WELL · 42-505-31644 · DISTRICT 4
Antonio Martinez et al 'a' Unit #2
Zapata County · Vertical
Antonio Martinez ET AL 'A' Unit #2 (API 42-505-31644) is a permitted well in Zapata County filed by Hilcorp Energy Company; no completion report is on file yet.
The RRC has issued 3 drilling permits between 1983 and 2019, permitted to 8,850 ft.
Completion filings report 6 formation tops, including Jackson, Yegua, Queen City, Miocene (undifferentiated).
Operator of record
Houston, TX · P-5 Y, filed Mar 26, 2026 · 3,453 permits on file · (713) 209-2411
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Hilcorp Energy Companythrough Apr 2026 |
| Latest permit | Hilcorp Energy CompanyMar 19, 2019 |
- 8,850
- total depth, ft
- 3
- permits on file
- Mar 19, 2019
- last permit issued
- —
- completed
- 0
- cumulative oil, bbl
- 2.81M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
Surface location
27.303100, -99.373819
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Zapata County.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the 2 leases 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 |
|---|---|---|---|---|---|---|
| Martinez, Antonio et AL G-4-289507 | LA Perla (Wilcox 6800) | Hilcorp Energy Company | 1 | 0 | 131K | Oct 2016 – Jul 2026 |
| Martinez, Antonio et al "a" Unit G-4-108091 | Laredo (Lobo) | Hilcorp Energy Company | 1 | 0 | 2.67M | Jan 1993 – Jun 2018 |
Gas, mcf lease total
Last 12 months 17,007 · prior 12 6,120(+178%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Chevron U. S. A. Inc.Jan 1993 → Aug 2014
- 2Hilcorp Energy CompanySep 2014 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 851119-99 | Recompletion | Hilcorp Energy Company | Mar 15, 2019 | Mar 19, 2019 | — | 8,850 |
| 817252-99 | Recompletion | Hilcorp Energy Company | Jul 22, 2016 | Aug 1, 2016 | Aug 28, 2016 | 8,850 |
| 190192-99 | Drill | Gulf Oil Corp. | Mar 28, 1983 | Mar 28, 1983 | Aug 4, 1983 | 8,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-108091 | — | — | — | — |
| — | — G-4-289507 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 442 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Jackson | 140 | 302 |
| Yegua | 700 | -258 |
| Queen City | 900 | -458 |
| Miocene (undifferentiated)MIOCENE-LAGARTO-OAKVILLE | 2,000 | -1,558 |
| Wilcox | 2,600 | -2,158 |
| Cook Mountain | 2,900 | -2,458 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,850 | 5,890 | Perforated |
| 7,560 | 7,566 | Perforated |
| 7,572 | 7,596 | Perforated |
| 7,624 | 7,628 | Perforated |
| 7,831 | 7,897 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,017 | 14.75 | 610 S |
| 7.625 | 6,464 | 9.875 | 495 S |
| 2.375 | 7,733 | — | — |
| 5 | 8,200 | 6.75 | 425 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 | Jul 21, 2020 | May 29, 2020 | — |
| 00 | Sep 28, 1993 | Aug 16, 1993 | Yes |
| 00 | Jan 12, 1984 | Nov 16, 1983 | — |
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 42-505-31644 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-31644 → 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.
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.
Antonio Martinez Etal Unit42-505-32051
1.1 KM · Hilcorp Energy Company · Section with this well →
| Jackson | 140 | 342 |
| Yegua | 700 | -218 |
| Queen City | 900 | -418 |
| Miocene (undifferentiated) | 2,000 | -1,518 |
| Wilcox | 2,600 | -2,118 |
| Cook Mountain | 2,900 | -2,418 |
| Lobo 1 | 7,848 | -7,366 |
| Lobo 2 | 7,944 | -7,462 |
10 TOPS · FIRST 8
Rancho Nuevo42-505-33066
3.1 KM · Transtexas Gas Corporation · Section with this well →
| Jackson | 140 | 267 |
| Yegua | 700 | -293 |
| Queen City | 900 | -493 |
| Miocene (undifferentiated) | 2,000 | -1,593 |
| Wilcox | 2,600 | -2,193 |
| Cook Mountain | 2,900 | -2,493 |
| T/Wilcox | 3,750 | -3,343 |
| B/Wilcox | 5,700 | -5,293 |
9 TOPS · FIRST 8
Rancho Nuevo42-505-33264
3.1 KM · Transtexas Gas Corporation · Section with this well →
| T/Wilcox | 3,800 | -3,413 |
| B/Up. Massive Wilcox | 5,770 | -5,383 |
| T/Wills Point | 9,100 | -8,713 |
Rancho Nuevo42-505-33194
3.1 KM · Transtexas Gas Corporation · Section with this well →
| Wilcox | 3,750 | -3,353 |
| Wilcox | 5,700 | -5,303 |
| Wills Point | 9,000 | -8,603 |
L & P42-505-33376
4.0 KM · Transtexas Gas Corporation · Section with this well →
| Wilcox | 3,775 | -3,416 |
| Wilcox | 5,750 | -5,391 |
| Wills Point | 9,050 | -8,691 |
Bruni Mineral Trust 'B'42-479-38439
4.6 KM · Hilcorp Energy Company · Section with this well →
| Queen City | 1,690 | -1,278 |
| Wilcox | 3,950 | -3,538 |
| Hubberd (Lobo) | 8,169 | -7,757 |
| Jackson | — | |
| Cook Mountain | — | |
| Eagle Ford | — | |
| Edwards | — | |
| Escondido | — |
11 TOPS · FIRST 8
L & P42-505-33473
4.8 KM · Transtexas Gas Corporation · Section with this well →
| Jackson | 140 | 206 |
| Yegua | 700 | -354 |
| Queen City | 900 | -554 |
| Miocene (undifferentiated) | 2,000 | -1,654 |
| Wilcox | 2,600 | -2,254 |
| Cook Mountain | 2,900 | -2,554 |
| Wilcox | 3,950 | -3,604 |
| Wilcox | 5,850 | -5,504 |
9 TOPS · FIRST 8
Carrillo, O.P.42-505-33065
4.8 KM · Transamerican Natural Gas Corp. · Section with this well →
| T/Wilcox | 3,950 | -3,787 |
| B/Wilcox | 5,950 | -5,787 |
| Wills Point | 9,100 | -8,937 |
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/50531644, documented in the API reference.