TEXAS · WELLS · FAYETTE COUNTY · OLDENBURG C LEASE · API 42-149-32848 · DISTRICT 03
Oldenburg C #4
Fayette County · Giddings (Austin Chalk-3) field · Producing · Horizontal
Oldenburg C #4 (API 42-149-32848) is a horizontal well in Fayette County operated by Magnolia Oil & Gas Operating LLC, completed March 30, 1994 and listed as producing on the RRC schedule, shut in August 1, 2026.
The RRC has issued one drilling permit (amended once), issued January 11, 1994, permitted to 13,789 ft.
It was permitted by Gemini Exploration Company and has since transferred to Magnolia Oil & Gas Operating LLC on the wellbore schedule.
Completion filings report 3 formation tops, including B/Wilcox, Navarro, Pecan Gap.
No lease production has been reported under this well’s leases.
Operator of record
Magnolia Oil & Gas Operating LLC
Permitted by Gemini Exploration Company; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- May 6, 2026
- Permits on file
- 615
- Phone
- (713) 842-9050
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Magnolia Oil & Gas Operating LLC |
| Production reports | Magnolia Oil & Gas Operating LLCthrough Dec 2025 |
| Latest permit | Gemini Exploration CompanyJan 11, 1994 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 13,789
- total depth, ft
- 2
- permits on file
- Jan 11, 1994
- last permit issued
- Mar 30, 1994
- completed
- 0
- cumulative oil, bbl
- 1.94M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 1994 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 30, 1994
- Shut in
- Aug 1, 2026
- 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 |
|---|---|---|---|---|---|---|
| Oldenburg C G-3-149291 | Giddings (Austin Chalk, Gas) | Magnolia Oil & Gas Operating LLC | 1 | 0 | 1.94M | Mar 1994 – Jul 2026 |
Gas, mcf lease total
Last 12 months 3,255 · prior 12 5,041(-35%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Gemini Exploration CompanyMar 1994 → Apr 1995
- 2Union Pacific Austin Chalk Co.May 1995 → Jan 2001
- 3Rme Austin Chalk CompanyFeb 2001 → Nov 2002
- 4Anadarko Austin Chalk CompanyDec 2002 → Feb 2006
- 5Anadarko E&P Company LPMar 2006 → Jul 2007
- 6Enervest Operating, L.L.C.Aug 2007 → Jul 2018
- 7Magnolia Oil & Gas Operating LLCAug 2018 → Dec 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 420090-98 | Drill | Gemini Exploration Company | Jan 18, 1994 | Jan 11, 1994 | Jan 13, 1994 | 12,000 |
| 420090-99 | Drill | Gemini Exploration Company | Jan 11, 1994 | Jan 11, 1994 | — | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Mar 30, 1994 | Oldenburg C G-3-149291 | Giddings (Austin Chalk-3) | Magnolia Oil & Gas Operating LLC | Producing · shut in Aug 1, 2026 | 13,789 |
Formation tops
As filed on W-2/G-1. Subsea from 413 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,116 | 13,789 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,629 | 12.25 | 865 S |
| 7 | 11,117 | 8.75 | 390 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 | Jun 8, 1994 | May 11, 1994 | Yes |
| 00 | Jun 1, 1994 | — | — |
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 42-149-32848 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-149-32848 → 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/14932848, documented in the API reference.