WELL · 42-331-34402 · DISTRICT 3
Mackerel #1H
Milam County · Giddings (Buda) field · Horizontal
Mackerel #1H (API 42-331-34402) is a plugged horizontal well in Milam County, plugged May 22, 2026, last operated by Buffco Production Inc..
The RRC has issued one drilling permit, issued May 24, 2012, permitted to 11,500 ft.
It was permitted by Xto Energy Inc. and has since transferred to Buffco Production Inc. on the wellbore schedule.
Completion filings report 3 formation tops, including Austin Chalk, Eagle Ford, Buda.
Its lease has reported 17.7K barrels of oil and 30.7K mcf of gas since January 2013, last reporting in July 2026.
Operator of record
Permitted by XTO Energy Inc.; the EWA schedule now lists a different operator.
- Based in
- Longview, TX
- P-5 status
- Active (A)
- P-5 last filed
- Nov 14, 2025
- Permits on file
- 397
- Phone
- (903) 988-8199
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Buffco Production Inc. |
| Production reports | Buffco Production Inc.through Mar 2026 |
| Latest permit | XTO Energy Inc.May 24, 2012 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,500
- total depth, ft
- 1
- permits on file
- May 24, 2012
- last permit issued
- Aug 14, 2025
- completed
- 17.7K
- cumulative oil, bbl
- 30.7K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2013 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 14, 2025
- Shut in
- —
- Plugged
- May 22, 2026
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 |
|---|---|---|---|---|---|---|
| Mackerel O-3-26131 | Giddings (Buda) | Buffco Production Inc. | 1 | 17.7K | 30.7K | Jan 2013 – Jul 2026 |
Oil, barrels lease total
Last 12 months 422 · prior 12 294(+44%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1XTO Energy Inc.Jan 2013 → Jan 2015
- 2Buffco Production Inc.Feb 2019 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 739059-99 | Drill | XTO Energy Inc. | Apr 25, 2012 | May 24, 2012 | Dec 1, 2012 | 11,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-26131 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 490 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 5,397 | -4,907 |
| Eagle Ford | 5,932 | -5,442 |
| Buda | 6,167 | -5,677 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,507 | 6,524 | Perforated |
| 6,507 | 7,677 | Perforated |
| 6,507 | 8,211 | Perforated |
| 6,524 | 10,507 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,205 | 12.25 | 1,115 S |
| 7 | 6,524 | 8.75 | 332 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 12, 2026 | Sep 3, 2025 | — |
| 00 | Apr 1, 2020 | Nov 26, 2019 | — |
| 00 | Jul 15, 2019 | May 15, 2019 | — |
| 00 | Sep 9, 2013 | Mar 8, 2013 | Yes |
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 42-331-34402 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-331-34402 → 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/33134402, documented in the API reference.