(U.S. Patents 5,911,278 and 6,672,392)
New Life for Old Gas Wells
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- Does not depend on bottom-hole
pressure to lift liquids
- Only one down-hole moving part
- Simultaneous flow reversal in two
wellbore chambers
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The Calliope method and apparatus are
licensed
exclusively to CREDO Petroleum Corporation.
Calliope is a registered trademark that is also licensed exclusively
to CREDO Petroleum Corporation.Any
unauthorized use of
the method, apparatus or the trademark is prohibited.
