TEXAS · WELLS · STERLING COUNTY · API 42-431-30102 · DISTRICT 7B
Mahaffey #104
Sterling County · Conger (Penn) field · Vertical
Mahaffey #104 (API 42-431-30102) is a plugged well in Sterling County, plugged November 7, 1997, last operated by Texaco E & P Inc..
The RRC has issued one drilling permit, issued October 22, 1981, permitted to 8,600 ft.
It was permitted by Wagner & Brown and has since transferred to Texaco E & P Inc. on the wellbore schedule.
Completion filings report 2 formation tops, including Cisco, Canyon.
Its 2 leases have reported 446 barrels of oil and 9.21K mcf of gas since January 1993, last reporting in November 1997. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Wagner & Brown; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Delinquent (D)
- P-5 last filed
- Jan 22, 2003
- Permits on file
- 3,332
- Phone
- (281) 561-3713
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Texaco E & P Inc. |
| Production reports | Texaco E & P Inc.through Mar 1997 |
| Latest permit | Wagner & BrownOct 22, 1981 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,600
- total depth, ft
- 1
- permits on file
- Oct 22, 1981
- last permit issued
- Nov 6, 1981
- completed
- 446
- cumulative oil, bbl
- 9.21K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 1997
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 6, 1981
- Shut in
- —
- Plugged
- Nov 7, 1997
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-10-147936 | Conger (Penn) | Texaco E & P Inc. | 1 | 0 | 5.57K | Oct 1993 – Nov 1997 |
| Mahaffey O-10-27035 | Conger (Penn) | Wagner & Brown, Ltd. | 1 | 446 | 3.64K | Jan 1993 – Feb 1994 |
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.
- 1Wagner & Brown, Ltd.Jan 1993 → Aug 1996
- 2Texaco E & P Inc.Feb 1997 → Mar 1997
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 138507-99 | Other | Wagner & Brown | Oct 22, 1981 | Oct 22, 1981 | — | 8,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Nov 6, 1981 | Mahaffey O-10-27035 | Conger (Penn) | Wagner & Brown Ltd. | Plugged | — |
| Nov 6, 1981 | Mahaffey G-10-147936 | Conger (Penn) | Texaco E & P Inc. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,519 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,511 | 7,520 | Perforated |
| 7,511 | 8,115 | Perforated |
| 7,668 | 7,937 | Perforated |
| 7,972 | 8,115 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,970 | 12.25 | 1,525 S |
| 2.375 | 8,125 | — | — |
| 4.5 | 8,237 | 7.875 | 800 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 | Apr 11, 1994 | Jan 24, 1994 | — |
| 00 | Feb 9, 1994 | — | — |
| 00 | Jan 12, 1984 | Dec 28, 1981 | — |
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 42-431-30102 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-431-30102 → 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/43130102, documented in the API reference.