Wells – Processes – Heating – cooling or insulating
Patent
1983-06-29
1985-12-17
Leppink, James A.
Wells
Processes
Heating, cooling or insulating
166 59, 122 31R, 431160, 431173, 431243, E21B 4324
Patent
active
045587434
ABSTRACT:
A steam generator for producing steam in a confined space such that it can be positioned in a borehole for use in secondary and tertiary recovery of hydrocarbons. Fuel is injected axially into a combustion chamber having a reduced orifice in the bottom thereof and oxygen is introduced tangentially from a plurality of ports in the top of the combustion chamber to create a stable vortex flame. A portion of the walls of the combustion chamber are formed from a porous, sintered stainless steel cylinder through which water is pumped to cool the walls of the chamber and to form steam. The combustion products are mixed with a water mist in a steam generating section to form steam.
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Peperakis, Jr. Angelo
Ryan Norman W.
Dang Hoang C.
Leppink James A.
University of Utah
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