E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 36/00 (2006.01) B01J 13/00 (2006.01) C09K 8/504 (2006.01)
Patent
CA 2140736
A thixotropic thermal insulating fluid includes a heavy hydrocarbon, water and oleophilic clay, wherein said heavy hydrocarbon is present in an amount of between about 75% to about 92% by volume of the fluid, said water is present in an amount of between about 5% to about 15% by volume of the fluid, and said oleophilic clay is present in an amount of between about 3% to about 10% by volume of the fluid. The fluid may be prepared by mixing water in an amount of between about 5% to about 15% by total volume of the fluid with oleophilic clay in an amount of between about 3% to about 10% by total volume of the fluid so as to provide a substantially homogeneous mixture; and mixing said mixture with a heavy hydrocarbon in an amount of between about 75% to about 92% by total volume of the fluid under agitation for a time sufficient to provide a thixotropic gel.
Layrisse Ignacio
Rios Carlos
Suarez Simon
Tovar Jose Gregorio
Intevep S.a.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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