Give examples of surface conditions that can make it difficult to Flow Return Rate Conditions on surface that can make it M accurately measure flow rate (for example, an inoperable flow sensor; rig Increase difficult to get accurate flow rate readings. movement; tides; a leaking slip joint; the use of the riser boost line). Shut-In Procedures & Verification Demonstrate how to shut-in the well (for example, surface or subsea Drilling M How to shut-in the well while drilling. [including hang-off] the correct line-up for drilling; the hang-off capability of rams). Explain or demonstrate how to shut-in the well while tripping (for Tripping M How to shut-in the well while tripping. example, surface or subsea [including hang-off]). Explain the procedure for diverting, including the correct line-up for Diverting M Diverting procedure. diverting. Well Control Methods Demonstrate the Driller's role in startup (for example, operating pumps, Pump Startup I Startup procedure for subsea stacks. monitoring and recording pressures, communicating with choke operator Procedure and determining the ICP). Trapped stack gas. Explain the term “trapped gas.” Explain why having trapped gas below the BOP is a problem (for example, Problem of stack gas at the subsea BOP. the potential for rapid expansion when the BOP is opened: in deeper Stack Gas Clearing I water, the severity increases greatly). Procedure Explain the procedure for removing trapped gas safely (for example, Procedure for safely removing trapped stack flushing stack and choke/kill lines, u-tubing from the riser up the choke gas. line, and monitoring for riser gas expansion). Explain why old mud is displaced to kill mud in the riser before opening Reason for displacing the riser mud to kill the BOP (for example, to match the kill mud in hole and to prevent a drop mud following a kill. Displacing Riser Post in BHP when BOP is opened). I Kill Procedure for displacing the riser and Describe the procedure to use for displacement. associated lines.
Flow Return Rate Increase M Conditions on surface that can make it difficult to get accurate flow rate readings. Give examples of surface conditions that can make it difficult to accurately measure flow rate (for example, an inoperable flow sensor; rig movement; tides; a leaking slip joint; the use of the riser boost line). Shut-In Procedures & Verification Drilling M How to shut-in the well while drilling. Demonstrate how to shut-in the well (for example, surface or subsea [including hang-off] the correct line-up for drilling; the hang-off capability of rams). Tripping M How to shut-in the well while tripping. Explain or demonstrate how to shut-in the well while tripping (for example, surface or subsea [including hang-off]). Diverting M Diverting procedure. Explain the procedure for diverting, including the correct line-up for diverting. Well Control Methods Pump Startup Procedure I Startup procedure for subsea stacks. Demonstrate the Driller's role in startup (for example, operating pumps, monitoring and recording pressures, communicating with choke operator and determining the ICP). Stack Gas Clearing Procedure I Trapped stack gas. Explain the term “trapped gas.” Problem of stack gas at the subsea BOP. Explain why having trapped gas below the BOP is a problem (for example, the potential for rapid expansion when the BOP is opened: in deeper water, the severity increases greatly). Procedure for safely removing trapped stack gas. Explain the procedure for removing trapped gas safely (for example, flushing stack and choke/kill lines, u-tubing from the riser up the choke line, and monitoring for riser gas expansion). Displacing Riser Post Kill I Reason for displacing the riser mud to kill mud following a kill. Explain why old mud is displaced to kill mud in the riser before opening the BOP (for example, to match the kill mud in hole and to prevent a drop in BHP when BOP is opened). Procedure for displacing the riser and associated lines. Describe the procedure to use for displacement.