WELL · 42-237-40512 · DISTRICT 9
Williams #12
Jack County · Jack County Regular field · Producing · Vertical
Williams #12 (API 42-237-40512) is a well in Jack County operated by Rio Bravo Production LLC, completed May 1, 2019 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued August 1, 2018, permitted to 350 ft.
It was permitted by Stamper Operating CO., Inc. and has since transferred to Rio Bravo Production LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Gunsight, Atoka, Bryson, Butram.
Its lease has reported 7.18K barrels of oil since December 2014, last reporting in July 2026. The lease carries 9 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Stamper Operating Co., Inc.; the EWA schedule now lists a different operator.
Graham, TX · P-5 Y, filed Jul 4, 2026 · 3 permits on file · (940) 781-0078
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Rio Bravo Production LLC |
| Production reports | Rio Bravo Production, LLCthrough Apr 2026 |
| Latest permit | Stamper Operating Co., Inc.Aug 1, 2018 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 350
- total depth, ft
- 1
- permits on file
- Aug 1, 2018
- last permit issued
- May 1, 2019
- completed
- 7.18K
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2014 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 1, 2019
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
33.303056, -98.349204
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Jack County.
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; they carry 9 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Williams O-13-33599 | Jack County Regular | Rio Bravo Production, LLC | 9 | 7.18K | 0 | Dec 2014 – Jul 2026 |
Oil, barrels lease total
Last 12 months 158 · prior 12 232(-32%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Stamper Operating Co., Inc.Jan 2015 → Dec 2023
- 2Rio Bravo Production, LLCJan 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 842816-99 | Drill | Stamper Operating Co., Inc. | Jul 25, 2018 | Aug 1, 2018 | Mar 20, 2019 | 350 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-13-33599 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,090 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 282 | 294 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 5.5 | 282 | 7.875 | 75 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. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Nov 6, 2019 | Sep 25, 2019 | 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 42-237-40512 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-237-40512 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Williams42-237-40482
0.7 KM · Stamper Operating Co., Inc. · Section with this well →
| Gunsight | 261 | 815 |
| Gunsight | 261 | 815 |
| Gunsight | 263 | 813 |
| Bryson | — | |
| Weir | — | |
| Village Bend | — | |
| Strawn | — | |
| Palo Pinto | — |
10 TOPS · FIRST 8
Williams42-237-40483
0.7 KM · Stamper Operating Co., Inc. · Section with this well →
| Gunsight | 264 | 812 |
| Butram | — | |
| Bryson | — | |
| Atoka | — | |
| Caddo | — | |
| Strawn | — | |
| Palo Pinto | — | |
| Canyon | — |
10 TOPS · FIRST 8
Carter, Lester 'A'42-237-40624
1.5 KM · Xplore Operating, LLC · Section with this well →
| Gunsight | 380 | 710 |
| Butram | 2,394 | -1,304 |
| Bryson | 3,324 | -2,234 |
| Weir | — | |
| Atoka | — | |
| Caddo | — | |
| Canyon | — | |
| Palo Pinto | — |
10 TOPS · FIRST 8
Carter, Lester 'A'42-237-30710
1.6 KM · Xplore Operating, LLC · Section with this well →
| Gunsight | 380 | 720 |
| Butrum | 2,628 | -1,528 |
| Bryson | 3,337 | -2,237 |
Williams, T. D.42-237-35886
1.9 KM · Xplore Operating, LLC · Section with this well →
| Gunsight | 380 | 717 |
| Butram | 2,460 | -1,363 |
| Weir | 2,650 | -1,553 |
| Strawn | 3,948 | -2,851 |
| Bryson | 3,951 | -2,854 |
| Caddo | 4,574 | -3,477 |
| Marble Falls | 4,933 | -3,836 |
| Village Bend | — |
11 TOPS · FIRST 8
Peek, Ruth C.42-237-40488
2.0 KM · Jonco · Section with this well →
| Gunsight | 289 | 799 |
| Caddo | — | |
| Weir | — | |
| Village Bend | — | |
| Strawn | — | |
| Palo Pinto | — | |
| Bryson | — | |
| Butram | — |
10 TOPS · FIRST 8
Lester Carter 'A'42-237-37836
2.1 KM · Xplore Operating, LLC · Section with this well →
| Gunsight | 1,340 | -321 |
| Palo Pinto | 1,726 | -707 |
| Village Bend Lime | 2,284 | -1,265 |
| Bryson | 3,386 | -2,367 |
| Bryson | 3,414 | -2,395 |
| Bryson | — | |
| Atoka | — | |
| Canyon | — |
14 TOPS · FIRST 8
King, Alma42-237-38085
2.2 KM · Xplore Operating, LLC · Section with this well →
| Dog Bend | 2,034 | -932 |
| Village Bend | 2,210 | -1,108 |
| Bryson | 3,330 | -2,228 |
| Caddo | 4,400 | -3,298 |
| Marble Falls | 4,840 | -3,738 |
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/23740512, documented in the API reference.