WELL · 42-429-32913 · DISTRICT 7
Walker-Caldwell #51
Stephens County · Stephens County Regular field · Vertical
Walker-Caldwell #51 (API 42-429-32913) is a well in Stephens County operated by Oryx Energy Company, completed September 24, 1981.
The RRC has issued one drilling permit, issued May 12, 1981, permitted to 3,350 ft.
It was permitted by Petroleum Corporation Of Texas and has since transferred to Oryx Energy Company on the wellbore schedule.
Completion filings report one formation top, including Caddo.
Its lease has reported 5.48M barrels of oil and 677K mcf of gas since January 1993, last reporting in July 2026. The lease carries 107 wells, so these are lease totals, not this well alone.
It holds an active disposal or injection permit, with 1.1M barrels injected in the 12 months reported through May 2026.
Operator of record
Permitted by Petroleum Corporation of Texas; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed Feb 5, 1999 · 1,627 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Oryx Energy Company |
| Production reports | Basa Resources, Inc.through Apr 2026 |
| Latest permit | Petroleum Corporation of TexasMay 12, 1981 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 3,350
- total depth, ft
- 1
- permits on file
- May 12, 1981
- last permit issued
- Sep 24, 1981
- completed
- 5.48M
- cumulative oil, bbl
- 677K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 24, 1981
- 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; they carry 107 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Caldwell-Breckenridge Unit O-8-24831 | Stephens County Regular | Basa Resources, Inc. | 107 | 5.48M | 677K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 93,273 · prior 12 98,502(-5%)
Gas, mcf lease total
Last 12 months 10,269 · prior 12 9,889(+4%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Oryx Energy CompanyJan 1993 → Mar 1999
- 2Kerr-McGee CorporationApr 1999 → Sep 1999
- 3Kerr-McGee Oil & Gas Onshore LLCOct 1999 → Jul 2003
- 4Basa Resources, Inc.Aug 2003 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 118954-99 | Drill | Petroleum Corporation of Texas | May 12, 1981 | May 12, 1981 | Jul 2, 1981 | 3,350 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-8-24831 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,251 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,163 | 3,186 | Perforated |
| 3,163 | 3,228 | Perforated |
| 3,222 | 3,228 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 148 | 12.25 | 110 S |
| 2.375 | 3,278 | — | — |
| 5.5 | 3,298 | 7.875 | 250 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 14, 1989 | Jul 24, 1989 | — |
| 00 | Jun 3, 1988 | Jan 16, 1984 | — |
| 00 | May 28, 1988 | — | — |
| 00 | Mar 22, 1984 | Jan 16, 1984 | — |
| 00 | Jan 12, 1984 | Jan 16, 1984 | — |
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 42-429-32913 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-429-32913 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 1.1M
- bbl, last 12 reported months
- 24.3M
- bbl, all reported
- May 2026
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000069656 | H-1 Injection | Active | 5,000 | 1,500 | 3,163–3,228 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 1,102,681 · prior 12 1,179,743(-7%)
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/42932913, documented in the API reference.