Cover Mona

 

LAPORAN PRAKTIKUM SEISMIK REFLEKSI TUTORIAL SOF TWA R E I NT E R A C TI V E PE TR OPH Y SI CS  

Oleh :

CATHERINE MONALISA PANGGABEAN 115.170.033 KELOMPOK 03

LABORATORIUM GEOFISIKA EKSPLORASI JURUSAN TEKNIK GEOFISIKA FAKULTAS TEKNOLOGI MINERAL UNIVERSITAS PEMBANGUNAN NASIONAL “VETERAN”  YOGYAKARTA 2019

 

 

 

HALAMAN PENGESAHAN LAPORAN PRAKTIKUM SEISMIK REFLEKSI  

TUTORIAL SOF TWA R E I NT E R A C TI V E PE TR OPH Y SI CS   Laporan ini disusun sebagai syarat untuk mengikuti Praktikum Seismik Refleksi selanjutnya, tahun ajaran 2018/2019, Jurusan Teknik Geofisika, Fakultas Teknologi Mineral, Universitas Pembangunan Nasional “Veteran” Yogyakarta.  Yogyakarta. 

Disusun Oleh:

CATHERINE MONALISA PANGGABEAN 115.170.033 KELOMPOK 03

Yogyakarta, 13 Maret 2019 Disahkan oleh : Asisten Seismik Reflleksi

(__________________________)

LABORATORIUM GEOFISIKA EKSPLORASI JURUSAN TEKNIK GEOFISIKA FAKULTAS TEKNOLOGI MINERAL UNIVERSITAS PEMBANGUNAN NASIONAL “VETERAN” 

YOGYAKARTA 2019 ii

 

 

KATA PENGANTAR

Puji dan syukur syukur saya ucapkan kepada Tuhan Tuhan Yang Maha Esa berkat nikmat kesehatan sehingga saya dapat menyelesaikan laporan ini sesuai pada waktunya. Proses pembuatan laporan ini tentunya tak lepas dari bantuan dari berbagai pihak. Untuk itu saya ucapkan terimakasih atas segala dukungan dukungan dari semua pihak dalam  penyelesaian laporan ini, terutama kepada para asisten yang telah dengan sabar membimbing dalam penyelesaian laporan ini, serta rekan-rekan yang telah membantu dari awal hingga akhir penyelesaian. Meski demikian, saya menyadari masih banyak sekali kekurangan dan kekeliruan di dalam penulisan laporan ini. Penulis menerima secara terbuka kritik dan saran positif dari para pembaca. Semoga laporan ini dapat bermanfaat.

Yogyakarta, 13 Maret 2019

CATHERINE MONALISA PANGGABEAN

iii

 

 

DAFTAR ISI

HALAMAN JUDUL HALAMAN PENGESAHAN ............................... ...................................................... .............................................. ......................... ii KATA PENGANTAR .................................... .......................................................... ............................................ ................................ .......... iii DAFTAR ISI ............................................ .................................................................. ............................................ ....................................... ................. iv DAFTAR GAMBAR .......................................... ................................................................ ............................................ ............................ ...... v BAB I PENDAHULUAN

1.1.Latar Belakang.......................................... ................................................................ ............................................ ............................................. ......................... .. 1 ............................................ .................................................................. ............................................ ............................................ .................................... .............. 1.2.Maksud dan Tujuan ............................................. ................................................................... ............................................ ............................................. ......................... .. 2 ............................................ .................................................................. ............................................ ............................................ .................................... .............. 1.3.Rumusan Masalah .......................................... ................................................................ ............................................ .............................. ........ 2

BAB II TINJAUAN PUSTAKA

2.1. Geologi Regional Daerah Daer ah Penelitian Penelit ian .......................................... ................................................................ ...................... 3 2.2. Penelitian Terdahulu ............................................ .................................................................. ............................................ ........................8 BAB III DASAR TEORI

3.1. Sifat Fisik Batuan ............................... ..................................................... ............................................ ......................................... ...................9 3.2. Macam-macam Log .......................................... ................................................................ ............................................ ........................ ..13 3.3. Fungsi Log ........................................... .................................................................. ............................................. ................................... .............14 BAB IV METODOLOGI PENELITIAN

