US 12,410,705 B2
System and method of monitoring fracturing in geothermal systems
Scott Lavoie, The Woodlands, TX (US); Bonnie Powell, Houston, TX (US); Sven Kristian Hartvig, Raelingen (NO); Edmund Leung, Karrinyup (AU); and Roy Greig, Aberdeen (GB)
Assigned to Resman AS, Ranheim (NO)
Filed by RESMAN AS, Ranheim (NO)
Filed on Dec. 4, 2023, as Appl. No. 18/527,815.
Prior Publication US 2025/0179911 A1, Jun. 5, 2025
Int. Cl. E21B 47/11 (2012.01); E21B 49/08 (2006.01)
CPC E21B 47/11 (2020.05) [E21B 49/08 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A method of characterising at least one fracture in an enhanced geothermal system, the method comprising:
arranging two or more inflow tracer sources with distinct tracer materials in known levels of a production well of the enhanced geothermal system;
injecting at least one interwell tracer into the at least one fracture in an injection well of the enhanced geothermal system;
producing fluid in the production well;
collecting samples of produced fluid;
analysing the samples for the presence and/or concentration of tracers; and
based on the presence and/or concentration of tracers in the samples estimating and/or calculating at least one characteristic of the at least one fracture.