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WELCH TRUST #1-21

API 3508323268 · Logan County, Oklahoma

PANT
API
3508323268
Operator
HOLLRAH EXPLORATION COMPANY
County
Logan
Location
Sec 21 15N 03W (IM)

Drilling permit

Oklahoma files 1 application to drill this well, naming 10 target formations. A permit records what an operator asked to do, not what it did. A target formation is where the operator aimed, and the hole may have missed it, stopped short of it or never been drilled.

Filed 1994-10-17

WRADR
Permit API
35083232680000
Operator
HOLLRAH EXPLORATION COMPANY
Well type
NT
Approved
1994-10-17
Expires
1995-05-01
Proposed depth
6,400 ft
Surface casing
475 ft
Ground elevation
1,038 ft

Target formations

FormationExpected top (ft)
TONKAWA4,000
TRUE LAYTON4,900
CLEVELAND5,200
PRUE5,710
BARTLESVILLE5,830
HUNTON5,900
VIOLA6,060
SIMPSON DOLO6,150
WILCOX 16,200
WILCOX 26,300

An expected top is the depth the operator predicted before drilling, on the application it filed with Oklahoma. It is not a measurement of where the formation was found.

Location

35.762431, -97.515539

35.76243, -97.51554 · Surface location as filed with Oklahoma

Every well in Logan County, Oklahoma

Oklahoma state record, from OK_wells_rbdms-wells.parquet. Corpus built 2026-09-11.