▁m ▁maximum ▁in ▁the ▁east . ▁Vis c ous ▁oil ▁from ▁the ▁top ▁of ▁the ▁tar ▁mat ▁has ▁a ▁mean ▁gravity ▁of ▁ 2 4 ° - 2 5 ° ▁API , ▁a ▁pour ▁point ▁of ▁about ▁ 7 1   ° C , ▁w ax ▁content ▁of ▁ 1 5 %, ▁and ▁an ▁as phal ten e ▁content ▁of ▁ 1 4 - 2 2 %. ▁ ▁T error ▁Activity ▁Output ▁from ▁El ▁Sar rir ▁field ▁was ▁shut ▁in ▁after ▁a ▁bomb ▁attack ▁on ▁February ▁ 1 6 ▁dam aged ▁the ▁field ’ s ▁pipeline ▁to ▁Lib ya ’ s ▁only ▁operating ▁land ▁based ▁oil ▁port . ▁ ▁See ▁also ▁ ▁United ▁States ▁Ge ological ▁Survey ▁ ▁Notes ▁ ▁References ▁▁ ▁C . J ▁Lewis ▁( 1 9 9 0 ) ▁Sar ir ▁Field : ▁Sir te ▁Bas in , ▁Lib ya ▁ ▁Energy ▁Information ▁Administration ▁( 2 0 0 7 ) ▁Lib ya : ▁Country ▁Analysis ▁Br ief ▁ ▁World ▁Bank ▁( 2 0 0 6 ), ▁Lib yan ▁Arab ▁Jam ah iri ya : ▁Econom ic ▁Report , ▁Social ▁& ▁Econom ic ▁Development ▁Group : ▁M EN A ▁Region ▁ ▁P . ▁M ob bs ▁( 2 0 0 2 ) ▁Min eral ▁Indust ry ▁of ▁Lib ya ▁ ▁P . ▁M ob bs ▁( 2 0 0 0 ) ▁Min eral ▁Indust ry ▁of ▁Lib ya ▁ ▁Thomas ▁A hl brand t ▁( 2 0 0 1 ) ▁The ▁Sir te ▁Bas in ▁Province ▁of ▁Lib ya : ▁Sir