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| JFZ3004 | Well Logs | 2+1+0 | ECTS:4 | | Year / Semester | Spring Semester | | Level of Course | First Cycle | | Status | Compulsory | | Department | DEPARTMENT of GEOPHYSICAL ENGINEERING | | Prerequisites and co-requisites | None | | Mode of Delivery | Face to face | | Contact Hours | 14 weeks - 2 hours of lectures and 1 hour of practicals per week | | Lecturer | Prof. Dr. Aysel ŞEREN | | Co-Lecturer | None | | Language of instruction | Turkish | | Professional practise ( internship ) | None | | | | The aim of the course: | | to give the basic principles of logs to the student and the geophysics student will know how these tools work. Basic interpretation of logs obtained by these tools also is taught. |
| Learning Outcomes | CTPO | TOA | | Upon successful completion of the course, the students will be able to : | | | | LO - 1 : | learn well logs and why they are applied. Understand how to measure parameters such as porosity, saturation and formation factor. | 1,2,5,7 | | | LO - 2 : | learn In general, the log, especially the electrical, radioactive and sonic logs measurement principles, evaluation and interpretation. | 2,5,7 | | | LO - 3 : | interpret all the logs in the same well. | 2,5,7 | | | CTPO : Contribution to programme outcomes, TOA :Type of assessment (1: written exam, 2: Oral exam, 3: Homework assignment, 4: Laboratory exercise/exam, 5: Seminar / presentation, 6: Term paper), LO : Learning Outcome | | |
| Use of well logging techniques, measured parameters such as porosity, saturation and formation factor, electrical methods and resistivity logging, self potential logging, radioactive methods and gamma-ray, density and Neutron logging, elastic wave propagation and related sonic and acoustic-amplitude logging, logging techniques of magnetic field, magnetic sensitivity and heat flow measurements and gravity logging, interpretation techniques in well logging. |
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| Course Syllabus | | Week | Subject | Related Notes / Files | | Week 1 | What is well logging? Which purpose is it applied? Which information is provided form well logging? The classification of well logging. | | | Week 2 | The main physical properties measured from well logging. The relationship between resistivity and saturation in a formation. The relationship among formation water, Resistivity, Salinity and Temperature. | | | Week 3 | Petrophysics properties of rocks. Types of porosity, saturation, permeability. The basic principles for evaluating of well logs. | | | Week 4 | Application regarding porosity, saturation). The resistivity of formation water variation with salinity and temperature. Electric logs. The Origin of Self Potential (SP)log. | | | Week 5 | SP in pure sand. Electrokinetic and electrochemical components of SP log. The area where use the SP curve. | | | Week 6 | SP application | | | Week 7 | Statik SP (SSP). SP nin Bileşeni. Bu logla ilgili değerlendirmeler. Pseudostatik SP (PSP). | | | Week 8 | Mid-term exam | | | Week 9 | Classical resistivity logs, Normal logs, Lateral curves (lateral log), Induction Log. Examples | | | Week 10 | Resistivity logs classical interpretation. Sample assessment and interpretation of the log curve. | | | Week 11 | Gamma Ray (GR) Log. Natural Gamma Ray (NGT) Log. Neutron and density logs. | | | Week 12 | GR log examples. | | | Week 13 | 2nd midterm exam | | | Week 14 | Sonic or acoustic log. Velocity determination with check-shot. A research homework about measurement instruments in SP, resistivity, GR and Sonic Logs. | | | Week 15 | Micrologs, Microlaterolog. | | | Week 16 | End-of-term exam | | | |
| 1 | Pekiner, Y. 2002; Kuyu Logları Tekniğiyle Yeraltının Keşfi, Seçkin Yayıncılık. | | | |
| 1 | Labo, J. A.1986; Practical Introduction to Borehole Geophysics, Tulsa, Okla. SEG, | | | 2 | Özkanlı, M. 1990; Log Yorumu, prensipler ve uygulamalar, TPAO Arama Grubu BAşkanlığı, Ankara | | | 3 | Telford, W.M. et al., 1981, Applied Geophysics, Cambridge University Press. | | | 4 | Schlumberger, 1984; Basic Log Interpretation. | | | |
| Method of Assessment | | Type of assessment | Week No | Date | Duration (hours) | Weight (%) | | Mid-term exam | 9 | 23/11/2012 | 1,15 | 50 | | End-of-term exam | 16 | 27/12/2012 | 1,15 | 50 | | |
| Student Work Load and its Distribution | | Type of work | Duration (hours pw) | No of weeks / Number of activity | Hours in total per term | | Yüz yüze eğitim | 2 | 14 | 28 | | Sınıf dışı çalışma | 3 | 14 | 42 | | Laboratuar çalışması | 0 | 0 | 0 | | Arasınav için hazırlık | 12 | 1 | 12 | | Arasınav | 1 | 1 | 1 | | Uygulama | 1 | 14 | 14 | | Klinik Uygulama | 0 | 0 | 0 | | Ödev | 2 | 4 | 8 | | Proje | 0 | 0 | 0 | | Kısa sınav | 0 | 2 | 0 | | Dönem sonu sınavı için hazırlık | 15 | 1 | 15 | | Dönem sonu sınavı | 2 | 1 | 2 | | Diğer 1 | 0 | 0 | 0 | | Diğer 2 | 0 | 0 | 0 | | Total work load | | | 122 |
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