WELL · 42-279-30367 · DISTRICT 8
Stephenson Unit #598
Lamb County · Anton-Irish (Wolfcamp) field · Vertical
Stephenson Unit #598 (API 42-279-30367) is a well in Lamb County operated by Occidental Permian Ltd., completed November 15, 2002.
The RRC has issued 2 drilling permits (amended twice) between 2002 and 2015, permitted to 7,500 ft.
Completion filings report 8 formation tops, including Rustler, Yates, Queen, San Andres.
Its 2 leases have reported 66.7M barrels of oil and 35M mcf of gas since January 1993, last reporting in July 2026. The leases carry 592 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed Dec 4, 2025 · 6,251 permits on file · (713) 215-7000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Occidental Permian Ltd. |
| Production reports | Occidental Permian Ltd.through Apr 2026 |
| Latest permit | Occidental Permian Ltd.Mar 24, 2015 |
- 7,500
- total depth, ft
- 4
- permits on file
- Mar 24, 2015
- last permit issued
- Nov 15, 2002
- completed
- 66.7M
- cumulative oil, bbl
- 35M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 15, 2002
- 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 592 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Anton-Irish Clearfork Unit O-11-304 | Anton-Irish | Occidental Permian Ltd. | 591 | 66.1M | 34.9M | Jan 1993 – Jul 2026 |
| Stephenson Unit O-11-68519 | Anton-Irish (Wolfcamp) | Occidental Permian Ltd. | 1 | 530K | 145K | Nov 2002 – Aug 2015 |
Oil, barrels lease total
Last 12 months 872,518 · prior 12 911,995(-4%)
Gas, mcf lease total
Last 12 months 1,801,654 · prior 12 1,779,086(+1%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Amoco Production CompanyJan 1993 → Feb 1997
- 2Altura Energy Ltd.Mar 1997 → Apr 2000
- 3Occidental Permian Ltd.May 2000 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 804947-98 | Recompletion | Occidental Permian Ltd. | May 22, 2015 | Mar 24, 2015 | Mar 24, 2015 | 6,700 |
| 804947-99 | Recompletion | Occidental Permian Ltd. | Mar 24, 2015 | Mar 24, 2015 | — | 6,200 |
| 523872-98 | Drill | Occidental Permian Ltd. | Jan 21, 2003 | Sep 20, 2002 | Oct 1, 2002 | 7,500 |
| 523872-99 | Drill | Occidental Permian Ltd. | Sep 19, 2002 | Sep 20, 2002 | — | 7,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-11-304 | — | — | — | — |
| — | — O-11-68519 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,452 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Rustler | 1,618 | 1,834 |
| Yates | 2,166 | 1,286 |
| Queen | 2,845 | 607 |
| San Andres | 3,195 | 257 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 3,195 | 257 |
| Glorieta | 4,265 | -813 |
| Tubb | 5,209 | -1,757 |
| Clear ForkCLEARFORK - ACTIVE CO2 FLOOD | 5,300 | -1,848 |
| WolfcampWOLFCAMP SHALE | 6,625 | -3,173 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,930 | 6,180 | Perforated |
| 6,720 | 6,798 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,622 | 12.25 | 700 S |
| 5.5 | 6,720 | 7.875 | 1,450 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 | Aug 4, 2015 | Jul 29, 2015 | — |
| 00 | Mar 10, 2003 | Nov 21, 2002 | Yes |
| 00 | Jan 28, 2003 | — | — |
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 42-279-30367 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-279-30367 → 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/27930367, documented in the API reference.