?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=+%0D%0A%0D%0APRE+STACK+DEPTH+MIGRATION+UNTUK+KOREKSI+EFEK%0D%0APULL+UP+DENGAN+MENGGUNAKAN+METODE+HORIZON+%0D%0ABASED+DEPTH+TOMOGRAPHY+PADA+LAPANGAN+%E2%80%98A1+DAN%0D%0AA2%E2%80%99+%0D%0A+&rft.creator=ATIKAH+AZZAHRA%2C+1315051008&rft.subject=Teknologi+(General)&rft.description=Pada+kasus+pengolahan+data+seismik+dengan+litologi+batu+pasir+seperti+shale+dan+%0D%0Akarbonat+sering+sekali+didapatkan+hasil+pengolahan+data+yang+memiliki+efek++pull%0D%0Aup+terutama+pada+hasil+migrasi+domain+waktu.+Pre+stack+depth+migration+%0D%0Amerupakan+pengolahan+yang+berdasarkan+focusing+amplitudo+sesuai++dengan%0D%0Akedalaman+yang+sebenarnya+dengan+menggunakan+input+kecepatan+interval.%0D%0AMigrasi+yang+dilakukan+menggunakan+algoritma+kirchhoff+pre+stack+depth%0D%0Amigration.+Pre+stack+depth+migration+yang+dilakukan+dilengkapi+dengan%0D%0Apemodelan+kecepata+berupa+metode+horizon+based+depth+tomography.+Metode+ini%0D%0Amenggunakan+koreksi+residual+moveout+yang+diterapkan+sepanjang+garis+hasil%0D%0Apicking+interpretasi+horizon.+Penelitian+ini+menggunakan+dua+data+lapangan+yaitu%0D%0Alapangan+A1+dan+A2.+Lapangan+A1+memiliki+karakteristik+batuan+karbonat+yang%0D%0Amenghasilkan++pull+up+berbentuk+mirip+dengan+lapisan+karbonat.+Lapangan+A2%0D%0Amemiliki+efek+pull+up+yang+tidak+terlalu+jelas+namun+mengalami+build+up+karena%0D%0Alapisan+diatasnya.+Tahapan+%E2%80%93+tahapan+yang+dilakukan+dimulai+dari+pengolahan+pre%0D%0Astack+time+migration+berupa+picking+kecepatan%2C+menghasilkan+kecepatan+rms+dan%0D%0Amelakukan+migrasi+domain+time.+Proses+pre+stack+depth+migration+diawali+dengan%0D%0Atransformasi+kecepatan+dengan+persamaan+transformasi+dix+untuk+menghasilkan%0D%0Akecepatan+interval%2C+melakukan+migrasi+Pre+stack+depth+migration%2C+melakukan%0D%0Ainterpretasi+horizon+dan+melakukan+pemodelan+kecepatan+dengan+metode+horizon%0D%0Abased+depth+tomography.+Iterasi+dilakukan+sebanyak+4+kali+dan+menghasilkan%0D%0Asection+final+pre+stack+depth+migration+yang+telah+terkoreksi+oleh+efek+pull+up.+%0D%0A%0D%0AKata+Kunci%3A+Pre+stack+depth+migration%2C+efek+pull+up%2C+horizon+based+depth%0D%0Atomography%0D%0A+%0D%0AABSTRACT%0D%0A%0D%0Ai%0D%0A+%0D%0AIn+the+case+of+seismic+data+processing+with+sandstone+lithology+such+as+shale+and%0D%0Acarbonate+often+get+the+result+of+data+processing+which+have+pull+up+effect+especially%0D%0Aon+the+time+domain+migration+result.+Pre+stack+depth+migration+is+a+processing+based%0D%0Aon+focusing+the+amplitude+according+to+the+actual+depth+by+using+the+input+interval%0D%0Avelocity.+Migration+is+performed+using+kirchhoff+pre+stack+depth+migration+algorithm.%0D%0APre+stack+depth+migration+is+done+with+modeling+of+horizontal+based+depth%0D%0Atomography+method.+This+method+uses+residual+moveout+correction+applied+along+the%0D%0Ahorizon-picking+line.+This+research+uses+two+field+data+that+is+A1+and+A2+Field.%0D%0AA1field+has+characteristics+of+carbonate+rock+that+produce+pull+up+shaped+similar+to%0D%0Acarbonate+layer.+A2+field+has+a+pull-up+effect+that+is+not+very+clear+but+has+build+up%0D%0Abecause+of+the+layer+above+it.+Stages+performed+starting+from+the+processing+of+pre%0D%0Astack+time+migration+in+the+form+of+velocity+picking%2C+generate+rms+velocity+and%0D%0Amigration+time+domain.+The+pre+stack+depth+migration+process+begins+with+a+velocity%0D%0Atransformation+with+the+dix+transformation+equation+to+generate+interval+velocity%2C%0D%0Amigrate+Pre+stack+depth+migration%2C+perform+horizon+interpretations+and+perform%0D%0Avelocity+modeling+using+the+horizon+based+depth+tomography+method.+The+iteration+is%0D%0Adone+4+times+and+resulted+in+the+final+section+of+pre+stack+depth+migration+which+has%0D%0Abeen+corrected+by+pull+up+effect.+%0D%0A%0D%0AKeywords%3A+Pre+stack+depth+migration%2C+pull-up+effect%2C+horizon+based+depth+tomography+&rft.publisher=FAKULTAS+TEKNIK&rft.date=2017-08-16&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F28520%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F28520%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F28520%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++ATIKAH+AZZAHRA%2C+1315051008++(2017)++PRE+STACK+DEPTH+MIGRATION+UNTUK+KOREKSI+EFEK+PULL+UP+DENGAN+MENGGUNAKAN+METODE+HORIZON+BASED+DEPTH+TOMOGRAPHY+PADA+LAPANGAN+%E2%80%98A1+DAN+A2%E2%80%99.++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F28520%2F