TEXAS · WELLS · LIPSCOMB COUNTY · WALKER LEASE · API 42-295-33688 · DISTRICT 08
Walker #1641H
Lipscomb County · Lipscomb (Cleveland) field · Shut In · Horizontal
Walker #1641H (API 42-295-33688) is a horizontal well in Lipscomb County operated by Unbridled Resources LLC, completed February 21, 2012 and listed as shut in on the RRC schedule, shut in July 1, 2021.
The RRC has issued one drilling permit, issued April 8, 2011, permitted to 8,630 ft.
It was permitted by Chesapeake Operating, Inc. and has since transferred to Unbridled Resources LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Avant, Checkerboard, Cleveland.
Its lease has reported 235K barrels of oil and 733K mcf of gas since August 2011, last reporting in July 2026.
Operator of record
Permitted by Chesapeake Operating, Inc.; the EWA schedule now lists a different operator.
- Based in
- Oklahoma City, OK
- P-5 status
- Active (A)
- P-5 last filed
- Dec 17, 2025
- Permits on file
- 6
- Phone
- (318) 751-3917
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Unbridled Resources LLC |
| Production reports | Unbridled Resources, LLCthrough Nov 2020 |
| Latest permit | Chesapeake Operating, Inc.Apr 8, 2011 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,630
- total depth, ft
- 1
- permits on file
- Apr 8, 2011
- last permit issued
- Feb 21, 2012
- completed
- 235K
- cumulative oil, bbl
- 733K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2011 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 21, 2012
- Shut in
- Jul 1, 2021
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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-14-8643 | Lipscomb (Cleveland) | Unbridled Resources, LLC | 1 | 235K | 733K | Aug 2011 – 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.
- 1Chesapeake Operating, Inc.Feb 2012 → Oct 2014
- 2Chesapeake Operating, L.L.C.Nov 2014 → Jun 2016
- 34P Energy Texas, LLCJul 2016 → Oct 2020
- 4Unbridled Resources, LLCNov 2020 → Nov 2020
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 713414-99 | Drill | Chesapeake Operating, Inc. | Apr 1, 2011 | Apr 8, 2011 | Jul 24, 2011 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Feb 21, 2012 | Walker O-14-8643 | Lipscomb (Cleveland) | Unbridled Resources LLC | Shut In · shut in Jul 1, 2021 | 8,630 |
Formation tops
As filed on W-2/G-1. Subsea from 2,673 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Avant | 8,116 | -5,443 |
| Checkerboard | 8,450 | -5,777 |
| Cleveland | 8,490 | -5,817 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,645 | 13,003 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 860 | 12.25 | 440 S |
| 7 | 7,956 | 8.75 | 415 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 | Oct 28, 2013 | Jun 27, 2013 | — |
| 00 | Mar 25, 2013 | Oct 18, 2011 | Yes |
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 42-295-33688 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-295-33688 → 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/29533688, documented in the API reference.