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Multivariable coding method and device for oilfield development plan

An oilfield development and coding method technology, applied in the field of multivariable coding methods and devices for oilfield development plans, can solve problems such as multiple variables that have not yet been proposed, optimization of the overall oilfield development plan, etc., to achieve the effect of promoting optimization and computer realization

Inactive Publication Date: 2019-01-11
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no technical solution that can better deal with multiple variables to promote the optimization of the overall oilfield development plan

Method used

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  • Multivariable coding method and device for oilfield development plan
  • Multivariable coding method and device for oilfield development plan
  • Multivariable coding method and device for oilfield development plan

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Embodiment 1

[0029] Embodiment 1 of the present invention provides a multivariate encoding method for an oilfield development plan, see figure 1 The flow chart of the multivariate coding method for the oilfield development plan shown, the method includes:

[0030] Step S102, determining multiple variables of the oilfield development plan, the variables include at least two of the following: well location, well type, perforated layer or injection-production volume.

[0031] Determine the oilfield development plan according to the practical problems to be studied and solve, and determine the multiple variables of the oilfield development plan. During the design process of oilfield development plan or development adjustment plan, the development well pattern and the deployment of adjustment wells are the core issues of the optimization design. After the completion of the well pattern deployment, it is necessary to optimize the opening layer (that is, optimize the perforation layer) and inject...

Embodiment 2

[0071] Embodiment 2 of the present invention provides a multivariate encoding method for an oilfield development plan, see figure 2 The flow chart of the multi-variable coding method for the oilfield development plan is shown, and an implementation flow of the method is described.

[0072]First, according to the actual problems to be studied, the oilfield development (adjustment) plan is obtained, including: well pattern deployment plan, perforation plan and injection-production plan. Among them, the well pattern deployment plan includes the optimization of well location and well type, the perforation plan includes the optimization of the perforated layer, and the injection-production plan includes the optimization of the injection rate or liquid production rate. According to each plan, the variable parameter set is established. Secondly, the variable parameter set is encoded, including the determination of the encoding method. For example, binary or real number encoding can ...

Embodiment 3

[0103] Embodiment 3 of the present invention provides a multi-variable coding device for an oil field development plan, see Figure 4 The structural block diagram of the multivariable encoding device for the oilfield development plan shown, the device includes:

[0104] The variable determination module 21 is used to determine multiple variables of the oilfield development plan, and the variables include at least two of the following: well location, well type, perforated layer or injection-production volume; the parameter determination module 22 is used to determine the parameters of the variables respectively; Auxiliary encoding module 23 is used to determine the encoding mode and the number of digits of the variable respectively according to the parameters of the variable; the encoding module 24 is used to encode the variable respectively according to the encoding mode and the number of encoding digits to obtain the encoding of the variable; the combination module 25, It is ...

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Abstract

The invention provides a multivariable coding method and device for an oilfield development plan, which relate to the technical field of petroleum exploration and development. The method comprises thefollowing steps: determining a plurality of variables of an oilfield development plan, wherein the variables include at least two of the following: well location, well type, perforated layer or injection-production amount; determining the parameters of the variables separately; according to the parameters of the variables, determining the encoding mode and the encoding bits of the variables respectively; according to the encoding mode and the encoding bits, encoding the variables to obtain the codes of the variables. The codes of at least two variables are combined in a predetermined order toobtain individual codes of an oilfield development plan. The invention can encode a plurality of variables, which is convenient for analysis and calculation in the optimization process of the oilfield development plan, thereby promoting the optimization of the oilfield development plan.

Description

technical field [0001] The invention relates to the technical field of petroleum exploration and development, in particular to a multivariable encoding method and device for an oilfield development plan. Background technique [0002] General oilfield development optimization is mainly to complete the development plan or adjustment plan optimization design through reservoir engineering method calculation, numerical simulation analysis combined with actual development adjustment experience. In the process of oilfield development plan or development adjustment plan design, the development well pattern and the deployment of adjustment wells are the core issues of the optimization design. After the completion of the well pattern deployment, it is necessary to optimize the opening layer (that is, the optimization of the perforated layer) and the injection-production Parameter optimization. In the process of optimizing the oilfield development plan, if multiple variables are optim...

Claims

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Application Information

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IPC IPC(8): G06Q10/04G06Q50/02
CPCG06Q10/04G06Q50/02
Inventor 张国威赵旭王建文浩
Owner CHINA PETROLEUM & CHEM CORP
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