حفاری چاه نفت
preferred label: oil well drilling @en
type: Concept
related: چاه افقی

چاه افقی
related: حفاری چاه نفت
broader: چاه نفت
preferred label: horizontal well @en
type: Concept

چاه نفت
preferred label: oil well @en
type: Concept
narrower: چاه افقی