In +ine it St&nd&rd Pr&ctices4 dr in) &nd
nitro)en pur)in) &cti%ities s &++ $e c&rried outon t e
ne + inst&++ed G&s p+&nt pipe+ines &!ter success!u+
dro5testin) o! e&cco"p+eted pipe+ine section4 in order to reduc
e t e i nit i&+ &t er con ten t4 preser%et e pipe+ine !ro"
possi$+e n&tur&+ )&s 6 &ir co"$ustion or corrosion
&s & resu+t o! t etest &ter.
T is is usu&++ c&rried out p&r&++e+ to de
&terin) it t e &id o! +o densit $&re !o&"pi)s
&nd $i5direction&+ se&+in) pi)s dri%en it co"pressed dr
&ir &nd dr nitro)en in &contro++ed process &s to
&++o & continuous &ter &nd o7 )en re"o%&+
oper&tion.
2.0 Purpose
T e purpose o! t is procedure is to ensure t &t &++ dr
in) &nd nitro)en inertin) oper&tion!or t e )&s
p+&nt Pipe+ines &re c&rried out in &ccord&nce
it t e &pp+ic&$+eSpeci!ic&tions &nd CO8PANY9s
re:uire"ents.
3.0 Scope
T is docu"ent s &++ &pp+ to &++ t e pipe+ine dr in)
&nd nitro)en &cti%ities t &t i++ $ec&rried out on t
e So;u 6 Ne S&n$&rt e+o"e "&ni!o+d pipe+ines Pro
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T e or)&ni*&tion t &t s &++ $e responsi$+e !or t
e e7ecution o! t is docu"ent s &++$e &s descri$ed $e+o
A T3e Pro
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p&ssin) &n &ir %o+u"e e:ui%&+ent to t &t o!
t e pipe t rou) t e pipe+ine &t t e+o est possi$+e pressure
&nd "onitorin) t e de point o! t e &ir disc &r)e. T e
out!+o in) &ir s &++ $e &t & de point +e%e+ e++
&$o%e 520oC to ensure t &t &
o"o)eneous 520 oC de point "i) t $e &ssured.Upon co"p+etion
o! t e so&; test4 Dr Nitro)en is in
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Good ouse;eepin) s &++ $e "&int&ined &t &++
ti"es4 to ensure proper contro+ &nd"&n&)e"ent o!
resu+t&nt &ste !ro" t e i"p+e"ent&tion o! t e docu"ent.
H&ste"&n&)e"ent s &++ $e in &ccord&nce it t
e pro
