TEXAS · WELLS · LA SALLE COUNTY · MUMME-CEARLEY B UNIT LEASE · API 42-283-33218 · DISTRICT 01
Mumme-Cearley B Unit #36H
La Salle County · Eagleville (Eagle Ford-1) field · Producing · Horizontal
Mumme-Cearley B Unit #36H (API 42-283-33218) is a horizontal well in La Salle County operated by Verdun Oil EF II LLC, completed November 5, 2013 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued May 3, 2012, permitted to 10,076 ft.
It was permitted by Carrizo Oil & Gas, Inc. and has since transferred to Verdun Oil EF II LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Carrizo, Austin Chalk, Eagle Ford.
Its lease has reported 135K barrels of oil and 481K mcf of gas since June 2012, last reporting in July 2026.
Operator of record
Permitted by Carrizo Oil & Gas, Inc.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jan 26, 2026
- Permits on file
- 48
- Phone
- (713) 337-9300
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Verdun Oil EF II LLC |
| Production reports | Verdun Oil EF II LLCthrough Apr 2026 |
| Latest permit | Carrizo Oil & Gas, Inc.May 3, 2012 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,076
- total depth, ft
- 1
- permits on file
- May 3, 2012
- last permit issued
- Nov 5, 2013
- completed
- 135K
- cumulative oil, bbl
- 481K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2012 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 5, 2013
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 |
|---|---|---|---|---|---|---|
| Mumme-Cearley B Unit O-1-15991 | Eagleville (Eagle Ford-1) | Verdun Oil EF II LLC | 1 | 135K | 481K | Jun 2012 – Jul 2026 |
Oil, barrels lease total
Last 12 months 2,578 · prior 12 3,699(-30%)
Gas, mcf lease total
Last 12 months 1,868 · prior 12 5,999(-69%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Carrizo (Eagle Ford) LLCApr 2013 → Jan 2018
- 2EP Energy E&P Company, L.P.Feb 2018 → Apr 2022
- 3EP Energy E&P Company, LLCMay 2022 → Feb 2025
- 4Verdun Oil EF II LLCMar 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 739270-99 | Drill | Carrizo Oil & Gas, Inc. | Apr 27, 2012 | May 3, 2012 | Jul 10, 2012 | 11,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Nov 5, 2013 | Mumme-Cearley B Unit O-1-15991 | Eagleville (Eagle Ford-1) | Verdun Oil EF II LLC | Producing | 10,076 |
Formation tops
As filed on W-2/G-1. Subsea from 430 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| CarrizoBASE OF CARRIZO | 3,850 | -3,420 |
| Austin Chalk | 9,077 | -8,647 |
| Eagle Ford | 9,754 | -9,324 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,317 | 15,271 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,970 | 12.25 | 1,089 S |
| 5.5 | 15,395 | 8.5 | 2,305 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 | Jan 13, 2014 | Nov 6, 2013 | Yes |
| 00 | Jun 28, 2013 | Jun 25, 2013 | — |
| 00 | Sep 13, 2012 | Aug 8, 2012 | Yes |
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 42-283-33218 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-283-33218 → 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/28333218, documented in the API reference.