Published January 20, 1978 | Version v1
Patent Open

Process for recovering oil from subterranean formations

Creators

Description

Improved flooding of oil-bearing formations is obtained by injecting and displacing through the formation a water-soluble, substantially linear, high molecular weight polymer obtained by irradiating an aqueous solution of an ethylenically unsaturated monomer and a water-soluble salt under controlled conditions of concentration, radiation intensity, conversion, and total radiation dose. (Auth.)

Availability note (English)

MF available from INIS under the Report Number.

Files

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Additional details

Additional titles

Original title (Dutch)
Werkwijze voor het wiunen van koolwaterstof uit ondergrondse formation

Publishing Information

Imprint Pagination
39 p.
IPC:
Int. Cl. E21b43/22; C08f2/10; C08f2/54; C08f20/02; C10m3/04.
IPC
Int. Cl. E21b43/22; C08f2/10; C08f2/54; C08f20/02; C10m3/04.
Patent number
NL patent document 7800737/A/

INIS

Country of Publication
Netherlands
Country of Input or Organization
Netherlands
INIS RN
10440983
Subject category
S58: GEOSCIENCES;
Descriptors DEI
IRRADIATION; MONOMERS; PETROLEUM; POLYMERS; RADIATION DOSES; SALTS; WELLS
Descriptors DEC
ENERGY SOURCES; FOSSIL FUELS; FUELS

Optional Information

Notes
Priority 21 Jan 1977, USA; English abstract from American patent; 6 tables.