
mangiya sthaanam

reflection seismologyil, hydrocarbonukalude saannidhyam soochippikkaan kazhiyunna oru praadeshika thaazhnna-amplitude bhookamba attribute anomaliyanu mangiya spott, athinaal ithu direct hydrocarbon indikkettar ennariyappedunnu. oru hydrocarbon (kuranja shabda impedensulla) oru sheyil (moonninteyum ettavum kuranja shabda impedensulla) vellachaattathin adivarayidunna uppuneer-pooritha mekhalaye (uyarnna shabda impedensulla) maattisthaapikkumbol, prathiphalana gunakam kurayunna shabda impedence kontraasttile kuravaanu ithu praadhamikamaayi falamaakkunnathu.
sambhavam.
oru mangiya sthaanam sambhavikkunnathin, jala manalinekkaalum enna/vathaka manalinekkaalum kuranja shabda impedence shelinu undaayirikkanam, ithu oru thelichamulla sthaanam sambhavikkunnathin aavashyamaaya vipareeta saahacharyamaan. ithu saadhyamaan, kaaranam kompaakshan manalinteyum shellukaludeyum shabda impedensukal praayathinanusarichu vardhippikkaan kaaranamaakunnu, pakshe athu orupole sambhavikkunnilla-cheruppamulla shellukalkk cheruppamulla manalinekkaal uyarnna shabda impedence undu, ennaal ithu aazhathil vipareethamaakunnu, pazhaya shellukalkk pazhaya manalinekkaal kuranja shabda impedence undu.
thilangunna paadukalkku samaanamaayi, ellah mangiya paadukalum hydrocarbonukalude saannidhyam moolamalla undaakunnath, athinaal avaa hydrocarbon adinjukoodunnathinte nirnnayaka thelivaayi kanakkaakkaruth.