4.1. Diagram Alir Pengolahan Data ............................................... ...................................................................... .........................14 4.2. Pembahasan Diagram Alir Pengolahan Data ...................................... .................................................. ............15 BAB V HASIL DAN PEMABAHASAN

5.1. Langkah-Langkah Pengolahan ..................................... ........................................................... ................................... .............18

BAB VI PENUTUP

iv

 

 

6.1. Kesimpulan ........................................... .................................................................. ............................................. ................................... ............. 33 33 6.2. Saran.......................................................... ................................................................................ ............................................. ................................ .........33

v

 

 

DAFTAR PUSTAKA LEMBAR KONSULTASI LEMBAR PENILAIAN

vi

 

 

DAFTAR GAMBAR

Gambar 2.1.  Pembagian mendala geologi daerah Sulawesi dan sekitarnya,

dikompilasi berdasarkan Sukamto (1975), Simandjuntak (1993), Helmers drr. (1990), Parkinson(1991), Smith & Silver (1991), and Bachri & Baharuddin, 2001). .......................................................... .......................................................... 3 Gambar 2.2.  Stratigrafi Regional Cekungan Luwuk  –   Banggai (Hasanusi drr,

2012) ......................................... ............................................................... ............................................ ................................. ........... 5 Gambar 2.3.  Korelasi stratigrafi Cekungan Luwuk-Banggai dengan Cekungan

Salawati, dikompilasi oleh Charlton (1996) berdasarkan peta geologi terbitan Pusat Penelitian dan Pengembangan Geologi ....... 6 Gambar 3.1. Diagram Alir Pengolahan Data .......................................... ....................................................... .............14 14  

................................................................... ......18 18 Gambar 4.1. Open Database/Session ............................................................. ......................................................... ........................................... .....................18 18 Gambar 4.2. Create New Well ................................... Gambar 4.3. Load File............................................ .................................................................. ............................................ ........................ ..19

.................................................................. ....................................... ................19 Gambar 4.4. LAS/LBS Load........................................... Gambar 4.5. Manage Curve Sets .......................................... ................................................................. ................................ .........20 Gambar 4.6. Database Browser ............................ ................................................... .............................................. .........................20

................................................................. ............................................ ........................ ..21 21   Gambar 4.7.  Log Plots ........................................... ............................................... ............................................ ....................................... .................21 21   Gambar 4.8. New Tracks ......................... Gambar 4.9. Memasukkan Memasukkan Log   Log  pada  pada Tabel Kurva Log Kurva Log........................................ ........................................22 22  

................................................................. ........................................... .....................22 22   Gambar 4.10. Edit Curve ...........................................  Miror pada Log  Log CALI ............................................ ................................................................... .........................23 Gambar 4.11. Miror pada Gambar 4.12. Clay

Volume.................................... Volume............. ............................................. ............................................. .............................................. ..................................... ..............2 2 3 .................... ........................................... ............................................. ............................................ ............................................ ........................................... ..................... Gambar 4.13. Edit Zone.......................................... ................................................................ ............................................ ........................ ..24 24  

.................................................................. ....................................... ................25 25   Gambar 4.14. Clay Volume ........................................... Gambar 4.15. Edit Lithology ............................................. .................................................................... ................................... ............26 26   Gambar 4.16. Typical Well Log Responses ................................................... ......................................................... ......27 27 

Hasil Edit  Edit Lithology ........................................... .................................................................. ............................ .....28 28   Gambar 4.17. Hasil

vii

 

 

Gambar 4.18. Memunculkan Histogram ......................................... .............................................................. .....................29

................................................................. ........................................... .....................29 Gambar 4.19. Histogram ........................................... .................................................................. ............................................ ............................ ......30 Gambar 4.20. NPHI ............................................ Gambar 4.21. Cross

 plot ...................................... ............................................................ ............................................ ............................................ ......................................... ...................3 3 1 .................... ........................................... ............................................. ............................................ ............................................ ........................................... .....................

viii