APPLICATION OF MACHINE LEARNING TECHNIQUES FOR RATE OF PENETRATION PREDICTION Asad Safarov ............................................................................................................ 69 QUYU LÜLƏSİNİN MEXANİKİ DAYANIQLIĞININ TƏMİN EDİLMƏSİ Günay Vaqif q ı z ı R ə himova ...................................................................................... 70 ANALYSIS OF SIMULATION AND OPTIMIZATION OF DRILLING PARAMETERS FOR DRILLING EFFICIENCY Orkhan Mammadov .................................................................................................. 73 MUD DESIGN IN HPHT WELLS Orkhan Nasibov ........................................................................................................ 75 THEORIES AND MODELS USED IN PROVIDING WELLBORE STABILITY Tural Guluzadeh ....................................................................................................... 77 ANALYSIS OF FORMATION DAMAGE DURING DRILLING OF SLANTED WELLS Vusal Gurbanov ........................................................................................................ 81 ENVIRONMENTAL CONCERN WHILE DRILLING OIL AND GAS WELLS Ilkin Hazizade............................................................................................................ 83 НАДЕЖНОСТЬ ДИАГНОСТИКИ ТРАНСФОРМАТОРОВ И ИХ РОЛЬ В ЭНЕРГОБЕЗОПАСНОСТИ Атрафи Гияси Марьям ........................................................................................... 85