumption are acquired from the plurality of groups of water injection data;
the first determining module is used for determining working parameters of the water injection system based on the multiple groups of water injection data, wherein the working parameters comprise multiple water injection efficiencies and multiple unit consumptions, and the unit consumption is the power consumption of the water injection system per unit cubic meter of water injected;
a second determining module, configured to determine optimization information of the water injection system based on the water injection efficiencies, the unit consumptions, and corresponding influence factors, where the optimization information includes a plurality of water injection efficiency fitting straight lines determined based on the water injection efficiencies and the corresponding influence factors, and also includes a plurality of unit consumption fitting straight lines determined based on the unit consumptions and the corresponding influence factors, and the plurality of water injection efficiency fitting straight lines and the plurality of unit consumption fitting straight lines are used to describe a relationship between the operating parameter and the corresponding influence factors;
the second acquisition module is used for acquiring a preset efficiency threshold value and a preset unit consumption threshold value which are set by a terminal, determining coordinate points with unit consumption smaller than the preset unit consumption threshold value in the multiple unit consumption fitting straight lines and coordinate points with water injection efficiency larger than the preset efficiency threshold value in the multiple water injection efficiency fitting straight lines, and taking values of influence factors corresponding to the coordinate points as a basis for determining the optimization information, wherein the optimization information is used for describing information of optimized parts in the water injection system.
7. The apparatus of claim 6, wherein the second determining module comprises:
and the determining submodule is used for determining a normal distribution diagram of the working parameters based on the water injection efficiencies and the unit consumptions.
8. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 5.
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| CN106437647A (en) * | 2016-12-15 | 2017-02-22 | 陕西庆华石油建设有限公司 | Efficient oilfield flooding profile control technique |
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