Title: Reservoir for storing hydrocarbon liquids and process for fabricating the same

Abstract: A reservoir for hydrocarbon liquids is formed by a hollow in the ground lined with a gas-tight sheet and covered by a roof floating on the liquid in the hollow, the roof comprising a non-metallic rigid body which is gas-tight and of low density, a meter cube of the body weighing between 15 kgs and 100 kgs, a layer of earth or the like covering the surface of the body, and auxilliary gas-tight means connecting the circumference of the roof body to the circumference of the hollow.

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Inventors: Azalbert, Jean-Paul (Ablon, FR)
Giraud, Adrien (Neuilly, FR)
Tassin, Claude J. (Courbevoie, FR)
Pech, Christian H. (Chatou, FR)

Application Number: 489974
Filing Date: 1974-07-19
Publication_date: 1976-03-16
Assignee: Campagnie Francaise des Petroles, Societe Anonyme (Paris, FR)
Primary Class(es): 405/55 405/53
Other Classes:
US Patent Ref:

1783118	Nov, 1930	Griffin	220/218.
2970716	Feb, 1961	McCammon	220/218.
3036342	May, 1962	Fino	220/218.
3154213	Oct, 1964	Ulm	220/232.
3205665	Sep, 1965	Van Horn	61/.
3330118	Jul, 1967	Biais	61/.
3462040	Aug, 1969	Galloway	220/218.
3493143	Mar, 1970	Thompson et al.	220/218.
3517513	Jun, 1970	Renshaw et al.	220/218.
3537267	Nov, 1970	Webb	61/1.
3592009	Jul, 1971	Glijnis	61/.

Other Refs:
Primary Examiner: Taylor, Dennis L.
Assistant Examiner:
Attorney: Sughrue, Rothwell, Mion & Zinn