WELL · 42-211-31135 · DISTRICT 10
Alexander "D" #4
Hemphill County · Vertical
Alexander "D" #4 (API 42-211-31135) is a permitted well in Hemphill County filed by Zephyr Lone Star Oper CO.,L.L.C.; no completion report is on file yet.
The RRC has issued 2 drilling permits between 1979 and 2003, permitted to 20,700 ft.
Completion filings report 6 formation tops, including Red Beds, Osage, Kinderhook, Woodford.
Operator of record
Zephyr Lone Star Oper Co.,l.l.c.
Oklahoma City, OK · P-5 Y, filed Dec 4, 2025 · 30 permits on file · (405) 642-2504
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Resource Oil and Gas, LLCthrough Apr 2026 |
| Latest permit | Zephyr Lone Star Oper Co.,l.l.c.Sep 16, 2003 |
- 20,700
- total depth, ft
- 2
- permits on file
- Sep 16, 2003
- last permit issued
- —
- completed
- 0
- cumulative oil, bbl
- 449K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- 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 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 |
|---|---|---|---|---|---|---|
| Alexander -D- G-14-91414 | Washita Creek (Hunton 19475) | Resource Oil and Gas, LLC | 1 | 0 | 449K | Jan 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 252 · prior 12 216(+17%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Phillips Petroleum CompanyJan 1993 → Jan 2001
- 2Zephyr Lone Star Oper Co.,l.l.c.Dec 2008 → Oct 2016
- 3Resource Oil and Gas, LLCJul 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 536161-99 | Recompletion | Zephyr Lone Star Oper Co.,l.l.c. | Sep 8, 2003 | Sep 16, 2003 | — | 13,143 |
| 55541-99 | Drill | Phillips Petroleum Company | Aug 3, 1979 | Aug 3, 1979 | Feb 10, 1980 | 20,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-14-91414 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,457 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Red Beds | 200 | 2,257 |
| Osage | 18,990 | -16,533 |
| Kinderhook | 19,894 | -17,437 |
| Woodford | 19,948 | -17,491 |
| Hunton | 20,026 | -17,569 |
| Sylvan Shale | 20,490 | -18,033 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 20,091 | 20,112 | Perforated |
| 20,310 | 20,322 | Perforated |
| 20,330 | 20,342 | Perforated |
| 20,354 | 20,366 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 20 | 84 | — | — |
| 13.375 | 3,551 | 17.5 | 3,100 S |
| 13.375 | 3,569 | 17.5 | 3,100 S |
| 9.625 | 13,657 | 12.25 | 2,200 S |
| 9.625 | 13,657 | — | 3,200 S |
| 5.5 | 16,794 | — | 800 S |
| 4.5 | 20,545 | — | — |
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 | Jun 22, 1993 | Apr 27, 1993 | — |
| 00 | Jan 12, 1984 | Jan 12, 1981 | — |
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 42-211-31135 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-211-31135 → 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/21131135, documented in the API reference.