WELL · 42-237-38923 · DISTRICT 9
Richards Ranch #4H
Jack County · Newark East (Barnett Shale) field · Horizontal
Richards Ranch #4H (API 42-237-38923) is a horizontal well in Jack County operated by Cobra Oil & Gas Corporation, completed June 1, 2006.
The RRC has issued 2 drilling permits between 2006 and 2012, permitted to 6,000 ft.
Completion filings report 6 formation tops, including Strawn, Atoka, Bend, Hood.
Its 2 leases have reported 302K barrels of oil and 8.77M mcf of gas since June 2006, last reporting in July 2026. The leases carry 30 wells, so these are lease totals, not this well alone.
Operator of record
Wichita Falls, TX · P-5 Y, filed Dec 4, 2025 · 778 permits on file · (940) 720-2597
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Cobra Oil & Gas Corporation |
| Production reports | FX Energy Operating, LLCthrough Apr 2026 |
| Latest permit | Cobra Oil & Gas CorporationJul 2, 2012 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,000
- total depth, ft
- 2
- permits on file
- Jul 2, 2012
- last permit issued
- Jun 1, 2006
- completed
- 302K
- cumulative oil, bbl
- 8.77M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2006 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 1, 2006
- Shut in
- —
- Plugged
- —
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 2 leases this well is completed on; they carry 30 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Richards Ranch O-13-32285 | KRS (Marble Falls) | FX Energy Operating, LLC | 29 | 302K | 8.4M | Jul 2012 – Jul 2026 |
| Richards Ranch G-13-245237 | Newark, East (Barnett Shale) | Cobra Oil & Gas Corporation | 1 | 0 | 364K | Jun 2006 – Jul 2012 |
Gas, mcf lease total
Last 12 months 163,282 · prior 12 255,832(-36%)
Oil, barrels lease total
Last 12 months 2,663 · prior 12 5,282(-50%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1EOG Resources, Inc.Jun 2006 → Nov 2011
- 2Veritas Energy, LLCDec 2011 → Jan 2012
- 3Cobra Oil & Gas CorporationFeb 2012 → Oct 2013
- 4Newark E&P Operating, LLCNov 2013 → Jun 2017
- 5White Knight Production LLCJul 2017 → Feb 2024
- 6FX Energy Operating, LLCMar 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 743422-99 | Recompletion | Cobra Oil & Gas Corporation | Jun 22, 2012 | Jul 2, 2012 | Jul 2, 2012 | 6,000 |
| 613307-99 | Drill | EOG Resources, Inc. | Jan 31, 2006 | Feb 6, 2006 | Mar 17, 2006 | 6,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-13-245237 | — | — | — | — |
| — | — O-13-32285 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,235 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,266 | 5,597 | Perforated |
| 6,050 | 9,450 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 324 | 12.25 | 215 S |
| 4.5 | 9,562 | 7.875 | 1,270 S |
| 4.5 | 9,562 | 8.75 | 1,270 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 | Dec 17, 2012 | Aug 28, 2012 | — |
| 00 | Mar 24, 2009 | Aug 24, 2006 | Yes |
| 00 | Feb 25, 2009 | — | — |
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 42-237-38923 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-237-38923 → 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.
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/23738923, documented in the API reference.