TEXAS · WELLS · WHEELER COUNTY · MILLER LEASE · API 42-483-32980 · DISTRICT 08
Miller #12H
Wheeler County · Stiles Ranch (Granite Wash Cons) field · Producing · Horizontal
Miller #12H (API 42-483-32980) is a horizontal well in Wheeler County operated by Unbridled Resources LLC, completed July 20, 2010 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended twice), issued April 7, 2010, permitted to 12,956 ft.
It was permitted by Chesapeake Operating, Inc. and has since transferred to Unbridled Resources LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Base Heebner, Tonkawa, Des Moines.
Its lease has reported 161K barrels of oil and 6.56M mcf of gas since July 2010, last reporting volume in April 2026.
Operator of record
Permitted by Chesapeake Operating, Inc.; the EWA schedule now lists a different operator.
- Based in
- Oklahoma City, OK
- P-5 status
- Active (A)
- P-5 last filed
- Dec 17, 2025
- Permits on file
- 6
- Phone
- (318) 751-3917
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Unbridled Resources LLC |
| Production reports | Unbridled Resources, LLCthrough Apr 2026 |
| Latest permit | Chesapeake Operating, Inc.Apr 7, 2010 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,956
- total depth, ft
- 3
- permits on file
- Apr 7, 2010
- last permit issued
- Jul 20, 2010
- completed
- 161K
- cumulative oil, bbl
- 6.56M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 2010 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 20, 2010
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Miller G-14-259117 | Stiles Ranch (Granite Wash Cons) | Unbridled Resources, LLC | 1 | 161K | 6.56M | Jul 2010 – Apr 2026 |
Gas, mcf lease total
Last 12 months 124,295 · prior 12 138,417(-10%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Chesapeake Operating, Inc.Oct 2010 → Oct 2014
- 2Chesapeake Operating, L.L.C.Nov 2014 → Jun 2016
- 34P Energy Texas, LLCJul 2016 → Oct 2020
- 4Unbridled Resources, LLCNov 2020 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 693948-97 | Drill | Chesapeake Operating, Inc. | Jun 7, 2010 | Apr 7, 2010 | Jun 7, 2010 | 14,000 |
| 693948-98 | Drill | Chesapeake Operating, Inc. | Apr 20, 2010 | Apr 7, 2010 | Jun 7, 2010 | 14,000 |
| 693948-99 | Drill | Chesapeake Operating, Inc. | Apr 6, 2010 | Apr 7, 2010 | Jun 7, 2010 | 14,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jul 20, 2010 | Miller G-14-259117 | Stiles Ranch (Granite Wash Cons) | Unbridled Resources LLC | Producing | 12,956 |
Formation tops
As filed on W-2/G-1. Subsea from 2,232 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Base Heebner | 9,151 | -6,919 |
| Tonkawa | 10,009 | -7,777 |
| Des MoinesDES MOINES C2 | 12,848 | -10,616 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 13,154 | 17,511 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 900 | 12.25 | 690 S |
| 5.5 | 11,927 | 6.125 | — |
| 7 | 12,450 | 8.75 | 585 S |
| 4.5 | 17,633 | 6.25 | 465 S |
Completion filings
W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Apr 27, 2011 | Nov 17, 2010 | — |
| 00 | Mar 9, 2011 | Sep 17, 2010 | Yes |
The source documents
Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.
- Wellbore filings for 42-483-32980 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-483-32980 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
About this data
Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.
New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease
Developers: this page as JSON is GET /v1/data/wells/48332980, documented in the API reference.