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Three-dimensional multi-modal core and geological modeling for optimal field development

A technology of geological model and core, applied in the field of computerized simulation of rock physical structure

Active Publication Date: 2015-02-25
SAUDI ARABIAN OIL CO +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Specifically, to the best of our knowledge, suitable hole system and mining process data are rarely available in sufficiently satisfactory quantities and in a manner that is reasonably consistent with the geology

Method used

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  • Three-dimensional multi-modal core and geological modeling for optimal field development
  • Three-dimensional multi-modal core and geological modeling for optimal field development
  • Three-dimensional multi-modal core and geological modeling for optimal field development

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Embodiment Construction

[0035] Using the present invention, the petrophysical properties and properties of subsurface reservoirs are determined and modeled. Petrophysical properties provide a cumulative representation of the nature and structure of rock formations in subsurface reservoirs. The model so formed is based on relevant geological facies deduced from well core descriptions and detailed studies of the rock, and on fluid and pore properties derived from laboratory analysis of core material and well log data (Full Pore System). These data distinguish various important pore throat and pore body regions and related relationships, namely, macroporosity and type 1, type 2 and type 3 microporosity.

[0036] The present invention thus provides an understanding of the hydrocarbon volumes in various pore type groups, which allows for the formulation of appropriate recovery techniques through focused laboratory studies. This has led to field development strategies that can significantly increase oil a...

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Abstract

A roadmap for a field development strategy for optimal recovery is provided in a high quality 3D geological model. This geological model combines geological attributes, pore and rock properties for an optimum 3D representation of the reservoir thousands feet beneath the surface. The model is based on the pertinent geological facies, derived from well core description and detailed studies of rock, as well as fluid and pore properties (Full Pore System) obtained from laboratory analyses of core material and well log data. These data differentiate various important pore throat and pore body regions and relationships, i.e., macroporosity and microporosity. Understanding hydrocarbon volumes in the various pore type groups and then establishing proper recovery techniques through focused laboratory studies yields a field development strategy that can significantly increase hydrocarbon recovery from a reservoir.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to US Provisional Application No. 61 / 640,790, filed May 1, 2012. For purposes of US patent practice, the contents of this provisional application are incorporated by reference into this application in their entirety. technical field [0003] The present invention relates to computerized simulation of the petrophysical structure of subterranean oil and gas reservoirs, and more particularly to the determination of a petrophysical model of a reservoir based on core samples from wells in the reservoir and other field data about the reservoir. Background technique [0004] In the oil and gas industry, the development of subsurface oil and gas reservoirs often includes the development and analysis of computer simulation models. These subterranean oil and gas reservoirs are typically complex rock formations containing both petroleum fluid mixtures and water. One form of such a reservoir mode...

Claims

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Application Information

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IPC IPC(8): G01V99/00G01V11/00
Inventor 罗格·R·松爱德华·A·克拉克
Owner SAUDI ARABIAN OIL CO
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