WELL · 42-071-31820 · DISTRICT 3
Anahuac Main Frio Oil Unit #1
Chambers County · Anahuac field · Shut IN · Directional
Anahuac Main Frio Oil Unit #1 (API 42-071-31820) is a well in Chambers County operated by Texas Petroleum Investment CO., completed August 7, 2022 and listed as shut in on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued June 22, 1987, permitted to 7,400 ft.
It was permitted by Sun Expl. & Prod. CO.-Lafayette and has since transferred to Texas Petroleum Investment CO. on the wellbore schedule.
Completion filings report one formation top, including Frio.
Its lease has reported 64.2K barrels of oil and 47.4K mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Texas Petroleum Investment Co.
Permitted by Sun Expl. & Prod. Co.-Lafayette; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Jul 4, 2026 · 233 permits on file · (888) 214-3575
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Texas Petroleum Investment Co. |
| Production reports | Texas Petroleum Investment Co.through Feb 2025 |
| Latest permit | Sun Expl. & Prod. Co.-LafayetteJun 22, 1987 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,400
- total depth, ft
- 2
- permits on file
- Jun 22, 1987
- last permit issued
- Aug 7, 2022
- completed
- 64.2K
- cumulative oil, bbl
- 47.4K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 7, 2022
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Anahuac Main Frio Oil Unit O-3-20022 | Anahuac | Texas Petroleum Investment Co. | 1 | 64.2K | 47.4K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 0 · prior 12 6,844(-100%)
Gas, mcf lease total
Last 12 months 0 · prior 12 8,010(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Inland Minerals ManagementSep 2010 → Sep 2011
- 2Texas Petroleum Investment Co.Apr 2014 → Feb 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 330715-98 | Drill | Sun Expl. & Prod. Co.-Lafayette | Dec 16, 1987 | Jun 22, 1987 | — | 7,400 |
| 330715-99 | Drill | Sun Expl. & Prod. Co.-Lafayette | May 26, 1987 | Jun 22, 1987 | — | 7,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-20022 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 17 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,400 | 7,408 | Perforated |
| 7,487 | 7,500 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 16 | 5 | — | — |
| 10.75 | 1,020 | 12 | 770 S |
| 10.75 | 1,020 | 14.75 | 775 S |
| 7 | 7,825 | 9.875 | 1,250 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, 2022 | Sep 21, 2022 | — |
| 00 | Dec 20, 2021 | Nov 18, 2021 | — |
| 00 | Dec 17, 2021 | Dec 7, 2021 | — |
| 00 | Mar 30, 1988 | Mar 4, 1988 | Yes |
| 00 | Mar 26, 1988 | — | — |
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 42-071-31820 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-071-31820 → 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/07131820, documented in the API reference.