RSS Service Case A
2023-10-26
- 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:total sand formation NTG 96.6%, reservoir sand formation NTG 90.57%.