C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
31/9
C09K 8/05 (2006.01) C09K 8/20 (2006.01) C09K 8/24 (2006.01)
Patent
CA 1217318
ABSTRACT An environmentally compatible high density drilling or blow-out control fluid is provided wherein densities bet- ween twenty-four (24) and forty (40) pounds per gallon can be achieved. Such preferred fluid is aqueous based, uses a non-toxic gelling agent such as fine iron oxide powder, a coarser first weighting material such as fine iron powder, and a second still coarser weighting material such as iron shot, steel shot or mixtures thereof.
446152
Sutton David L.
Walker Michael L.
Company Halliburton
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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