Analyze surface conditions that can make it difficult to accurately measure pit level (for example, inoperable pit level sensors; rig Conditions on surface that can make it movement; incorrect line-up of the circulation system; mixing mud; difficult to get accurate pit level readings. dumping or transferring fluid/by-pass shakers; tides; the riser not being connected; use of the riser boost line). Explain and demonstrate action(s) to take if there is a pit level Action(s) to take in the event of an abnormal increase/decrease (for example, flow check, shut-in, and investigate other pit level. options such as the pit line-up [only after shut-in]). Abnormal trip tank returns when tripping Identify abnormal trip tank readings from a trip sheet. pipe or during wireline operations. Explain why it is important to monitor flow rates at all times when the rig Why flow rates are closely monitored at all is connected to the well (for example, open hole always has a potential to times. flow; tested barriers may fail). How to monitor the well to detect flow rate Demonstrate the set-up of the flow rate monitoring system (for example, increases. the correct line-up). Demonstrate the set-up of the flow rate alarm system (for example, the Acceptable alarm limits for flow rates. acceptable values for high and low level alarms set on the flow rate indicator). Flow Return Rate M What operations can increase or decrease Assess surface operations for false flow rate indications of a kick or losses Increase flow rate that are not related to increased (for example, increased SPM; a dumping trip tank; leaks in the surface flow or losses in the well. system). Analyze surface conditions that can make it difficult to accurately Accurate flow rate readings. measure flow rate (for example, an inoperable flow sensor; rig movement; tides; a leaking slip joint; the use of the riser boost line). Explain and demonstrate action(s) to take if there is a flow rate Action(s) to take if there is an abnormal flow increase/decrease (for example, flow check, shut-in, and investigate other reading. options [only after shut-in]).
Conditions on surface that can make it difficult to get accurate pit level readings. Analyze surface conditions that can make it difficult to accurately measure pit level (for example, inoperable pit level sensors; rig movement; incorrect line-up of the circulation system; mixing mud; dumping or transferring fluid/by-pass shakers; tides; the riser not being connected; use of the riser boost line). Action(s) to take in the event of an abnormal pit level. Explain and demonstrate action(s) to take if there is a pit level increase/decrease (for example, flow check, shut-in, and investigate other options such as the pit line-up [only after shut-in]). Abnormal trip tank returns when tripping pipe or during wireline operations. Identify abnormal trip tank readings from a trip sheet. Flow Return Rate Increase M Why flow rates are closely monitored at all times. Explain why it is important to monitor flow rates at all times when the rig is connected to the well (for example, open hole always has a potential to flow; tested barriers may fail). How to monitor the well to detect flow rate increases. Demonstrate the set-up of the flow rate monitoring system (for example, the correct line-up). Acceptable alarm limits for flow rates. Demonstrate the set-up of the flow rate alarm system (for example, the acceptable values for high and low level alarms set on the flow rate indicator). What operations can increase or decrease flow rate that are not related to increased flow or losses in the well. Assess surface operations for false flow rate indications of a kick or losses (for example, increased SPM; a dumping trip tank; leaks in the surface system). Accurate flow rate readings. Analyze 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). Action(s) to take if there is an abnormal flow reading. Explain and demonstrate action(s) to take if there is a flow rate increase/decrease (for example, flow check, shut-in, and investigate other options [only after shut-in]).
WCT-02-DO-D_DrillingOps_SECOND-EDITION_rev0.docx