This operator listing provides verified business information to support transparency within the regional energy industry. Information is provided as a public service and does not constitute association, endorsement, or business recommendation.
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Directory information verified and updated for 2026
Well counts and activity computed by Valor from public oil and gas data, as of 2026-10-30. Wells of record include plugged and inactive wells; states and top county reflect wells not plugged or abandoned.
Computed by Valor from public oil and gas data. Uses complete reporting months only (latest: December 2025).
Average percentile rank across four signals, against 3,262 operators. 50 = typical.
| Signal | Value | Percentile |
|---|---|---|
| Average lateral (ft) | 1,014 | 42 |
| Share of wells that have produced | 61.8% | 52 |
| Permits per 100 wells (24 mo) | 1 | 83 |
| Production change, YoY | -7.4% | 54 |
If Gilliland Oil & Gas appears on your royalty check or a division order, you're a mineral owner in their area of operation. Valor manages minerals for owners — we confirm which wells cover your tracts, audit every check line by line, recover suspended or underpaid royalties, and keep your interests paid correctly. Valor manages minerals; it never buys them.
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Company: Gilliland Oil & Gas
Most unplugged wells: Grant County, OK (public well data as of 2026-10-30)
Gilliland Oil & Gas operates as an independent energy company active in SCOOP/STACK play operations. Public oil and gas well data as of 2026-10-30 shows Gilliland Oil & Gas's largest count of unplugged wells in Grant County, OK.
Valor's operator directory, using public oil and gas well data as of 2026-10-30, shows Gilliland Oil & Gas's largest count of unplugged wells in Grant County, OK.
Oklahoma ranks as a top-five oil and gas producing state, with the Oklahoma Corporation Commission overseeing more than 8,000 active operators across the Anadarko, Arkoma, and Cherokee basins. Understanding the regulatory and operational landscape is essential for companies like Gilliland Oil & Gas and those seeking to partner with energy sector operators. Learn more about Valor's operator services.
Our Oklahoma expertise includes SCOOP and STACK play revenue accounting, Oklahoma Corporation Commission regulatory compliance, and specialized services for unconventional resource development. Comprehensive operator services include revenue accounting, joint interest billing, owner relations, and regulatory compliance. Explore all operator services or learn about the benefits of outsourcing to Valor.
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Disclaimer: Valor is not a law firm, CPA firm, or investment advisor and does not provide legal, tax, or investment advice. The information on this page is provided as a courtesy only and should not be construed as professional advice. Mineral owners should consult with their own qualified legal, tax, and investment advisors before making any decisions regarding the sale or management of their mineral rights.
