WELL · 42-311-33671 · DISTRICT 1
Leonard Jacob Corp. #A121
McMullen County · Jacob field · Vertical
Leonard Jacob Corp. #A121 (API 42-311-33671) is a plugged well in Mcmullen County, plugged October 3, 2013, last operated by Loma Oil Company.
The RRC has issued one drilling permit, issued August 6, 2002, permitted to 1,000 ft.
Completion filings report 3 formation tops, including 1st Ligwite, 2nd Ligwite, Mra Pa.
Its lease has reported 37.4K barrels of oil and 21 mcf of gas since January 1993, last reporting in April 2014. The lease carries 76 wells, so these are lease totals, not this well alone.
Operator of record
San Antonio, TX · P-5 Y, filed Apr 4, 2014 · 11 permits on file · (210) 827-8785
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Loma Oil Company |
| Production reports | Loma Oil Companythrough Jun 2011 |
| Latest permit | Loma Oil CompanyAug 6, 2002 |
- 1,000
- total depth, ft
- 1
- permits on file
- Aug 6, 2002
- last permit issued
- Oct 17, 2002
- completed
- 37.4K
- cumulative oil, bbl
- 21
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Apr 2014
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 17, 2002
- Shut in
- —
- Plugged
- Oct 3, 2013
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; they carry 76 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Leonard Jacob Corp. O-1-714 | Jacob | Loma Oil Company | 76 | 37.4K | 21 | Jan 1993 – Apr 2014 |
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.
- 1Loma Oil CompanyJan 1993 → Jun 2011
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 522295-99 | Drill | Loma Oil Company | Jul 29, 2002 | Aug 6, 2002 | Oct 16, 2002 | 1,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-714 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 220 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| 1ST Ligwite | 670 | -450 |
| 2ND Ligwite | 690 | -470 |
| Mra PA | 707 | -487 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 862 | 884 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 4.5 | 927 | 7.875 | 144 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 | Oct 10, 2003 | Mar 25, 2003 | Yes |
| 00 | May 7, 2003 | — | — |
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 42-311-33671 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-311-33671 → 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/31133671, documented in the API reference.