Wells – Processes – Separating material entering well
Patent
1996-11-13
1998-09-15
Suchfield, George A
Wells
Processes
Separating material entering well
166294, 175 66, 175 72, 507104, 507204, C09K 702, E21B 2100, E21B 33138, E21B 4334
Patent
active
058065920
ABSTRACT:
Ground peanut hulls in the range of -150 to 250 standard size mesh are mixed with a viscosifier and added to a fluid for circulation in a borehole during drilling, completion and workover operations. Below 250 standard sieve mesh the ground peanut hulls are distributed in a range down to 700 standard sieve mesh, with some of the ground peanut hulls having a size less than 700 standard sieve mesh.
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patent: 5118664 (1992-06-01), Burts, Jr.
patent: 5147852 (1992-09-01), Cowan et al.
patent: 5211250 (1993-05-01), Kubena, Jr. et al.
patent: 5229018 (1993-07-01), Forrest
patent: 5246602 (1993-09-01), Forrest
Suchfield George A
Zobal Arthur F
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