WELL · 42-503-42379 · DISTRICT 9
Clarida Knox #12
Young County · Young County Regular field · Vertical
Clarida Knox #12 (API 42-503-42379) is a plugged well in Young County, plugged January 19, 2026, last operated by WB Mullin Operating LLC.
The RRC has issued one drilling permit, issued November 1, 2017, permitted to 1,200 ft.
It was permitted by Ellard Oil and has since transferred to WB Mullin Operating LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Gunsight, Cisco, Atoka, Bryson.
Its lease has reported 240 barrels of oil since January 2018, last reporting in March 2026.
Operator of record
Permitted by Ellard Oil; the EWA schedule now lists a different operator.
Graham, TX · P-5 Y, filed Jul 4, 2026 · 12 permits on file · (469) 387-8046
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | WB Mullin Operating LLC |
| Production reports | WB Mullin Operating LLCthrough Jun 2025 |
| Latest permit | Ellard OilNov 1, 2017 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 1,200
- total depth, ft
- 1
- permits on file
- Nov 1, 2017
- last permit issued
- Jan 3, 2018
- completed
- 240
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2018 THROUGH Mar 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 3, 2018
- Shut in
- —
- Plugged
- Jan 19, 2026
Surface location
33.330550, -98.532296
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Young 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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Clarida Knox O-13-33714 | Young County Regular | WB Mullin Operating LLC | 1 | 240 | 0 | Jan 2018 – Mar 2026 |
Oil, barrels lease total
Last 12 months 18 · prior 12 49(-63%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Ellard OilJan 2018 → Jul 2019
- 2WB Mullin Operating LLCDec 2021 → Jun 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 832416-99 | Drill | Ellard Oil | Oct 25, 2017 | Nov 1, 2017 | Dec 5, 2017 | 1,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-13-33714 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,072 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 676 | 682 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 4.5 | 1,068 | 6.625 | 185 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 | Mar 28, 2018 | Feb 15, 2018 | 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 42-503-42379 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-503-42379 → 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.
Loftin, W.P. -A-42-503-42410
1.3 KM · Three P Operating Co.,gp, L.L.C. · Section with this well →
| Gunsight | 632 | 532 |
| Caddo | — | |
| Canyon | — | |
| Cisco | — | |
| Gunsight | — | |
| Buttram | — | |
| Herron City | — | |
| Palo Pinto | — |
10 TOPS · FIRST 8
Loftin 'B'42-503-42411
1.4 KM · Three P Operating Co.,gp, L.L.C. · Section with this well →
| Gunsight | 620 | 538 |
| Caddo | — | |
| Canyon | — | |
| Cisco | — | |
| Bryson | — | |
| Buttram | — | |
| Atoka | — | |
| Herron City | — |
10 TOPS · FIRST 8
Loftin B42-503-42434
1.4 KM · Three P Operating Co.,gp, L.L.C. · Section with this well →
| Gunsight | 624 | 538 |
| Atoka | — | |
| Strawn | — | |
| Palo Pinto | — | |
| Herron City | — | |
| Cisco | — | |
| Canyon | — | |
| Caddo | — |
10 TOPS · FIRST 8
Loftin, W.P. -A-42-503-42433
1.5 KM · Three P Operating Co.,gp, L.L.C. · Section with this well →
| Gunsight | 630 | 538 |
| Atoka | — | |
| Bryson | — | |
| Buttram | — | |
| Caddo | — | |
| Canyon | — | |
| Cisco | — | |
| Herron City | — |
10 TOPS · FIRST 8
B.W. King42-503-84428
1.8 KM · WP Oil & Gas Exploration LLC · Section with this well →
| Gunsite Lime | 556 | 635 |
| Gunsight | — | |
| Bryson | — | |
| Herron City | — | |
| Cisco | — | |
| Canyon | — | |
| Caddo | — | |
| Atoka | — |
11 TOPS · FIRST 8
C.W. Langston A42-503-42490
2.2 KM · Tomsha LLC · Section with this well →
| Gunsight | 528 | 642 |
| Buttram | — | |
| Caddo | — | |
| Canyon | — | |
| Cisco | — | |
| Atoka | — | |
| Bryson | — | |
| Herron City | — |
10 TOPS · FIRST 8
C.W. Langston A42-503-42519
2.2 KM · Tomsha LLC · Section with this well →
| Gunsight | 555 | 608 |
| Conglomerate | — | |
| Atoka | — | |
| Barnett | — | |
| Buttram | — | |
| Caddo | — | |
| Cisco | — | |
| Marble Falls | — |
10 TOPS · FIRST 8
O.R. Carpenter42-503-42429
2.4 KM · Texas Shallow Oil & Gas, LLC · Section with this well →
| Gunsight | 550 | 656 |
| Atoka | — | |
| Bryson | — | |
| Buttram | — | |
| Caddo | — | |
| Canyon | — | |
| Cisco | — | |
| Herron City | — |
10 TOPS · FIRST 8
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/50342379, documented in the API reference.