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Reservoir stratum prediction method

A reservoir prediction and reservoir technology, applied in the field of geophysical exploration, to achieve the effect of reducing workload and improving work efficiency

Active Publication Date: 2016-06-08
CHINA PETROLEUM & CHEM CORP +1
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  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention provides a reservoir prediction method, aiming to solve how to select the optimal inversion parameters for reservoir prediction when the obtained reservoir prediction result is not satisfactory

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Embodiment Construction

[0036] The technical solutions of the present invention will be further described in detail below in conjunction with the drawings in the embodiments of the present invention.

[0037] The technical scheme that the present invention takes to realize its purpose is to determine the effective parameters that can distinguish the reservoirs by converging and analyzing the logging data in the research area; comprehensively utilizing seismic data and logging data, and separately Carry out forward modeling and corresponding characteristic response analysis to determine the optimal parameters that can distinguish reservoirs; perform reservoir parameter inversion on the optimal parameters, and determine reasonable reservoir prediction results based on the inversion results or forward simulation results After comparative analysis with the inversion results, the reservoir prediction results are determined.

[0038] The specific steps of a preferred embodiment of the present invention are...

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Abstract

The invention relates to a reservoir stratum prediction method. The method is characterized by through carrying out intersection analysis on logging data in a research area, determining effective parameters capable of distinguishing a reservoir stratum; comprehensively using earthquake data and the logging data to carry out forward simulation on the each acquired effective parameter respectively, correspondingly carrying out characteristic response analysis and determining an optimal parameter capable of distinguishing the reservoir stratum; carrying out reservoir stratum parameter inversion on the optimal parameter, determining a reasonable reservoir stratum prediction result according to an inversion result or comparing and analyzing a forward simulation result and the inversion result and then determining a reservoir stratum prediction result. By using the method, prediction precision is increased, exploration risks are reduced and workload is decreased. The method is an effective scheme of lithologic oil and gas reservoir stratum prediction.

Description

technical field [0001] The invention relates to a reservoir prediction method, which belongs to the field of geophysical exploration. Background technique [0002] In geophysical exploration technology, in the conventional reservoir prediction process, it is necessary to analyze the logging data, perform attribute extraction, seismic inversion and other related calculations on the seismic data, and then analyze the calculated attribute data to identify the reservoir The possible areas and intervals of development can be determined, so as to complete the reservoir prediction work. [0003] The existing reservoir prediction technology is more effective for simple and relatively thick reservoirs with obvious characteristics, that is, when the reservoir characteristics on the intersection map can be reflected by the corresponding characteristics of independent regions, it can be compared with the relative seismic attribute data. The distribution range of the characteristic area...

Claims

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Application Information

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IPC IPC(8): G01V1/50
Inventor 王雪梅武子钰王黎明王雷郭萌萌
Owner CHINA PETROLEUM & CHEM CORP
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