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Guarantee Oil Co.: wells in San Mateo County, CA

All Guarantee Oil Co. wells in California · Every operator in San Mateo County, CA

Not plugged · All wells · Plugged · Orphaned · Disposal (SWD) and injection

🔒 Map every Guarantee Oil Co. well in San Mateo County, CA. Start Basic

Wells

WellAPI / IDStatusType
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Operator names are shown as the California Geologic Energy Management Division (CalGEM) records them. Data as of 2026-11-10.