Wells – Processes – Placing or shifting well part
Patent
1982-09-30
1985-01-29
Novosad, Stephen J.
Wells
Processes
Placing or shifting well part
166 57, 166 53, 166303, E21B 3600, E21B 4324
Patent
active
044960018
ABSTRACT:
A vacuum system is disclosed for reducing heat loss within the annular chamber of a steam injection well. The apparatus includes elements for drawing vapor within the annular chamber outside the well, elements for condensing the vapor and elements for discharging the fluid. In addition, the apparatus incorporates elements to isolate and bypass the vacuum and condensing means in the event of high-steam leakage that may damage any components thereof.
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Chevron Research Company
Keeling E. J.
LaPaglia S. R.
McGarrigle P. L.
Novosad Stephen J.
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