Method for treating oil-contaminated drill cuttings

Details Method for treating oil-contaminated drill cuttings Method for treating oil-contaminated drill cuttings

1979-01-08

1980-12-30

Caroff, Marc L.

Cleaning and liquid contact with solids

Processes

Using solid work treating agents

134 18, 134 40, 134 251, 175 66, 175206, 175207, B08B 704

Patent

active

042421462

ABSTRACT:
A method for treating oil-contaminated drill cuttings at an onsite location, e.g. offshore drillsite, whereby the cuttings can be disposed of directly without the risk of pollution. The contaminated cuttings are separated from the drilling mud and are mixed with a solid oil absorbent material which absorbs the free oil from the contaminated cuttings. A surfactant may be added to aid in binding the oil in the cuttings and the oil absorbent material. Where the cuttings are of large size, they are preferably ground before mixing them with the oil absorbent material. Further, where the mixture of cuttings may include small or dust-like particles, the mixture is compacted into pellets, briquettes or other masses having a sufficient density to sink in water.

REFERENCES:
patent: 2464204 (1949-03-01), Baker
patent: 2601862 (1952-07-01), Thomson
patent: 2919898 (1960-01-01), Marwil et al.
patent: 3688781 (1972-09-01), Talley
patent: 3693733 (1972-09-01), Teague
patent: 4066539 (1978-01-01), Hachisu et al.

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