Part 17 - Oil and Gas Industry

(a) include the possibility of release of gases, fire, blow-out, explosion and other common and potential factors and scenarios,

(b) be documented properly with

(c) be available at the workplace.

(a) the iron sulphide shall be kept wetted down until safely disposed of, and

(b) other contaminated materials and equipment shall be kept wetted down or kept in an inert atmosphere until cleaned.

(2) Workers shall be instructed and trained in the application of the written work procedures required by subsection (1).

(3) Before workers enter a flare system danger area where the installation is temporary and remote ignition of the pilot is not feasible

(a) the minimum requirements for a twin agent unit are

(b) the minimum requirements for a continuous foam unit are

(c) firefighting equipment must meet the requirements of NFPA 10, Portable Fire Extinguishers, current edition, or other similar standard acceptable to the board.

(2) The air in the alcohol injection system shall be bled down to atmospheric pressure before opening an air operating system to inject alcohol.

(3) Where an air-opening system supplies air for breathing purposes, the alcohol injection system shall be isolated, the system purged of old air, and the air purifying system placed between existing piping and workers using the breathing system.

(a) be designed, constructed and maintained to safely withstand the anticipated maximum internal pressures and external loads,

(b) be restrained from undue horizontal, vertical or swinging motion, and

(c) meet the applicable requirements of the following standards:

(2) Quick connect fittings shall be identified or have reliable hardware controls to ensure connection only to the correct service.

(3) Quick connect fittings for breathing air service shall be different from, and not compatible with, connection to any other service.

(4) Temporary piping and hose systems for hazardous fluids shall be protected from damage.

(2) A quick closing type valve shall not be used on the discharge line of a positive displacement pump.

(3) A positive displacement pump shall be protected against freezing.

(4) A pressure relief device shall be installed on the discharge side of a positive displacement pump, and no valve shall be installed between them.

(2) A pressure relief device shall be used to protect a pressurised system, including any lines running from the output side of a pressure relief device that may be subject to an accidental restriction.

(2) Any fluid or material discharged through a pressure relief device shall be piped to a place where it will not endanger workers.

(3) The diameter of piping connected to the pressure side and the discharge side of a pressure relief device shall not be smaller than the diameter of the openings of the device.

(4) The piping on the discharge side of a pressure relief device shall be

(5) A pressure relief device that requires block valves by engineering design shall have the block valves locked in the appropriate position.

(6) A shear pin used in a pressure relief device shall be of a design and strength specified by the device manufacturer.

(7) A guard shall be installed around the shear pin and spindle of a pressure relief device.

(8) No valve shall be installed in a discharge opening or pipe on a pressure relief device.

(3) Pipes or tubular goods shall be restrained from uncontrolled movement.

(a) the mast contacting power lines or other overhead obstructions, or

(b) the equipment losing stability.

(2) The engine-stopping device shall be clearly identified and be within reach of the drill operator from the drilling position.

(4) Two workers shall be present on the same shot hole while drilling.

(3) The inspection and repair log shall be available on site for review by an officer.

(5) Lifting points shall be clearly marked on each mast section of the derrick.

(2) When removing a blow-out preventer, two opposing anchor lines shall remain in position until

(a) all guards are in place,

(b) all platforms, stairways, and handrails are installed and securely fastened,

(c) the escape line, anchors and safety buggy are installed and inspected, and

(d) all connecting pins are secured against dislodgement.

(a) provides a ready means of escape from the fourble board,

(b) consists of a wire rope not less than 0.013 m (1/2 in.) diameter,

(c) has length twice the vertical distance between the ground and the point at which it is attached to the derrick,

(d) is effectively anchored and able to withstand a load of 13.3 kN (3000 lbs.), and

(e) is kept free of obstructions.

(2) A safety buggy with a braking device shall be installed and operated on the escape line in accordance with manufacturer's specifications.

(3) The safety buggy shall be

(4) The escape line shall be properly installed so that a worker seated in the safety buggy will touch the ground at a safe distance from the derrick, more than 6 m (20 ft.) from the ground-level anchor.

(2) The function of each draw works control shall be clearly identified.

(3) Before putting the draw works in motion, the worker in charge of the draw works shall ensure that all other workers are clear of the machinery and lines.

(2) The person signalling shall ensure that workers are clear of the path of vehicle, load and load line.

