You searched for: “oleophilic
oleophilic (adjective), more oleophilic, most oleophilic
Pertaining to a substance having an affinity for oils; lipophilic: Sponges are termed as being oleophilic, or having the ability of absorbing oil easily.

Sponges are also "superhydrophobic", which means they are extremely difficult to wet, and remain on the surface of water.