 鲜花( 10)  鸡蛋( 0)
|
http://www.fortmcmurraytoday.com ... -and-pipeline-spill
- h- }& ~) Q( l2 N L; [8 ?Nexen 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.# g P' P6 Z+ ~" x5 z
. ~" F: k( T/ q- j# Z, yThe 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, 2016.2 _9 Z+ @4 ^! [' V' i4 a7 r
1 ~2 Y: J( f4 N% s( C9 h6 E) WThe 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.
: r) ^8 S' G) T5 j, }7 c
& ]6 t+ Y" d3 l& c4 o) [An internal investigation found the explosion was a result of work being performed that was "outside of the scope of approved work activities."
2 q5 _: \& X/ X0 F4 h- O% v% D6 D% c) _' t1 \
The 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.
: s2 \2 T/ Z; ~1 x- _* a5 i! U3 Y9 O; l. L: _6 X
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. 9 i: y5 M7 j+ V: B- k
" m$ H4 X2 r, PThe 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.
/ O& R* x7 f: T7 g: j5 j+ O! w7 h+ h. x# P2 W1 i( a# a( v
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.5 }$ J5 c" s4 e& T) W
2 f- X; T* s0 O: {( {# NNexen 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."
* t3 s5 h: c: H5 K- ~
; v" N" ~% ]3 {( P7 cThis 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. 9 X) M2 I5 U5 `6 y1 R# ?+ v
) I4 t; ?; d- [: A
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.
! m( {, N) Z0 m' q
' U, k1 p8 n# g- e3 g( {6 [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.
% m4 N9 A! U3 S5 V
5 M# }- e+ p7 o7 |' u- 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
