Procedure for displacing the riser and Describe the procedure to use for displacement. associated lines. 2.14 Casing & Cementing Considerations Module Name: 2.14 Casing & Cementing Considerations Learning Topics Learning Objectives and Assessment Guidelines Sub-Modules AIM The instructor will impart knowledge on: The attendee will be able to: Explain why casing-running speed is controlled (for example, keep from Why the running speed is controlled. surging and swabbing the well). Explain why casing is filled when running in the hole (for example, to Procedures when maintain the integrity of the float valve due to differential pressure; to Filling casing when running in the hole. Running or Pulling M minimize the risk of casing collapse; to quickly recognize a kick inside the Casing casing; to prevent underbalance if the float fails). Explain problems of a self-filling float (for example, it allows formation Precautions when using a self-filling float. fluids to flow directly up inside the casing; it allows cement to backflow up inside the casing). Describe the effect of cement hardening on cement hydrostatic pressure Effect of cement hardening on cement Cement Waiting Time A and how that affects well control (for example, it reduces hydrostatic hydrostatic pressure and resulting BHP. pressure; there is potential for a kick). Importance of maintaining pump-rate and Identify reasons for monitoring flow changes during cementing and Monitor the Well monitoring pit levels during cementing and displacement operations (for example, to monitor for well flow or lost During and After displacement. circulation). I Cementing How a well is monitored during cement Describe the procedure for monitoring the well during the cement Operations waiting time. waiting time (for example, monitoring flow returns in the trip tank). Cement Testing Explain the importance of testing after a cement job (for example, to Procedure - Positive I Importance of testing after the cement job. measure the integrity of the cement in place; the difference between and Negative testing cement behind casing strings and testing cement plugs).
Procedure for displacing the riser and associated lines. Describe the procedure to use for displacement. 2.14 Casing & Cementing Considerations Module Name: 2.14 Casing & Cementing Considerations Sub-Modules AIM Learning Topics Learning Objectives and Assessment Guidelines The instructor will impart knowledge on: The attendee will be able to: Procedures when Running or Pulling Casing M Why the running speed is controlled. Explain why casing-running speed is controlled (for example, keep from surging and swabbing the well). Filling casing when running in the hole. Explain why casing is filled when running in the hole (for example, to maintain the integrity of the float valve due to differential pressure; to minimize the risk of casing collapse; to quickly recognize a kick inside the casing; to prevent underbalance if the float fails). Precautions when using a self-filling float. Explain problems of a self-filling float (for example, it allows formation fluids to flow directly up inside the casing; it allows cement to backflow up inside the casing). Cement Waiting Time A Effect of cement hardening on cement hydrostatic pressure and resulting BHP. Describe the effect of cement hardening on cement hydrostatic pressure and how that affects well control (for example, it reduces hydrostatic pressure; there is potential for a kick). Monitor the Well During and After Cementing Operations I Importance of maintaining pump-rate and monitoring pit levels during cementing and displacement. Identify reasons for monitoring flow changes during cementing and displacement operations (for example, to monitor for well flow or lost circulation). How a well is monitored during cement waiting time. Describe the procedure for monitoring the well during the cement waiting time (for example, monitoring flow returns in the trip tank). Cement Testing Procedure - Positive and Negative I Importance of testing after the cement job. Explain the importance of testing after a cement job (for example, to measure the integrity of the cement in place; the difference between testing cement behind casing strings and testing cement plugs).
WCT-02-DO-D_DrillingOps_SECOND-EDITION_rev0.docx