Boring or penetrating the earth – Processes – Boring with specific fluid
Patent
1991-10-31
1993-01-19
Novosad, Stephen J.
Boring or penetrating the earth
Processes
Boring with specific fluid
507104, 507140, 507126, C09K 700, E21B 2100, E21B 33138
Patent
active
051800209
ABSTRACT:
Fracture initiation and propagation during drilling are prevented or inhibited by including an effective amount of a specially sized solid particulate loss prevention material in the drilling 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.
Collins Richard W.
Conoco Inc.
Novosad Stephen J.
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