| 摘要 |
1,183,070. Consolidating earth formation. HALLIBURTON CO. 29 June, 1967 [9 Feb., 1967], No. 30015/67. Heading E1F. A loose sand or earth formation is consolidated by a resin and an organic ester which can be added in the preflush liquid, the resin or resin forming liquids and the afterflush catalyst liquid. The ester is one of general formulae wherein R 1 to R 10 each represent a hydrogen atom or COOR with at least one COOR group being present. R represents 1 to 8 carbon atoms with alicyclic, aromatic or aliphatic arrangement or wherein R' 1 and R' 2 represent 1 to 10 carbon atoms with alicylic, aromatic or aliphatic arrangement. Dimethyl, diethyl, dibutyl, dioctyl, diallyl and diphenyl phthallates, diallyl and diethyl terephthalates, diethyl oxalate, ethyl malonate and propiolactone are exemplified.
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