(2) Where a tank contains or may contain a fluid with hydrogen sulphide as a component, it shall have an external means of gauging its contents.

(3) Where manual gauging or sampling is required, the worker involved in the gauging or sampling operation shall

(2) A wooden stabbing board shall

(3) A metal platform shall be at least of equal width and strength when used in place of a wooden stabbing board.

(4) At the stabbing board, a personal fall protection system shall be attached to

(2) When erecting, maintaining or dismantling derrick enclosures

(3) Workers shall not straddle or climb on to a pre-fabricated wall panel during erection, maintenance or dismantling of the derrick enclosures, unless they are belted to a secured section of the prefab.

(4) Safe exits shall be provided directly to the outside on each of at least three sides of the derrick floor enclosure.

(5) The pump house enclosure shall have at least two doors opening to the outside and located on the different sides of the building.

(6) Exit doors of a derrick enclosure and the doors of the doghouse shall

(2) Where it is not practicable to provide openings as specified in subsection (1)(a), several openings shall be made providing a total area of at least 4.5 sq. m (50 sq. ft.) on each side.

(3) Where mechanical ventilation is used

(4) During cold weather, ventilation procedures shall not compromise the well control systems.

(2) If a pit or tank is enclosed, adequate mechanical ventilation shall be provided to remove the contaminants.

(2) A personal fall arrest system shall be used in place of a ladder safety system,

(3) Ladder platforms shall be located as follows

(4) The platforms required by subsection (3) shall be, as far as practicable, equally spaced, but not more than 9 m (30 ft.) apart.

(5) The derrick floor and all stairways, ladders, ramps, catwalks and platforms shall be kept free of obstructions that may hinder or prevent the exit of workers.

(2) The catwalk shall be provided with a stairway at the outer end.

(2) Guardrails shall be installed on

(3) Wire rope of not less than 0.01 m (3/8 in.) diameter or chain of equivalent strength that is substituted for guardrails on mud tank walkways shall be rigged and maintained at the required height and kept taut.

(4) Floor openings, elevated walkways and platforms shall have toeboards meeting the requirements of Part 1 - General.

(2) Where a travelling block is being used on a rig, an upward travel limiting device shall be provided to prevent the travelling block from contacting the crown block or structure.

(3) The upward travel limiting device required by subsection (2) shall

(4) A travelling block hook to which equipment is directly or indirectly attached shall be equipped with a safety latch or a wire rope safety line.

(5) Where bumper blocks are attached to the underside of the crown beams on a rig, a safety cable or equivalent shall be

(2) In an emergency, an injured worker shall only be lowered from the derrick by means of the travelling block or a tugger after the rotary table is stopped and a qualified person operates the controls.

(2) The wire rope safety line shall not be less than 0.016 m (5/8 in.) in diameter and be of sufficient length to prevent the counterweight from coming within 2.4 m (8 ft.) of the rig floor.

(2) When a weight load indicator is hung above the floor, it shall be secured by a wire rope or chain safety line.

(2) Before drill pipe, drill collar, tubing or casing is run in a well bore, it shall be free from ice plugs or other obstructions.

(3) Except while being moved, drill pipes, collars, tubing, casing and rods racked in a derrick shall be secured at the top end by means of tieback ropes or equivalent devices to prevent them from falling out of or across the derrick.

(a) a primary safety device to prevent uncontrolled movement of the tongs, and

(b) a secondary safety device that will activate if the primary device fails.

(2) Hoses, lines or chains shall not be operated or handled near a rotary table in motion.

(3) The rotary table shall not be engaged until all workers are clear of the rotary table.

(4) Rotary table motion shall not be used for the final make up or initial breaking out of a pipe connection.

(2) Derrick guylines and ground anchors shall be installed according to the requirements of

(3) Permanent ground anchors shall be designed and installed so they are effective all year round.

(4) Temporary ground anchors shall be pull tested before initial use and, if they continue to be used, tested annually and whenever they may have been affected by seasonal changes.

(5) The manufacturer's specifications for the correct number of guylines and spacing shall be legibly marked on a plate affixed to the derrick, or on a specification sheet posted at the rig.

(6) Documentation shall be available on site showing that the ground anchors meet the requirements of this section, and the documentation shall be signed by the person responsible for the adequacy of the anchors.

