WELL · 42-131-36743 · DISTRICT 4
Olvera Gas Unit #1
Duval County · Four Sevens (8100 Yegua) field · Vertical
Olvera Gas Unit #1 (API 42-131-36743) is a plugged well in Duval County, plugged November 11, 2015, last operated by Petrohawk Operating Company.
The RRC has issued 2 drilling permits between 1985 and 2003, permitted to 8,500 ft.
It was permitted by Proton Energy, L.L.C. and has since transferred to Petrohawk Operating Company on the wellbore schedule.
Completion filings report 4 formation tops, including Asog F-1, Tinney, Top Of Hockley, Yegua.
Operator of record
Permitted by Proton Energy, L.L.C.; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Oct 13, 2017 · 1,334 permits on file · (877) 452-4294
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Petrohawk Operating Company |
| Production reports | Inland Ocean, Inc.through Jun 2015 |
| Latest permit | Proton Energy, L.L.C.Dec 2, 2003 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,500
- total depth, ft
- 2
- permits on file
- Dec 2, 2003
- last permit issued
- Aug 31, 1985
- completed
- 0
- cumulative oil, bbl
- 1.23M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jan 2017
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 31, 1985
- Shut in
- —
- Plugged
- Nov 11, 2015
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 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 |
|---|---|---|---|---|---|---|
| Olvera Gas Unit G-4-206914 | Four Sevens (Yegua a 7865) | Inland Ocean, Inc. | 1 | 0 | 307K | Jan 2004 – Jan 2017 |
| Olvera Gas Unit G-4-119361 | Four Sevens (8100 Yegua) | Proton Energy, L.L.C. | 1 | 0 | 921K | Jan 1993 – Dec 2003 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Santa FE Energy Oper. Part., LPJan 1993 → Apr 1993
- 2Vintage Petroleum, Inc.May 1993 → Nov 2001
- 3Proton Energy, L.L.C.Dec 2001 → May 2005
- 4Petrohawk Operating CompanyJun 2005 → Nov 2007
- 5Milagro Exploration, LLCDec 2007 → Mar 2013
- 6Inland Ocean, Inc.Apr 2013 → Jun 2015
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 539153-99 | Recompletion | Proton Energy, L.L.C. | Dec 2, 2003 | Dec 2, 2003 | Dec 2, 2003 | 8,178 |
| 279064-99 | Drill | Genesis Petroleum Corporation | Jun 28, 1985 | Jul 1, 1985 | — | 8,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-119361 | — | — | — | — |
| — | — G-4-206914 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 303 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Asog F-1 | 5,045 | -4,742 |
| Tinney | 5,550 | -5,247 |
| Top of Hockley | 5,965 | -5,662 |
| YeguaTOP OF YEGUA | 6,823 | -6,520 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,868 | 7,884 | Perforated |
| 7,910 | 7,926 | Perforated |
| 8,098 | 8,108 | Perforated |
| 8,112 | 8,122 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,959 | 14.75 | 1,186 S |
| 7.625 | 6,427 | 9.625 | 825 S |
| 4.5 | 8,210 | 6.75 | 475 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 | Aug 2, 2005 | Oct 11, 2004 | Yes |
| 00 | Mar 22, 2005 | — | — |
| 00 | Jan 14, 1986 | Nov 1, 1985 | Yes |
| 00 | Jan 8, 1986 | — | — |
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 42-131-36743 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-131-36743 → 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.
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/13136743, documented in the API reference.