Method of covering the bottom surface in a gas cavern

US4109471A · kind A · utility

Assignee

• Deutsche Texaco Aktiengesellschaft · DE

Inventors

• Franz X. Sebald · Munich, DE
• Hans Hagemann · Perly, CH

Key dates

• Filing date: Sep 2, 1976
• Grant date: Aug 29, 1978
• Expiry date: Sep 2, 1996

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F17C2270/0144
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

Method for depositing a layer or carpet of bitumen in an underground cavern which has a water sump layer in the bottom, and which is used for storing gaseous hydrocarbons, whereby the deposited bitumen carpet minimizes the vaporization of the cavern water into the stored gaseous hydrocarbon.