Method and apparatus for treating subsurface boreholes

Details Method and apparatus for treating subsurface boreholes Method and apparatus for treating subsurface boreholes

1978-03-20

1982-08-10

Faw, Jr., Price C.

Wells

With heating, refrigerating or heat insulating means

Electrical heater in well

166248, 166311, 166 63, 166 65R, E21B 3604, E21B 3700

Patent

active

043433561

ABSTRACT:
A method and apparatus for cleaning openings in a borehole casing, slotted liner, screen or the like, cleaning subsurface earth formations and/or stimulating the flow of fluids through subsurface earth formations surrounding a borehole in which a plasma is generated adjacent the area to be treated by the gasification and ionization of a gasifiable and ionizable material, such as, water, petroleum or similar fluids and/or solids, such as, a consumable metal wire, thereby creating an intense shock wave which passes into or through the material being treated. The plasma region is created by any means adapted to gasify and ionize the gasifiable and ionizable material, such as, a high voltage, high current electrical discharge of short duration.

REFERENCES:
patent: 549132 (1895-11-01), Jehl
patent: 2481887 (1949-12-01), Smits
patent: 3169577 (1965-02-01), Sarapuu
patent: 3180418 (1965-08-01), MacLeod
patent: 3488546 (1970-01-01), Paquette
patent: 3530936 (1970-09-01), Gunderson
patent: 3621916 (1971-11-01), Smith, Jr.
patent: 3679007 (1972-07-01), O'Hare

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