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MAURER #1-21

API 3505122725 · Grady County, Oklahoma

ACOIL
API
3505122725
Operator
EMJO OPERATIONS INC
County
Grady
Location
Sec 21 05N 05W (IM)

Drilling permits

Oklahoma files 4 applications to drill this well, naming 33 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 1997-11-25

WRADR
Permit API
35051227250000
Operator
CHESAPEAKE OPERATING LLC
Well type
OIL
Approved
1997-11-25
Expires
1998-06-08
Proposed depth
13,700 ft
Surface casing
750 ft
Ground elevation
1,015 ft

Target formations

FormationExpected top (ft)
OSBORN9,300
HORSE FLY (HORSEFLY)10,350
SYCAMORE10,700
WOODFORD10,850
HUNTON11,100
VIOLA11,750
BROMIDE12,350
TULIP CREEK12,700
MCLISH12,850
ARBUCKLE13,600

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 1997-12-22

WRAAM
Permit API
35051227250001
Operator
CHESAPEAKE OPERATING LLC
Well type
OIL
Approved
1997-12-22
Expires
1998-06-22
Proposed depth
13,700 ft
Surface casing
1,000 ft
Ground elevation
1,022 ft

Target formations

FormationExpected top (ft)
OSBORN9,300
HORSE FLY (HORSEFLY)10,350
SYCAMORE10,700
WOODFORD10,850
HUNTON11,100
VIOLA11,750
BROMIDE12,350
TULIP CREEK12,700
MCLISH12,850
ARBUCKLE13,600

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 1998-12-03

WRARC
Permit API
35051227250002
Operator
CHESAPEAKE OPERATING LLC
Well type
OIL
Approved
1998-12-03
Expires
1999-06-03
Proposed depth
13,650 ft
Surface casing
1,009 ft
Ground elevation
1,015 ft

Target formations

FormationExpected top (ft)
SYCAMORE10,720
HUNTON11,093
VIOLA11,758

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 2004-04-23

WRARC
Permit API
35051227250003
Operator
CHESAPEAKE OPERATING LLC
Well type
OIL
Approved
2004-04-23
Expires
2004-10-23
Proposed depth
13,650 ft
Surface casing
1,009 ft
Ground elevation
1,015 ft

Target formations

FormationExpected top (ft)
OSBORN9,300
CUNNINGHAM /PARKS/SPRINGER/9,368
SYCAMORE10,720
WOODFORD10,852
HUNTON11,093
VIOLA11,758
BROMIDE12,258
TULIP CREEK12,684
MCLISH12,846
OIL CREEK13,094

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

34.893730, -97.725689

34.89373, -97.72569 · Surface location as filed with Oklahoma

Every well in Grady County, Oklahoma

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