Silane-propane ignitor/burner

Details Silane-propane ignitor/burner Silane-propane ignitor/burner

1983-05-26

1985-02-19

Suchfield, George A.

Wells

Wells with lateral conduits

166 551, 166 59, 166 91, 166260, E21B 2902, E21B 3602

Patent

active

044999453

ABSTRACT:
A silane propane burner for an underground coal gasification process which is used to ignite the coal and to controllably retract the injection point by cutting the injection pipe. A narrow tube with a burner tip is positioned in the injection pipe through which an oxidant (oxygen or air) is flowed. A charge of silane followed by a supply of fuel, such as propane, is flowed through the tube. The silane spontaneously ignites on contact with oxygen and burns the propane fuel.

REFERENCES:
patent: 2786660 (1957-03-01), Alleman
patent: 3017168 (1962-01-01), Carr
patent: 3179169 (1965-04-01), Cline et al.
patent: 3254721 (1966-06-01), Smith
patent: 3563606 (1971-02-01), Sears
patent: 3774682 (1973-11-01), Bousaid et al.
patent: 4027917 (1977-06-01), Bartel et al.
patent: 4245701 (1981-01-01), Chambers
patent: 4301866 (1981-11-01), Burton et al.
patent: 4334579 (1982-06-01), Gregg
"The Controlled Retracting Injection Point (Crip) System: A Modified Stream Method for in situ Coal Gasification" by R. W. Hill and M. J. Shannon, UCRL-85852.

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