keyword

when did they start drilling for oil

Monthly search volume and cost-per-click data for "when did they start drilling for oil" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=when+did+they+start+drilling+for+oil&country=us" +--------------+------------------+ | volume | 30 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-05-25 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
when was oil discovered	1,900	$0	14/20
when did drilling for oil start	170	$0	13/20
when did oil drilling start	170	$0	13/20
when was oil first used	140	$0	11/20
what year was petroleum discovered	90	$0	11/20
history of oil companies	70	$0	12/20
history of drilling for oil	50	$0	12/20
history of oil drilling	50	$0	12/20
oil drilling history	50	$0	12/20
oil extraction history	40	$0	13/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=when+did+they+start+drilling+for+oil&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt