%VV III.1. Subject: DRILLING FLUIDS Class: 2 year Examiner: Majid A. Jaafar Basrah University for...
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%VV III.1. حفظ Subject: DRILLING FLUIDS Class: 2 year Examiner: Majid A. Jaafar Basrah University for Oil and Gas College of Oil and Gas Engineering Department of Oil and Gas Engineering • Τ = 11 Answer All Questions (Open Book Exam ) Q1/ 17" Surface Hole has been drilled by using (FWB) (density = 9 ppg, Active mud Volume was 45m³), then 13%" CSG (ID-12,615") Ran in hole to depth 800m and cemented successfully. Examiner Majid A. JAAFAR Exam: Mid-Term Date Time: 1.5 hours. The Second Hole has been planned to drill by using 12%" Bit to depth 1200m where (Pp=2800psi, P. =3200 psi, Rock Type = Sandstone, Rock Density-20ppg, Cutting Size (D.)= 0.07"), answer the following points: - 1. Calculate the Bentonite amount (tons) and Water Volume (m³) has been used to prepare the Mud of the Surface Hole? 2. Calculate the recommended Mud density (ppg) for 2nd hole (Use Middle Line Theory), How much Barite (tons) should add to get this density, what will be the final active mud Volume (m²)? 3. For best Lubrication, the recommendation was add crude oil to the existing mud and final oil ratio should be (13% volumetric), Calculate final mud density and What is your recommendation? Good Luck.... Question sheet should recovered ۱:۲۷ 4. If Ø300 -24, Ø500-34, Determine Hole cleaning efficiency when using two MP (Triplex - Single Acting) (L-10", D= 6.5", E-98%, SPM = 40) for each pump and 2nd hole drilling string is : (12%" Bit + 200m D/C (Do-8", Di=3") + 5" D/P (to surface)) 5. What is the maximum acceptable ROP, if surface mud pump pressure is 150psi, capacity of 12%" OH = 76.04 1/m. Given: (1m¹-264.2gal, 1m-3.28ft,1m-39.37 in, 1ft -12 inch, 1ton =2200lb) Head of the Department Dr. Nabeel Kadhim. Abbood %VV III.1. حفظ Subject: DRILLING FLUIDS Class: 2 year Examiner: Majid A. Jaafar Basrah University for Oil and Gas College of Oil and Gas Engineering Department of Oil and Gas Engineering • Τ = 11 Answer All Questions (Open Book Exam ) Q1/ 17" Surface Hole has been drilled by using (FWB) (density = 9 ppg, Active mud Volume was 45m³), then 13%" CSG (ID-12,615") Ran in hole to depth 800m and cemented successfully. Examiner Majid A. JAAFAR Exam: Mid-Term Date Time: 1.5 hours. The Second Hole has been planned to drill by using 12%" Bit to depth 1200m where (Pp=2800psi, P. =3200 psi, Rock Type = Sandstone, Rock Density-20ppg, Cutting Size (D.)= 0.07"), answer the following points: - 1. Calculate the Bentonite amount (tons) and Water Volume (m³) has been used to prepare the Mud of the Surface Hole? 2. Calculate the recommended Mud density (ppg) for 2nd hole (Use Middle Line Theory), How much Barite (tons) should add to get this density, what will be the final active mud Volume (m²)? 3. For best Lubrication, the recommendation was add crude oil to the existing mud and final oil ratio should be (13% volumetric), Calculate final mud density and What is your recommendation? Good Luck.... Question sheet should recovered ۱:۲۷ 4. If Ø300 -24, Ø500-34, Determine Hole cleaning efficiency when using two MP (Triplex - Single Acting) (L-10", D= 6.5", E-98%, SPM = 40) for each pump and 2nd hole drilling string is : (12%" Bit + 200m D/C (Do-8", Di=3") + 5" D/P (to surface)) 5. What is the maximum acceptable ROP, if surface mud pump pressure is 150psi, capacity of 12%" OH = 76.04 1/m. Given: (1m¹-264.2gal, 1m-3.28ft,1m-39.37 in, 1ft -12 inch, 1ton =2200lb) Head of the Department Dr. Nabeel Kadhim. Abbood
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