1. W ELL S CHEMATIC Proposed Schematic for BH-25 Allow safe Drilling and Tripping

2. Well Schematic : BH-25 (Clic Mouse) 2/102 18-5/8in Shoe @100m 13-3/8in Shoe @Emsian Top 9-5/8in Shoe @150m into Silurian 7in Shoe @ DMK TOP MPD Drillilng with Rotating Head Tie Back avec DDV 1.Drilling 26in Hole Section till 100m to scure plateforme. 2.RIH and Cement 18-5/8in Casing 3. Drilling 16in Hole Section till 1m into Emsian. 4.RIH and Cement 13-3/8in Casing 5.Drilling 12,25n Hole Section till 150m into Silurian. 6.RIH and Cement 9-5/8in Casing. (The casing shoe of 9-5/8in will be fixed according to DDV placement study which will be done by WFD company) 7.Drilling 8,5n Hole Section till 1m above DMK (The Last 50m must be drilled wit Bit resistivity). 8.RIH and Cement 7in Liner 9.RIH with Tie-Back and DDV 10.Rig Up MPD equipements. 11.Drilling Through the reservoir with MPD or Total Losses. 12. The DDV will allow a Safe RIH and POOH 13.The 4-1/2in Liner will be Ran and Cemented using MPD devises ???