Regulatory Intelligence
What is the difference between spud date and notification of well drilling activity?
Category:
Drilling Notification
Research Basis
Archive Period
2013-2018
Records Reviewed
5
Primary Topics
spud date; drilling activity notification; re-entry; surface casing; licensed depth
Current Reference
AER Directive 059; AER Manual 027
Common Question
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What is the difference between spud date and notification of well drilling activity?
Archive Findings
The Directive 059 FAQ says spud date is when the bit hits the ground or when an existing well is re-entered.
It separately describes the drilling activity notification as being tied to starting surface casing, drilling to licensed depth, or resuming drilling of a non-abandoned well.
Engineering Insight
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Track both items separately. The spud date records the physical start point; the notification requirement is a regulatory reporting trigger.
Current Guidance
Use current Directive 059 and Manual 027 for drilling activity notification and data filing requirements.
Related Regulatory Insights
Historical newsletter insights that reference the same directive, manual, rule or regulatory requirement.