Single-Well Gas-Assisted Gravity Draining Process for Oil Recovery

Document Type

Patent

Patent Number

CA 2984173A1

Abstract

Disclosed is a less expensive, more efficient process for enhanced oil recovery, particularly useful in high cost environments such as offshore. This process is known as single well gas assisted gravity drainage (SW-GAGD). The process comprises the steps of drilling from a single wellbore one or more horizontal laterals near the bottom of a payzone and injecting a fluid displacer such as nitrogen or carbon dioxide through injection points. The injectant sweeps the oil and other produced fluids in the reservoir towards other producing perforations in the single well.

Assignees

Louisiana State University

Publication Date

10-3-2023

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