Method, device and system for determining water flooding volume waves and coefficients of oil deposits

A technology for determining methods and coefficients, which is applied in the field of determining the volume sweep coefficient of water flooding in reservoirs, can solve the problems of inability to characterize the physical properties of the reservoir, cover up the instantaneous oil production law of the reservoir, etc., and achieve the effect of improving the effect and accurate production effect.

Active Publication Date: 2017-09-22
PETROCHINA CO LTD
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Problems solved by technology

However, when the water drive volumetric sweep coefficient of the reservoir is determined only by the empirical values ​​of the water drive parameters, the actual physical characteristics of the reservoir cannot be represented; when the water drive volumetric sweep coe

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  • Method, device and system for determining water flooding volume waves and coefficients of oil deposits
  • Method, device and system for determining water flooding volume waves and coefficients of oil deposits
  • Method, device and system for determining water flooding volume waves and coefficients of oil deposits

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[0025] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described The embodiments are only some of the embodiments of the present application, but not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0026] Considering that in the prior art, the water flooding volumetric sweep coefficient of the reservoir can generally be determined by empirical values ​​or cumulative oil production and other parameters that cannot characterize the actual instantaneous physical characteristics of the reservoir, the inventors proposed a new water floodi...

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Abstract

The invention provides a method, device and system for determining water flooding volume waves and coefficients of oil deposits. The method comprises the following step of: obtaining water content of a to-be-measured oil deposit, wherein the water content comprises to-be-measured water content and reference water content; calculating a ratio of the to-be-measured water content to to-be-measured oil content; and calculating a water flooding volume wave and a water flooding coefficient corresponding to the to-be-measured water content by combining an expression which is determined by the reference water content and represents the relationship between the water content of the oil deposit and waves and coefficients according to the ratio of the to-be-measured water content to the to-be-measured oil content. According to the method, the water flooding volume waves and coefficients are determined by utilizing the water content, describing the instant features of oil deposits, of oil deposits, so that the efficient development of oil fields can be better instructed and the oil field water flooding development effect is improved.

Description

technical field [0001] The invention relates to the technical field of geological exploration, in particular to a method and a device for determining the water drive volumetric sweep coefficient of an oil reservoir. Background technique [0002] The volumetric sweep coefficient of water flooding can refer to the ratio of the void volume occupied by water invasion to the original void volume of the reservoir under the condition of water flooding development. Whether it is natural water flooding or artificial water injection development, water flooding volumetric sweep coefficient is an important parameter of oilfield development. Therefore, it is necessary to further study the determination method of water flooding volumetric sweep coefficient. [0003] At present, the water flooding volumetric sweep coefficient of a reservoir can generally be determined by the empirical values ​​of water flooding parameters or the cumulative oilfield production. However, when the water dri...

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Application Information

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IPC IPC(8): G06F19/00
CPCG16Z99/00
Inventor 傅礼兵李轩然施荣盛邱晓娇倪军赵伦范子菲
Owner PETROCHINA CO LTD
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