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HSE-331 · Lesson 3 of 12 · 26 min

Law, standards and certification for drilling and servicing

HSE-330, Lesson 2, mapped the two kinds of regulator that touch every oil and gas site: the worker safety regulator, which protects employees, and the energy regulator, which oversees wells, facilities and pipelines and protects the public and the environment. On a drilling or service rig both are very visible. The worker safety rules govern fall protection on the mast, guarding on the drawworks and the training of the crew. The energy regulator's rules govern how the well is designed, how blowout preventers are tested and who must hold well control certificates. Industry standards and recommended practices fill in much of the detail. This lesson maps those layers for rigs, then looks at the certifications a rig worker can expect to need.

Laws, directives and standards change. The dates and editions below were checked in October 2026, but before relying on a specific requirement always check the current version from the regulator or standards body. This course names documents so that you know where to look; it does not reproduce their clauses.

Worker safety law on the rig

In Canada, most drilling and servicing rigs fall under provincial occupational health and safety law, because oil and gas exploration and production are provincial undertakings. Alberta's OHS Act, Regulation and Code apply to rigs in Alberta, and the Code has a dedicated part on oil and gas wells (Part 37 at the time of the 2023 amendments) that addresses rig-specific matters such as derrick emergency escape, guarding of rotating equipment, rig floor and pipe handling equipment and well control. British Columbia's Workers Compensation Act and OHS Regulation have their own oil and gas provisions, administered by WorkSafeBC, and Saskatchewan's OHS regulations apply in that province. General parts of each province's law, such as fall protection, hazard assessment, lockout, noise, chemical hazards and working alone, apply on the rig as they do anywhere else. Federal OHS law under the Canada Labour Code applies mainly to offshore installations and to oil and gas work on federal lands and in the territories under federal or territorial regimes.

A layered diagram for a drilling rig in Canada. The top layer is provincial OHS law, with Alberta OHS Act, Regulation and Code including an oil and gas wells part. The second layer is the energy regulator, with AER directives such as Directive 036 on blowout prevention and the BC Energy Regulator. The third layer is industry recommended practices from Energy Safety Canada, such as IRP 1 and IRP 2. The bottom layer is company programs from the operator and drilling contractor. Arrows on the side show certification bodies: Energy Safety Canada well control and H2S courses.
Layers of rules on a drilling rig. Law sets the minimum, energy regulators set well requirements, industry practices add detail and company programs turn all of it into rig procedures.

Energy regulators and well requirements

The Alberta Energy Regulator licenses wells and sets technical requirements for drilling and servicing them through directives. Directive 036, Drilling Blowout Prevention Requirements and Procedures, sets requirements for blowout preventer systems, accumulators, testing, drills and the well control certification of key rig and supervisory personnel. Directive 008 sets surface casing depth requirements, Directive 050 covers drilling waste management, Directive 071 covers emergency preparedness and response (HSE-330, Lesson 11), and other directives cover data filing, well abandonment and many other topics. Wells with significant hydrogen sulphide are classified by risk, and critical sour wells face additional requirements for planning, equipment, emergency response and supervision. In British Columbia, the BC Energy Regulator administers the Drilling and Production Regulation and its own guidance, and Saskatchewan's ministry responsible for energy sets equivalent requirements. On federal lands and offshore, the Canada Energy Regulator and the offshore boards for Newfoundland and Labrador and Nova Scotia regulate drilling.

Energy regulators focus on the well and the public, but their rules protect rig workers too. A properly designed casing program, a correctly rated and tested BOP stack and a trained crew that practises kick drills are exactly what keep a kick from becoming a blowout that kills the people on the floor. Conversely, worker safety regulators increasingly look at process safety and well control when they investigate rig incidents.

Energy Safety Canada, through the Drilling and Completions Committee (DACC), publishes Industry Recommended Practices (IRPs) that set out detailed good practice for higher-risk operations. IRP 1 covers critical sour drilling and IRP 2 covers completing and servicing sour wells; other volumes address topics such as snubbing, coiled tubing, wellsite fire prevention and well testing. The AER and other regulators refer to some IRPs in their requirements, and operators often write them into contracts. CSA Group publishes standards for equipment and materials used on rigs and wellsites, and many companies also use American Petroleum Institute standards for equipment such as blowout preventers and wellhead components.

Recommended practices are not law in themselves, but they carry weight in three ways. Regulators may require them by reference. Contracts between operators and contractors often require them. And when an incident is investigated, inspectors and courts look at recognized industry practice to decide whether a hazard was known and whether a feasible control existed. A rig that ignores a widely used recommended practice will find it hard to show it took every reasonable precaution.

