WELL · 42-353-31601 · DISTRICT 8
Walker #4
Nolan County · Jameson North (Strawn) field · Vertical
Walker #4 (API 42-353-31601) is a plugged well in Nolan County, plugged August 16, 2017, last operated by Shenandoah Petroleum Corporation.
The RRC has issued 2 drilling permits between 1984 and 1989, permitted to 7,200 ft.
It was permitted by Grand Banks Energy Company and has since transferred to Shenandoah Petroleum Corporation on the wellbore schedule.
Completion filings report 8 formation tops, including Base Coleman Jct, Top Base Coleman Jct, Coleman Junction, Noodle Creek.
Its lease has reported 13.5K barrels of oil and 592K mcf of gas since January 1993, last reporting in September 2024. The lease carries 4 wells, so these are lease totals, not this well alone.
Operator of record
Shenandoah Petroleum Corporation
Permitted by Grand Banks Energy Company; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Aug 4, 2025 · 236 permits on file · (432) 685-1964
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Shenandoah Petroleum Corporation |
| Production reports | Shenandoah Petroleum Corporationthrough Jan 2018 |
| Latest permit | Grand Banks Energy CompanyOct 20, 1989 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,200
- total depth, ft
- 2
- permits on file
- Oct 20, 1989
- last permit issued
- Oct 31, 1989
- completed
- 13.5K
- cumulative oil, bbl
- 592K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Sep 2024
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 31, 1989
- Shut in
- —
- Plugged
- Aug 16, 2017
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 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Walker O-10-26765 | Jameson, North (Strawn) | Shenandoah Petroleum Corporation | 4 | 13.5K | 592K | Jan 1993 – Sep 2024 |
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.
- 1Grand Banks Energy CompanyJan 1993 → May 1994
- 2Lomak Production CompanyJun 1994 → Aug 1998
- 3Range Production CompanySep 1998 → May 1999
- 4Lynx Energy Company, Inc.Jun 1999 → Dec 2001
- 5Lynx Operating Co., Inc.Jan 2002 → Feb 2002
- 6Shenandoah Petroleum CorporationMar 2002 → Jan 2018
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 365419-99 | Recompletion | Grand Banks Energy Company | Oct 20, 1989 | Oct 20, 1989 | — | 6,350 |
| 235991-99 | Drill | Montero Operating, Inc. | Apr 5, 1984 | Apr 18, 1984 | May 29, 1984 | 7,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-26765 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,547 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Base Coleman JCT | 4,005 | -1,458 |
| Top Base Coleman JCT | 4,005 | -1,458 |
| Coleman JunctionTOP BASE COLEMAN JUNCTION | 4,005 | -1,458 |
| Noodle Creek | 4,128 | -1,581 |
| Top Noodle Creek | 4,128 | -1,581 |
| Saddle CreekSADDLE CREEK LIME | 5,250 | -2,703 |
| Saddle CreekTOP SADDLE CREEK LIME | 5,250 | -2,703 |
| Middle Creek Sand | 6,105 | -3,558 |
| Odom | 7,167 | -4,620 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,149 | 6,238 | Perforated |
| 7,182 | 7,238 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 483 | 11 | 300 S |
| 5.5 | 6,488 | 7.875 | 1,150 S |
| 5.5 | 7,295 | 7.875 | 1,150 sx |
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 | Dec 21, 1989 | Nov 7, 1989 | Yes |
| 00 | Dec 14, 1989 | Nov 7, 1989 | — |
| 00 | Nov 21, 1989 | — | — |
| 00 | Jul 25, 1984 | Jul 16, 1984 | — |
| 00 | Jul 24, 1984 | Jul 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 42-353-31601 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-353-31601 → 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/35331601, documented in the API reference.