(2) The hydrogen sulphide monitor shall be

(a) auxiliary lighting providing a minimum illumination of 54 lux (5 fc) measured 0.5 m (20 in.) above the travelled surface shall be provided,

(b) any lighting on a rig that is not explosion-proof shall be turned off,

(c) a sandline depthometer shall be used to supplement the sandline flags,

(d) the sandline flags shall be illuminated and acid resistant,

(e) illuminated wind direction indicators shall be placed at appropriate locations around the site, and

(f) a well site supervisor shall remain on site at all times.

(2) Fluids used in or resulting from swabbing shall be piped directly through a degasser to a battery, skid tank, mobile trailer tank or tank truck located 50 m (165 ft.) or more from the well bore.

(3) Where fluids used in or resulting from swabbing are being piped into a tank truck, the tank truck engine shall be shut off and the driver shall not remain in the truck cab.

(b) the tank truck shall be located on the far side of the rig tank from the well bore and at a distance 6 m (20 ft.) from the rig tank during loading and unloading.

(2) A quality assurance program shall be developed and implemented to ensure the integrity of the piping system.

(3) The quality assurance program shall include routine inspections, nondestructive testing, identification of the piping components, and piping specifications that meet the service application.

(4) Where swivel joints are used in the piping system, the source and discharge end of the piping system shall be secured in a manner that prohibits whipping or flailing of the pipe in the event of separation of the pipe from the source or discharge end.

(5) Where swivel joints or hoses are used in well stimulation and similar operations, except well testing, the piping system shall be secured at the well head and supply vehicle or pumping unit end with wire rope safety lines not less than 0.011 m (7/16 in.) diameter, or with chains of equal strength.

(6) Flow-back lines shall be anchored and restrained.

(7) Where a system of piping and swivel joints with a pressure greater than 2000 kPa (300 psi) is used in well stimulation and similar operations, except well testing

(8) In a flow piping system exceeding 3500 kPa (500 psi)

(9) A piping system shall be completely depressurised before leaking connections or fittings are attended to.

(10) Hammering on a pressurised system shall not be permitted.

(11) Welding of high pressure pipes or fittings shall be done in accordance with the manufacturer's specifications and instructions.

(12) Where liquid carbon dioxide or other liquefied gas is used for well stimulation, the valve controls of the supply unit shall be on the side opposite to the pipe supplying the liquefied gas.

(2) A check valve shall be installed at the well head end of the piping.

(3) A bleed-off valve shall be installed between the check valve and the well head.

(2) Before commencing well testing flowback operation, flow line piping, valves and fittings from the well head to the first pressure control choke shall be hydraulically pressure tested to a pressure more than 10% above the maximum anticipated shut-in pressure as determined by the well owner.

(4) Documentation of the testing shall be available at the workplace for inspection by an officer.

(5) Air shall be purged from the piping system before pressurizing low flash point hydrocarbons.

(a) before work is performed within the vessel, and

(b) during treater refilling operations.

(2) Workers shall not enter a diked area unless

(3) Testing shall be done for hydrogen sulphide before entry to any diked area where sour fluid is stored.

(2) The ground conductor required by subsection (1) shall remain bonded and grounded until all other connections have been removed.

(3) Servicing or maintenance shall not be carried out on a tank truck when loading or unloading hydrocarbons except for required greasing of the pump.

(4) Chocks shall be used to secure a tank truck while loading and unloading hydrocarbons.

(5) Other vehicles shall not be started or shut off within 8 m (25 ft.) of a tank truck containing flammable vaporizing liquids while it is being connected or disconnected.

(6) When a tank truck is being loaded through a dome hatch and it is necessary to observe the fluid level

(a) written safe work procedures shall be provided for and followed by the operator,

(b) the truck shall be fitted with a pressure relief valve, regulator, pressure gauge and a mechanism for quickly shutting off supply to the tank, and

(c) controls shall be readily accessible to the operator.

(2) Snipes or extensions shall not be applied to valve or pipe wrenches, except by design.

(2) Where a lifeline is not used, two workers shall be

(2) Gas sample containers shall be used in accordance with CSA Standard B340-88, Cylinders, Spheres, and Tubes, and Other Containers for the Transportation of Dangerous Goods, Class 2, or other similar standard acceptable to the board.

(2) Valves shall be screwed directly into gas sample containers.

(3) Plugs shall be used in the gas sample container valves.