H2s (hydrogen Sulfide)

A document outlining how land above a wellsite or pipeline corridor can be accessed and used during operations. Subcontractors must follow it to avoid disturbing restricted areas or triggering landowner disputes. Non-compliance can result in work stoppages or liability on your crew.

A global industry body that sets drilling standards, safety training programmes, and well control certifications. Subcontractors working on drilling sites often need IADC-recognised credentials to qualify for contracts. Holding valid IADC certifications can directly affect your crew's eligibility and your bid competitiveness.

The process by which operators and prime contractors vet subcontractors before awarding work. It typically involves reviewing insurance, safety records, certifications, and financial stability. Failing to qualify can bar a company from bidding on projects entirely.

The U.S. federal agency that regulates the entry of workers, equipment, and materials across the Canadian-American border, which subcontractors must navigate when mobilising crews or hauling specialised equipment into U.S. job sites. Non-compliance with CBP requirements can result in delays at the border, seized equipment, or crews being turned away, making proper documentation and advance planning critical for cross-border field work.

The legal obligation to compensate another party for damages or losses caused by your work or negligence. For subcontractors, this typically arises from property damage, personal injury, or contract breaches on a job site. Adequate general liability insurance is your primary protection against civil liability claims.

The U.S. federal OSHA standard governing blasting and use of explosives on construction sites. Subcontractors performing demolition, excavation, or site prep must comply when explosives are involved. Non-compliance risks stop-work orders, fines, and contract termination.

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.