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       SL - ALS - 2 comprehensive logging equipment is a comprehensive logging equipment with the world's advanced technologies nowdays co-produced by Shengli Oilfield Shengyou Logging Engineering Technology Co., Ltd. and French Geoservices Company. The localization rate of the equipment has already reached 80% with quite mature manufacturing engineering and standards; the 10 SL - ALS - 2 comprehensive logging units in commission are running in stable with reliable performance and mature functions, playing the functions of "Geological Vanguard with Fiery Eyes and Diamond Pupils" for petroleum exploration and development. As technology improves, a new generation SL - ALS - 2.2 equipment with functions getting more and more complete and features with more and more humanization design will be developed soon.