WELL · 42-003-43612 · DISTRICT 8
Big Max 11 #1
Andrews County · Spraberry (Trend Area) field · Producing · Vertical
Big Max 11 #1 (API 42-003-43612) is a well in Andrews County operated by Zarvona Energy LLC, completed January 15, 2013 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued November 8, 2011, permitted to 13,500 ft.
It was permitted by Clearfork Production, LLC and has since transferred to Zarvona Energy LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Clear Fork, Spraberry, Wolfcamp.
Its lease has reported 122K barrels of oil and 128K mcf of gas since April 2012, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Clearfork Production, LLC; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Mar 4, 2026 · 98 permits on file · (713) 600-0600
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Zarvona Energy LLC |
| Production reports | Zarvona Energy LLCthrough Apr 2026 |
| Latest permit | Clearfork Production, LLCNov 8, 2011 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 13,500
- total depth, ft
- 2
- permits on file
- Nov 8, 2011
- last permit issued
- Jan 15, 2013
- completed
- 122K
- cumulative oil, bbl
- 128K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2012 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 15, 2013
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
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; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Big Max 11 O-10-43163 | Spraberry (Trend Area) | Zarvona Energy LLC | 2 | 122K | 128K | Apr 2012 – Jul 2026 |
Oil, barrels lease total
Last 12 months 5,151 · prior 12 4,878(+6%)
Gas, mcf lease total
Last 12 months 16,046 · prior 12 14,722(+9%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Clearfork Production, LLCApr 2012 → Jul 2017
- 2Zarvona Energy LLCAug 2017 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 727655-98 | Drill | Clearfork Production, LLC | Jan 25, 2012 | Nov 8, 2011 | Nov 29, 2012 | 13,500 |
| 727655-99 | Drill | Clearfork Production, LLC | Nov 3, 2011 | Nov 8, 2011 | — | 13,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-43163 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,152 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Clear ForkCLEARFORK | 6,854 | -3,702 |
| SpraberryLOWER SPRABERRY | 8,272 | -5,120 |
| Wolfcamp | 8,626 | -5,474 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,940 | 10,020 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 346 | 17.5 | 390 S |
| 8.625 | 4,813 | 11 | 1,385 S |
| 5.5 | 10,064 | 7.875 | 1,020 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 | Jan 23, 2014 | Feb 22, 2013 | 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 42-003-43612 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-003-43612 → 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/00343612, documented in the API reference.