casing

Check casing hanger made up to full length casing joint to facilitate easier handling. Check correct length dedicated landing joint (buttress box top conn.) to screw directly into cement head. Check cement head set up for buttress thread. Casing pup joints need to be a minimum of 3m in length for the Overdrive system. Check Weatherford Overdrive casing running and pick up/lay down machine – Checklist

Unable to reach setting depth with liner The liner hanger starts to set at approximately 1,400psi / (100 bar) differential pressure. Take care that circulation pressure does not exceed 900psi / (62 bar). If it takes more than 900psi / (62 bar) pressure to circulate. Make sure that the Liner hanger is in tension before 7” Liner Contingency Planning

Hold Toolbox talk on rig floor, to advise all rig-personnel involved of the objectives, summary of the running procedure, and to discuss any particular care or safety concerns. Company Man and Mud Logger to prepare Liner Weight + Metal Displacement Diagrams. Pick up shoe-track sub assemblies and perform floating equipment test. Install pip tags in 7” liner running procedure

Pre-job planning meeting with all key personnel. Discuss with LWD coordinator during pre-phase meeting regarding download memory data from LWD on last run to lay down tool instead of leaving tools hanging. Use pipe (XT-54) when running 7” BAKER liner hanger RT, in case it is not able to pull the string then the pipe 7” Liner Running Operations – Preparation checklist

Pre-job planning meeting with all key personnel. Reference Manufacturer Operations Guidelines. Discuss with LWD coordinator during pre-phase meeting regarding download memory data from LWD on last run to lay down tool instead of leaving tools hanging. Check if modified thread compound in compliance with API 5A3 (e.g. Lube Seal API Modified) is available as it 7” Liner Running Preparation checklist

Ensure a circulating swedge is available for washing down the hole. Ensure the casing tongue HT100 are on the floor together with the correct size jaws. The stab-in shoe should have been installed on 20” casing joint. Casing will be cemented using an inner string. Check that the centraliser, stinger string and correct back up 20” Casing Operations Checklist

Before running the 13-3/8” casing, make sure that the rig is correctly aligned with the rotary table centred over the wellhead (note: the DP will now be racked back so the weight distribution from when drilling will have changed). This is to prevent damaging the wellhead at seal area. This can be done when jetting 13 3/8” Casing Preparation and Running Checklist

4.5″ Liner Running Checklist Pre-job planning meeting with all key personnel. Refer to Tubular supplier Guidelines. Liner weight and displacement graphs to be prepared. Pip tags to be available prior to running liner. Back up shoe, float and landing collars should be available on location. Make sure to drift DP in the derrick during the Liner running Operations – Best Practices

Rig up checklist Rig down the rig elevator and bails, make sure the iron roughneck has been laid out Remove the saver sub using the pipe handler of the top drive (rig procedure). Check the make-up torque setting of the pipe handler prior to removing the saver sub. Verify that the pipe handler stays inline Running Casing with Weatherford Overdrive system – Best Practices

Wear Bushing retrieved Pre-job safety brief held with all parties Back up float and shoe equipment in store or easily available All float equipment is PDC drillable and written on the tools Tailing device available if required Casing crew checked out tongs/power pack Bakerlock/wire brush/barite available on rig floor Float equipment checked out  Floats to Casing running checklist