WELL · 42-149-33532 · DISTRICT 3
Sampson-Mueller A #4H
Fayette County · Giddings (Austin Chalk-3) field · Producing · Horizontal
Sampson-Mueller A #4H (API 42-149-33532) is a horizontal well in Fayette County operated by Magnolia Oil & Gas Operating LLC, completed February 20, 2022 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued November 5, 2021, permitted to 10,800 ft.
It was permitted by Dallas Petroleum Group, LLC and has since transferred to Magnolia Oil & Gas Operating LLC on the wellbore schedule.
Completion filings report 5 formation tops, including Unidentified Water Sand - Dispos, Navarro, Austin Chalk, Glen Rose.
Its lease has reported 368K barrels of oil and 1.46M mcf of gas since February 2022, last reporting in July 2026.
Operator of record
Magnolia Oil & Gas Operating LLC
Permitted by Dallas Petroleum Group, LLC; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Mar 4, 2026 · 615 permits on file · (713) 345-6206
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Magnolia Oil & Gas Operating LLC |
| Production reports | Magnolia Oil & Gas Operating LLCthrough Apr 2026 |
| Latest permit | Dallas Petroleum Group, LLCNov 5, 2021 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,800
- total depth, ft
- 2
- permits on file
- Nov 5, 2021
- last permit issued
- Feb 20, 2022
- completed
- 368K
- cumulative oil, bbl
- 1.46M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2022 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 20, 2022
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
30.095097, -96.808464
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Fayette County.
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 |
|---|---|---|---|---|---|---|
| Sampson-Mueller A O-3-28033 | Giddings (Austin Chalk-3) | Magnolia Oil & Gas Operating LLC | 1 | 368K | 1.46M | Feb 2022 – Jul 2026 |
Oil, barrels lease total
Last 12 months 26,787 · prior 12 38,262(-30%)
Gas, mcf lease total
Last 12 months 144,179 · prior 12 219,177(-34%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Dallas Petroleum Group, LLCFeb 2022 → Jul 2025
- 2Magnolia Oil & Gas Operating LLCAug 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 874261-98 | Drill | Dallas Petroleum Group, LLC | Nov 23, 2021 | Nov 5, 2021 | — | 10,800 |
| 874261-99 | Drill | Dallas Petroleum Group, LLC | Nov 4, 2021 | Nov 5, 2021 | Nov 12, 2021 | 10,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-28033 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 431 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Unidentified Water Sand - Dispos | 1,950 | -1,519 |
| Navarro | 7,767 | -7,336 |
| Austin Chalk | 9,450 | -9,019 |
| Glen RoseGLEN ROSE, LOWER - DISPOSAL | — | — |
| WilcoxWILCOX - DISPOSAL | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,550 | 18,252 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 2,712 | 17.5 | 2,075 S |
| 9.625 | 9,810 | 12.25 | 1,770 S |
| 5.5 | 18,312 | 8.5 | 2,900 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 2, 2023 | Oct 5, 2022 | 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 42-149-33532 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-149-33532 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Sampson-Mueller B42-149-33549
0.1 KM · Dallas Petroleum Group, LLC · Section with this well →
| Wilcox | 3,033 | -2,602 |
| Midway | 7,005 | -6,574 |
| Taylor | 8,394 | -7,963 |
| Austin Chalk | 10,000 | -9,569 |
| Unidentified Water Sand - Dispos | — | |
| Glen Rose | — |
Headliner One42-149-33620
2.7 KM · Magnolia Oil & Gas Operating LLC · Section with this well →
| Wilcox | 3,363 | -2,928 |
| Midway | 7,296 | -6,861 |
| Navarro | 8,137 | -7,702 |
| Taylor | 8,716 | -8,281 |
| Pecan Gap | 9,592 | -9,157 |
| Austin Chalk | 10,099 | -9,664 |
| Glen Rose | — | |
| Unidentified Water Sand - Dispos | — |
Ale Two42-149-33621
2.7 KM · Magnolia Oil & Gas Operating LLC · Section with this well →
| Wilcox | 3,397 | -2,962 |
| Midway | 7,305 | -6,870 |
| Navarro | 8,157 | -7,722 |
| Taylor | 8,732 | -8,297 |
| Pecan Gap | 9,628 | -9,193 |
| Austin Chalk | 10,137 | -9,702 |
| Unidentified Water Sand - Dispos | — | |
| Glen Rose | — |
Kermit A42-149-33558
3.2 KM · Dallas Petroleum Group, LLC · Section with this well →
| Midway | 5,945 | -5,551 |
| Navarro | 6,881 | -6,487 |
| Tyler | 7,497 | -7,103 |
| Austin Chalk | 9,564 | -9,170 |
| Wilcox | — | |
| Unidentified Water Sand - Dispos | — | |
| Glen Rose | — |
Pandora Unit42-149-33559
3.2 KM · Dallas Petroleum Group, LLC · Section with this well →
| Unidentified Water Sand - Dispos | 1,950 | -1,556 |
| Midway | 5,945 | -5,551 |
| Navarro | 6,881 | -6,487 |
| Tyler | 7,497 | -7,103 |
| Austin Chalk | 8,736 | -8,342 |
| Glen Rose | — | |
| Wilcox | — |
Cincinnatus42-149-33557
4.0 KM · Dallas Petroleum Group, LLC · Section with this well →
| Unidentified Water Sand - Dispos | 1,500 | -1,087 |
| Wilcox | 2,972 | -2,559 |
| Midway | 6,942 | -6,529 |
| Navarro | 7,767 | -7,354 |
| Glen Rose | 7,767 | -7,354 |
| Pecan Gap | 9,227 | -8,814 |
| Austin Chalk | 9,772 | -9,359 |
Porter Murphy42-149-33544
4.3 KM · Leexus Oil LLC · Section with this well →
| Wilcox | 2,951 | -2,556 |
| Midway | 6,840 | -6,445 |
| Taylor | 6,951 | -6,556 |
| Navarro | 7,650 | -7,255 |
| Pecan Gap | 9,093 | -8,698 |
| Austin Chalk | 9,586 | -9,191 |
| Glen Rose | — |
Fat Tire B42-149-33514
4.3 KM · Magnolia Oil & Gas Operating LLC · Section with this well →
| Navarro | 7,795 | -7,382 |
| Pecan Gap | 9,244 | -8,831 |
| Austin Chalk | 9,813 | -9,400 |
| Unidentified Water Sand - Dispos | — | |
| Wilcox | — | |
| Glen Rose | — |
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/14933532, documented in the API reference.