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Establish method and device for toothbrush-shaped oil deposit slicing production model

A layered mining and model technology, applied in the direction of production fluid, gene model, earthwork drilling and production, etc., can solve the problem of poor pertinence in oil layer production

Active Publication Date: 2015-07-01
PETROCHINA CO LTD
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Problems solved by technology

[0005] In order to solve the problem of poor pertinence in oil layer exploitation, the present invention provides a method and equipment for establishing a toothbrush-shaped oil reservoir layered exploitation model

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  • Establish method and device for toothbrush-shaped oil deposit slicing production model
  • Establish method and device for toothbrush-shaped oil deposit slicing production model

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Embodiment Construction

[0054] In order to make the objectives, technical solutions and advantages of the present invention clearer, the embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.

[0055] The embodiment of the present invention provides a method for establishing a toothbrush-shaped reservoir stratified production model, such as figure 1 As shown, the method includes:

[0056] Step 101, with the goal of increasing oil production and decreasing water production of oil wells, establish the objective function f(T o , T w ), the objective function is:

[0057] f ( T o , T w ) = K Q X i = 1 N X j = 1 M i [ Q i ( j ) ( 1 - C i ( j ) ) ] - K o X i = 1 N X j = 1 M i [ ( q opi ( j ) - q omi ( j ) ) p i ( j ) ] - K w X ...

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Abstract

The invention discloses an establish method and device for a toothbrush-shaped oil deposit slicing production model, and belongs to the field of petroleum industry oil production engineering. The method includes the steps of establishing a target function corresponding to the slicing production model with the oil well oil production increase and the water yield decrease as targets, setting constraint conditions of the slicing production model, and determining the slicing production layer position through the genetic ant algorithm according to the slicing production model and the constraint conditions. The problem that the pertinence of the oil layer production is poor is solved, the effect on improving the pertinence of the oil layer production is achieved, and the method and the device are used for the slicing production of toothbrush-shaped oil deposit.

Description

Technical field [0001] The invention relates to the field of oil production engineering in the petroleum industry, in particular to a method and equipment for establishing a toothbrush-shaped oil reservoir layered mining model. Background technique [0002] In the petroleum field, a toothbrush-shaped reservoir is a reservoir with narrow strips in the horizontal direction, multiple sets of oil-bearing strata in the vertical direction, and no uniform oil-water interface. The toothbrush-shaped reservoir has large interlayer pressure differences and interlayer The interference contradiction is prominent, and the productivity of the upper and lower oil layers cannot be fully utilized. In order to meet the production requirements, the sealing layer and returning measures are often used, and the sealing layer returning measures are applied to the toothbrush-shaped oil reservoir. The amount of oil collected is small, and the reservoir cannot be completely extracted. It is easy to cause w...

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Application Information

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IPC IPC(8): E21B43/14
CPCE21B43/14G06N3/126
Inventor 付亚荣严建奇刘春平马永忠李云张志明李小永靳利姜一超姚庆童李冬青付丽霞付茜曹瑾王宝山
Owner PETROCHINA CO LTD
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