WELL · 42-431-31630 · DISTRICT 8
Mahaffey #2
Sterling County · Conger (Penn) field · Vertical
Mahaffey #2 (API 42-431-31630) is a well in Sterling County operated by Eqt Production Texas LLC, completed September 23, 1985.
The RRC has issued one drilling permit, issued April 8, 1985, permitted to 8,500 ft.
It was permitted by Grand Banks Energy Company and has since transferred to Eqt Production Texas LLC on the wellbore schedule.
Completion filings report 2 formation tops, including Cisco, Canyon.
Its 2 leases have reported 7.87K barrels of oil and 265K mcf of gas since January 1993, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Grand Banks Energy Company; the EWA schedule now lists a different operator.
Pittsburgh, PA · P-5 Y, filed Feb 8, 2019 · 12 permits on file · (800) 926-1759
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | EQT Production Texas LLC |
| Production reports | Burk Royalty Co., Ltd.through Sep 2025 |
| Latest permit | Grand Banks Energy CompanyApr 8, 1985 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,500
- total depth, ft
- 1
- permits on file
- Apr 8, 1985
- last permit issued
- Sep 23, 1985
- completed
- 7.87K
- cumulative oil, bbl
- 265K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 23, 1985
- Shut in
- —
- Plugged
- —
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 |
|---|---|---|---|---|---|---|
| Mahaffey G-10-277176 | Conger (Penn) | Burk Royalty Co., Ltd. | 1 | 0 | 22.7K | Dec 2014 – Jul 2026 |
| Mahaffey O-10-30168 | Conger (Penn) | EQT Production Texas, LLC | 1 | 7.87K | 242K | Jan 1993 – Jul 2015 |
Gas, mcf lease total
Last 12 months 762 · prior 12 2,472(-69%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Grand Banks Energy CompanyJan 1993 → May 1994
- 2Lomak Production CompanyJun 1994 → Aug 1998
- 3Range Production CompanySep 1998 → Feb 2012
- 4EQT Production Texas, LLCDec 2014 → May 2018
- 5Stanolind Production LLCJul 2018 → Dec 2020
- 6Slant Operating, LLCJan 2021 → Dec 2021
- 7Burk Royalty Co., Ltd.Jan 2022 → Sep 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 271881-99 | Drill | Grand Banks Energy Company | Mar 13, 1985 | Apr 8, 1985 | — | 8,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-10-277176 | — | — | — | — |
| — | — O-10-30168 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,614 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,937 | 7,982 | Perforated |
| 8,076 | 8,276 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 175 | 17.5 | 175 S |
| 8.625 | 2,032 | 11 | 1,250 S |
| 4.5 | 8,455 | 7.875 | 1,400 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 10, 2015 | Jan 8, 2015 | — |
| 00 | Nov 12, 1985 | Oct 15, 1985 | Yes |
| 00 | Oct 25, 1985 | — | — |
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 42-431-31630 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-431-31630 → 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/43131630, documented in the API reference.