WELL · 42-003-35815 · DISTRICT 8
Walker #1
Andrews County · Parker (Grayburg San Andres) field · Shut IN · Vertical
Walker #1 (API 42-003-35815) is a well in Andrews County operated by Morningstar Operating LLC, completed July 20, 1987 and listed as shut in on the RRC schedule.
The RRC has issued one drilling permit, issued May 21, 1987, permitted to 4,800 ft.
It was permitted by Rasmussen, Tom and has since transferred to Morningstar Operating LLC on the wellbore schedule.
Completion filings report one formation top, including Grayburg.
Its lease has reported 23.6K barrels of oil and 14.6K mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Permitted by Rasmussen, Tom; the EWA schedule now lists a different operator.
Fort Worth, TX · P-5 Y, filed Nov 4, 2025 · 12 permits on file · (817) 320-7919
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Morningstar Operating LLC |
| Production reports | Chevron Midcontinent, L.P.through Sep 2020 |
| Latest permit | Rasmussen, TomMay 21, 1987 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,800
- total depth, ft
- 1
- permits on file
- May 21, 1987
- last permit issued
- Jul 20, 1987
- completed
- 23.6K
- cumulative oil, bbl
- 14.6K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 20, 1987
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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 |
|---|---|---|---|---|---|---|
| Walker O-10-31350 | Parker (Grayburg, San Andres) | Morningstar Operating LLC | 1 | 23.6K | 14.6K | Jan 1993 – Jul 2026 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Union Oil Company of CaliforniaJan 1993 → May 2000
- 2Pure Resources, L.P.Jun 2000 → Mar 2006
- 3Chevron Midcontinent, L.P.Apr 2006 → Sep 2020
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 330561-99 | Drill | Rasmussen, Tom | May 21, 1987 | May 21, 1987 | — | 4,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-31350 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,188 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Grayburg | 4,278 | -1,090 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,433 | 4,596 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 287 | 12.25 | 185 S |
| 4.5 | 4,750 | 7.875 | 1,075 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 | Sep 4, 1987 | Aug 14, 1987 | Yes |
| 00 | Aug 25, 1987 | — | — |
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 42-003-35815 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-003-35815 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/00335815, documented in the API reference.