When calculating cement displacement consider very cold weather as the efficiency of the mud pumps will be reduced under these conditions.
Drilling Contractor to provide an air heater to blow under the cement units before and during the cement operations to ensure no freezing in the cold weather. Ensure that heater is on location and working before start of operations.
Before the cement job fluff the cement by transferring from one tank to another tank to ensure it will transfer in the cold weather.
Cementing Compay needs to ensure that their equipment has had the water blown out after pressure testing.
When running in the NBP pulling tool it had to be pushed into the hole as the side valves on the well head were frozen and the fluid could not be drained from the stack. While pulling out of hole the steam truck should be utilized to ensure the side valves are not frozen.
For 3SB-ST connections to avoid over doping in cold weather apply dope as normal to pin but only to seal area of coupling. Refer to Tenaris Operational Guidelines (in this folder).