?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=IDENTIFIKASI+SEBARAN+LITOLOGI+DAN+GAS+PADA+ZONA+PAY+SAND+MENGGUNAKAN+ANALISIS+AVO+DAN+INVERSI+SIMULTAN+%0D%0ADI+LAPANGAN+%E2%80%9CVR%E2%80%9D%2C+TELUK+MEKSIKO%0D%0A&rft.creator=VIRGIAN+RAHMANDA%2C+1215051054&rft.subject=Teknologi+(General)&rft.description=Identifikasi+litologi+dan+gas+di+zona+Pay+sand+merupakan+bagian+dari+karakterisasi+reservoar+yang+bertujuan+untuk+memetakkan+interest+zone+dari+lapangan+%E2%80%9CVR%E2%80%9D%2C+Teluk+Meksiko.+Zona+target+merupakan+lapisan+Pay+sand+dengan+perangkap+stratigrafi+pinch+out%2C+yang+memiliki+ketebalan+26%2C95+meter+dan+kedalaman+eksplorasi+ultra+deep+2970+meter.+Metode+yang+diterapkan%2C+yakni+analisis+AVO+untuk+memberikan+sifat+batas+lapisan+batuan+serta+perubahan+reflektivitas+litologi+dalam+menganalisis+keberadaan+gas+menggunakan+AVO+attribute.+Selanjutnya%2C+dilakukan+Inversi+Simultan+dan+transformasi+Lambda-Mu-Rho+(LMR)+untuk+analisis+sifat+fisika+batuan+yang+lebih+detail+dan+representatif.+Dalam+penelitian+ini+juga+dilakukan+prediksi+log+porositas+efektif%2C+Vshale+dan+log+Vs+dengan+metode+Fluid+Replacement+Model+(FRM)+dengan+validasi+AVO+Zoeppritz+syntetic+model+menggunakan+Sw+%3D+29%25.+Dari+hasil+penelitian+menunjukkan+bahwa+zona+Pay+sand+merupakan+jenis+reservoar+gas+sand+kelas+III+pada+TWT+2550+ms%2C+yang+memiliki+nilai+Impedansi+lebih+rendah+dibandingkan+dengan+lapisan+penutupnya.+Metode+Inversi+Simultan+cukup+baik+dalam+mendeterminasi+persebaran+properti+reservoar%2C+dengan+korelasi+hasil+inversi+sebesar+0.98+pada+zona+target.+Berdasarkan+hasil+analisis+sensitivitas+data+log%2C+hasil+Inversi+Simultan+dan+analisis+LMR+menunjukkan+zona+interest+Pay+sand+pada+lapangan+%E2%80%9CVR%E2%80%9D%2C+terdiri+dari+reservoar+gas+sand+dan+litologi+cemented+tight+sand%2C+yang+memiliki+nilai+Zp+rendah+%5B6000-7800+(m%2Fs)*(g%2Fcc)%5D%2C+Zs+relatif+tinggi+%5B3000-4500+(m%2Fs)*(g%2Fcc)%5D%2C+densitas+rendah+(2%2C2-2%2C38+g%2Fcc)%2C+Vp%2FVs+ratio+rendah+(1%2C8-1%2C9+unitless)%2C+Lambda-Rho+(Inkompressibilitas)+rendah+(20-21+GPa*g%2Fcc)%2C+Mu-Rho+(Rigiditas)+relatif+tinggi+(10-18+GPa*g%2Fcc)+serta+Lambda+over+Mu+rendah+(1%2C2-1%2C7+unitless).+Zona+interest+tersebar+di+sekitar+sumur+VR-1%2C+dan+sebelah+Selatan+lapangan+%E2%80%9CVR%E2%80%9D+dengan+kedalaman+3150+hingga+3250+meter.%0D%0A%0D%0AKata+kunci%3A+Karakterisasi+reservoar%2C+Inversi+Simultan%2C+Pay+sand%2C+Amplitude+Variation+with+Offset+(AVO)%2C+Fluid+Replacement+Model+(FRM)%2C+dan+Lambda-Mu-Rho+(LMR).%0D%0A%0D%0A%0D%0A%0D%0AABSTRACT%0D%0A%0D%0ALithology+and+gas+identification+in+zone+of+Pay+sand+are+part+of+reservoir+characterization+to+determine+zone+of+interest+in+%E2%80%9CVR%E2%80%9D+field%2C+Gulf+of+Mexico.