Wells – Pistons – fluid driven into well – With stop
Patent
1994-11-07
1995-07-25
Buiz, Michael Powell
Wells
Pistons, fluid driven into well
With stop
E21B 3300
Patent
active
054353866
ABSTRACT:
Cementing plugs for use in the cementing of casing in oil and gas wells. The cementing plugs are well-suited for use with a polycrystalline diamond compact drill bit.
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Buiz Michael Powell
LaFleur Petroleum Services, Inc.
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