Case Study-RSS for Geosterring
2023-12-08
Well name: Yuan5-FP6
Client: DaQing DC
Oil Company: Daqing
Hole size: 8.5in
Depth in: 1920m
TD: @2695m
Footage made: 775m
TBRT: 96hr
Circulation time: 61.4 hours
Net drilling time: 40.9 hours
Average ROP: 18.9m/hour
Drilling operation complete in 1 run, made new record by least drilling time of 8.5in hole size in Daqing.
Challenge: uneven pay zone thickness and with poor continuity of distribution on the plane section, dip angle change, more mudstone budded,
the shale content increase after 2590m, sand formation insufficient developed.
Result Achieved: total sand formation NTG 96.6%, reservoir sand formation NTG 90.57%.
