Variable-dip model device for simulating development of oil reservoirs with different dip angles and application method thereof

By designing a variable dip angle model device, the problem of multi-dip angle simulation in indoor experiments of high-dip reservoirs was solved, providing an experimental basis for numerical simulation technology and improving the research effect of recovery optimization.

CN117365457BActive Publication Date: 2026-07-03PETROCHINA CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
PETROCHINA CO LTD
Filing Date
2022-06-29
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Existing technologies are insufficient to effectively simulate the multi-dip angle variations in high-dip reservoirs, resulting in significant limitations in laboratory experiments and hindering the optimization of enhanced oil recovery strategies.

Method used

A variable dip model device for simulating reservoir development at different dip angles was designed, including a first variable dip hexahedral core model, a second variable dip hexahedral core model, and a third variable dip hexahedral core model. The simulation of multiple dip angles is achieved through model combination fixers and support stabilizers, and is equipped with pipeline channels and plugging conversion joints to support experimental research on various displacement methods.

Benefits of technology

It provides an objective experimental basis for numerical simulation technology, improves the indoor research on high-dipping reservoirs, and enhances the optimization capability of recovery technology.

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Abstract

This invention discloses a variable dip angle model device and its application method for simulating reservoir development at different dip angles. The variable dip angle model device includes: a first variable dip angle hexahedral core model, a second variable dip angle hexahedral core model, and a third variable dip angle hexahedral core model; the first variable dip angle hexahedral core model is connected to the second variable dip angle hexahedral core model; the second variable dip angle hexahedral core model is also connected to the third variable dip angle hexahedral core model. This invention solves the current difficulty in achieving indoor experimental testing techniques at different dip angles, provides an objective experimental basis for numerical simulation technology research, improves this aspect of technical research, and helps in optimizing enhanced oil recovery technologies for this type of reservoir.
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