WELL · 42-163-32176 · DISTRICT 1
Halff & Oppenheimer #4-16
Frio County · Pearsall (Navarro Sand) field · Vertical
Halff & Oppenheimer #4-16 (API 42-163-32176) is a plugged well in Frio County, plugged September 16, 1999, last operated by Bigfoot Oil LLC.
The RRC has issued one drilling permit, issued June 2, 1982, permitted to 4,600 ft.
It was permitted by Lawbar Petroleum, Inc. and has since transferred to Bigfoot Oil LLC on the wellbore schedule.
Its lease has reported 480K barrels of oil and 38.3K mcf of gas since January 1993, last reporting in July 2026. The lease carries 19 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Lawbar Petroleum, Inc.; the EWA schedule now lists a different operator.
Denver, CO · P-5 Y, filed Apr 4, 2026 · 10 permits on file · (303) 570-4447
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Bigfoot Oil LLC |
| Production reports | Bigfoot Oil LLCthrough Sep 2025 |
| Latest permit | Lawbar Petroleum, Inc.Jun 2, 1982 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,600
- total depth, ft
- 1
- permits on file
- Jun 2, 1982
- last permit issued
- Oct 1, 1982
- completed
- 480K
- cumulative oil, bbl
- 38.3K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 1, 1982
- Shut in
- —
- Plugged
- Sep 16, 1999
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 19 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Halff & Oppenheimer O-1-1364 | Pearsall (Navarro Sand) | Bigfoot Oil LLC | 19 | 480K | 38.3K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 615 · prior 12 4,655(-87%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Lawbar Petroleum, Inc.Jan 1993 → Dec 1999
- 2Spur Operating Co.Jan 2000 → Feb 2012
- 3Jenex Petroleum CorporationMar 2012 → Aug 2016
- 4Jenco Petroleum CorporationSep 2016 → Jun 2017
- 5Bigfoot Oil LLCJul 2017 → Sep 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 162637-99 | Drill | Lawbar Petroleum, Inc. | Jun 2, 1982 | Jun 2, 1982 | Sep 20, 1982 | 4,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-1364 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,128 | 3,164 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 467 | 12.25 | 170 S |
| 4.5 | 4,062 | 7.875 | 1,200 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 7, 1984 | Nov 19, 1984 | — |
| 00 | Dec 4, 1984 | — | — |
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 42-163-32176 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-163-32176 → 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
- 1.54M
- bbl, all reported
- Feb 2000
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000052345 | W-14 Disposal | Plugged Oct 20, 1999 | 2,000 | 1,200 | 3,128–3,164 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 0 · prior 12 0
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/16332176, documented in the API reference.