3 ways to get oil fairly easily

Option 1:

1. Go caving

2. Tame dung beetle

3. Find feces/poop

4, put feces in dung beetle

5. Set beetle to wander

6. Wait

7. Collect oil and fertilizer

Option 2:

1. Tame rideable water creature (preferably dolphin)

2. Go down to da water (have at least some o2 w/ u)

3. Look for black trails of oil floating to the surface

4. Follow the trail to the source

5. Mine the source

Option 3:

1. Go down to da water

2. Find basilosaurus

3. Tame basilo

4. Wait 4 basilo to produce oil

5. Collect.

Bonus Option 4:

1. Go to artic (mainly the outskirts/the iceberg areas)

2. Find oil rock (big black rocks covered with snow)

3. Smack oil rock

4 get oil