WELL · 42-371-37614 · DISTRICT 8
Mendel Estate 38 #4
Pecos County · Maralo (Delaware) field · Vertical
Mendel Estate 38 #4 (API 42-371-37614) is a plugged well in Pecos County, plugged August 9, 2018, last operated by Black Mountain Oil & Gas II LLC.
The RRC has issued one drilling permit (amended once), issued August 26, 2005, permitted to 11,500 ft.
It was permitted by Cog Operating LLC and has since transferred to Black Mountain Oil & Gas II LLC on the wellbore schedule.
Completion filings report 6 formation tops, including Rustler, Yates, Penrose, San Andres.
Its lease has reported 837 barrels of oil and 7.53K mcf of gas since May 2006, last reporting in October 2018.
Operator of record
Black Mountain Oil & Gas II LLC
Permitted by COG Operating LLC; the EWA schedule now lists a different operator.
Fort Worth, TX · P-5 Y, filed Apr 9, 2021 · 7 permits on file · (713) 397-2264
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Black Mountain Oil & Gas II LLC |
| Production reports | COG Operating LLCthrough Mar 2008 |
| Latest permit | COG Operating LLCAug 26, 2005 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,500
- total depth, ft
- 2
- permits on file
- Aug 26, 2005
- last permit issued
- May 5, 2006
- completed
- 837
- cumulative oil, bbl
- 7.53K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2006 THROUGH Oct 2018
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 5, 2006
- Shut in
- —
- Plugged
- Aug 9, 2018
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 |
|---|---|---|---|---|---|---|
| Mendel Estate 38 O-10-37782 | Maralo (Delaware) | Black Mountain Oil & Gas II LLC | 1 | 837 | 7.53K | May 2006 – Oct 2018 |
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.
- 1COG Operating LLCMay 2006 → Mar 2008
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 605535-98 | Drill | COG Operating LLC | Jul 11, 2006 | Aug 26, 2005 | Dec 21, 2005 | 11,500 |
| 605535-99 | Drill | COG Operating LLC | Aug 26, 2005 | Aug 26, 2005 | Dec 21, 2005 | 11,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-37782 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,954 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Rustler | 2,391 | 563 |
| Yates | 3,551 | -597 |
| Penrose | 4,836 | -1,882 |
| San Andres | 5,452 | -2,498 |
| GlorietaGLORIETTA | 6,501 | -3,547 |
| L. Leonard | 7,625 | -4,671 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,244 | 6,278 | Perforated |
| 6,414 | 6,467 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 740 | 17.5 | 625 S |
| 9.625 | 4,980 | 12.25 | 1,740 S |
| 7 | 10,216 | 8.75 | 690 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 | Nov 7, 2006 | May 30, 2006 | Yes |
| 00 | Jul 21, 2006 | — | — |
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 42-371-37614 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-371-37614 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/37137614, documented in the API reference.