| 摘要 |
An improved process for removing from a wellbore in a subterranean formation particulate material bonded together by a cured phenolic resin. The material is contacted with a solvent composition comprising a liquid selected from the groups: N,N-dimethylformamide, N-methyl-2-pyrrolidone and mixtures thereof for a sufficient time to separate the particulate material and then the separated material is removed from the wellbore.
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