WELL · 42-105-42382 · DISTRICT 7
University 42 #2121HC
Crockett County · Holt Ranch (Consolidated) field · Producing · Horizontal
University 42 #2121HC (API 42-105-42382) is a horizontal well in Crockett County operated by Zarvona Energy LLC, completed August 15, 2018 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued April 10, 2017, permitted to 7,800 ft.
It was permitted by Approach Operating LLC and has since transferred to Zarvona Energy LLC on the wellbore schedule.
Completion filings report 8 formation tops, including Queen, San Andres, Leonard, Wolfcamp.
Its lease has reported 1.66M barrels of oil and 19M mcf of gas since September 2010, last reporting in July 2026. The lease carries 71 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Approach Operating 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 Mar 2026 |
| Latest permit | Approach Operating LLCApr 10, 2017 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,800
- total depth, ft
- 1
- permits on file
- Apr 10, 2017
- last permit issued
- Aug 15, 2018
- completed
- 1.66M
- cumulative oil, bbl
- 19M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2010 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 15, 2018
- 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 71 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| University 42 O-9-17265 | Holt Ranch (Consolidated) | Zarvona Energy LLC | 71 | 1.66M | 19M | Sep 2010 – Jul 2026 |
Gas, mcf lease total
Last 12 months 969,056 · prior 12 1,146,637(-15%)
Oil, barrels lease total
Last 12 months 45,605 · prior 12 55,220(-17%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Approach Operating LLCSep 2010 → Sep 2020
- 2Zarvona Energy LLCOct 2020 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 825018-99 | Drill | Approach Operating LLC | Mar 31, 2017 | Apr 10, 2017 | May 5, 2017 | 7,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-17265 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,596 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen | 1,053 | 1,543 |
| San Andres | 1,687 | 909 |
| Leonard | 4,075 | -1,479 |
| Wolfcamp | 5,446 | -2,850 |
| Canyon | — | — |
| Devonian | — | — |
| Ellenburger | — | — |
| Strawn | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,542 | 14,082 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,239 | 12.25 | 535 S |
| 5.5 | 14,177 | 8.75 | 2,693 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 12, 2018 | Nov 1, 2018 | Yes |
| 00 | Dec 22, 2017 | Nov 20, 2017 | 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 42-105-42382 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-105-42382 → 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/10542382, documented in the API reference.