WELL · 42-321-31785 · DISTRICT 3
McWilliams #1SW
Matagorda County · Bay City East (10 000 A) field · Vertical
Mcwilliams #1SW (API 42-321-31785) is a plugged well in Matagorda County, plugged June 5, 2014, last operated by Alta Mesa Services LP.
The RRC has issued one drilling permit (amended once), issued July 16, 1999, permitted to 3,000 ft.
It was permitted by Expro Engineering, Inc. and has since transferred to Alta Mesa Services LP on the wellbore schedule.
Completion filings report one formation top, including Miocene (undifferentiated).
Operator of record
Permitted by Expro Engineering, Inc.; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Dec 4, 2025 · 140 permits on file · (866) 223-9968
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Alta Mesa Services LP |
| Production reports | none |
| Latest permit | Expro Engineering, Inc.Nov 21, 2001 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 3,000
- total depth, ft
- 2
- permits on file
- Nov 21, 2001
- last permit issued
- Jul 5, 2008
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2006 THROUGH Jun 2014
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 5, 2008
- Shut in
- —
- Plugged
- Jun 5, 2014
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 |
|---|---|---|---|---|---|---|
| McWilliams G-3-238242 | Bay City, East (10,000 A) | Alta Mesa Services, LP | 1 | 0 | 0 | Aug 2006 – Jun 2014 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 485788-97 | Drill | Expro Engineering, Inc. | Nov 19, 2001 | Nov 21, 2001 | Jul 31, 2000 | 3,000 |
| 485788-99 | Drill | Expro Engineering, Inc. | Jul 12, 1999 | Jul 16, 1999 | Jul 31, 2000 | 3,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-238242 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 46 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Miocene (undifferentiated)MIOCENE | 950 | -904 |
| Miocene (undifferentiated)TOP MIOCENE | 950 | -904 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,356 | 2,378 | Perforated |
| 2,356 | 2,400 | Perforated |
| 2,380 | 2,392 | Perforated |
| 2,394 | 2,400 | Perforated |
| 2,516 | 2,522 | Perforated |
| 2,526 | 2,554 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,351 | 14.75 | 758 S |
| 7 | 2,696 | 9.875 | 785 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 | Jun 12, 2009 | Oct 6, 2008 | — |
| 00 | Dec 10, 2008 | Jul 16, 2008 | — |
| 00 | Sep 5, 2008 | Sep 11, 2000 | Yes |
| 00 | Aug 29, 2008 | — | — |
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 42-321-31785 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-321-31785 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 0
- bbl, last 12 reported months
- 2.39M
- bbl, all reported
- Dec 2013
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000089071 | W-14 Disposal | Plugged Jun 27, 2014 | 3,600 | 700 | 2,320–2,700 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 0 · prior 12 182,931(-100%)
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/32131785, documented in the API reference.