Section R. 299.2489 - Servicing; requirementsRule 2489. Before beginning an operation that requires removing the seal between the tubing and production casing, a permittee of a well shall meet all of the following requirements:
(a) Blowout prevention equipment shall be sized to accommodate the tubing and rework drill pipe shall be installed and tested.(b) Primary and secondary briefing areas shall be established.(c) The same safety equipment that is required under R 299.2304(a) is required. Safety equipment shall be located at the upwind briefing areas. The supervisor of mineral wells or authorized representative of the supervisor of mineral wells may require the use of safety equipment, in addition to the equipment listed in R 299.2304(a), if the equipment is necessary for public safety.(d) An electric or mechanical fan shall be located at the well site. The fan shall be operated constantly during the operation to keep the wellhead area free from gas if natural ventilation is inadequate.(e) A hydrogen sulfide detection and warning system shall be installed and have the detector located downwind from the well or in the direction in which the fan is blowing. The detection and warning system shall activate visual alarms if a hydrogen sulfide concentration of 11 ppm is detected. Audible alarms shall be activated if a hydrogen sulfide concentration of 20 ppm is detected.(f) Signs that have the word "danger" or "caution" followed by the words "poison gas" shall be installed at the entrances of all access roads.(g) The supervisor of mineral wells or authorized representative of the supervisor of mineral wells shall be notified before the start of servicing operations.(h) A revised and updated contingency plan shall be at the well site and shall be reviewed with all workers.Mich. Admin. Code R. 299.2489