SLB Rollups on covered calls

I probably didn’t have to cover the short position but at least I rolled for a positive cash flow.
Bought to close SLB 11/29/2019 36.50 Calls / Sold SLB 12/06/2019 37.00 Calls @ 0.14 Credit + 0.50 higher strike.
Bought to close SLB 11/29/2019 36.50 Calls / Sold SLB 12/13/2019 37.50 Calls @ 0.22 Credit + 1.00 higher strike.
The stock is Ex-div next week for 0.50 too.

Edit:
Added to my short 37.00 Calls for next week @ 0.27 & at 0.29 against old long calls in December and January.
#DoubleDip