E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/13 (2006.01) C04B 24/26 (2006.01) C04B 28/06 (2006.01) C04B 40/02 (2006.01) C09K 8/42 (2006.01) C09K 8/46 (2006.01)
Patent
CA 2488671
The present invention provides methods and compressible foamed sealing compositions for sealing expandable pipe in well bores. The compressible sealant compositions for sealing expandable pipe are basically comprised of a hydraulic cement, a rubber latex, a rubber latex stabilizer, a gas and mixture of foaming and form stabilizing surfactants.
La présente invention concerne des procédés et des compositions de scellement expansées compressibles permettant le scellement d'un tube expansible dans des trous de forage. Ces compositions de scellement compressibles servant au scellement d'un tube expansible contiennent essentiellement un ciment hydraulique, un latex d'élastomère-caoutchouc, un stabilisant pour latex d'élastomère-caoutchouc, un gaz ainsi qu'un mélange de tensioactifs moussants et stabilisateurs de mousse.
Brothers Lance E.
Palmer Anthony V.
Halliburton Energy Services Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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