 鲜花( 10)  鸡蛋( 0)
|
http://www.fortmcmurraytoday.com ... -and-pipeline-spill
M2 v( h: n: r) ?/ n) ?) YNexen Energy will lay off about 350 workers from its Long Lake facility, following its release of results of internal investigations into a July 2015 pipeline spill and the January 2016 hydrocracker explosion.; a1 A( J- ^' H1 D6 t
/ b! O" R& Y* P1 ~, eThe CNOOC-owned energy company will only be continuing its steam-assisted gravity drainage (SAGD) operations at Long Lake, after it determined a short-term repair was not possible for the hydrocracker unit, which killed two employees when it exploded on Jan. 15, 2016.
* Z( M/ M& S# u" R5 V& J* c) S: A* l
" H2 o( T1 o; S) m9 y4 m: o, oThe facility's upgrader has been idling since then, and will be moved into winter preservation, with no estimation of when it will be brought back into service.
0 N9 z; l6 i8 V% ~: ^# ]. L
; g4 Q- \' A- o T9 ]- ]An internal investigation found the explosion was a result of work being performed that was "outside of the scope of approved work activities."; A7 m% L4 b0 n1 }; i! t1 A
" R: L; S* ?' A5 I! B6 OThe two employees killed, both Fort McMurray residents, were 52-year-old Drew Foster and 30-year-old Dave Williams. Foster was killed in the explosion. Williams, who was flown to the University of Alberta Hospital's burn unit hours after the explosion, died a week later. ! N8 _2 d; N& n! @
/ P* @7 X+ }0 p- _In its announcement Nexen said it is addressing safety gaps in part with refresher training on workplace hazard identification, increased site supervision and safety inspections.
0 ^* ?& A( ^, x+ J3 C+ C* N
4 } U% u L/ L# aThe decision to move to a SAGD-only operation was described as "entirely economic," and will result in about 350 staff layoffs, most of which will be completed by the end of 2016. 9 Y {! c& W, D, y' _& e& Z, s
" [) g* x6 v+ A5 T* CThe results of the investigations were given at a news conference on Tuesday by Nexen CEO Fang Zhi and Senior Vice President of Canadian Operation Ron Bailey.
# j1 G* T2 c* G( [$ X# U- Q! p& J* m7 Z
Nexen also said it found the root cause of a July 2015 emulsion spill at Long Lake to be a "thermally-driven upheaval buckling of the pipeline, and the subsequent cooldown during the turnaround."
. z; s4 w8 m/ q# W% d6 r
- j' q. i- ^8 G J C2 r2 u j. dThis was caused because of pipeline design incompatible with the muskeg ground conditions, and steps that could have been taken to mitigate the potential for buckling were not addressed.
7 {( @. u9 Y( O: R+ Y: S1 m" Y/ W; o# x# _0 W2 D W$ h
The spill poured up to five million litres of emulsion - a mixture of water, bitumen and sand - into surrounding muskeg. The spill may have been ongoing for up to two weeks when it was discovered in July 2015 by a contractor walking through the area.
' W9 Y% ]3 l9 E$ v" a/ \! |/ H" _6 u8 I! \1 S1 }. v, p+ ` ~+ {+ F) Z
In August the Alberta Energy Regulator ordered Nexen to shut down 95 pipelines until the company could prove the pipelines could be operated responsibly. The suspension was lifted in September 2015.
; j( i- |$ \$ q/ O F
+ c; ]* P2 t( ]$ @0 u5 ?- with files from Vincent McDermott |
|
狗仔卡
发表于 2016-7-12 18:01
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
显身卡
