1 6 ▁August ▁ 1 9 8 4 . ▁Following ▁the ▁disag greg ation ▁of ▁SE C WA ▁in ▁ 1 9 9 5 , ▁the ▁pipeline ▁came ▁under ▁the ▁ownership ▁and ▁control ▁of ▁the ▁government ' s ▁gas ▁utility , ▁Al inta G as . ▁As ▁part ▁of ▁a ▁government ▁policy ▁of ▁priv at isation , ▁Al inta ▁sold ▁the ▁pipeline ▁in ▁ 1 9 9 8 ▁to ▁Ep ic ▁Energy , ▁a ▁cons ort ium ▁of ▁two ▁U . S . ▁pipeline ▁companies ▁( al ong ▁with ▁three ▁Australian ▁institution al ▁share hold ers ) ▁at ▁a ▁price ▁of ▁A $ 2 . 4 0 7   b ill ion . ▁ ▁Ep ic ▁Energy ▁owned ▁and ▁operated ▁the ▁pipeline ▁for ▁six ▁years , ▁eventually ▁s elling ▁the ▁pipeline ▁in ▁October ▁ 2 0 0 4 ▁to ▁D amp ier ▁Bun bury ▁P ipeline ▁( DB P ) ▁Ltd , ▁which ▁is ▁the ▁trad ing ▁name ▁of ▁the ▁DB NG P ▁group ▁of ▁companies . ▁DB P ▁had ▁two ▁institution al ▁share hold ers : ▁D . U . E . T . ▁( D ivers ified ▁Util ities ▁and ▁Energy ▁Trust s )( 8 0 %) ▁and ▁Al co a ▁( 2 0 %) ▁up ▁until ▁ 2 0 1 7 . ▁ ▁The ▁DB NG P ▁is ▁currently ▁owned ▁and ▁operated ▁by ▁D amp ier ▁Bun bury ▁P ipeline ▁( DB P ), ▁part ▁of ▁the ▁Australian ▁Gas ▁In frastr ucture ▁Group ▁( AG IG ), ▁Australian ▁Gas ▁In