| 摘要 |
<p>The invention concerns a method which consists in injecting into the structure zone volume, through passages provided in said zone, a fluoride ion source with a pH not less than 8, to transform into alkaline-earth fluoride at least part of the alkaline-earth metal carbonate, in particular calcium, present in the structure said zone. The invention is useful for consolidating and/or passivating, in particular, a chalk hydrocarbon and/or water reservoir or geological limestone formations encountered in the course of development works.</p> |
