WELL · 42-507-30928 · DISTRICT 1
Lasater M.L. -A- #12
Zavala County · Pearsall (Austin Chalk) field · Horizontal · Sidetrack
Lasater M.L. -A- #12 (API 42-507-30928) is a plugged horizontal well in Zavala County, plugged October 18, 2023, last operated by Bluestar Energy Inc..
The RRC has issued 3 drilling permits (amended once) between 1977 and 1998, permitted to 8,243 ft.
It was permitted by Omni Operating Company(A) and has since transferred to Bluestar Energy Inc. on the wellbore schedule.
Completion filings report 5 formation tops, including San Miguel, Anacacho, Austin Chalk, Lower Chalk.
Its 4 leases have reported 272K barrels of oil and 613K mcf of gas since January 1993, last reporting in July 2026. The leases carry 28 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Omni Operating Company(a); the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed Jun 2, 2023 · 2 permits on file · (325) 573-1591
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Bluestar Energy Inc. |
| Production reports | 907 Oil LLCthrough Mar 2026 |
| Latest permit | Omni Operating Company(a)Feb 25, 1998 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,243
- total depth, ft
- 4
- permits on file
- Feb 25, 1998
- last permit issued
- Feb 27, 1992
- completed
- 272K
- cumulative oil, bbl
- 613K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 27, 1992
- Shut in
- —
- Plugged
- Oct 18, 2023
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 4 leases this well is completed on; they carry 28 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Lupe, John B. A O-1-14166 | Big Wells (San Miguel) | 907 Oil LLC | 5 | 44.2K | 0 | Feb 1998 – Jul 2026 |
| Lupe, John et AL O-1-5585 | Pearsall (Austin Chalk) | Bluestar Energy, Inc. | 9 | 27.8K | 0 | Jan 1993 – Aug 2003 |
| Lasater, M.L. O-1-12381 | Pearsall (Austin Chalk) | Bluestar Energy, Inc. | 10 | 200K | 613K | Jan 1993 – Oct 2000 |
| Lasater, M.L. -A- O-1-13878 | Pearsall (Austin Chalk) | Bluestar Energy, Inc. | 4 | 0 | 0 | Jul 1994 – Oct 2000 |
Oil, barrels lease total
Last 12 months 797 · prior 12 871(-8%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Oryx Energy CompanyJan 1993 → Jul 1995
- 2Omni Operating Company(a)Mar 1996 → Jan 1999
- 3Bluestar Energy, Inc.Oct 1999 → Apr 2015
- 4Acorn Oil & Gas, Inc.Jun 2015 → Sep 2017
- 5Nails Operating Company LLCNov 2017 → Mar 2018
- 6Overstreet, Jamie LApr 2018 → Dec 2021
- 7Acorn Oil & Gas, LLCJan 2022 → May 2025
- 8907 Oil LLCJun 2025 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 473802-98 | Recompletion | Omni Operating Company(a) | Apr 7, 1998 | Feb 25, 1998 | Mar 14, 1997 | 7,000 |
| 473802-99 | Recompletion | Omni Operating Company(a) | Feb 25, 1998 | Feb 25, 1998 | — | 6,000 |
| 396169-99 | Recompletion · sidetrack | Oryx Energy Company | Jan 24, 1992 | Jan 24, 1992 | Feb 1, 1992 | 8,243 |
| 10324-99 | Drill | Overly Operating Co. | Oct 21, 1977 | Oct 21, 1977 | Nov 5, 1977 | 7,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-5585 | — | — | — | — |
| — | — O-1-12381 | — | — | — | — |
| — | — O-1-13878 | — | — | — | — |
| — | — O-1-14166 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 633 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| San Miguel | 5,420 | -4,787 |
| Anacacho | 6,026 | -5,393 |
| Austin Chalk | 6,326 | -5,693 |
| Lower Chalk | 6,628 | -5,995 |
| Base of Chalk | 6,855 | -6,222 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,430 | 5,450 | Perforated |
| 6,205 | 8,243 | Perforated |
| 6,336 | 6,989 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 511 | 12.25 | 260 S |
| — | 3,202 | 7.875 | 450 S |
| 4.5 | 7,203 | 7.875 | 450 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 | May 14, 1998 | Apr 8, 1998 | Yes |
| 00 | Apr 24, 1998 | — | — |
| 00 | Jul 25, 1994 | Mar 30, 1992 | Yes |
| 00 | Jun 2, 1992 | Mar 30, 1992 | Yes |
| 00 | Apr 10, 1992 | — | — |
| 00 | Jan 12, 1984 | Feb 9, 1978 | — |
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 42-507-30928 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-507-30928 → 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/50730928, documented in the API reference.