?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=INVERSI+PRE-STACK+AVO+SIMULTAN+UNTUK+IDENTIFIKASI%0D%0ALITOLOGI+DAN+GAS+DI+FORMASI+GUMAI%2C+LAPANGAN+%E2%80%9CTOROM%E2%80%9D%0D%0ASUB-CEKUNGAN+JAMBI%2C+SUMATERA+SELATAN&rft.creator=WIDIA+ANGGRAENI+%2C+1315051057&rft.subject=Teknologi+(General)&rft.description=Lapangan+Torom+merupakan+lapangan+pengembangan+produksi+hidrokarbon%0D%0Aberlokasi+di+Sub-cekungan+Jambi%2C+Sumatera+Selatan.+Formasi+Gumai+yang%0D%0Adiendapkan+di+kala+Miosen+Awal+ketika+fase+transgresi+maksimum+dengan%0D%0Asedimen+yang+didominasi+oleh+marine+shale+memiliki+kerumitan+dan+peran+ganda%0D%0Ayaitu+sebagai+regional+seal%2C+sourcerock+dan+reservoir.+Keberadaan+lenses%0D%0Areservoir+ini+menjadi+daya+tarik+untuk+pengkajian+detail+melalui+interpretasi%0D%0Aseismik+kuantitatif.+Dalam+penelitian+ini%2C+inversi+Pre-stack+AVO+Simultan%0D%0Ameliputi+analisis+AVO%2C+parameter+P-wave%2C+S-wave+dan+Densitas+hingga+ekstraksi%0D%0Aparameter+Lame+berupa+LambdaRho+dan+MuRho+diterapkan+untuk%0D%0Amengkarakterisasi+reservoar+sebagai+diskriminator+litologi+dan+fluida+pori+di%0D%0AFormasi+Gumai+yang+dibuktikan+dengan+adanya+hidrokarbon+berupa+gas+ketika%0D%0ADrilling+Steam+Test+(DST).+Data+yang+digunakan+dalam+penelitian+ini+terdiri+dari%0D%0A3D+PSTM+dan+4+data+well+dengan+zona+target+berupa+reservoar+batupasir+dengan%0D%0Apotensi+gas+pada+kedalaman+3.272+ft+%E2%80%93+3.361+ft+dan+time+1.092+ms+%E2%80%93+1.114+ms+pada%0D%0Awell+TR-1.+Hasil+analisis+AVO+menunjukkan+anomali+kelas+III+yang+memiliki%0D%0Aimpedansi+yang+rendah+dan+kenaikan+AVO+di+far+offsetnya%2C+sementara+pemetaan%0D%0A3D+atribut+AVO+yang+meliputi+Intercept*Gradient+menunjukkan+nilai+positif+(%2B)%0D%0Asebagai+brightspot+(DHI)%2C+atribut+Scaled+Poisson%E2%80%99s+Ratio+Change+dan+Fluid%0D%0AFactor+yang+menunjukkan+nilai+positif+(%2B)+diinterpretasikan+sebagai+adanya%0D%0Aperubahan+fluida+pori+akibat+saturasi+gas+dalam+reservoar+(preliminary%0D%0Ainterpretation-DHI).+Hasil+crossplot+data+log+memvalidasi+hasil+inversi+simultan%0D%0Apada+zona+target+yang+menunjukkan+impedansi+rendah+untuk+impedansi+P+(Zp)%0D%0A15.700-18.250+((ft%2Fs)*(gr%2Fcc))%2C+impedansi+S+(Zs)+9.078-10.850+((ft%2Fs)*(gr%2Fcc))+dan%0D%0Anilai+densitas+(%CF%81)+rendah+yaitu+2%2C10+%E2%80%93+2%2C19+gr%2Fcc.+Sementara+hasil+tranformasi%0D%0ALambdaMuRho+menunjukkan+hasil+LambdaRho+(Inkompresibilitas)+bernilai%0D%0Arendah+5%2C05+%E2%80%93+8%2C6+(Gpa*(gr%2Fcc))+dan+MuRho+(rigiditas)+yang+relatif+lebih+tinggi%0D%0A9%2C01-11%2C3+(Gpa*(gr%2Fcc)).+Interpretasi+terintegrasi+ini+menunjukkan+litologi%0D%0Areservoar+berupa+batupasir+yang+tersaturasi+gas+dengan+persebaran+interest+zone%0D%0Aberarah+barat.%0D%0AKata+kunci%3A+AVO%2C+Inversi+Simultan%2C+LambdaMuRho%2C+Formasi+Gumai%2C+dan+Gas%0D%0Asand+reservoir.%0D%0Aii%0D%0A%0D%0Aabstrsct%0D%0ATorom+Field+is+a+development+production+field+located+in+Jambi+Sub-basin%2C+South%0D%0ASumatera.