Communications – electrical: acoustic wave systems and devices – Wellbore telemetering
Patent
1982-04-12
1983-11-15
Moskowitz, Nelson
Communications, electrical: acoustic wave systems and devices
Wellbore telemetering
367 83, 429112, G01V 140
Patent
active
044160003
ABSTRACT:
A DC power source for use in a wide range of variable temperatures employing a battery having the characteristic that it is substantially dormant at normal ambient temperatures and operable only at temperatures substantially above normal ambient temperatures, including a heat retaining housing in which the battery is positioned and a controllable heat source within the housing to maintain the temperature of the battery within a preselected elevated range corresponding to the effective operating temperature characteristics of the battery.
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Krieeger et al., "Fusible . . . Power Supplies", 5/72, pp. 1-4, 25th Ann. Proc. Power Sources Conf.
Shimatake et al., "Development of Uncharged Li-Al/Fe Sx Cells," 9/17/76, Conf. 11th Int. Energy Conv. E.
Patton et al., "Development . . . Velocity System," 10/77, pp. 1215-1221, Jour. of Pet. Tech.
Belanger et al., "Molten Salt . . . Cell Development," 9/14/79, pp. 211-222, Conf. MAB of NATO, France.
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