0109?
?????????2000????????????????????????????????2018?????±仯????????????嵽棬???????????????ɡ

?????????Ρ??20002008???????У2000?WTI??30.3?/?2008??100?/?м?гμ??20082011???????VΣ20088??μ??????????Σ?Σ???Σ???????д???羭y???????2009?????2011???20112014У??????????в??WTI?????????100?/??WTI??100?/??????????ε??????????????Σ?2014????γ??μ???λ???????????2000??????·档

????????????2010????V?WM??20002008???????????2008Σ???????2008?????700?2010?640??????32014950?2014?μ????δ?2016???400????2014??????????????2014???仯?????????????λ????????????20%??λ???10%???????????????????

????????????????2???Ρ?÷????繲???????2014??????Σ???????2014?μ??????????????6000???20082013???????6000????80?60??2016?10?????????????????????????(??6000)???????WM?20102013???35%45%??2014?30%35%??????????????á??????п??????????????????ò???

??????????????緶Χ???????????????????????2017???й??????е???????г???в?????п?δ??????????????500?/??????????緢????????Щ???????????y????γ??????????????????С??????????￠?λ????????????

???2018????±仯????????????????Щ????????????????????????????????????嵽棬?????????????????δ??????????????????????????????￡???????????棬????????????????????????ɡ??????????????????????????????????????????????????е????????????ο??????γ?????????

(?й???)