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DONALDSON A BURL
2 patents
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US4411618A
Oct 25, 1983
Downhole steam generator with improved preheating/cooling features
DONALDSON A BURL
54 citations
88
US9752422B2
Sep 5, 2017
Direct electrical steam generation for downhole heavy oil stimulation
DONALDSON A BURL
1 citations
48