WELL · 42-205-30289 · DISTRICT 10
Walker Ranch 236 #2036
Hartley County · Rehm N. (Granite Wash) field · Vertical
Walker Ranch 236 #2036 (API 42-205-30289) is a well in Hartley County operated by Corlena Oil Company, completed March 4, 1998.
The RRC has issued one drilling permit (amended once), issued January 23, 1998, permitted to 6,600 ft.
It was permitted by Mortimer Exploration Company and has since transferred to Corlena Oil Company on the wellbore schedule.
Completion filings report 4 formation tops, including Pennsylvanian, Base Of Lefty Lime, Granite Wash, Strawn.
Its 2 leases have reported 180K barrels of oil since June 1996, last reporting in July 2026. The leases carry 7 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Mortimer Exploration Company; the EWA schedule now lists a different operator.
Amarillo, TX · P-5 Y, filed Feb 4, 2026 · 132 permits on file · (806) 679-4420
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Corlena Oil Company |
| Production reports | DDD Exploration, Inc.through Apr 2026 |
| Latest permit | Mortimer Exploration CompanyJan 23, 1998 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,600
- total depth, ft
- 2
- permits on file
- Jan 23, 1998
- last permit issued
- Mar 4, 1998
- completed
- 180K
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 1996 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 4, 1998
- 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 2 leases this well is completed on; they carry 7 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Walker Ranch O-14-7128 | Rehm, N. (Granite Wash) | DDD Exploration, Inc. | 6 | 168K | 0 | Jun 1996 – Jul 2026 |
| Walker Ranch 236 O-14-7297 | Rehm, N. (Granite Wash) | Corlena Oil Company | 1 | 12K | 0 | Mar 1998 – Jan 2001 |
Oil, barrels lease total
Last 12 months 591 · prior 12 480(+23%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Mortimer Exploration CompanyJun 1996 → May 2000
- 2Corlena Oil CompanyJun 2000 → Oct 2010
- 3Founders Oil Company, LLCNov 2010 → Mar 2012
- 4Alegre Energy, Inc.Apr 2012 → Dec 2016
- 5Proline Energy Resources IncJan 2017 → May 2019
- 6DDD Exploration, Inc.Feb 2020 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 472548-98 | Drill | Mortimer Exploration Company | Jan 12, 1999 | Jan 23, 1998 | — | 6,600 |
| 472548-99 | Drill | Mortimer Exploration Company | Jan 23, 1998 | Jan 23, 1998 | Jan 29, 1998 | 6,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-14-7128 | — | — | — | — |
| — | — O-14-7297 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,853 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| PennsylvanianBASE OF PENN | 5,460 | -1,607 |
| Base of Lefty Lime | 6,030 | -2,177 |
| Granite Wash | 6,130 | -2,277 |
| Strawn | 6,580 | -2,727 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,130 | 6,144 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 590 | 17.5 | 375 S |
| 8.625 | 2,500 | 12.25 | 800 S |
| 5.5 | 6,585 | 7.875 | 325 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 | Nov 16, 2000 | Mar 27, 1998 | Yes |
| 00 | Jan 25, 1999 | Mar 27, 1998 | Yes |
| 00 | Jan 13, 1999 | — | — |
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 42-205-30289 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-205-30289 → 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/20530289, documented in the API reference.