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Gulf Refining Company vs Shell Oil Company

Side-by-side comparison of two oil and gas operators in IL,KY,MI and CA,IL,KS,KY,LA,MI,MO,MT,ND,NM,NY,OK,PA,TX,WY. Drawn from public well data and state-regulator production filings.

Important — Public-Data Disclaimer. The information shown on this page is sourced exclusively from publicly available oil and gas regulatory records (Texas Railroad Commission, Oklahoma Corporation Commission, and aggregated public well data). Valor is presenting these public records side-by-side as an informational convenience only.

Gulf Refining Company

IL,KY,MI · 1,882 wells on file

Shell Oil Company

CA,IL,KS,KY,LA,MI,MO,MT,ND,NM,NY,OK,PA,TX,WY · 15,208 wells on file

Side-by-Side Statistics

MetricGulf Refining CompanyShell Oil Company
Total wells1,88215,208
Wells producing (any time)131,866
Permits filed (last 24 months)06
Most recent permit date2014-12-092025-10-07
Most recent spud date1956-04-292023-03-09
Average lateral length (ft)1,8371,766
Top formationIllinois BasinAntrim
Top countyClintonHamilton
States operating inIL,KY,MICA,IL,KS,KY,LA,MI,MO,MT,ND,NM,NY,OK,PA,TX,WY
Last-12mo oil production (BBL)03,743
Last-12mo gas production (Mcf)022,166

Shared Territory

Both operators have wells in these counties:

Clinton

Both operators target these formations / plays:

AntrimIllinois Basin

Per-Operator Top Counties & Formations

Gulf Refining Company

Counties: Clinton (168) · Jefferson (144) · Clay (138) · White (125) · Wayne (101)

Formations: Illinois Basin (1,015) · Arkla Basin (281) · Antrim (237) · Gulf Oil (131) · Wildcat - Wildcat (63)

Shell Oil Company

Counties: Hamilton (308) · Franklin (302) · Los Angeles (285) · Clinton (283) · Santa Barbara (248)

Formations: Antrim (1,614) · Illinois Basin (1,485) · Gulf Coast Basin (La - Tx) (1,409) · Monterey (680) · Monterey-Temblor (604)

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