WELL · 42-123-32180 · DISTRICT 2
Duderstadt J. B. #1
DE Witt County · Friar Ranch S. (Consolidated) field · Producing · Directional
Duderstadt J. B. #1 (API 42-123-32180) is a well in De Witt County operated by Mosley Oil &Gas Inc, completed December 7, 2007 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued September 19, 2007, permitted to 17,000 ft.
It was permitted by Chesapeake Operating, Inc. and has since transferred to Mosley Oil &Gas Inc on the wellbore schedule.
Completion filings report 3 formation tops, including Wilcox, Peck, Top Of Roeder Section.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Chesapeake Operating, Inc.; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Jun 4, 2026 · (409) 291-6114
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Mosley Oil &gas Inc |
| Production reports | Fletcher Operating, LLCthrough Apr 2022 |
| Latest permit | Chesapeake Operating, Inc.Sep 19, 2007 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 17,000
- total depth, ft
- 2
- permits on file
- Sep 19, 2007
- last permit issued
- Dec 7, 2007
- completed
- 0
- cumulative oil, bbl
- 3.91M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2007 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 7, 2007
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Delinquent
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 |
|---|---|---|---|---|---|---|
| Duderstadt, J. B. G-2-232872 | Friar Ranch, S. (Consolidated) | Mosley Oil &gas Inc | 1 | 0 | 3.91M | Dec 2007 – Jul 2026 |
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.
- 1Chesapeake Operating, Inc.Dec 2007 → Aug 2014
- 2Hilcorp Energy CompanySep 2014 → Dec 2017
- 3Remora Operating, LLCJan 2018 → Nov 2020
- 4Fletcher Operating, LLCMar 2021 → Apr 2022
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 646142-98 | Drill | Chesapeake Operating, Inc. | Sep 26, 2007 | Sep 19, 2007 | Oct 18, 2007 | 17,000 |
| 646142-99 | Drill | Chesapeake Operating, Inc. | Sep 14, 2007 | Sep 19, 2007 | Oct 18, 2007 | 17,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-232872 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 207 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Wilcox | 7,724 | -7,517 |
| Peck | 10,390 | -10,183 |
| Top of Roeder Section | 12,670 | -12,463 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 13,176 | 13,922 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 2,550 | 14.75 | 1,505 S |
| 7.625 | 10,400 | 9.875 | 417 S |
| 3.5 | 14,058 | 6.75 | 200 S |
| 4.5 | 14,070 | — | — |
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 | Mar 11, 2008 | Feb 12, 2008 | — |
| 00 | Feb 15, 2008 | Jan 18, 2008 | Yes |
| 00 | Feb 7, 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 42-123-32180 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-123-32180 → 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/12332180, documented in the API reference.