1. The act of drilling a hole in the earth in the hope of producing petroleum
   - boring, drilling

Derived forms: oil productions

Type of: production

Encyclopedia: Oil production

• thick-billed murre
• thick-bodied
• thick-branched
• thick-footed morel
• thick-haired
• thick-knee
• thick-lipped
• thick-skinned
• thick-skulled
• thick-stemmed
• thick-witted
• thicken
• thickened
• thickener
• thickening
• thicket
• thicket-forming
• thickhead
• thickheaded
• thickly
• thickly settled
• thickness
• thicko
• thickset
• thickspread