R 408.15761
R 408.15761 Stripping and snubbing.
Cite as Mich. Admin. Code R 408.15761
Rule 5761. (1) Stripping a well shall be performed under close surveillance
by a responsible supervisor.
(2) An emergency escape system shall be provided and available for
employees working atop hydraulic snubbing equipment.
(3) Before commencing snubbing operations, the snubbing tower shall be
properly guyed if not otherwise supported.
(4) Flow lines or bleed-off lines shall be located, if possible, away from areas
frequented by employees, such as doghouses, tool boxes, pumps, and power packs. If
pressurized, a line shall be secured to prevent whipping if the line ruptures.
(5) Two-way communications shall be provided between the snubbing
operator and the pump operator. This may be accomplished by hand signals, voice
communication, or other equally effective means.
(6) Well surface pressure shall be monitored at all times during stripping and
snubbing operations.
(7) Pipe snubbed into the wellbore shall have at least 1 landing nipple near the
lower end of the pipe string to receive a back pressure valve or blanking plug.
(8) Snubbing operations shall not be performed while welding is being done in
the immediate vicinity of the wellhead.
(9) All employees involved in stripping or snubbing operations shall be informed
of the maximum working pressure limit of the equipment.