Studi Sikuen Stratigrafi Miosen-Pliosen, Lapangan X, Cekungan Jawa Timur Utara, Berdasarkan Interpretasi Data Seismik, Well Log dan Data Biostratigrafi.
DAFTAR ISI
Halaman
KATA PENGANTAR ............................................................................................
v
SARI ………….. .....................................................................................................
vii
ABSTRACT ............................................................................................................
viii
DAFTAR ISI ..........................................................................................................
ix
DAFTAR TABEL ...................................................................................................
xii
DAFTAR GAMBAR ..............................................................................................
xiii
BAB I PENDAHULUAN ......................................................................................
1
1.1 Latar Belakang Penelitian .....................................................................
1
1.2 Identifikasi Masalah …………………….............................…………...
2
1.3 Tujuan Penelitian ..................................................................................
2
1.4 Kegunaan Penelitian...............................................................................
3
1.5 Kerangka Pemikiran...............................................................................
3
1.6 Metodologi Penelitian ...........................................................................
3
1.7 Lokasi dan Waktu Penelitian .................................................................
4
BAB II KAJIAN PUSTAKA………………………………………………………...
5
2.1 Telaah kepustakaan…………………………………………………….
5
2.1.1 Fisiografi Daerah Cekungan Jawa Timur Utara………………
5
2.1.2 Geologi Regional………………………………………………...
8
2.1.3 Struktur Geologi Regional……………………………………...
10
2.1.4 Stratigrafi Regional……………………………………………...
16
2.2 Sikuen Stratigrafi………………………………………………………
22
2.3 Seismik Stratigrafi…………………………………………………..
30
2.3.1 Analisis Sikuen Seismik……………………………………….
31
2.3.2 Analisis Fasies Seismik…………………………………………
33
2.3.3 Interpretasi Perubahan Permukaan Air Laut …………………
38
2.4 Konsep Dasar Korelasi……………………………………………….
38
2.4.1 Analisis Well Log………………………………………………..
ix
38
2.4.1.1 Jenis Wireline Log………………………………..
39
2.4.1.2 Pola Log…………………………………………
2.5 Analisis Biostratigrafi…………………………………………………
44
BAB III METODE PENELITIAN…………………………………………………..
50
3.1 Tahap Persiapan………………………………………………………..
50
3.1.1 Tahap Studi Pustaka... …………………………………………..
50
3.1.2 Tahap Pengumpulan Data……………………………………….
51
3.1.3 Alat-alat yang Digunakan……………………………………….
53
3.2 Tahap Pengerjaan…………………………………………………….
54
3.2.1 Analisis Data Well Log………………………………………….
54
3.2.2 Analisis Data Seismik…………………………………………..
55
3.2.3 Analisis Data Biostratigrafi……………………………………..
56
3.2.4 Pembuatan Peta Isokhron………………………………………..
57
3.2.5 Tahap Interpretasi Data………………………………………….
58
3.3 Tahap Penyusunan Laporan………………………………………….
58
BAB IV HASIL PENELITIAN DAN PEMBAHASAN…………………………...
47
60
4.1 Analisis Biostratigrafi………………………………………………
60
4.1.1 Biostratigrafi Sumur NY-1……………………………………
61
4.1.2 Biostratigrafi Sumur NY-2……………………………………….
65
4.2. Analisis Well Log (Motif Log) ……………………………………..
74
4.2.1 Analisis Sumur NY-1……………………………………………
75
4.2.2 Analisis Sumur NY-2……………………………………………
77
4.3 Analisis Data Seismik…………………………………………………...
82
4.3.1 Hubungan Antara Bidang Perlapisan……………………………..
82
4.3.2 Sequence Boundary dan Maximum Flooding Surface……………
95
4.3.3 Sikuen Seismik…………………………………………………...
99
4.3.4 Analisis Systems Tract……………………………………………
104
4.3.4.1 Transgressive Systems Tract 1 (TST1) ………………….
104
4.3.4.2 Highstand Systems Tract 1 (HST1) …………………….
109
4.3.4.3 Transgressive Systems Tract 2 (TST2) ………………….
111
4.3.4.4 Highstand Systems Tract 2 (HST2) …………………….
115
4.3.4.5 Transgressive System Tract 3- Highstand Systems Tract
3 (TST3-HST3) …………………………………………
4.3.4.6 Transgressive System Tract 4- Highstand Systems Tract
4 (TST4-HST4) …………………………………………
118
x
118
4.5 Sejarah Geologi………………………………………………….……...
126
BAB IV SIMPULAN…………………………………...................…………............
