| 摘要 |
<p>The installation according to the invention comprises at least one impervious casing (1), the base of which communicates with the formation, at least one impervious plug (3) arranged in the lower part of the casing and forming a chamber (9), at least one pipe (14) for effecting either gas purging or an injection of gas under pressure, a condensate injection tube (13) running through the chamber and opening in the base of the casing (1) beyond said plug, a production tube (4) running through said chamber and possibly said plug, this tube communicating with the internal volume of the casing (1) downstream of the plug (3) as well as with said chamber by means of an obturation system (6, 7 and 8). The invention finds application in particular in the putting into production of formations which are inaccessible using conventional processes. <IMAGE></p> |
