WELL · 42-475-38791 · DISTRICT 8
UL Gene Parmesan A8 #31BS
Ward County · Phantom (Wolfcamp) field · Producing · Horizontal
UL Gene Parmesan A8 #31BS (API 42-475-38791) is a horizontal well in Ward County operated by Apache Corporation, completed January 2, 2025 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued June 5, 2024, permitted to 13,500 ft.
It was permitted by Callon Petroleum Operating CO and has since transferred to Apache Corporation on the wellbore schedule.
Completion filings report 10 formation tops, including Delaware, Capitan, Clear Fork, Glorieta.
Its lease has reported 181K barrels of oil and 223K mcf of gas since January 2025, last reporting in July 2026.
Operator of record
Permitted by Callon Petroleum Operating Co; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Oct 4, 2025 · 9,754 permits on file · (713) 296-6400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Apache Corporation |
| Production reports | Apache Corporationthrough Apr 2026 |
| Latest permit | Callon Petroleum Operating CoJun 5, 2024 |
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
- 1
- permits on file
- Jun 5, 2024
- last permit issued
- Jan 2, 2025
- completed
- 181K
- cumulative oil, bbl
- 223K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2025 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 2, 2025
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
31.587360, -103.276318
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Ward County.
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 |
|---|---|---|---|---|---|---|
| UL Gene Parmesan A8 O-10-64163 | Phantom (Wolfcamp) | Apache Corporation | 1 | 181K | 223K | Jan 2025 – Jul 2026 |
Oil, barrels lease total
Last 12 months 114,990 · prior 12 65,803(+75%)
Gas, mcf lease total
Last 12 months 138,474 · prior 12 84,505(+64%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Apache CorporationJan 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 900047-99 | Drill | Callon Petroleum Operating Co | May 29, 2024 | Jun 5, 2024 | Aug 1, 2024 | 13,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-64163 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,789 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Delaware | 5,144 | -2,355 |
| CapitanCAPITAN REEF - HIGH FLOWS | — | — |
| Clear ForkCLEARFORK | — | — |
| Glorieta | — | — |
| Holt | — | — |
| Queen | — | — |
| Rustler | — | — |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | — | — |
| Seven Rivers | — | — |
| Yates | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,611 | 21,774 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,306 | 13.5 | 700 S |
| 7.625 | 10,921 | 9.875 | 1,275 S |
| 5.5 | 21,875 | 6.75 | 1,315 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 2, 2025 | Sep 2, 2025 | 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 42-475-38791 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-475-38791 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
UL Gene Parmesan A742-475-38790
0.0 KM · Callon Petroleum Operating Co · Section with this well →
| Delaware | 5,127 | -2,304 |
| San Andres | — | |
| Rustler | — | |
| Queen | — | |
| Holt | — | |
| Glorieta | — | |
| Clear Fork | — | |
| Seven Rivers | — |
10 TOPS · FIRST 8
UL Gene Parmesan A942-475-38792
0.3 KM · Callon Petroleum Operating Co · Section with this well →
| Delaware | 5,145 | -2,352 |
| Yates | — | |
| Seven Rivers | — | |
| San Andres | — | |
| Rustler | — | |
| Queen | — | |
| Holt | — | |
| Glorieta | — |
10 TOPS · FIRST 8
UL Gene Parmesan A1042-475-38793
0.3 KM · Callon Petroleum Operating Co · Section with this well →
| Rustler | 1,185 | 1,608 |
| Delaware | 5,148 | -2,355 |
| Yates | — | |
| Seven Rivers | — | |
| San Andres | — | |
| Queen | — | |
| Holt | — | |
| Glorieta | — |
10 TOPS · FIRST 8
UL Gene Parmesan A542-475-38737
0.5 KM · Callon Petroleum Operating Co · Section with this well →
| Rustler | 826 | 1,965 |
| Delaware | 5,139 | -2,348 |
| Capitan | — | |
| Clear Fork | — | |
| Glorieta | — | |
| Holt | — | |
| Queen | — | |
| San Andres | — |
10 TOPS · FIRST 8
UL Gene Parmesan A642-475-38738
0.5 KM · Callon Petroleum Operating Co · Section with this well →
| Rustler | 823 | 1,967 |
| Delaware | 5,138 | -2,348 |
| Holt | — | |
| Queen | — | |
| Clear Fork | — | |
| Glorieta | — | |
| Yates | — | |
| Capitan | — |
10 TOPS · FIRST 8
UL Gene Parmesan A442-475-38736
0.5 KM · Callon Petroleum Operating Co · Section with this well →
| Rustler | 828 | 1,995 |
| Delaware | 5,134 | -2,311 |
| Capitan | — | |
| Yates | — | |
| Seven Rivers | — | |
| San Andres | — | |
| Queen | — | |
| Holt | — |
10 TOPS · FIRST 8
UL Benny East 18-29-30 WA42-475-38397
0.7 KM · Percussion Petroleum Oper Ii,llc · Section with this well →
| Delaware | 5,143 | -2,342 |
| Capitan | — | |
| Yates | — | |
| Seven Rivers | — | |
| San Andres | — | |
| Rustler | — | |
| Queen | — | |
| Holt | — |
10 TOPS · FIRST 8
UL Benny East 18-29-30 WB42-475-38399
0.7 KM · Percussion Petroleum Oper Ii,llc · Section with this well →
| Delaware | 5,153 | -2,352 |
| Yates | — | |
| Seven Rivers | — | |
| San Andres | — | |
| Rustler | — | |
| Queen | — | |
| Holt | — | |
| Glorieta | — |
10 TOPS · FIRST 8
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/47538791, documented in the API reference.