+Target+zone+is+a+layer+of+Pay+sand+with+stratigraphic+pinch-out+trap%2C+26.95+meters+thickness+and+located+in+ultra+deep+off-shore+exploration+2970+meters.+The+methods+applied+include+AVO+analysis+to+provide+boundary+properties+of+rock+layers+and+reflectivity%E2%80%99s+change+of+the+lithology+in+analyzing+the+presence+of+gas+using+AVO+attribute.+Furthermore%2C+performing+Simultaneous+Inversion+and+Lambda-Mu-Rho+(LMR)+transformation+for+more+detailed+and+representative+analysis+of+rock%E2%80%99s+physical+properties.+In+this+research+also+calculate+effective+porosity+logs%2C+prediction+of+Vshale+and+Vs+log+using+Fluid+Replacement+Model+(FRM)+with+AVO+Zoeppritz+syntetic+modeling+for+validation+at+Sw+%3D+29%25.+The+results+showed+that+Pay+zone+is+a+type+of+sand+reservoir+class+III+AVO+at+TWT+2550+ms%2C+which+has+a+lower+impedance+value+than+the+cover+layer.+Simultaneous+Inversion+method+are+good+enough+to+determine+distribution+of+reservoir+properties%2C+with+a+correlation+value+of+inversion+results+0.98+in+the+target+zone.+Based+on+the+results+of+log+crossplot+sensitivity+analysis%2C+results+of+Simultaneous+Inversion+and+LMR+analysis+showed+interest+zone+of+Pay+sand+in+%22VR%22+field%2C+consisting+of+gas+sand+reservoir%2C+and+cemented+tight+sand+lithology%2C+which+has+a+lower+Zp+value+%5B6000-7800+(m%2Fs)*(g%2Fcc)%5D%2C+relatively+high+Zs+%5B3000-4500+(m%2Fs)*(g%2Fcc)%5D%2C+low+density+(2.2+to+2.38+g%2Fcc)%2C+low+Vp%2FVs+ratio+(1.8+to+1.9+unitless)%2C+low+Lambda-Rho+(incompressibility)+(20-21+GPa*g%2Fcc)%2C+relatively+high+Mu-Rho+(rigidity)+(10-18+GPa*g%2Fcc)+and+low+Lambda+over+Mu+(+1.2+to+1.7+unitless).+Zone+of+interest+scattered+around+the+VR-1+well%2C+and+the+south+of+%22VR%22+field+with+a+depth+from+3150+to+3250+meters.%0D%0A%0D%0AKeywords%3A+Reservoir+characterization%2C+Simultaneous+Inversion%2C+Pay+sand%2C++Amplitude+Variation+with+Offset+(AVO)%2C+Fluid+Replacement+Model+(FRM)%2C+and+Lambda-Mu-Rho+(LMR).&rft.publisher=FAKULTAS+TEKNIK+&rft.date=2017-02-07&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F25669%2F1%2FABSTRAK.PDF&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F25669%2F2%2FSKRIPSI%2520FULL.PDF&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F25669%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.PDF&rft.identifier=++VIRGIAN+RAHMANDA%2C+1215051054++(2017)+IDENTIFIKASI+SEBARAN+LITOLOGI+DAN+GAS+PADA+ZONA+PAY+SAND+MENGGUNAKAN+ANALISIS+AVO+DAN+INVERSI+SIMULTAN+DI+LAPANGAN+%E2%80%9CVR%E2%80%9D%2C+TELUK+MEKSIKO.++FAKULTAS+TEKNIK+%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F25669%2F