/Users/andrea/_magisterarbeit/korpus/clean/testkorpus/28/file7.html NN ----------------------------------------- : The DT World's NP Endowment NP of IN Conventional JJ Oil NN and CC its PP$ Depletion NN Overview NN . SENT . SENT . SENT as RB of IN end NN 1999 CD . SENT . SENT . SENT Produced VVN 820 CD Reserves NNS 827 RB Discovered VVN 1647 CD Yet CC to TO find VV 153 CD Yet RB to TO produce VV 980 CD Ultimate NP 1800 CD Depletion NN rate NN 2 CD . SENT 2 CD yr NN Depletion NN midpoint NN 2003 CD Estimates NNS Made VVN in IN Prior RB Years NNS The DT assessment NN of IN the DT world's JJ oil NN endowment NN is VBZ a DT sensitive JJ subject NN with IN political JJ implications NNS and CC many JJ vested JJ interests NNS . SENT Some DT published VVN reserve NN numbers NNS are VBP spurious JJ , , and CC lax JJ definition NN has VHZ led VVN to TO misconceptions NNS . SENT Study NN of IN the DT world's JJ oil NN endowment NN involves VVZ the DT elements NNS listed VVN in IN the DT table NN . SENT Reserves NNS are VBP defined VVN as IN Median JJ Probability NN reserves NNS in IN which WDT the DT risks NNS of IN the DT estimate NN proving VVG above IN or CC below IN the DT actual JJ are VBP evenly RB matched VVN . SENT They PP are VBP about RB 180 CD Gb NN below IN published VVN reserves NNS , , which WDT in IN many JJ cases NNS include VVP the DT above RB mentioned VVN spurious JJ numbers NNS . SENT The DT numbers NNS refer VVP to TO Conventional JJ oil NN , , namely RB that IN which WDT has VHZ supplied VVN more JJR than IN 95 CD of IN all DT oil NN to TO date NN and CC which WDT will MD continue VV to TO dominate VV supply NN until IN well RB after IN peak NN , , much RB of IN it PP free VVP flowing VVG from IN giant JJ fields NNS found VVD long RB ago RB . SENT The DT estimate NN of IN Yet RB to IN Find VVP takes VVZ into IN account NN discovery NN rates NNS and CC the DT results NNS of IN exploration NN drilling NN . SENT It PP also RB recognizes VVZ that IN the DT world NN has VHZ now RB been VBN thoroughly RB explored VVN , , meaning VVG that IN few JJ , , if IN any DT , , major JJ new JJ provinces NNS await VVP discovery NN . SENT Adding VVG 500 CD Gb NN to TO the DT Ultimate NP , , which WDT is VBZ itself PP implausible JJ given VVN the DT time NN and CC number NN of IN wells NNS required VVN on IN present JJ trends NNS , , would MD delay VV the DT midpoint NN of IN depletion NN , , which WDT approximates VVZ to TO the DT peak NN , , by IN only RB ten CD years NNS . SENT About IN half PDT the DT Yet RB to TO Produce VV lies NNS in IN just RB five CD Middle NP East NP countries NNS . SENT Their PP$ share NN of IN world NN production NN has VHZ risen VVN from IN a DT low NN of IN 16 CD in IN 1985 CD to TO 27 CD in IN 1996 CD , , and CC is VBZ set VVN to TO continue VV to TO rise VV in IN the DT absence NN of IN any DT new JJ major JJ province NN . SENT The DT rising VVG share NN will MD give VV an DT increasing VVG control NN of IN the DT market NN that WDT is VBZ expected VVN to TO lead VV to TO a DT radical JJ increase NN in IN oil NN price NN before IN the DT world NN midpoint NN of IN depletion NN is VBZ reached VVN . SENT In IN any DT event NN , , by IN the DT end NN of IN the DT first JJ decade NN of IN the DT 21 CD st NP Century NP , , production NN will MD have VH commenced VVD its PP$ inevitable JJ long JJ term NN decline NN from IN resource NN constraints NNS . SENT Gas NN and CC non JJ conventional JJ oil NN output NN will MD increase VV after IN peak NN , , but CC it PP will MD not RB be VB a DT seamless JJ transition NN dut NN to TO the DT very RB different JJ characteristics NNS and CC depletion NN profiles NNS of IN these DT hydrocarbons NNS . SENT comments NNS by IN C NP . SENT J NP . SENT Cambell NP , , October NP , , 1997 CD 1997 CD October NP