Certifications on a rig

Rig workers collect certificates. Some are required by law or regulation, some by the operator's contract and some by the drilling contractor's own program. The common ones fall into four groups.

Common certificate groups for rig and well site workers. Exact requirements depend on the province or state, the operator and the drilling contractor.
GroupTypical certificates (Canada)Who needs them
OrientationEnergy Safety Canada Common Safety Orientation; rig-specific orientationEveryone entering the lease
Hazard-specificH2S Alive, first aid and CPR, WHMIS, fall protection, confined space, ground disturbance, fire extinguisherMost rig and service workers; depends on tasks
Well controlFirst Line Supervisor Blowout Prevention, Second Line Supervisor Well Control, Well Service Blowout PreventionDrillers, rig managers, well site supervisors and service rig supervisors as required by regulators and contracts
EquipmentCrane and picker operator, rigger, forklift and telehandler, wireline and coiled tubing operator qualificationsWorkers who operate that equipment

Certificates expire, usually after one to three years depending on the course, and a lapsed well control or H2S certificate can stop a worker from going to the floor. Rig managers track certificates for their crews, and many operators audit contractor training records before a rig starts work. A certificate shows that a person completed training at one point in time; it does not guarantee competence today. That is why rigs combine certificates with mentoring, drills and supervisors who watch how people actually work.

The program below checks invented certificate records for part of the Rig 31 crew against an invented spud date and lists anything that has expired or will expire during the planned 40-day program on the pad.

from datetime import date, timedelta

spud = date(2027, 2, 1)                 # invented start of drilling
end = spud + timedelta(days=40)         # planned program length
records = [
    ("Driller A",      "Well control (driller level)", date(2027, 6, 30)),
    ("Driller B",      "Well control (driller level)", date(2027, 2, 20)),
    ("Rig manager",    "Well control (supervisor)",    date(2028, 1, 15)),
    ("Derrickhand A",  "H2S",                          date(2027, 1, 10)),
    ("Floorhand C",    "First aid and CPR",            date(2027, 3, 5)),
    ("Motorhand B",    "H2S",                          date(2027, 9, 1)),
]
for who, cert, expiry in records:
    if expiry < spud:
        status = "EXPIRED before spud"
    elif expiry <= end:
        status = f"expires day {(expiry - spud).days} of program"
    else:
        status = "valid for program"
    print(f"{who:14} {cert:30} {expiry}  {status}")
Output
Driller A      Well control (driller level)   2027-06-30  valid for program
Driller B      Well control (driller level)   2027-02-20  expires day 19 of program
Rig manager    Well control (supervisor)      2028-01-15  valid for program
Derrickhand A  H2S                            2027-01-10  EXPIRED before spud
Floorhand C    First aid and CPR              2027-03-05  expires day 32 of program
Motorhand B    H2S                            2027-09-01  valid for program

Three records need action before or during the program. Derrickhand A cannot work on the lease until the H2S certificate is renewed, and the renewals for Driller B and Floorhand C should be booked now so that neither has to leave the rig partway through. Simple checks like this are easy to automate and save rigs from discovering a lapsed certificate during an operator audit or, worse, after an incident.

Who holds which duty

Law places duties on several parties at once, and on a rig they overlap. The drilling contractor, as employer, must protect its workers, train them, supervise them and maintain its equipment. The operator, as licensee and usually the party in control of the site, has duties for the well design, the overall site, coordination of employers and, in many jurisdictions, as prime contractor or as a controlling employer. Service companies have the same employer duties to their own workers. Supervisors have personal duties to ensure that workers under them follow safe practices. And every worker has a duty to follow the rules, use the protective equipment provided, report hazards and refuse or stop unsafe work. Lesson 12 returns to how these duties are written down in bridging documents.

Worked problem

Which rule applies?

During a trip on Rig 31, the derrickhand's fall arrest lanyard is found frayed, a blowout preventer pressure test is due, and a new floorhand's H2S certificate is found to have lapsed. Which kind of rule or standard is most relevant to each issue?

Show solution
  1. Frayed lanyard: provincial OHS law on fall protection and the Code's oil and gas wells requirements for work in the derrick; the equipment must be removed from service.
  2. BOP pressure test: the energy regulator's requirements in AER Directive 036, the operator's drilling program and the drilling contractor's procedures.
  3. Lapsed H2S certificate: the operator's and contractor's training requirements and the general OHS duty to train workers for the hazards they face; the floorhand cannot work in areas where H2S may be present until retrained.

Answer: Fall protection is mainly a worker safety law issue, BOP testing is mainly an energy regulator and industry standard issue, and the lapsed certificate is a training issue under both law and contract. On a real rig all three layers overlap.

