WELL · 42-211-32436 · DISTRICT 10
Lockhart 58 #1
Hemphill County · Sparks (Tonkawa) field · Vertical
Lockhart 58 #1 (API 42-211-32436) is a well in Hemphill County operated by Eog Resources Inc., completed August 25, 2000.
The RRC has issued 2 drilling permits between 2000 and 2004, permitted to 7,800 ft.
Completion filings report 2 formation tops, including Douglas, Tonkawa.
Its 2 leases have reported 151K barrels of oil and 1.46M mcf of gas since August 2000, last reporting in July 2026. The leases carry 4 wells, so these are lease totals, not this well alone.
Operator of record
Midland, TX · P-5 Y, filed Jul 4, 2026 · 16,344 permits on file · (713) 594-5431
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | EOG Resources Inc. |
| Production reports | Unbridled Resources, LLCthrough Apr 2026 |
| Latest permit | EOG Resources, Inc.May 19, 2004 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,800
- total depth, ft
- 2
- permits on file
- May 19, 2004
- last permit issued
- Aug 25, 2000
- completed
- 151K
- cumulative oil, bbl
- 1.46M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2000 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 25, 2000
- 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 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Lockhart 58 O-14-7500 | Feldman (Basal Tonkawa) | Unbridled Resources, LLC | 2 | 27.9K | 532K | Mar 2004 – Jul 2026 |
| Lockhart 58 O-14-7365 | Sparks (Tonkawa) | EOG Resources, Inc. | 2 | 123K | 926K | Aug 2000 – Oct 2004 |
Gas, mcf lease total
Last 12 months 17,094 · prior 12 15,913(+7%)
Oil, barrels lease total
Last 12 months 677 · prior 12 619(+9%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1EOG Resources, Inc.Aug 2000 → Apr 2014
- 2Enervest Operating, L.L.C.May 2014 → Dec 2015
- 34P Energy Texas, LLCJan 2016 → Oct 2020
- 4Unbridled Resources, LLCNov 2020 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 545903-99 | Recompletion | EOG Resources, Inc. | May 19, 2004 | May 19, 2004 | — | 7,800 |
| 496388-99 | Drill | EOG Resources, Inc. | Jun 21, 2000 | Jun 21, 2000 | Jul 3, 2000 | 7,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-14-7365 | — | — | — | — |
| — | — O-14-7500 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,672 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,655 | 7,686 | Perforated |
| 7,726 | 7,730 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,625 | 12.25 | 825 S |
| 4.5 | 7,830 | 7.875 | 225 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 10, 2004 | Jul 27, 2004 | — |
| 00 | Oct 6, 2004 | — | — |
| 00 | Nov 4, 2000 | Sep 18, 2000 | Yes |
| 00 | Oct 12, 2000 | — | — |
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 42-211-32436 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-211-32436 → 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/21132436, documented in the API reference.