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Rock physical modeling method and device

A petrophysical modeling and modeling method technology, applied in the field of rock physical modeling methods and devices, can solve problems such as difficulty in establishing rock physical models of volcanic rocks

Pending Publication Date: 2021-06-25
PETROCHINA CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The embodiment of the present invention provides a petrophysical modeling method and device to at least solve the technical problem in the related art that it is difficult to establish a petrophysical model of volcanic rock due to the heterogeneity of the volcanic rock reservoir

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  • Rock physical modeling method and device
  • Rock physical modeling method and device

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Embodiment Construction

[0028] In order to better understand the present invention, the technical solutions in the embodiments of the present invention will be described in connection with the drawings in the embodiments of the present invention, and the embodiments described herein will be clearly understood. It is an embodiment of the invention, not all of the embodiments. Based on the embodiments in the present invention, those of ordinary skill in the art will belong to the scope of the present invention in the scope of the present invention without making in the pre-creative labor premise.

[0029] It should be noted that the specification and claims of the present invention and the terms "first", "second", "second" or the like are used to distinguish a similar object without having to describe a particular order or ahead order. It should be understood that the data used can be interchanged in place so that the embodiments of the invention described herein can be implemented in the order other than ...

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Abstract

The invention discloses a rock physical modeling method and device. The method comprises the steps that: volcanic rock mineral component content is obtained, and the elastic modulus of a mixed mineral is calculated based on the volcanic rock mineral component content; pore parameters of various pores are determined based on the pore types in volcanic rock, the pore parameters include porosity and pore aspect ratio; pores are added into a rock matrix based on the pore parameters of various pores of the volcanic rock, and the bulk modulus and shear modulus of a dry rock skeleton are calculated; and a volcanic rock physical model is established based on the elastic modulus of the mixed mineral, the bulk modulus of the dry rock skeleton and the shear modulus. With the rock physical modeling method and device of the invention adopted, the technical problem that the rock physical model of the volcanic rock is difficult to establish due to the fact that the volcanic rock reservoir has the characteristic of heterogeneity in the prior art is solved.

Description

Technical field [0001] The present invention relates to the field of rock model constructing, in particular, relating to a rock physical modeling method and apparatus. Background technique [0002] In the relevant technologies, in the field of petroleum exploration, the exploration of volcanic rocks is complicated due to the kind of volcanic rocky rock, according to SiO 2 The content can be divided into five categories of supervioxaneous rock, primary rock, neutron, acidic rock, and alkaline rock, each of which has the possibility of oil and gas reservoirs. Due to the diversity of the fire, ingredients, structures, and later modifications, all kinds of volcanic rocky rocks have exhibited interactive and transition, and the difficulty of research on volcanic rock oil reservoirs is increased. In addition, the pore type in the volcanic rock is complex, including the original pores formed in the deposition stage, such as the original angeption hole, granular hole, and the particle ho...

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Application Information

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IPC IPC(8): G01V99/00
CPCG01V20/00
Inventor 程志国梁则亮朱明陈勇贺陆明王晓涛郑伟唐建华徐亚楠钦黎明卞龙叶迪
Owner PETROCHINA CO LTD
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