Table 2.

Identification criteria for large-scale fracture filling.

Large-scale fractures	GR (API)	AC (μs/ft)	RT (Ω·m)
Non-filled	10–30	50–55	800–2000
Mud-filled	> 20	48–52	100–2000
Calcite-filled	< 21	49–65	1000–10,000