4:14 The challenge
- →Uncontrolled saline-water flow surfacing at a community site.
- →Believed to migrate up a legacy plugged wellbore, no reliable well records.
- →State-managed plugging crews on site; the well had to be found from surface, no excavation.
Our solution
Deployed NSWD, high-density vector-magnetometer surveys that detect the magnetic signature of buried ferromagnetic casing. Scanned undisturbed soil and within the active pit, comparing measured field components against the IGRF reference model, with the option to lower the sensor on wireline into shallow purpose-drilled holes.
Buried wellbore located from surface, no records, no excavation
The result
+856 nT
residual anomaly, at the surface fluid expression
- ·23 stations surveyed across the pit; 14 analyzed
- ·Proprietary residual analysis vs. the IGRF reference field
- ·Peak horizontal residual +856 nT (~40 ft, bearing 130°)
- ·Anomaly coincides with the surface fluid expression, consistent with a buried wellbore
Ranging
PMR
Deployment
Surface / Wireline
Re-entry
No
Location
West Texas, USA
Year
2026
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