 鲜花( 10)  鸡蛋( 0)
|
http://www.fortmcmurraytoday.com ... -and-pipeline-spill
, x/ e& X, f3 pNexen 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.* O$ ?* f# j4 k
" w9 B9 _( e6 _. K5 nThe 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., b6 X7 }$ v; n; u! ?. a. U
! g3 s% U' k" t6 `3 ]9 c; ?, GThe 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.
( p# r* p, F/ w* I/ w: U0 ? w
9 C- {+ _$ g6 kAn internal investigation found the explosion was a result of work being performed that was "outside of the scope of approved work activities."
9 B8 @" G" x' A7 |
+ L2 g- W( {4 j+ \( ?. VThe 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.
( I) P8 _1 _+ [9 z; L3 V0 ~ J p6 F, u, k1 b
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. " j" |4 ^) d/ x; L9 r$ G6 l
& f- m2 H8 ~8 f$ O5 y4 _% X! f" qThe 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. ; C7 m8 B, T8 \, _5 u
( {7 \' H0 m' M/ j3 g6 h, g
The 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.
) v6 }7 s7 _# L+ Z$ M/ \7 Y( u6 a
, ^6 Y: U x* S9 |( W' H+ Z* [1 }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.", O& n, p8 ]# {" M# I( \: P
* L0 j* N. R- z
This 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.
+ I- C6 d. o' d& D/ w: A( m/ [
; _2 m% W* x1 ~* C# U' xThe 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. ! D7 ?; ~, d% t m* m
7 A0 O: V: a' p! C( ~
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.
! d0 I: W5 j% B" v6 F# K
/ K' k; g! o8 `) X8 m2 T7 ^- 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
