42-483-33876

PRODUCING Horizontal

ELMORE 21

WHEELER County · District 10 · UNBRIDLED RESOURCES LLC · ALLISON-BRITT (12350)

Permits

1

Max Depth

16,000 ft

First Permit

2014-09-12

Latest Activity

2014-09-12

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2015-01-30

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: UNBRIDLED RESOURCES LLC ≠ Permit: CHESAPEAKE OPERATING, INC.

Resolved via: schedulingUNBRIDLED RESOURCES LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2015-01

Last Production

2026-07

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (10) Elevation 2,569 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
BROWN DOLOMITE (UPPER) - PANHAND (Brown Dolomite)4,681 ft-2,112 ft
BROWN DOLOMITE (LOWER) - PRESSUR (Brown Dolomite)5,163 ft-2,594 ft
PENNSYLVANIAN SHALE (Pennsylvanian)7,716 ft-5,147 ft
DOUGLAS 8,741 ft-6,172 ft
TONKAWA 9,567 ft-6,998 ft
BLAINE - PRESSURED (ARTISIAN) AN
GLORIETA - OLD WATERFLOOD; CORRO (Glorieta)
GRANITE WASHE - PANHANDLE FIELD
GRANITE WASHES
WICHITA DOLOMITE (Wichita-Albany)

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Perforations (1)

IntervalType
12,491–16,361 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"490 ft1,152 sx
9.625"6,600 ft2,674 sx
5.5"16,463 ft1,874 sx

Permit History (1)

Applications (1)

#792231 A CHESAPEAKE OPERATING, INC.
received 2014-07-21

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2015-02-26 log on file

Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in WHEELER County.

Well Details

Well Number
12H
Max Depth
16,000 ft
Drill Type
Horizontal
County
WHEELER
District
10
Completed
2015-01-30

Operator

Location
OKLAHOMA CI, TY
P-5 Status
Active (filed 2025-12-17)
Cum Oil (all leases)
2,156,940 bbl
Cum Gas (all leases)
150,390,040 mcf
Activities
OPRS/G, OPRS/O
Total Permits
6