Boring or penetrating the earth – Processes – Boring with specific fluid
Patent
1992-10-05
1993-05-04
Novosad, Stephen J.
Boring or penetrating the earth
Processes
Boring with specific fluid
166292, E21B 2106, E21B 3314, E21B 33138, E21B 4100
Patent
active
052072827
ABSTRACT:
Fracture initiation and propagation during drilling or running casing in a well are prevented or inhibited by including an effective amount of a specially sized solid particulate loss prevention material in the well fluid prior to encountering formation breakdown in a susceptible zone.
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Fuh Giin-Fa
Morita Nobuo
Strah David A.
Whitfill Donald L.
Conoco Inc.
Novosad Stephen J.
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