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HAMMACK #5A

API 3503921668 · Custer County, Oklahoma

ACGAS
API
3503921668
Operator
DIVERSIFIED PRODUCTION LLC
County
Custer
Location
Sec 5 15N 20W (IM)

Drilling permits

Oklahoma files 2 applications to drill this well, naming 11 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 1996-08-22

WRADR
Permit API
35039216680000
Operator
CHESAPEAKE OPERATING LLC
Well type
GAS
Approved
1996-08-22
Expires
1997-03-08
Proposed depth
11,000 ft
Surface casing
550 ft
Ground elevation
1,931 ft

Target formations

FormationExpected top (ft)
DOUGLAS (TONKAWA UP)7,700
TONKAWA8,340
COTTAGE GROVE8,930
CLEVELAND10,080
BIG LIME10,260

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.

Filed 1996-08-29

WRAAM
Permit API
35039216680001
Operator
CHESAPEAKE OPERATING LLC
Well type
GAS
Approved
1996-08-29
Expires
1997-03-15
Proposed depth
11,000 ft
Surface casing
550 ft
Ground elevation
1,931 ft

Target formations

FormationExpected top (ft)
DOUGLAS (TONKAWA UP)7,700
TONKAWA8,340
COTTAGE GROVE8,930
CLEVELAND10,080
BIG LIME10,260
PRUE10,920

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

35.809437, -99.346019

35.80944, -99.34602 · Surface location as filed with Oklahoma

Every well in Custer County, Oklahoma

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