WELL · 42-501-33310 · DISTRICT 8
Walden C. J. #1
Yoakum County · Block D South (Devonian) field · Producing · Vertical
Walden C. J. #1 (API 42-501-33310) is a well in Yoakum County operated by Southwest Royalties Inc., completed March 23, 1988 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued December 8, 1987, permitted to 12,500 ft.
It was permitted by Howell Petroleum Corporation and has since transferred to Southwest Royalties Inc. on the wellbore schedule.
Completion filings report 2 formation tops, including Woodford, Devonian.
Its lease has reported 373K barrels of oil and 548 mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Permitted by Howell Petroleum Corporation; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jan 6, 2026
- Permits on file
- 497
- Phone
- (432) 685-9038
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Southwest Royalties Inc. |
| Production reports | Southwest Royalties, Inc.through Apr 2026 |
| Latest permit | Howell Petroleum CorporationDec 8, 1987 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,500
- total depth, ft
- 2
- permits on file
- Dec 8, 1987
- last permit issued
- Mar 23, 1988
- completed
- 373K
- cumulative oil, bbl
- 548
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 23, 1988
- 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 |
|---|---|---|---|---|---|---|
| Walden, C. J. O-11-66194 | Block D, South (Devonian) | Southwest Royalties, Inc. | 1 | 373K | 548 | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 1,402 · prior 12 331(+324%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Howell Petroleum CorporationJan 1993 → Mar 1996
- 2Browning Oil Company, Inc.Apr 1996 → Jul 2003
- 3Nordstrand Engineering, Inc.Aug 2003 → Mar 2010
- 4Blue Ridge Resources, LLCMay 2010 → Aug 2013
- 5Desert Production, Inc.Sep 2013 → Sep 2020
- 6Southwest Royalties, Inc.Oct 2020 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 339786-98 | Drill | Howell Petroleum Corporation | Dec 28, 1987 | Dec 8, 1987 | Jan 14, 1988 | 12,500 |
| 339786-99 | Drill | Howell Petroleum Corporation | Dec 7, 1987 | Dec 8, 1987 | — | 12,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-11-66194 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,950 | 11,970 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 470 | 17.5 | 475 S |
| 8.625 | 5,800 | 12.25 | 3,194 S |
| 5.5 | 11,971 | 7.875 | 1,940 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 | Jun 14, 1988 | May 11, 1988 | Yes |
| 00 | Jun 9, 1988 | — | — |
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 42-501-33310 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-501-33310 → 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/50133310, documented in the API reference.