C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 8/70 (2006.01) C09K 8/536 (2006.01) E21B 43/22 (2006.01) E21B 43/25 (2006.01) E21B 43/26 (2006.01)
Patent
CA 2240690
The use is disclosed of oil-soluble, oleophilic organic liquid phases which are fluid at a temperature range from 0 to 10 ~C from the corresponding classes of mono- and/or polycarboxylic acid esters, carbon dioxide ester, fatty alcohols and their oligoalkoxide and/or ethers which constitute the at least major part of the liquid phase in storage-stable homogeneous mixtures with guar gum and/or water-soluble guar gum derivatives, to allow their use in water-based bore-hole treatment media.
L'invention concerne l'utilisation de phases liquides oléophiles et solubles dans l'huile, fluides dans une plage de températures comprise entre 0 et 10 ·C, des classes correspondantes d'esters d'acide mono- et/ou polycarboxylique, d'esters de dioxyde de carbone, d'alcools gras et de leurs oligoalcoxydes et/ou éthers, qui constituent la partie au moins majoritaire de la phase liquide, dans des mélanges homogènes et stables au stockage avec de la gomme de guar et/ou des dérivés de gomme de guar solubles dans l'eau, afin de permettre l'utilisation de ces derniers dans des agents de traitement de trous de sondage à base d'eau.
Herold Claus-Peter
Mueller Heinz
von Tapavicza Stephan
Henkel Kommanditgesellschaft Auf Aktien
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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