Modeling in sedimentary basins

A technology for basins and sediments, applied in geophysical surveys, seismology for logging records, instruments, etc., can solve problems such as insufficient compaction and fracture of solid media, and achieve the effect of less time and less computing resources

Inactive Publication Date: 2010-12-01
EXXONMOBIL UPSTREAM RES CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, this scheme is unacceptable in cases where these processes are strongly linked (e.g., at high deposition rates), where rapid changes in porosity and permeability due to stress changes lead to pressure Insufficiency, formation of high overpressure with respect to the hydrostatic distribution and possibly fracture of the solid medium

Method used

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  • Modeling in sedimentary basins
  • Modeling in sedimentary basins
  • Modeling in sedimentary basins

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Embodiment Construction

[0032] Embodiments of the present invention are used to model subsurface oil fields. Examples of embodiments described herein may refer to such fields. However, embodiments may be used to model other domains involving other substances and / or processes. For example, embodiments may be used to model the distribution of liquid contaminants in subterranean basins, the migration of radioactive materials from underground storage facilities, or the migration of other liquids, water, natural gas, or other gases.

[0033] The data used in such simulations may be obtained by various techniques using sensors that measure various properties of the basin, such as stratigraphic analysis, seismic inversion, or geological interpretation of these by geologists.

[0034] Compaction, loosening, and fluid flow modeling are described next in accordance with various embodiments of the invention. These models preferably consider a mechanically balanced version of the medium. In the description, a...

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Abstract

Embodiments of the invention operate to produce basin models that describe the basin in terms of compaction and fluid flow. The equations used to define compaction and fluid flow may be solved simultaneously. Embodiments of the invention use equations that define a set of unknowns that are consistent over the basis. The equations may define total pressure, hydrostatic pressure, thicknesses, and effective stress.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of U.S. Provisional Patent Application 61 / 008,801, entitled "MODELING INSEDIMENTARY BASINS," Attorney Docket No. 2207EM385, filed December 21, 2007, which is hereby incorporated by reference in its entirety. technical field [0003] The present application relates generally to computer modeling, and more particularly to modeling pressure in sedimentary basins. Background technique [0004] In geological exploration, it is desirable to obtain information about the various rock formations and structures that exist below the earth's surface. Such information may include formation, density, porosity, composition, and the like. Such information is then used to model subsurface basins to predict hydrocarbon deposits and aid in the extraction of hydrocarbons. [0005] Basin analysis is the comprehensive study of sedimentary basins as geodynamic entities. Sedimentary basins are studied be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V1/40
CPCG01V99/00
Inventor S·马力拉索夫
Owner EXXONMOBIL UPSTREAM RES CO
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