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Method for dynamically predicting and calculating productivity of compact conglomerate reservoir

A technology of dynamic forecasting and calculation methods, applied in the direction of forecasting, calculation, instruments, etc., can solve problems such as staying and single consideration factors

Pending Publication Date: 2021-02-19
BC P INC CHINA NAT PETROLEUM CORP +1
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  • Application Information

AI Technical Summary

Problems solved by technology

In terms of tight reservoirs, some people try to use conventional logging data and array acoustic logging data to establish a reservoir prediction model. The factors considered are relatively simple, and they basically stay at semi-quantitative. Quantitative evaluation needs to be further strengthened.

Method used

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  • Method for dynamically predicting and calculating productivity of compact conglomerate reservoir
  • Method for dynamically predicting and calculating productivity of compact conglomerate reservoir
  • Method for dynamically predicting and calculating productivity of compact conglomerate reservoir

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Embodiment Construction

[0076] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0077] see figure 1 , a method for predicting and calculating dynamic production capacity of tight conglomerate reservoirs provided by the present invention, comprising the following steps:

[0078] Step 101: Determine the quantitative characterization parameters of the productivity of the tight conglomerate reservoir according to the shut-in pressure test and production data;

[0079] Step 102: Analyzing various parameters affecting reservoir productivity, and selecting the key parameters for main control;

[0080] Step 103: using the key parameters of the main control to construct a comprehensive quantitative index indicating the productivity of the reservoir;

[0081] Step 104: Considering the impact of reservoir measures and transformation factors, establishing a liquid production index by using the comprehensive quantification index and...

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Abstract

The invention discloses a method for dynamically predicting and calculating the productivity of a compact conglomerate reservoir. The method comprises the following steps: determining quantitative characterization parameters of the productivity of the compact conglomerate reservoir according to a well closing pressure test and production data; analyzing various parameters influencing the reservoirproductivity, and optimizing four main control key parameters; constructing a comprehensive quantitative index for indicating the reservoir productivity by utilizing the key parameters of the mastercontrol; and finally, considering the influence of reservoir measure transformation factors, establishing a liquid production index by utilizing the comprehensive quantitative index and the reservoirtransformation factors according to the reservoir types, and realizing dynamic prediction of the productivity. According to the invention, accurate and dynamic prediction of the tight conglomerate reservoir productivity is realized.

Description

technical field [0001] The invention belongs to the technical field of well logging evaluation of complex oil and gas reservoir formations in petroleum exploration, and in particular relates to a method for predicting and calculating dynamic production capacity of tight conglomerate reservoirs. Background technique [0002] Reservoir productivity prediction is a technology for comprehensive evaluation of reservoir fluid production capacity. Generally speaking, productivity is a comprehensive indicator of the dynamic characteristics of oil and gas reservoirs. It is the mutual restriction between the production potential of oil and gas reservoirs and various influencing factors. A certain dynamic balance is achieved in the process, and the reservoir productivity prediction results can test the results of oil and gas exploration and provide the most basic basis for oil and gas field development. [0003] With the continuous deepening of oil and gas exploration, complex formatio...

Claims

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Application Information

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IPC IPC(8): G06Q10/04G06Q10/06G06Q50/02
CPCG06Q10/04G06Q10/06393G06Q50/02
Inventor 蔺敬旗隆山高秋涛曹志锋王振林黄卫东高衍武姬嘉琦王先虎虞兵赵延静张凯杨帆邵广辉陈建穆永利张麟柴新辉
Owner BC P INC CHINA NAT PETROLEUM CORP
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