OECD (Organisation for Economic Co-operation and Development)

Legal authorisation allowing crews and equipment to enter privately or publicly owned land to perform field work. Subcontractors must confirm these rights are secured before mobilising to site. Working without confirmed access can halt operations and expose your company to liability.

The process of shutting down and locking out all energy sources — electrical, hydraulic, pneumatic — before maintenance or service work begins. Subcontractors are typically required to follow the site owner's specific isolation procedures and permit system. Non-compliance can result in immediate removal from site and liability exposure.

A documented safety plan required when workers are exposed to fall hazards above 3 metres. It outlines equipment requirements, inspection procedures, and worker training obligations. Subcontractors are typically responsible for maintaining their own compliant program on site.

A requirement that a set percentage of workers, materials, or services come from the local region or country. Subcontractors must often prove local hiring and sourcing to help clients meet these obligations. Non-compliance can disqualify your bid or void a contract.

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.

The ASME (American Society of Mechanical Engineers) code governing the design, fabrication, and inspection of pressure vessels. Subcontractors working on pressure vessels must ensure equipment bears the ASME stamp, confirming code compliance. Non-compliant vessels can trigger work stoppages and liability issues on site.

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.