CHAPMAN #1-8

API 3509520492 · Marshall County, Oklahoma

EXNT

API

3509520492

Operator

CHESAPEAKE OPERATING LLC

County

Marshall

Location

Sec 8 05S 06E (IM)

Drilling permits

Oklahoma files 7 applications to drill this well, naming 42 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 2007-05-31

WRADR

Permit API

35095204920000

Operator

IRON SIGHTS OPERATING INC

Well type

Approved

2007-05-31

Expires

2007-12-01

Proposed depth

8,850 ft

Surface casing

810 ft

Ground elevation

796 ft

Target formations

Formation	Expected top (ft)
SPRINGER	5,290
CANEY	8,020
SYCAMORE	8,192
WOODFORD	8,338
HUNTON	8,635
SYLVAN	8,774

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 2007-05-31

DELAMStraight hole

Permit API

35095204920000

Operator

CHESAPEAKE OPERATING LLC

Well type

Approved

2007-05-31

Expires

2007-11-30

Proposed depth

9,200 ft

Surface casing

1,500 ft

Ground elevation

790 ft

Target formations

Formation	Expected top (ft)
SPRINGER	5,290
CANEY	8,020
SYCAMORE	8,192
WOODFORD	8,338
HUNTON	8,635
SYLVAN	8,774

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 2007-05-31

DELAMDirectional hole

Permit API

35095204920000

Operator

CHESAPEAKE OPERATING LLC

Well type

Approved

2007-05-31

Expires

2007-11-30

Proposed depth

9,200 ft

Surface casing

1,500 ft

Ground elevation

790 ft

Target formations

Formation	Expected top (ft)
SPRINGER	5,290
CANEY	8,020
SYCAMORE	8,192
WOODFORD	8,338
HUNTON	8,635
SYLVAN	8,774

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 2007-05-31

DELAMStraight hole

Permit API

35095204920000

Operator

CHESAPEAKE OPERATING LLC

Well type

Approved

2007-05-31

Expires

2007-11-30

Proposed depth

9,200 ft

Surface casing

1,500 ft

Ground elevation

790 ft

Target formations

Formation	Expected top (ft)
SPRINGER	5,290
CANEY	8,020
SYCAMORE	8,192
WOODFORD	8,338
HUNTON	8,635
SYLVAN	8,774

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 2007-05-31

DELAMDirectional hole

Permit API

35095204920000

Operator

CHESAPEAKE OPERATING LLC

Well type

Approved

2007-05-31

Expires

2007-11-30

Proposed depth

9,200 ft

Surface casing

1,500 ft

Ground elevation

790 ft

Target formations

Formation	Expected top (ft)
SPRINGER	5,290
CANEY	8,020
SYCAMORE	8,192
WOODFORD	8,338
HUNTON	8,635
SYLVAN	8,774

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 2007-05-31

WRADRStraight hole

Permit API

35095204920001

Operator

IRON SIGHTS OPERATING INC

Well type

Approved

2007-05-31

Expires

2007-11-30

Proposed depth

8,850 ft

Surface casing

1,500 ft

Ground elevation

790 ft

Target formations

Formation	Expected top (ft)
SPRINGER	5,290
CANEY	8,020
SYCAMORE	8,192
WOODFORD	8,338
HUNTON	8,635
SYLVAN	8,774

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 2007-05-31

WRAAMDirectional hole

Permit API

35095204920002

Operator

CHESAPEAKE OPERATING LLC

Well type

Approved

2007-05-31

Expires

2008-05-30

Proposed depth

9,200 ft

Surface casing

1,500 ft

Ground elevation

790 ft

Target formations

Formation	Expected top (ft)
SPRINGER	5,290
CANEY	8,020
SYCAMORE	8,192
WOODFORD	8,338
HUNTON	8,635
SYLVAN	8,774

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

34.132564, -96.699520

34.13256, -96.69952 · Surface location as filed with Oklahoma⌘ or Ctrl + scroll to zoom

Every well in Marshall County, Oklahoma

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