Gas Behaviours /10 0 votes, 0 avg 1 Created on March 09, 2023 Gas Behaviours GB-(number) 1 / 10 Use the scenario below to answer the following question: The well is shut-in on a kick. Pit gain = 20 bbls Formation Pressure = 5000 psi Driller’s Method is used to kill the well. Gas hits the choke with a casing pressure of 1500 psi. What is the gas volume when the gas gets to the surface? 66.7 bbls 20 bbls 120 bbls 40 bbls 2 / 10 What is the consequence of gas migration in a shut in well? All wellbore pressures will increase There is no real consequence if the gas is allowed to migrate up a shut-in well All wellbore pressures will decrease All wellbore pressures will stay the same 3 / 10 Why there must be spare capacity in the active pit system as a kick is circulated out of the well? Because if the kick is gas, it will expand and the pit level will increase To store the kick fluids as it gets out of the well Because if the kick is oil, it will expand and the pit level will increase To monitor for possible losses indicating that the maximum shoe pressure was exceeded 4 / 10 Use the scenario below to answer the following question: A vertical well is shut-in on a kick on a surface stack rig. Well Information: Depth = 9300 ft TV / 10100 ft MD Maximum Allowable Casing Pressure (MACP) = 1800 psi Mud Weight = 10.2 ppg Slow Pump Pressure (SPP) at 30 SPM = 400 psi Open Hole Strokes = 2620 stks Bottoms-Up Strokes = 7525 stks Kick Data: SIDPP = 400 psi SICP = 900 psi First circulation of Driller’s Method is used to circulate the gas kick out of the well. Initial Circulating Pressure (ICP) = 800 psi Casing Pressure = 1825 psi Strokes counter shows 1820 strokes pumped. What is happening to casing shoe pressure? Increasing once the casing pressure has exceeded the MACP Decreasing once the gas is above the shoe Decreasing once the gas is out of the well Increasing once the casing shoe is still above the kick 5 / 10 As a gas kick is being circulated along the horizontal section of the hole, what will happen to the active mud pit volume if the proper procedure is followed? Increase as the kill mud is displaced into the horizontal leg of the well Decrease as the kill mud is displaced into the horizontal leg of the well Remain approximately the same There is no way to know 6 / 10 Use the scenario below to answer the following question: A vertical well is shut-in on a kick on a surface stack rig. Well Information: Depth = 10200 ft TV / 13000 ft MD Maximum Allowable Casing Pressure (MACP) = 1750 psi Mud Weight = 11.1 ppg Slow Pump Pressure (SPP) at 40 SPM = 450 psi Open Hole Strokes = 2500 stks Bottoms-Up Strokes = 9225 stks Kick Data: SIDPP = 300 psi SICP = 700 psi First circulation of Driller’s Method is used to circulate the gas kick out of the well. Initial Circulating Pressure (ICP) = 750 psi Casing Pressure = 1800 psi Strokes counter shows 3100 strokes pumped. What is happening to casing shoe pressure? Increasing once the casing pressure has exceeded the MACP Decreasing once the gas is above the shoe Decreasing once the gas is out of the well Staying the same once the shoe is now below the gas 7 / 10 Use the scenario below to answer the following question: The well is shut-in on a kick. SIDPP = 300 psi SICP = 700 psi Both surface pressures are increasing after stabilization. What is the most likely cause of this? The formation has high permeability The casing shoe failed The formation pressure is increasing as the kick flows into the well The kick is migrating 8 / 10 What is the consequence of gas migration in a shut in well? Possible influx of formation fluids into the well Possible formation fracture There is no real consequence if the gas is allowed to migrate up a shut-in well It will be harder to open the well 9 / 10 Use the scenario below to answer the following question: The well is shut-in on a kick. Pit gain = 12 bbls Formation Pressure = 5500 psi Driller’s Method is used to kill the well. Gas hits the choke with a casing pressure of 1100 psi. What is the gas volume when the gas gets to the surface? 60 bbls 12 bbls 24 bbls 36 bbls 10 / 10 How does the expansion rate of a gas in the horizontal section of the well compare to the vertical section as the kick is circulated out of the hole? It will expand more It will expand less It will expand the same There is no way to know Your score is LinkedIn Facebook Twitter VKontakte 0% Restart quiz Please rate this quiz Send feedback
