TEXAS · WELLS · ANDREWS COUNTY · WALKER LEASE · API 42-003-35683 · DISTRICT 7B
Walker #1
Andrews County · Deep Rock (Penn.) field · Vertical
Walker #1 (API 42-003-35683) is a plugged well in Andrews County, plugged August 23, 2010, last operated by Chevron Midcontinent L.P..
The RRC has issued one drilling permit, issued November 26, 1986, permitted to 9,700 ft.
It was permitted by Union Oil Company Of California and has since transferred to Chevron Midcontinent L.P. on the wellbore schedule.
Completion filings report 5 formation tops, including Wolfcamp, Pennsylvanian, Canyon, Strawn.
Its lease has reported 5.59K barrels of oil and 31.8K mcf of gas since January 1993, last reporting in August 2010.
Operator of record
Permitted by Union Oil Company of California; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active (A)
- P-5 last filed
- Feb 26, 2026
- Permits on file
- 173
- Phone
- (866) 212-1212
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Chevron Midcontinent L.P. |
| Production reports | Pure Resources, L.P.through Nov 2001 |
| Latest permit | Union Oil Company of CaliforniaNov 26, 1986 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,700
- total depth, ft
- 1
- permits on file
- Nov 26, 1986
- last permit issued
- Jun 29, 1987
- completed
- 5.59K
- cumulative oil, bbl
- 31.8K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Aug 2010
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 29, 1987
- Shut in
- —
- Plugged
- Aug 23, 2010
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-10-31296 | Deep Rock (Penn.) | Chevron Midcontinent, L.P. | 1 | 5.59K | 31.8K | Jan 1993 – Aug 2010 |
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 → Apr 2000
- 2Pure Resources, L.P.Jun 2000 → Nov 2001
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 323474-99 | Drill | Union Oil Company of California | Nov 24, 1986 | Nov 26, 1986 | — | 9,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jun 29, 1987 | Walker O-10-31296 | Deep Rock (Penn.) | Chevron Midcontinent L.P. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,204 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Wolfcamp | 8,236 | -5,032 |
| WolfcampWOLFCAMP REEF | 8,536 | -5,332 |
| PennsylvanianPENN DETRITAL | 8,640 | -5,436 |
| PennsylvanianPENN LIME | 8,784 | -5,580 |
| Canyon | 8,894 | -5,690 |
| Strawn | 9,122 | -5,918 |
| Atoka | 9,350 | -6,146 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,792 | 9,218 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 365 | 17.5 | 500 S |
| 8.625 | 5,946 | 11 | 2,300 S |
| 5.5 | 9,399 | — | 860 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 | Jul 22, 1987 | Jul 8, 1987 | Yes |
| 00 | Jul 15, 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 42-003-35683 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-003-35683 → 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/00335683, documented in the API reference.