- (01) ROTARY DRILLING 200 m deep IN OULED ALLEL. Guide tube laid at 10 m in steel and HDPE PN16 casing and strainer. 12 ¼ drilling and 17 ½ reaming. (SEAAL)
- (01) ROTARY drilling 200 m deep in TAYEB DJOUGLALI. Guide tube laid at 10 m in steel and HDPE PN16 casing and strainer. 12 ¼ drilling and 17 ½ reaming.(SEAAL)
- (01) ROTARY DRILLING 200 m deep in SIDI MOUSSA. Guide tube laid at 10 m in steel and HDPE PN16 casing and strainer. 12 ¼ drilling and 17 ½ reaming. (ADE)
- (03) ROTARY DRILLING 200m deep in MAZAFRAN. Guide tube laid at 10 m in steel and HDPE PN16 casing and strainer. 12 ¼ drilling and 17 ½ reaming.(SEAAL)
- (04) ROTARY DRILLING 200m deep in ADRAR. Guide tube laid at 10 m in steel and steel casing and strainer. Drilling in 12 ¼ and reaming in 17 ½. (GAZ DE FRANCE).
- (03) ROTARY DRILLING 200m deep in TAYBET W.EL OUED. Guide tube laid at 10 m in steel and steel casing and strainer. Drilling in 12 ¼ and reaming in 17 ½. (PETROVIETNAM).
- (02) ROTARY DRILLING 200m deep in EL BORMA W. Ouargla. Guide tube laid at 10 m in steel and steel casing and strainer. Drilling in 12 ¼ and reaming in 17 ½. (REPSOL).
