Filtering media for controlling the flow of sand during oil well

Details Filtering media for controlling the flow of sand during oil well Filtering media for controlling the flow of sand during oil well

1987-12-01

1989-04-18

Novosad, Stephen J.

Wells

Screens

Porous material

166230, 166236, 75251, 210170, 210291, 428570, 428667, E21B 4308

Patent

active

048218006

ABSTRACT:
Sand is filtered from an oil flow from a sand-containing oil producing formation or interval of an oil well by passing the oil flow with entrained sand through a filter assembly containing filtering media in the form of a body of juxtaposed composite particles. Each composite particle has an iron-containing core surrounded by a continuous chromium cladding, the composite particles having a size to permit passage of the oil flow through the body of the composite particles while substantially preventing flow of sand therethrough.

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patent: 3378076 (1968-04-01), Metler
patent: 3896028 (1975-07-01), Phillips, Jr.
patent: 4360377 (1982-11-01), Steck et al.
patent: 4526230 (1985-07-01), Kojicic

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