C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 8/84 (2006.01) C09K 8/05 (2006.01) C09K 7/02 (1990.01)
Patent
CA 2130103
ABSTRACT OF THE DISCLOSURE Aqueous compositions for use as drilling fluids or as workover fluids/completion fluids comprise calcium chloride and calcium nitrate. The compositions may be formulated so as to have low crystallization temperatures. Additional densifying agents such as calcium bromide and/or zinc bromide may also be included.
Brunner Mond & Company Limited
Marks & Clerk
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