Composition and method for reducing sludging during the acidizin

Details Composition and method for reducing sludging during the acidizin Composition and method for reducing sludging during the acidizin

1986-02-17

1987-05-05

Guynn, Herbert B.

Compositions

Leather or fur treating

166307, E21B 4327

Patent

active

046630597

ABSTRACT:
An anti-sludging agent for enhancing the recovery of sludging oil crudes from hydrocarbon-bearing formations during acid stimulation treatments comprising an admixture of dicyclopentadiene and a mixture of naturally occurring cyclic monoterpenes isolated from Pinus species which is added in at least a sludge-inhibiting amount to the acid used for stimulation.

REFERENCES:
patent: 2125429 (1938-08-01), Denker
patent: 2214363 (1940-09-01), de Simo et al.
patent: 2356205 (1944-08-01), Blair et al.
patent: 3083158 (1963-03-01), Markham
patent: 3279541 (1966-10-01), Knox et al.
patent: 4207193 (1980-06-01), Ford et al.
Moore et al, Journal of Petroleum Technology, Sep. 1965, pp. 1023-1028.

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