WELL · 42-493-31750 · DISTRICT 1
Byrd K.W. #1
Wilson County · Marcelina Creek (Austin Chalk) field · Vertical
Byrd K.W. #1 (API 42-493-31750) is a plugged well in Wilson County, plugged August 16, 2024, last operated by Enr Operating LLC.
The RRC has issued one drilling permit, issued July 3, 1985, permitted to 7,000 ft.
It was permitted by Texlark Exploration Company, Inc and has since transferred to Enr Operating LLC on the wellbore schedule.
Completion filings report 7 formation tops, including Carrizo, Poth A, Austin Chalk, Eagle Ford.
Its lease has reported 20.2K barrels of oil and 163 mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Permitted by Texlark Exploration Company, Inc; the EWA schedule now lists a different operator.
Eunice, NM · P-5 Y, filed Feb 4, 2026 · 1 permits on file · (972) 523-0448
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Enr Operating LLC |
| Production reports | Enr Operating, LLCthrough Mar 2020 |
| Latest permit | Texlark Exploration Company, IncJul 3, 1985 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,000
- total depth, ft
- 1
- permits on file
- Jul 3, 1985
- last permit issued
- Aug 27, 1985
- completed
- 20.2K
- cumulative oil, bbl
- 163
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 27, 1985
- Shut in
- —
- Plugged
- Aug 16, 2024
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 |
|---|---|---|---|---|---|---|
| Byrd, K.W. O-1-10561 | Marcelina Creek (Austin Chalk) | Enr Operating, LLC | 1 | 20.2K | 163 | Jan 1993 – 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.
- 1Texlark Exploration Company, IncJan 1993 → Oct 1993
- 2Penrod Oil Company of Texas, IncNov 1993 → Dec 1993
- 3Lucros International CorporationJan 1994 → Jan 1994
- 4Steindorf, Bert Oil & Gas Co.Aug 1994 → Feb 2000
- 5Lee Drlg & DevelpMar 2000 → Dec 2005
- 6Petrogas Operating CorporationOct 2007 → Jan 2008
- 7Arriola Operating & Consltg Inc.Jul 2008 → Jul 2013
- 8Iwr Operating, LLCAug 2013 → Apr 2016
- 9PDH EnterprisesMay 2014 → Apr 2019
- 10Enr Operating, LLCJul 2019 → Mar 2020
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 279429-99 | Drill | Texlark Exploration Company, Inc | Jul 3, 1985 | Jul 3, 1985 | Jul 9, 1985 | 7,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-10561 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 396 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| CarrizoCARRIZO WILCOX | 1,310 | -914 |
| Poth A | 3,904 | -3,508 |
| Austin Chalk | 6,101 | -5,705 |
| Eagle FordEAGLEFORD SHALE | 6,322 | -5,926 |
| Buda | 6,384 | -5,988 |
| Del RioDEL RIO CLAY | 6,472 | -6,076 |
| Georgetown | 6,510 | -6,114 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,196 | 6,236 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 775 | 12.25 | 325 S |
| 4.5 | 6,554 | 7.875 | 2,050 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 | Sep 18, 1985 | Sep 4, 1985 | — |
| 00 | Sep 13, 1985 | — | — |
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 42-493-31750 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-493-31750 → 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/49331750, documented in the API reference.