WELL · 42-461-31156 · DISTRICT 7
Amacker A #1
Upton County · Amacker-Tippett S (Devonian) field · Vertical
Amacker A #1 (API 42-461-31156) is a plugged well in Upton County, plugged September 22, 2000, last operated by Matador Operating Company.
The RRC has issued 2 drilling permits between 1977 and 1993, permitted to 11,734 ft.
It was permitted by Enron Oil & Gas Company and has since transferred to Matador Operating Company on the wellbore schedule.
Completion filings report 6 formation tops, including Dean, Wolfcamp, Strawn, Barnett.
Its 2 leases have reported 330 barrels of oil and 3.03K mcf of gas since January 1993, last reporting in November 2000. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Enron Oil & Gas Company; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed Nov 7, 2003 · 213 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Matador Operating Company |
| Production reports | Enron Oil & Gas Companythrough Jun 1993 |
| Latest permit | Enron Oil & Gas CompanyMay 12, 1993 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,734
- total depth, ft
- 2
- permits on file
- May 12, 1993
- last permit issued
- Oct 15, 1977
- completed
- 330
- cumulative oil, bbl
- 3.03K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Nov 2000
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 15, 1977
- Shut in
- —
- Plugged
- Sep 22, 2000
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 2 leases 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 |
|---|---|---|---|---|---|---|
| Amacker "A" O-9-13466 | Amacker-Tippett, S. (Bend, Up.) | Matador Operating Company | 1 | 112 | 1 | Jun 1993 – Nov 2000 |
| Amacker "A" O-9-7332 | Amacker-Tippett, S (Devonian) | Enron Oil & Gas Company | 1 | 218 | 3.03K | Jan 1993 – Jul 1993 |
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.
- 1Enron Oil & Gas CompanyJan 1993 → Jun 1993
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 411523-99 | Recompletion | Enron Oil & Gas Company | May 10, 1993 | May 12, 1993 | May 7, 1993 | 11,734 |
| 583-99 | Drill | Holly Energy, Inc. | Nov 23, 1977 | Nov 23, 1977 | Jul 31, 1977 | 11,734 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-7332 | — | — | — | — |
| — | — O-9-13466 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,722 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,808 | 9,838 | Perforated |
| 9,810 | 9,814 | Perforated |
| 9,845 | 9,847 | Perforated |
| 9,864 | 9,867 | Perforated |
| 10,082 | 10,089 | Perforated |
| 10,114 | 10,125 | Perforated |
| 10,896 | 11,430 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 410 | 17.5 | 410 S |
| 9.625 | 4,708 | 12.25 | 1,050 S |
| 5.5 | 11,734 | 8.75 | 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 | Jul 21, 1993 | Jun 21, 1993 | Yes |
| 00 | Jun 28, 1993 | Nov 16, 1977 | — |
| 00 | Jan 12, 1984 | Nov 16, 1977 | — |
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 42-461-31156 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-31156 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/46131156, documented in the API reference.