25 Pa. Code § 78.71 - Use of safety devices-well casing
(a)
The operator shall equip the well with one or more strings of casing of
sufficient cemented length and strength to attach proper well control equipment
and prevent blowouts, explosions, fires and casing failures during
installation, completion and operation.
(b) The operator shall determine the amount
and type of casing to be run and the amount and type of cement to be used in
accordance with current prudent industry practices and engineering. In making
the determinations, the operator shall consider the following:
(1) Successful local practices for similar
wells.
(2) Maximum anticipated
surface pressure.
(3) Collapse
resistance.
(4) Tensile
strength.
(5) Chemical
environment.
(6) Potential
mechanical damage.
(7)
Manufacturing standards, including American Petroleum Institute or equivalent
specifications for pipe used in wells drilled below the Onondaga formation or
where blow-out preventers are required.
Notes
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