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Establishment Method of 3D Geological Model of Mud Logging Parameters

A technology for model building and 3D geology, applied in the field of geological exploration and development, which can solve the problems of lack of real-time performance, inability to model correction and adjustment, and poor practicability of special reservoirs.

Active Publication Date: 2022-03-18
BC P INC CHINA NAT PETROLEUM CORP +1
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Problems solved by technology

[0006] The invention provides a method for establishing a three-dimensional geological model of mud logging parameters, which overcomes the above-mentioned deficiencies in the prior art. Certain real-time performance, the problem that the model cannot be corrected and adjusted in time, further solves the problem of poor practicability of the existing mud logging 3D geological modeling method for complex and special reservoirs

Method used

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  • Establishment Method of 3D Geological Model of Mud Logging Parameters
  • Establishment Method of 3D Geological Model of Mud Logging Parameters
  • Establishment Method of 3D Geological Model of Mud Logging Parameters

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Embodiment 1

[0050] Embodiment 1: as attached figure 1 As shown, the method for establishing a three-dimensional geological model of mud logging parameters includes the following steps:

[0051] Step 1: Obtain mud logging model parameters, including mud logging oil and gas index, mud logging dc index-rock hardness data and mud logging lithology data;

[0052] According to the discretization value of the existing mud logging fluorescence content data and the gas concentration ratio of the mud logging gas logging data, the mud logging oil and gas index is obtained;

[0053] Carry out regression analysis on the core hardness measurement value, the drilling dc index of rocks at different well depths and the acoustic time difference data, and calculate the mud logging dc index-rock hardness data;

[0054] Discretize the existing cuttings data at the mud logging site to obtain mud logging lithology data;

[0055] The second step: according to the mud logging oil-gas index, mud logging dc index...

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Abstract

The invention relates to the technical field of geological exploration and development, and is a method for establishing a three-dimensional geological model of mud logging parameters. Rock hardness data and mud logging lithology data; Step 2: Establish corresponding mud logging oil and gas index model, mud logging dc index- Rock hardness model and logging lithology model. The present invention realizes fine characterization of structure, porous medium reservoir and its internal attribute parameters, and establishes corresponding mud logging oil and gas index model through mud logging oil and gas index, mud logging dc index-rock hardness data and mud logging lithology data , Mud logging dc index-rock hardness model and mud logging lithology model, which combine deterministic modeling with stochastic modeling, realize the prediction of favorable oil and gas areas in reservoirs, and meet the needs of actual work.

Description

technical field [0001] The invention relates to the technical field of geological exploration and development, and relates to a method for establishing a three-dimensional geological model of mud logging parameters. Background technique [0002] The existing 3D geological modeling generally adopts the combination of geological, logging, geophysical data and various interpretation results or conceptual models to generate a 3D quantitative stochastic model, including structural models, facies models and attribute models; the structural model is obtained through The well-connected strata are compared to form a synthetic seismic record, determine the time-depth relationship, establish an application layer velocity model based on the seismic synthesis record, and use the layer velocity model to perform time-depth conversion on the time-domain seismic body. Based on the seismic data in the depth domain, the faults and layers are traced, and the actual drilling breakpoints and laye...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T17/05
CPCG06T17/05
Inventor 徐声驰薛晓军王晨陈向辉马玉明胡张明赵彦清
Owner BC P INC CHINA NAT PETROLEUM CORP
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