Single-Source Contractor

Fixing or restoring equipment and structures at their installed location, without removal or shutdown. Subcontractors performing in-situ work often command premium rates due to specialised techniques and confined-space conditions. Scope clarity upfront is critical, as discovered defects can significantly expand the job.

A company or sole operator hired by a subcontractor, rather than directly by the prime contractor or owner. Lower-tier subs often face delayed payment cycles and reduced contract visibility. Understanding your tier position affects lien rights, insurance requirements, and invoice routing.

A series of vibrating screens used on-site to separate solids by size from drilling fluids or aggregates. Subcontractors operating or maintaining this equipment must track run-hours carefully for service billing. Screen cloth replacement is a common scope item in solids-control contracts.

A well used to pump fluids — such as water, CO2, or chemicals — into a subsurface formation for disposal or enhanced recovery. Subcontractors are commonly hired for drilling, wellbore servicing, and chemical injection work on these sites. Scope can include pump maintenance, pressure testing, and regulatory compliance support.

A voluntary safety certification program in Canada that recognizes employers who have developed health and safety management systems that meet established standards. Required by many operators in Alberta and Western Canada.

The tracking, inspection, storage, and handling of oilfield pipe and casing on behalf of operators or drilling contractors. Subcontractors providing these services manage inventory, thread protection, and condition reporting at wellsite or yard facilities. Scope often includes running tally sheets, third-party inspections, and coordinating pipe delivery to rig floor.

How Operator Mergers and Acquisitions Affect Your Subcontract Agreements

When operators merge, get acquired, or sell assets, subcontractor agreements are caught in the middle. Learn how M&A activity affects your MSA, payment terms, vendor status, and what to do before, during, and after a deal closes.

How Rig Count Trends Affect Subcontractor Demand and What to Do About It

Rig counts are the earliest signal of where field service work is heading. Learn how to read drilling activity trends, anticipate demand shifts, and position your crew before the phone stops ringing.

What Is an AFE in Oil and Gas and How Does It Affect Subcontractor Payments?

An AFE (Authorization for Expenditure) controls every dollar spent on an oilfield project. Learn how it affects your billing, change orders, and cash flow as a subcontractor.