053-9 Wyo. Code R. §§ 9-3 - Nitrogen Pumping
(a) Nitrogen
vaporizing units shall be spotted upwind or crosswind of the well.
(b) A shutoff (plug) valve and two (2) check
valves shall be installed on a nitrogen line upstream of a commingling tee or
manifold.
(c) A shutoff (plug) and
a check valve shall be installed on a liquid line upstream of a commingling tee
or manifold.
(d) Two (2) shutoff
(plug) valves and a choke valve shall be installed on the release line with the
shutoff valves located upstream of the choke valve.
(e) A check valve shall be installed in the
fluid line immediately upstream of the nitrogen connection to that
line.
(f) When the nitrogen is
being mixed with fluid, the nitrogen and fluid lines shall be teed together as
closely to the well head as possible.
(g) When nitrogen line is connected directly
to the wellhead, all well head connections shall be inspected to insure they
meet or exceed the anticipated working pressure.
(h) The discharge manifold shall be staked or
anchored in such a manner that manifold movement is limited in the event of a
connection failure.
(i) Liquid
lines shall be pressure tested with liquid only.
(j) Nitrogen lines shall be pressure tested
with nitrogen only. This shall be a leak test only.
(k) No manifold shall be pressure tested with
nitrogen at a pressure above its normal working pressure.
Notes
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