BUFFALO SPRINGFIELD #1-31

API 3501925437 · Carter County, Oklahoma

ACGAS

API

3501925437

Operator

CHARTER OAK PRODUCTION CO LLC

County

Carter

Location

Sec 31 03S 02W (IM)

Completions

Oklahoma files 2 completion reports for this well. One carries a production test the operator filed.

Completion 0

ACGAS

Spudded

2010-10-06

Drilling finished

2010-11-09

Completed

2011-01-28

First production

2010-12-19

Total depth

11,047 ft

Operator

CHARTER OAK PRODUCTION CO LLC

Casing

String	Size (in)	Weight (lb/ft)	Grade	Set (ft)	Cement (sacks)
—	—	—	—	—	0

Completion 1

STRAIGHT HOLEACGAS

Spudded

2010-10-06

Drilling finished

2010-11-09

Completed

2011-01-28

Recompleted

2015-04-07

First production

2010-12-19

Total depth

11,047 ft

Operator

CHARTER OAK PRODUCTION CO LLC

Intervals

Formation	Produced	Perforated (ft)	Treatment
TUSSY	GAS	7,432–7,440	Acid, Frac
CARPENTER	GAS	7,707–7,711	Acid, Frac
MORRIS /DES MOINES/	OIL	7,878–8,017	Acid, Frac
SYCAMORE	GAS	9,850–10,062	Acid, Frac
WOODFORD	GAS	10,264–10,368	Acid, Frac
HUNTON	DRY	10,809–10,868	Acid, Frac

Production tests

Tested	Oil (bbl/d)	Gas (MCF/d)	Water (bbl/d)	Gravity (°API)	Shut-in (psi)	Choke
2010-11-20	0	0	0	—	2,919	—
2011-01-28	60	81	24	37.5	1,911	—
2013-10-18	0	0	0	—	1,300	—
2015-04-07	3	50	5	38.2	150	—

A production test is one measurement the operator made on one day and filed with Oklahoma. It is not a monthly average and it does not describe how the well produced afterwards. The choke size is shown exactly as filed: Oklahoma records it in inches on some reports and in sixty-fourths of an inch on others, and names the unit on neither. A dash is a measurement Oklahoma did not file, or one it filed outside any physically possible range.

Casing

String	Size (in)	Weight (lb/ft)	Grade	Set (ft)	Cement (sacks)
PRODUCTION	5 1/2	17	N-80 & P-110	11,047	740
CONDUCTOR	16	—	—	45	4
SURFACE	9 5/8	36	N-80	1,408	500

Drilling permits

Oklahoma files 3 applications to drill this well, naming 17 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 2010-09-23

WRADRStraight hole

Permit API

35019254370000

Operator

CHARTER OAK PRODUCTION CO LLC

Well type

GAS

Approved

2010-09-23

Expires

2011-03-23

Proposed depth

11,750 ft

Surface casing

1,400 ft

Ground elevation

956 ft

Target formations

Formation	Expected top (ft)
TUSSY	7,500
CARPENTER	7,900
MORRIS /DES MOINES/	8,000
DORNICK HILLS	8,175
SPRINGER	8,200
CANEY	9,200
SYCAMORE	9,600
WOODFORD	10,000
HUNTON	10,500
VIOLA	11,300

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.

Filed 2014-09-29

WRARCStraight hole

Permit API

35019254370001

Operator

CHARTER OAK PRODUCTION CO LLC

Well type

GAS

Approved

2014-09-29

Expires

2015-03-29

Proposed depth

11,047 ft

Surface casing

1,408 ft

Ground elevation

956 ft

Target formations

Formation	Expected top (ft)
TUSSY	7,103
SYCAMORE	9,833
WOODFORD	10,105
HUNTON	10,795

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.

Application

REJRCStraight hole

Permit API

35019254370000

Operator

CHARTER OAK PRODUCTION CO LLC

Well type

GAS

Expires

2011-03-23

Proposed depth

11,047 ft

Surface casing

1,408 ft

Ground elevation

956 ft

Target formations

Formation	Expected top (ft)
SYCAMORE	9,600
WOODFORD	10,000
HUNTON	10,500

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

34.257731, -97.441347

34.25773, -97.44135 · Surface location as filed with Oklahoma⌘ or Ctrl + scroll to zoom

Every well in Carter County, Oklahoma

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