WELL · 42-163-30094 · DISTRICT 1
Halff & Oppenheimer -C- #1
Frio County · Pearsall (Austin Chalk) field · Vertical
Halff & Oppenheimer -C- #1 (API 42-163-30094) is a plugged well in Frio County, plugged August 3, 2022, last operated by Maverick Energy Group Inc..
The RRC has issued one drilling permit, issued June 19, 1984, permitted to 6,000 ft.
It was permitted by Lawbar Petroleum, Inc. and has since transferred to Maverick Energy Group Inc. on the wellbore schedule.
Completion filings report 7 formation tops, including Wilcox, Escondido, Olmos, San Miguel.
Its lease has reported 27.1K barrels of oil and 236K mcf of gas since January 1993, last reporting in July 2026. The lease carries 5 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.
Tulsa, OK · P-5 Y, filed Jul 4, 2026 · 134 permits on file · (918) 269-9242
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Maverick Energy Group Inc. |
| Production reports | Jenex Petroleum Corporationthrough Sep 2015 |
| Latest permit | Lawbar Petroleum, Inc.Jun 19, 1984 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,000
- total depth, ft
- 1
- permits on file
- Jun 19, 1984
- last permit issued
- Oct 13, 1974
- completed
- 27.1K
- cumulative oil, bbl
- 236K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 13, 1974
- Shut in
- —
- Plugged
- Aug 3, 2022
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 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Halff & Oppenheimer -C- O-1-4586 | Pearsall (Austin Chalk) | Maverick Energy Group, Inc. | 5 | 27.1K | 236K | 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.
- 1Frio SWD, Inc.Oct 1993 → Jun 1994
- 2Colt Operating CorporationAug 1994 → Oct 1994
- 3S & L Oil Field ServicesJun 1995 → May 1998
- 4Williams Kolb & Lindenborn, Inc.Jun 1998 → Jan 2000
- 5Spur Operating Co.Jul 2000 → Feb 2012
- 6Jenex Petroleum CorporationMar 2012 → Sep 2015
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 242530-99 | Drill | Lawbar Petroleum, Inc. | Jun 19, 1984 | Jun 19, 1984 | — | 6,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-4586 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 533 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Wilcox | 1 | 532 |
| Escondido | 3,140 | -2,607 |
| Olmos | 3,940 | -3,407 |
| San Miguel | 4,290 | -3,757 |
| Austin Chalk | 5,230 | -4,697 |
| Eagle FordEAGLE FORD LS. | 5,610 | -5,077 |
| BudaBUDA LIME | 5,730 | -5,197 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,238 | 5,328 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 159 | 12.25 | 100 sx |
| 5.625 | 5,834 | 8.625 | 605 sx |
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 20, 1984 | Jul 6, 1984 | — |
| 00 | Jul 18, 1984 | Jul 6, 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 42-163-30094 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-163-30094 → 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
- Feb 2015
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000090709 | H-1 Injection | Plugged Jan 13, 2026 | 1,500 | 1,500 | 4,300–4,320 |
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/16330094, documented in the API reference.