WELL · 42-105-33158 · DISTRICT 7
Cox L. B. Section 11 #1
Crockett County · Ozona (Spraberry) field · Vertical
Cox L. B. Section 11 #1 (API 42-105-33158) is a well in Crockett County operated by Thomas Oil And Gas Inc., completed August 15, 2000.
The RRC has issued 2 drilling permits between 1980 and 2000, permitted to 7,600 ft.
Completion filings report 3 formation tops, including Spraberry, Wolfcamp, Canyon.
Its 3 leases have reported 1.79K barrels of oil and 110K mcf of gas since January 1993, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
San Angelo, TX · P-5 Y, filed Aug 2, 2019 · 10 permits on file · (325) 650-7925
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Thomas Oil and Gas Inc. |
| Production reports | Hebron Pipelinethrough Sep 2025 |
| Latest permit | Thomas Oil and Gas Inc.Oct 11, 2000 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,600
- total depth, ft
- 2
- permits on file
- Oct 11, 2000
- last permit issued
- Aug 15, 2000
- completed
- 1.79K
- cumulative oil, bbl
- 110K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 15, 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 3 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Cox, L. B. Section 11 G-9-93063 | Ozona (Canyon Sand) | Hebron Pipeline | 1 | 0 | 35K | Jan 1993 – Jul 2026 |
| Cox, L. B. Section 11 G-9-207777 | Ozona (Spraberry) | Hebron Pipeline | 1 | 0 | 60K | Apr 2004 – Jul 2026 |
| Cox, L. B. Section 11 O-9-15061 | Ozona (Spraberry) | Thomas Oil and Gas Inc. | 1 | 1.79K | 15.2K | Sep 2000 – Feb 2007 |
Gas, mcf lease total
Last 12 months 1,839 · prior 12 1,309(+40%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Schlachter, David A.Jan 1993 → Apr 1999
- 2Schlachter, David A., Estate OFMay 1999 → Nov 1999
- 3Thomas Oil and Gas Inc.Dec 1999 → Apr 2008
- 4McGuffin, Joe Jr.May 2008 → Jan 2014
- 5Great Northern Energy, IncFeb 2014 → Sep 2014
- 6Proex Energy Management, L.L.C.Oct 2014 → Nov 2014
- 7Patno Oil & Gas CompanyJan 2015 → Jun 2017
- 8Roberts & Hammack Inc.Apr 2018 → Aug 2022
- 9Hebron PipelineSep 2022 → Sep 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 500443-99 | Recompletion | Thomas Oil and Gas Inc. | Oct 5, 2000 | Oct 11, 2000 | Aug 15, 2000 | 7,473 |
| 100767-99 | Drill | Schlachter, David A. | Dec 3, 1980 | Dec 3, 1980 | Dec 13, 1980 | 7,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-9-93063 | — | — | — | — |
| — | — G-9-207777 | — | — | — | — |
| — | — O-9-15061 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,468 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,008 | 4,020 | Perforated |
| 4,008 | 4,044 | Perforated |
| 4,030 | 4,044 | Perforated |
| 6,432 | 7,372 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,554 | 11 | 500 S |
| 4.5 | 3,643 | 7.875 | 900 S |
| 4.5 | 3,817 | 7.875 | — |
| 2.375 | 6,354 | — | — |
| 4.5 | 7,474 | 7.875 | 900 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 5, 2005 | Apr 6, 2005 | — |
| 00 | Jul 5, 2005 | Jun 22, 2004 | — |
| 00 | Apr 27, 2005 | — | — |
| 00 | Mar 29, 2001 | Sep 27, 2000 | Yes |
| 00 | Nov 15, 2000 | — | — |
| 00 | Jan 12, 1984 | May 7, 1981 | 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 42-105-33158 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-105-33158 → 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/10533158, documented in the API reference.