WELL · 42-167-31444 · DISTRICT 3
Obrien Erin Etal Unit 1 #3
Galveston County · High Island field · Injection · Directional
Obrien Erin Etal Unit 1 #3 (API 42-167-31444) is a well in Galveston County operated by Big Lake Corporation, completed December 17, 2025 and listed as injection on the RRC schedule.
The RRC has issued one drilling permit, issued January 10, 2007, permitted to 8,900 ft.
It was permitted by Houston Oil Prod Enterprises,Inc and has since transferred to Big Lake Corporation on the wellbore schedule.
Completion filings report 5 formation tops, including Sand, Gumbo, Shale, Miocene (undifferentiated), Frio, Pliocene - Disposal.
Its lease has reported 167K barrels of oil and 68.9K mcf of gas since January 1993, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.
It holds an active disposal or injection permit.
Operator of record
Permitted by Houston Oil Prod Enterprises,inc; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed Feb 4, 2026 · 49 permits on file · (214) 725-9100
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Big Lake Corporation |
| Production reports | Houston Oil Prod Enterprises,incthrough Dec 2016 |
| Latest permit | Houston Oil Prod Enterprises,incJan 10, 2007 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,900
- total depth, ft
- 1
- permits on file
- Jan 10, 2007
- last permit issued
- Dec 17, 2025
- completed
- 167K
- cumulative oil, bbl
- 68.9K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 17, 2025
- 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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Obrien, Erin, Etal, Unit 1 O-3-6121 | High Island | Big Lake Corporation | 2 | 167K | 68.9K | Jan 1993 – Jul 2026 |
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.
- 1Houston Oil Prod Enterprises,incJan 1993 → Dec 2016
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 628936-99 | Drill | Houston Oil Prod Enterprises,inc | Nov 13, 2006 | Jan 10, 2007 | Jan 19, 2007 | 8,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-6121 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 15 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Sand, Gumbo, Shale | 1 | 14 |
| Miocene (undifferentiated)MIOCENE - DISPOSAL | 7,302 | -7,287 |
| Miocene (undifferentiated)MIOCENE - DISPOSAL | 7,440 | -7,425 |
| FrioFRIO - DISPOSAL | — | — |
| Pliocene - Disposal | — | — |
| San MiguelSAN MIGUEL - DISPOSAL | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,690 | 7,704 | Perforated |
| 7,704 | 7,710 | Perforated |
| 8,263 | 8,267 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 789 | 12.25 | 175 S |
| 5.5 | 8,515 | 8.75 | 590 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 | Jan 16, 2026 | Jan 7, 2026 | — |
| 00 | Jun 25, 2007 | Apr 9, 2007 | Yes |
| 00 | Jun 6, 2007 | — | — |
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 42-167-31444 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-167-31444 → 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.
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 |
|---|---|---|---|---|---|
| 000127456 | W-14 Disposal | Active | 1,500 | 1,500 | 7,302–7,440 |
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/16731444, documented in the API reference.