Non-abrasive particulate material for permeability alteration in

Details Non-abrasive particulate material for permeability alteration in Non-abrasive particulate material for permeability alteration in

1983-04-18

1985-02-26

Suchfield, George A.

Wells

Processes

Cementing, plugging or consolidating

166309, E21B 33138

Patent

active

045013292

ABSTRACT:
An improved particulate material is disclosed for use in a method for altering the permeability of a gravity override or relatively high permeability path through a subsurface earth formation resulting from fluid injection into the subsurface formation. The method includes adding selectively sized, finely divided, amorphous non-abrasive particulate material to a fluid and injecting the fluid into the gravity override or relatively high permeability path to deposit the particulate material thus altering the permeability in the override, or relatively high permeability path. The particulate material may include graphite, carbon black, clay suspensions, quartz, or other minerals reduced in size range to behave as non-abrasive amorphous material which will present a non-abrasive characteristic in injection wells and if the particulate material is produced with formation fluids from the treated formation.

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patent: 4093310 (1978-06-01), Terry
Hampel, Clifford, A. et al., Glossary of Chemical Terms, Second Edition, 1982, p. 52.

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