Boring or penetrating the earth – Processes – Boring with specific fluid
Patent
1994-08-18
1996-01-16
Neuder, William P.
Boring or penetrating the earth
Processes
Boring with specific fluid
507104, E21B 700, C09K 706
Patent
active
054840287
ABSTRACT:
The cork or pith portion of various nuts is utilized as a seepage loss reducing additive without increasing, and in some cases reducing, the viscosity of the drilling mud used in drilling boreholes.
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patent: 5180020 (1993-01-01), Fuh et al.
Grinding & Sizing Co., Inc.
Neuder William P.
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