WELL · 42-175-00671 · DISTRICT 2
Jacobs Matilda #1B
Goliad County · Mission Valley West (Massive-1) field · Vertical
Jacobs Matilda #1B (API 42-175-00671) is a plugged well in Goliad County, plugged January 10, 2020, last operated by Marwell Petroleum Ltd Partnrship.
The RRC has issued one drilling permit, issued September 17, 2003, permitted to 5,775 ft.
It was permitted by Marwell Petroleum, Inc. and has since transferred to Marwell Petroleum Ltd Partnrship on the wellbore schedule.
Its 2 leases have reported 22.9K barrels of oil and 261K mcf of gas since January 1993, last reporting in April 2024. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Marwell Petroleum Ltd Partnrship
Permitted by Marwell Petroleum, Inc.; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Nov 4, 2025 · 2 permits on file · (575) 725-0324
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Marwell Petroleum Ltd Partnrship |
| Production reports | Marwell Petroleum Ltd Partnrshipthrough May 2011 |
| Latest permit | Marwell Petroleum, Inc.Sep 17, 2003 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,775
- total depth, ft
- 1
- permits on file
- Sep 17, 2003
- last permit issued
- Mar 31, 1950
- completed
- 22.9K
- cumulative oil, bbl
- 261K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Apr 2024
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 31, 1950
- Shut in
- —
- Plugged
- Jan 10, 2020
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 |
|---|---|---|---|---|---|---|
| Jacobs, Matilda O-2-8820 | Mission Valley,w(cook Mountain) | Marwell Petroleum Ltd Partnrship | 1 | 22.9K | 75.2K | Apr 2003 – Apr 2024 |
| Jacobs, Matilda G-2-3431 | Mission Valley, West (Massive-1) | Marwell Petroleum Ltd Partnrship | 1 | 0 | 186K | Jan 1993 – Jan 2020 |
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.
- 1Marwell Petroleum, Inc.Jan 1993 → Apr 2006
- 2Marwell Petroleum Ltd PartnrshipMay 2006 → May 2011
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 536516-99 | Recompletion | Marwell Petroleum, Inc. | Sep 17, 2003 | Sep 17, 2003 | Apr 1, 2003 | 5,775 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-3431 | — | — | — | — |
| — | — O-2-8820 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,541 | 5,545 | Perforated |
| 8,905 | 8,955 | Perforated |
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 | Dec 11, 2003 | Sep 18, 2003 | Yes |
| 00 | Oct 7, 2003 | — | — |
| 00 | Jan 12, 1984 | — | — |
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 42-175-00671 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-175-00671 → 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/17500671, documented in the API reference.