Methane Emissions Inventory

An inspection code governing the maintenance and repair of in-service pressure vessels. Subcontractors performing vessel work must often comply with API 510 requirements and use certified inspectors. Non-compliance can result in work stoppages or contract disqualification.

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.

A formal arrangement where two jurisdictions recognise each other's safety training or certifications as mutually acceptable. For subcontractors, this means workers certified in one province or region can mobilise to another without repeating training. It reduces downtime and credentialing costs when moving crews across borders.

A U.S. federal regulation governing the licensing of nuclear power plants and facilities. Subcontractors working on nuclear sites must comply with its strict safety, quality assurance, and documentation requirements. Non-compliance can result in work stoppages or removal from site.

Any source of stored or released energy that can cause serious injury or death, such as pressurised systems, suspended loads, or live electrical equipment. Subcontractors must identify these hazards before starting work and follow site-specific isolation procedures. Failure to control high-energy hazards is a leading cause of fatalities in oil and gas and construction environments.

A U.S. federal law that grants the president broad authority to regulate or block international trade and financial transactions during a declared national emergency, which can directly affect subcontractors by triggering sudden tariffs on imported equipment and materials, disrupting cross-border project timelines, or restricting payments to and from American clients and primes. Field service companies working on U.S.-linked contracts or sourcing materials from affected countries should monitor IEEPA-related executive orders closely, as cost structures and contract terms can shift with little notice.

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.