The Exploration and Production Unit generates drilling waste in its activities. This waste is managed in a specific way depending on its water content, providing

the treatment or destination best suited to its characteristics and facilitating more adequate management.

Drilling waste

Treatment/Destination 2017 2016 2015

Non-water based waste

Treatment for offshore disposal 202 0 0

Thermal desorption 4,867 13,216 0

Inerting 742 23,239 12,874

Incineration 0 2,880 0

Water-based waste

Inerting 36 0 0

Onshore disposal in controlled areas 7,464 8,813 21,525

Reuse 11,749 0 0

Incineration 2 0 0

Total 25,061 48,148 34,399

AmOUNT OF DRILLINg WASTE by TyPE OF TREATmENT (Tonnes)

94

CHAPTER 5 Cepsa in 2017