MACK COGBURN #1-29

API 3510723536 · Okfuskee County, Oklahoma

PANT
API
3510723536
Operator
WILLIAMS CLAYTON ENERGY INC
County
Okfuskee

Completion

Oklahoma files 1 completion report for this well.

Completion 0

STRAIGHT HOLEPANT
Spudded
2015-01-06
Drilling finished
2015-01-14
Completed
2016-01-12
Total depth
4,000 ft
Operator
WILLIAMS CLAYTON ENERGY INC

Interval

FormationProducedPerforated (ft)
HUNTONDRY2,900–3,662

Casing

StringSize (in)Weight (lb/ft)GradeSet (ft)Cement (sacks)
PRODUCTION5 1/215.5J-55 LTC3,992285
SURFACE8 5/824J-55 STC235150

Drilling permit

Oklahoma files 1 application to drill this well, naming 5 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 2014-11-12

WRADRStraight hole
Permit API
35107235360000
Operator
WILLIAMS CLAYTON ENERGY INC
Well type
NT
Approved
2014-11-12
Expires
2015-05-12
Proposed depth
4,000 ft
Surface casing
150 ft
Ground elevation
857 ft

Target formations

FormationExpected top (ft)
GILCREASE2,880
CROMWELL3,050
HUNTON3,655
VIOLA3,755
SIMPSON3,795

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.

Every well in Okfuskee County, Oklahoma

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