ARO (Asset Retirement Obligations)

The length of time a work permit remains valid before requiring renewal or reissuance. Short permit durability can stall field crews and create costly downtime between tasks. Subcontractors should confirm permit expiry windows before scheduling labour and equipment.

Indirect losses a party claims resulted from a contractor's failure, such as lost production revenue or project delays. Most subcontracts include a mutual waiver clause excluding these claims entirely. Always confirm this waiver is present before signing any field service agreement.

The managed removal and injection of produced or flowback water into approved disposal wells or treatment facilities. Subcontractors handling disposal must meet provincial regulatory requirements and maintain proper manifests. Non-compliance can result in fines or suspension of operating licences.

Work-related injuries or illnesses that must be logged on an OSHA 300 form. For subcontractors, these incidents can affect prequalification scores and client contract eligibility. High recordable rates often disqualify field crews from worksites entirely.

A trained worker stationed outside a permit-required confined space to monitor entrants and conditions. They maintain communication with the entry team and initiate rescue procedures if hazards arise. Subcontractors must supply a qualified attendant or face work stoppages and liability on site.

A pipeline that operates entirely within one province or state, regulated by provincial or state authorities rather than federal bodies. Subcontractors must hold the correct provincial certifications and follow local codes when working on these systems. Permitting, inspections, and compliance requirements differ significantly from interprovincial lines.

When a Jobsite Incident Happens: What Field Workers Need to Know Before Signing Anything

What to do after a jobsite injury or incident, what your rights are before signing incident reports, how workers' compensation works, and how to protect yourself on multi-employer worksites.

OSHA Citations on Multi-Employer Worksites: What Subcontractors Need to Know

Learn how OSHA's multi-employer citation policy works, why subcontractors get cited for hazards they didn't create, and how to protect your company on operator-controlled job sites.

How to Read and Negotiate an Oilfield Master Service Agreement (MSA): A Subcontractor's Guide

Learn which MSA clauses actually matter for oilfield subcontractors: indemnity, insurance, payment terms, and change orders. Know what you're signing.