+Gumai+Formation+was+deposited+in+early+Miocene+while+the+maximum%0D%0Atransgression+phase+with+the+sediment+predominantly+by+marine+shale%2C+which+has%0D%0Athe+complexity+and+multiple+roles+as+a+regional+seal%2C+source-rock+and+reservoir.%0D%0AThe+existence+of+lenses+reservoir+becomes+an+interesting+case+to+conduct+a+detailed%0D%0Astudy+using+seismic+quantity+interpretation.+In+this+research%2C+Pre-stack+AVO%0D%0ASimultaneous+Inversion+consist+of+AVO+analysis%2C+P-wave%2C+S-wave%2C+Density+and%0D%0Athe+extraction+of+the+Lame+parameters+are+LambdaRho+and+MuRho+applied+to%0D%0Areservoir+characterizing+as+a+discriminator+of+lithology+and+pore+fluid+in+Gumai%0D%0AFormation+which+proven+by+the+discoveries+of+hydrocarbon+(gas)+while+drilling%0D%0Asteam+test+(DST).+The+data+were+used+consist+of+3D+PSTM+and+4+wells+with+the%0D%0Atarget+zone+are+gas+sand+reservoir+at+the+depth+3%2C272+ft+%E2%80%93+3%2C361+ft+and+at+the+time%0D%0A1%2C092+ms+%E2%80%93+1%2C114+ms+on+TR-1+well.+The+result+of+AVO+analysis+showed+the%0D%0Aanomaly+Class+III+as+low+impedance+and+increasing+AVO+to+the+far+offset%2C+while%0D%0Athe+3D+mapping+of+AVO+attributes+are+Intercept*Gradient+showed+positive+value%0D%0A(%2B)+interpreted+as+a+brightspot+(DHI)%2C+Scaled+Poisson%E2%80%99s+Ratio+Change+dan+Fluid%0D%0AFactor+Attribute+showed+positive+value+(%2B)+interpreted+as+the+existence+of+pore%0D%0Afluid+changed+by+gas+saturation+in+the+reservoir+(preliminary+interpretation-DHI).%0D%0AThe+result+of+well+log+crossplot+was+validating+the+result+of+simultaneous+inversion%0D%0Aon+the+target+zone+which+showed+low+impedance+for+P-impedance+(Zp)+15%2C700-%0D%0A18%2C250+((ft%2Fs)*(gr%2Fcc))%2C+S-impedance+(Zs)+9%2C078-10%2C850+((ft%2Fs)*(gr%2Fcc))+and+the+low%0D%0Adensity+value+(%CF%81)+ranged+2.10+%E2%80%93+2.19+gr%2Fcc.+Furthermore%2C+the+result+of%0D%0ALambdaMuRho+transformation+showed+LambdaRho+(Incompressibility)+low+value%0D%0Aranged+from+5.05+%E2%80%93+8.6+(Gpa*(gr%2Fcc))+and+MuRho+(rigidity)+relative+high+value%0D%0A9.01-11.3+(Gpa*(gr%2Fcc)).+The+integrated+interpretation+showed+the+reservoir%0D%0Alithology+is+sandstone+saturated+by+gas+with+the+distribution+of+interest+zone+in+the%0D%0Awest+direction.%0D%0AKeywords%3A+AVO%2C+Simultaneous+Inversion%2C+LambdaMuRho.+Gumai+Formation%2C%0D%0Aand+Gas+sand+reservoir.%0D%0A&rft.publisher=FAKULTAS+TEKNIK&rft.date=2018-01-25&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F30276%2F1%2FABSTRACT%2520%2528ABSTRAK%2529.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F30276%2F2%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F30276%2F3%2FSKRIPSI%2520FULL.pdf&rft.identifier=++WIDIA+ANGGRAENI+%2C+1315051057++(2018)+INVERSI+PRE-STACK+AVO+SIMULTAN+UNTUK+IDENTIFIKASI+LITOLOGI+DAN+GAS+DI+FORMASI+GUMAI%2C+LAPANGAN+%E2%80%9CTOROM%E2%80%9D+SUB-CEKUNGAN+JAMBI%2C+SUMATERA+SELATAN.++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG+.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F30276%2F