| 摘要 |
<p>The present invention relates to a detection system of geological formations, particularly but not exclusively used for oil exploration, and also for the characterization and monitoring of hydrocarbon reservoirs, wherein the detection system (10) of geological formations comprises an electromagnetic transmission device (11) positioned on the surface of a geological formation (12) close to a first well (13) having a vertical development direction, the first well being covered by a metal casing (18), and an electromagnetic reception device (14) positioned deep inside the first well (13), the electromagnetic reception device (14) comprising electromagnetic detection means (30), and is characterized in that the electromagnetic transmission device (11) comprises primary electromagnetic field generating means (20) capable of generating a primary electromagnetic field focalized in the direction of the metal casing (18), the metal casing (18) irradiating the primary electromagnetic field into the geological formation (12).</p> |
