Method and apparatus for separating artificial drill cuttings fr

Details Method and apparatus for separating artificial drill cuttings fr Method and apparatus for separating artificial drill cuttings fr

1983-11-09

1985-09-03

Lacey, David L.

Classifying, separating, and assorting solids

Plural, diverse separating operations

Magnetic and sifting

209214, 209215, 209219, 209229, 209254, 209259, 209636, 209933, 141280, 166 661, B03C 116, B03C 130

Patent

active

045391025

ABSTRACT:
A method and apparatus are disclosed for removing and counting artificial drill cuttings from a returning drill mud containing a mixture of both artificial and natural drill cuttings. The artificial drill cuttings are injected into the drilling fluid and supplied to a drill string and have magnetic properties, while the natural drill cuttings do not. A rotary magnetic drum having a first endless belt travelling therearound receives the cuttings mixture and the magnetic artificial cuttings adhere to the first belt by being attracted to the drum, while the natural drill cuttings do not, thereby permitting separation of the two. The artificial cuttings are removed from the drum by a second endless belt cooperating with the first endless belt to define a nip between them. The belts positively engage with and remove the artificial cuttings from the drum.

REFERENCES:
patent: 468540 (1892-02-01), Cane
patent: 536226 (1895-03-01), McKinnon
patent: 2276075 (1942-03-01), Woensch
patent: 3269189 (1966-08-01), Monk
patent: 3328233 (1967-06-01), Martinez
patent: 3661259 (1972-05-01), Reynolds
patent: 4031004 (1977-06-01), Sommer, Jr. et al.
patent: 4302245 (1981-11-01), Winters

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