WELL · 42-219-35230 · DISTRICT 8
Arnwine 12A #1
Hockley County · Hamilton (Clearfork) field · Vertical
Arnwine 12a #1 (API 42-219-35230) is a plugged well in Hockley County, plugged February 5, 2018, last operated by Rocker A Operating Company.
The RRC has issued one drilling permit, issued December 18, 1987, permitted to 6,500 ft.
It was permitted by Tamarack Petroleum Company, Inc. and has since transferred to Rocker A Operating Company on the wellbore schedule.
Completion filings report 4 formation tops, including San Andres, Pi Marker, Glorieta, Clear Fork.
Its lease has reported 2.55K barrels of oil and 109 mcf of gas since January 1993, last reporting in June 2019. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Tamarack Petroleum Company, Inc.; the EWA schedule now lists a different operator.
Post, TX · P-5 Y, filed Mar 6, 2023 · 274 permits on file · (806) 495-5165
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Rocker a Operating Company |
| Production reports | Tamarack Petroleum Company, Inc.through Feb 1999 |
| Latest permit | Tamarack Petroleum Company, Inc.Dec 18, 1987 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,500
- total depth, ft
- 1
- permits on file
- Dec 18, 1987
- last permit issued
- Jun 20, 2000
- completed
- 2.55K
- cumulative oil, bbl
- 109
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jun 2019
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 20, 2000
- Shut in
- —
- Plugged
- Feb 5, 2018
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 |
|---|---|---|---|---|---|---|
| Arnwine "12A" O-11-66133 | Hamilton (Clearfork) | Rocker a Operating Company | 2 | 2.55K | 109 | Jan 1993 – Jun 2019 |
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.
- 1Tamarack Petroleum Company, Inc.Jan 1993 → Jan 1999
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 340348-99 | Drill | Tamarack Petroleum Company, Inc. | Dec 17, 1987 | Dec 18, 1987 | — | 6,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-11-66133 | — | — | — | — |
| — | — O-11-66133 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,494 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| San Andres | 4,054 | -560 |
| San AndresTOP-SAN ANDRES | 4,054 | -560 |
| PI Marker | 4,826 | -1,332 |
| Glorieta | 5,600 | -2,106 |
| GlorietaTOP-GLORIETA | 5,600 | -2,106 |
| Clear ForkLOWER CLEARFORK | 6,178 | -2,684 |
| Clear ForkTOP-LOWER CLEARFORK | 6,178 | -2,684 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,308 | 6,391 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 468 | 12.25 | 300 S |
| 4.5 | 6,398 | 7.875 | 1,650 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 | Oct 11, 2001 | Aug 18, 2000 | — |
| 00 | Jun 4, 2001 | Jun 27, 2000 | — |
| 00 | Mar 2, 2001 | — | — |
| 00 | Mar 11, 1988 | Mar 1, 1988 | Yes |
| 00 | Mar 8, 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 42-219-35230 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-219-35230 → 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
- 2.1M
- bbl, all reported
- Mar 2019
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000090090 | H-1 Injection | Plugged Feb 5, 2018 | 800 | 3,150 | 6,308–6,391 |
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/21935230, documented in the API reference.