TEXAS · WELLS · JASPER COUNTY · BLACK STONE MINERALS A-34 UNIT 4 LEASE · API 42-241-30757 · DISTRICT 03
Black Stone Minerals a-34 Unit 4 #1
Jasper County · Magnolia Springs (Austin Chalk) field · Producing · Horizontal
Black Stone Minerals A-34 Unit 4 #1 (API 42-241-30757) is a horizontal well in Jasper County operated by Zarvona Energy LLC, completed August 31, 2008 and listed as producing on the RRC schedule, shut in February 1, 2019.
The RRC has issued one drilling permit (amended once), issued January 28, 2008, permitted to 14,094 ft.
It was permitted by Anadarko E&P Company LP and has since transferred to Zarvona Energy LLC on the wellbore schedule.
Completion filings report 5 formation tops, including Wilcox, Midway, Navarro, Taylor.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Anadarko E&P Company LP; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jun 2, 2026
- Permits on file
- 98
- Phone
- (713) 600-0600
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Zarvona Energy LLC |
| Production reports | Zarvona Energy LLCthrough May 2024 |
| Latest permit | Anadarko E&P Company LPJan 28, 2008 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 14,094
- total depth, ft
- 2
- permits on file
- Jan 28, 2008
- last permit issued
- Aug 31, 2008
- completed
- 0
- cumulative oil, bbl
- 503K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2008 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 31, 2008
- Shut in
- Feb 1, 2019
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 |
|---|---|---|---|---|---|---|
| Black Stone Minerals a-34 Unit 4 G-3-251524 | Magnolia Springs (Austin Chalk) | Zarvona Energy LLC | 1 | 0 | 503K | Aug 2008 – Jul 2026 |
Gas, mcf lease total
Last 12 months 0 · prior 12 3(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Anadarko E&P Company LPSep 2008 → Dec 2012
- 2Anadarko E&P Onshore LLCJan 2013 → Nov 2015
- 3Zarvona Energy LLCNov 2016 → May 2024
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 653388-98 | Drill | Anadarko E&P Company LP | Jul 1, 2009 | Jan 28, 2008 | Mar 21, 2008 | 15,000 |
| 653388-99 | Drill | Anadarko E&P Company LP | Jan 17, 2008 | Jan 28, 2008 | Mar 21, 2008 | 15,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Aug 31, 2008 | Black Stone Minerals a-34 Unit 4 G-3-251524 | Magnolia Springs (Austin Chalk) | Zarvona Energy LLC | Producing · shut in Feb 1, 2019 | 14,094 |
Formation tops
As filed on W-2/G-1. Subsea from 138 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Wilcox | 6,468 | -6,330 |
| Midway | 11,196 | -11,058 |
| Navarro | 12,336 | -12,198 |
| Taylor | 12,944 | -12,806 |
| Austin Chalk | 13,602 | -13,464 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 13,628 | 18,291 | Perforated |
| 13,702 | 19,847 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 2,780 | 17.5 | 3,670 S |
| 7.625 | 13,652 | 12.25 | 2,640 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, 2009 | Nov 4, 2008 | Yes |
| 00 | Oct 9, 2009 | — | — |
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 42-241-30757 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-241-30757 → 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/24130757, documented in the API reference.