Inspections, incidents and reporting

Both kinds of regulator inspect rigs. A worker safety officer may arrive unannounced, walk the lease, check fall protection on the mast, guarding, housekeeping and training records, interview workers and issue orders or citations. An energy regulator inspector is more likely to check the BOP stack and accumulator, test records, kick drill logs, the flare system, the sour gas emergency plan and the casing and cementing program. Inspectors from both often look at the same documents, such as the hazard assessment and the orientation records, for different reasons. Crews should treat an inspection as a free second set of eyes rather than an interruption.

Serious incidents must be reported quickly. In Alberta, serious injuries and certain dangerous occurrences must be reported to OHS, and well control incidents, uncontrolled releases and other events must be reported to the AER under its own requirements. Each province sets its own reporting list and timelines, so the rig's emergency response plan should list who calls which regulator and when. After an incident, the scene must be preserved, except to protect people or prevent further harm, until the regulator allows work to resume.

Industry sharing adds a further layer. Safety alerts from IADC, Energy Safety Canada and individual companies describe what went wrong in incidents and near misses so that other crews can learn without repeating them. Many of the hazards in the following lessons, such as mismatched hammer unions and dropped objects from the mast, are known largely because crews reported near misses and companies shared the lessons. Reading the latest alerts at the pre-tour meeting is a simple, cheap habit that keeps those lessons alive.

Common mistakes

  • MistakeAssuming that because a recommended practice is not law it can be ignored.

    InsteadTreat widely used recommended practices as the expected standard of care; regulators, contracts and courts rely on them.

  • MistakeThinking the energy regulator only cares about the environment.

    InsteadRecognize that well design, BOP and well control rules protect rig workers directly.

  • MistakeTreating a valid certificate as proof of competence.

    InsteadCombine certificates with mentoring, drills and observation of how people actually work.

  • MistakeLetting certificates lapse and discovering it during an audit.

    InsteadTrack expiry dates for the whole crew against the planned program and renew early.

  • MistakeQuoting a clause number from memory.

    InsteadCheck the current edition of the law, directive or standard before relying on a requirement.

Summary and key terms

  • Provincial OHS law applies on most Canadian rigs, and Alberta's Code has a dedicated part on oil and gas wells.
  • The AER sets well requirements through directives, including Directive 036 on blowout prevention, and other provinces have equivalents.
  • Energy Safety Canada IRPs, such as IRP 1 and IRP 2 for sour wells, set detailed good practice.
  • Recommended practices gain force through regulatory reference, contracts and the standard of care used in investigations.
  • Rig workers need orientation, hazard-specific, well control and equipment certificates appropriate to their roles.
  • Certificates expire and must be tracked, but they do not replace mentoring and supervision.
  • Contractors, operators, supervisors and workers all hold overlapping legal duties on a rig.
General duty clause
The part of the US OSH Act requiring employers to protect workers from recognized serious hazards.
Directive
A document issued by the Alberta Energy Regulator that sets requirements for licensees.
Industry recommended practice
A document setting out detailed good practice for an operation, such as Energy Safety Canada IRPs or API RPs.
Critical sour well
A well whose hydrogen sulphide release potential is high enough to trigger extra regulatory requirements.
Well control certificate
A qualification showing that a worker has completed well control training for their role.
Standard of care
The level of precaution a reasonable employer would take, judged partly by industry practice.

Practice problems

Work each problem on paper first, then reveal the answer to check.

  1. Name the two kinds of regulator that apply to a drilling rig.

    Show answer

    The worker safety regulator and the energy regulator.

  2. Which AER directive sets blowout prevention requirements for drilling?

    Show answer

    Directive 036.

  3. Which Energy Safety Canada IRP covers critical sour drilling?

    Show answer

    IRP 1.

  4. Give two ways a recommended practice can gain legal force.

    Show answer

    Reference in regulations, contract requirements, or use as evidence of the standard of care (any two).

  5. Name the four groups of certificates common on rigs.

    Show answer

    Orientation, hazard-specific, well control and equipment certificates.

  6. Why is a certificate not proof of competence?

    Show answer

    It shows training was completed at one time, not that the person can do the job safely today.

  7. In the certificate program, why must Derrickhand A stay off the lease?

    Show answer

    The H2S certificate expired before the spud date.

  8. Who has duties for the overall site and coordination of employers on a typical lease?

    Show answer

    The operator, as licensee and party in control of the site.

  9. What duty does every worker hold?

    Show answer

    To follow the rules, use protective equipment, report hazards and refuse or stop unsafe work.

  10. Why should you check the current edition of a directive or standard?

    Show answer

    Requirements and clause numbers change between editions.

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