130
5.1 Simpulan………………………………………………………………...
130
5.2 Saran…………………………………...................………….................
134
DAFTAR PUSTAKA…………………………………………………………………
135
xi
Halaman
KATA PENGANTAR ............................................................................................
v
SARI ………….. .....................................................................................................
vii
ABSTRACT ............................................................................................................
viii
DAFTAR ISI ..........................................................................................................
ix
DAFTAR TABEL ...................................................................................................
xii
DAFTAR GAMBAR ..............................................................................................
xiii
BAB I PENDAHULUAN ......................................................................................
1
1.1 Latar Belakang Penelitian .....................................................................
1
1.2 Identifikasi Masalah …………………….............................…………...
2
1.3 Tujuan Penelitian ..................................................................................
2
1.4 Kegunaan Penelitian...............................................................................
3
1.5 Kerangka Pemikiran...............................................................................
3
1.6 Metodologi Penelitian ...........................................................................
3
1.7 Lokasi dan Waktu Penelitian .................................................................
4
BAB II KAJIAN PUSTAKA………………………………………………………...
5
2.1 Telaah kepustakaan…………………………………………………….
5
2.1.1 Fisiografi Daerah Cekungan Jawa Timur Utara………………
5
2.1.2 Geologi Regional………………………………………………...
8
2.1.3 Struktur Geologi Regional……………………………………...
10
2.1.4 Stratigrafi Regional……………………………………………...
16
2.2 Sikuen Stratigrafi………………………………………………………
22
2.3 Seismik Stratigrafi…………………………………………………..
30
2.3.1 Analisis Sikuen Seismik……………………………………….
31
2.3.2 Analisis Fasies Seismik…………………………………………
33
2.3.3 Interpretasi Perubahan Permukaan Air Laut …………………
38
2.4 Konsep Dasar Korelasi……………………………………………….
38
2.4.1 Analisis Well Log………………………………………………..
ix
38
2.4.1.1 Jenis Wireline Log………………………………..
39
2.4.1.2 Pola Log…………………………………………
2.5 Analisis Biostratigrafi…………………………………………………
44
BAB III METODE PENELITIAN…………………………………………………..
50
3.1 Tahap Persiapan………………………………………………………..
50
3.1.1 Tahap Studi Pustaka... …………………………………………..
50
3.1.2 Tahap Pengumpulan Data……………………………………….
51
3.1.3 Alat-alat yang Digunakan……………………………………….
53
3.2 Tahap Pengerjaan…………………………………………………….
54
3.2.1 Analisis Data Well Log………………………………………….
54
3.2.2 Analisis Data Seismik…………………………………………..
55
3.2.3 Analisis Data Biostratigrafi……………………………………..
56
3.2.4 Pembuatan Peta Isokhron………………………………………..
57
3.2.5 Tahap Interpretasi Data………………………………………….
58
3.3 Tahap Penyusunan Laporan………………………………………….
58
BAB IV HASIL PENELITIAN DAN PEMBAHASAN…………………………...
47
60
4.1 Analisis Biostratigrafi………………………………………………
60
4.1.1 Biostratigrafi Sumur NY-1……………………………………
61
4.1.2 Biostratigrafi Sumur NY-2……………………………………….
65
4.2. Analisis Well Log (Motif Log) ……………………………………..
74
4.2.1 Analisis Sumur NY-1……………………………………………
75
4.2.2 Analisis Sumur NY-2……………………………………………
77
4.3 Analisis Data Seismik…………………………………………………...
82
4.3.1 Hubungan Antara Bidang Perlapisan……………………………..
82
4.3.2 Sequence Boundary dan Maximum Flooding Surface……………
95
4.3.3 Sikuen Seismik…………………………………………………...
99
4.3.4 Analisis Systems Tract……………………………………………
104
4.3.4.1 Transgressive Systems Tract 1 (TST1) ………………….
104
4.3.4.2 Highstand Systems Tract 1 (HST1) …………………….
109
4.3.4.3 Transgressive Systems Tract 2 (TST2) ………………….
111
4.3.4.4 Highstand Systems Tract 2 (HST2) …………………….
115
4.3.4.5 Transgressive System Tract 3- Highstand Systems Tract
3 (TST3-HST3) …………………………………………
4.3.4.6 Transgressive System Tract 4- Highstand Systems Tract
4 (TST4-HST4) …………………………………………
118
x
118
4.5 Sejarah Geologi………………………………………………….……...
126
BAB IV SIMPULAN…………………………………...................…………............
130
5.1 Simpulan………………………………………………………………...
130
5.2 Saran…………………………………...................………….................
134
DAFTAR PUSTAKA…………………………………………………………………
135
xi