TEXAS · WELLS · CROCKETT COUNTY · ROBERTSON, W. B. JR. LEASE · API 42-105-38630 · DISTRICT 6E
Robertson W. B. Jr. #4
Crockett County · Ozona (Canyon Sand) field · Producing · Vertical
Robertson W. B. JR. #4 (API 42-105-38630) is a well in Crockett County operated by Red Stag Operating LLC, completed June 30, 2001 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued April 13, 2001, permitted to 9,300 ft.
It was permitted by Harrison Interests, Ltd. and has since transferred to Red Stag Operating LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Base K, San Andres, Spraberry, Canyon.
Its lease has reported 5.36K barrels of oil and 764K mcf of gas since June 2001, last reporting volume in April 2026.
Operator of record
Permitted by Harrison Interests, Ltd.; the EWA schedule now lists a different operator.
- Based in
- Ozona, TX
- P-5 status
- Active (A)
- P-5 last filed
- Mar 3, 2026
- Phone
- (325) 392-3721
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Red Stag Operating LLC |
| Production reports | Red Stag Operating, LLCthrough Apr 2026 |
| Latest permit | Harrison Interests, Ltd.Apr 13, 2001 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,300
- total depth, ft
- 1
- permits on file
- Apr 13, 2001
- last permit issued
- Jun 30, 2001
- completed
- 5.36K
- cumulative oil, bbl
- 764K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2001 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 30, 2001
- 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 |
|---|---|---|---|---|---|---|
| Robertson, W. B. Jr. G-9-183951 | Ozona (Canyon Sand) | Red Stag Operating, LLC | 1 | 5.36K | 764K | Jun 2001 – Apr 2026 |
Gas, mcf lease total
Last 12 months 7,488 · prior 12 2,449(+206%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Harrison Interests, Ltd.Jun 2001 → Oct 2017
- 2DJH Oil & Gas LLCNov 2017 → Dec 2023
- 3Red Stag Operating, LLCJan 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 507559-99 | Drill | Harrison Interests, Ltd. | Apr 9, 2001 | Apr 13, 2001 | Jun 13, 2001 | 10,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jun 30, 2001 | Robertson W. B. Jr. G-9-183951 | Ozona (Canyon Sand) | Red Stag Operating LLC | Producing | 9,300 |
Formation tops
As filed on W-2/G-1. Subsea from 2,489 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Base K | 630 | 1,859 |
| San Andres | 911 | 1,578 |
| SpraberrySPRAYBERRY | 3,752 | -1,263 |
| CanyonTOP OF CANYON | 5,845 | -3,356 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,895 | 6,983 | Perforated |
| 8,736 | 8,750 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,326 | 11 | 380 S |
| 4.5 | 9,156 | 7.875 | 875 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 | Sep 27, 2001 | Aug 9, 2001 | Yes |
| 00 | Aug 30, 2001 | — | — |
Well logs
The RRC's map lists this well among those with logs online. Its monthly inventories loaded here, which start in July 2006, list none for it, so none are itemized.
Open the RRC's log search for this well ↗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 42-105-38630 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-105-38630 → scanned completion filings
The logs loaded for this well are under Well logs, with the RRC's log search for it. The University Lands library has no per-well link: then paste it into its 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/10538630, documented in the API reference.