TEXAS · WELLS · ANDREWS COUNTY · API 42-003-47431 · DISTRICT 7B
University 1-36 Unit #4H
Andrews County · Emma (Barnett Shale) field · Producing · Horizontal
University 1-36 Unit #4H (API 42-003-47431) is a horizontal well in Andrews County operated by Zarvona Energy LLC, completed April 23, 2017 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued December 16, 2016, permitted to 10,797 ft.
Completion filings report 14 formation tops, including Yates, Seven Rivers, Queen, Grayburg.
Its 3 leases have reported 28.4K barrels of oil and 1M mcf of gas since March 2017, last reporting in July 2026. The leases carry 8 wells, so these are lease totals, not this well alone.
It holds an active disposal or injection permit.
Operator of record
- 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 Apr 2026 |
| Latest permit | Zarvona Energy LLCDec 16, 2016 |
- 10,797
- total depth, ft
- 1
- permits on file
- Dec 16, 2016
- last permit issued
- Apr 23, 2017
- completed
- 28.4K
- cumulative oil, bbl
- 1M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 2017 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 23, 2017
- Shut in
- —
- 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 3 leases this well is completed on; they carry 8 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| University 1-36 Unit O-10-55398 | Emma (Barnett Shale) | Zarvona Energy LLC | 1 | 28.4K | 560K | Jan 2021 – Jul 2026 |
| University 1-36 Unit O-10-48617 | Emma (Mississippian) | Zarvona Energy LLC | 6 | 0 | 0 | Mar 2017 – May 2021 |
| University 1-36 Unit G-10-288624 | Emma (Barnett Shale) | Zarvona Energy LLC | 1 | 0 | 443K | Apr 2017 – Mar 2021 |
Gas, mcf lease total
Last 12 months 58,597 · prior 12 94,418(-38%)
Oil, barrels lease total
Last 12 months 3,827 · prior 12 3,871(-1%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Zarvona Energy LLCApr 2017 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 820903-99 | Drill | Zarvona Energy LLC | Dec 2, 2016 | Dec 16, 2016 | Jan 26, 2017 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Apr 23, 2017 | University 1-36 Unit O-10-55398 | Emma (Barnett Shale) | Zarvona Energy LLC | Producing | 10,797 |
| Apr 23, 2017 | University 1-36 Unit G-10-288624 | Emma (Barnett Shale) | Zarvona Energy LLC | Not on Schedule | — |
| Apr 23, 2017 | University 1-36 Unit O-10-48617 | Emma (Mississippian) | Zarvona Energy LLC | Not on Schedule | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,059 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 3,026 | 33 |
| Seven Rivers | 3,301 | -242 |
| Queen | 4,127 | -1,068 |
| Grayburg | 4,521 | -1,462 |
| San AndresSAN ANDRES - CO2 FLOOD, HIGH FLO | 5,045 | -1,986 |
| Glorieta | 5,545 | -2,486 |
| Clear ForkCLEARFORK | 6,723 | -3,664 |
| Spraberry | 7,292 | -4,233 |
| Dean | 8,142 | -5,083 |
| Wolfcamp | 8,342 | -5,283 |
| Mississippian | 10,677 | -7,618 |
| Holt | — | — |
| Permian (undifferentiated)PERMIAN DETRITAL | — | — |
| Tubb | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,226 | 15,880 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,714 | 17.5 | 1,717 S |
| 9.625 | 7,078 | 12.25 | 690 S |
| 9.625 | 7,078 | 12.75 | 1,172 S |
| 7 | 11,235 | 8.75 | 281 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 | Mar 5, 2021 | Feb 18, 2021 | — |
| 00 | May 14, 2020 | Dec 18, 2019 | Yes |
| 00 | Feb 5, 2018 | Jul 28, 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 42-003-47431 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-003-47431 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 0
- bbl, last 12 reported months
- 0
- bbl, all reported
- —
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000124548 | H-1 Injection | Active | 0 | 0 | 10,384–10,798 |
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/00347431, documented in the API reference.