TEXAS · WELLS · SAN PATRICIO COUNTY · API 42-409-32044 · DISTRICT 04
Welder E. H. -C- #166
San Patricio County · Plymouth (3550) field · Temp Abandoned · Vertical
Welder E. H. -C- #166 (API 42-409-32044) is a well in San Patricio County operated by Mcgowan Working Partners Inc., completed June 6, 1998 and listed as temp abandoned on the RRC schedule, shut in May 1, 2009.
The RRC has issued 4 drilling permits between 1985 and 1998, permitted to 7,210 ft.
It was permitted by Marathon Oil Company and has since transferred to Mcgowan Working Partners Inc. on the wellbore schedule.
Completion filings report 3 formation tops, including Miocene (undifferentiated), Anahuac, Frio.
Its 4 leases have reported 763K barrels of oil and 1.52M mcf of gas since January 1993, last reporting in July 2026. The leases carry 54 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Marathon Oil Company; the EWA schedule now lists a different operator.
- Based in
- Jackson, MS
- P-5 status
- Active (A)
- P-5 last filed
- Oct 27, 2025
- Permits on file
- 60
- Phone
- (601) 982-3444
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Marathon Oil Company |
| Production reports | McGowan Working Partners, Inc.through Apr 2026 |
| Latest permit | Marathon Oil CompanyJul 1, 1998 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,210
- total depth, ft
- 4
- permits on file
- Jul 1, 1998
- last permit issued
- Jun 6, 1998
- completed
- 763K
- cumulative oil, bbl
- 1.52M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 6, 1998
- Shut in
- May 1, 2009
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (X)
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 4 leases this well is completed on; they carry 54 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Welder, E. H. -C- G-4-168915 | Plymouth (3550) | McGowan Working Partners, Inc. | 1 | 0 | 82.4K | Jun 1998 – Jul 2026 |
| Welder, E. H., -C- O-4-2126 | Plymouth | McGowan Working Partners, Inc. | 51 | 763K | 1.16M | Jan 1993 – Jul 2026 |
| Welder, E.H. "C" G-4-153693 | Plymouth (6000 -A-) | Marathon Oil Company | 1 | 0 | 97.7K | Mar 1995 – Jun 1998 |
| Welder, E.H. "C" G-4-145834 | Plymouth (6500) | Marathon Oil Company | 1 | 0 | 180K | Jun 1993 – Mar 1995 |
Oil, barrels lease total
Last 12 months 34,004 · prior 12 32,661(+4%)
Gas, mcf lease total
Last 12 months 43,949 · prior 12 34,916(+26%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Marathon Oil CompanyJan 1993 → Jan 2003
- 2EOG Resources, Inc.Feb 2003 → Apr 2009
- 3McGowan Working Partners, Inc.Aug 2012 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 477538-99 | Recompletion | Marathon Oil Company | Jun 29, 1998 | Jul 1, 1998 | Jun 2, 1998 | 7,210 |
| 434833-99 | Recompletion | Marathon Oil Company | Apr 13, 1995 | Apr 13, 1995 | Mar 9, 1995 | 7,210 |
| 413450-99 | Recompletion | Marathon Oil Company | Jul 2, 1993 | Jul 2, 1993 | Jun 22, 1993 | 7,209 |
| 274062-99 | Drill | Marathon Oil Company | May 3, 1985 | May 3, 1985 | Jul 17, 1985 | 7,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jun 6, 1998 | Welder E. H. -C- G-4-168915 | Plymouth (3550) | McGowan Working Partners Inc. | Temp Abandoned · shut in May 1, 2009 | 7,210 |
| Mar 21, 1995 | Welder E.H. C G-4-153693 | Plymouth (6000 -A-) | Marathon Oil Company | Not on Schedule | — |
| Jun 27, 1993 | Welder E.H. C G-4-145834 | Plymouth (6500) | Marathon Oil Company | Not on Schedule | — |
| Aug 14, 1985 | Welder E. H. -C- O-4-2126 | Plymouth | McGowan Working Partners Inc. | Not on Schedule | — |
Formation tops
As filed on W-2/G-1. Subsea from 42 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Miocene (undifferentiated)MIOCENE | 1 | 41 |
| Anahuac | 4,450 | -4,408 |
| Frio | 5,100 | -5,058 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,580 | 3,590 | Perforated |
| 5,612 | 5,616 | Perforated |
| 6,033 | 6,040 | Perforated |
| 6,449 | 6,451 | Perforated |
| 6,461 | 6,464 | Perforated |
| 6,552 | 6,557 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,316 | 12.25 | 471 S |
| 5.5 | 7,209 | 8.5 | 1,491 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 31, 1998 | Jun 29, 1998 | Yes |
| 00 | Jul 23, 1998 | — | — |
| 00 | Jun 19, 1995 | Apr 14, 1995 | Yes |
| 00 | Apr 28, 1995 | — | — |
| 00 | Sep 22, 1993 | Jul 12, 1993 | Yes |
| 00 | Jul 22, 1993 | — | — |
| 00 | Sep 26, 1985 | Aug 23, 1985 | — |
| 00 | Sep 10, 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 42-409-32044 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-409-32044 → 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/40932044, documented in the API reference.