WELL · 42-127-35421 · DISTRICT 1
Alvin Blalack 77 #9H
Dimmit County · Pearsall (Austin Chalk) field · Shut IN · Horizontal
Alvin Blalack 77 #9H (API 42-127-35421) is a horizontal well in Dimmit County operated by Flint Oak Energy LLC, completed May 22, 2013 and listed as shut in on the RRC schedule.
The RRC has issued one drilling permit, issued March 18, 2013, permitted to 7,000 ft.
It was permitted by Texas American Resources Company and has since transferred to Flint Oak Energy LLC on the wellbore schedule.
Completion filings report 3 formation tops, including San Miguel, Anacacho, Austin Chalk.
Its lease has reported 18.7K barrels of oil and 7.67K mcf of gas since May 2013, last reporting in July 2026.
Operator of record
Permitted by Texas American Resources Company; the EWA schedule now lists a different operator.
Montgomery, TX · P-5 Y, filed Jan 4, 2026 · 14 permits on file · (832) 262-9521
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Flint Oak Energy LLC |
| Production reports | Trinity Operating (Usg), LLCthrough Mar 2021 |
| Latest permit | Texas American Resources CompanyMar 18, 2013 |
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
- Mar 18, 2013
- last permit issued
- May 22, 2013
- completed
- 18.7K
- cumulative oil, bbl
- 7.67K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2013 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 22, 2013
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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 |
|---|---|---|---|---|---|---|
| Alvin Blalack 77 O-1-17951 | Pearsall (Austin Chalk) | Flint Oak Energy, LLC | 1 | 18.7K | 7.67K | May 2013 – 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.
- 1Texas American Resources CompanyMay 2013 → Jul 2017
- 2Trinity Operating (Usg), LLCMar 2021 → Mar 2021
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 758791-99 | Drill | Texas American Resources Company | Mar 15, 2013 | Mar 18, 2013 | Apr 21, 2013 | 7,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-17951 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 561 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| San Miguel | 5,369 | -4,808 |
| Anacacho | 5,959 | -5,398 |
| Austin Chalk | 6,348 | -5,787 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,010 | 11,370 | Open hole |
| 6,108 | 10,598 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 835 | 14.75 | 509 S |
| 7 | 6,010 | 8.75 | 414 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 | Dec 11, 2014 | Jul 14, 2014 | 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 42-127-35421 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-127-35421 → 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/12735421, documented in the API reference.