WELL · 42-477-31069 · DISTRICT 3
McMahan Unit #3H
Washington County · Giddings (Austin Chalk-3) field · Producing · Horizontal
Mcmahan Unit #3H (API 42-477-31069) is a horizontal well in Washington County operated by Magnolia Oil & Gas Operating LLC, completed August 20, 2018 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued March 9, 2018, permitted to 11,500 ft.
It was permitted by Enervest Operating, L.L.C. and has since transferred to Magnolia Oil & Gas Operating LLC on the wellbore schedule.
Completion filings report 7 formation tops, including Wilcox, Midway, Navarro, Taylor.
No lease production has been reported under this well’s leases.
Operator of record
Magnolia Oil & Gas Operating LLC
Permitted by Enervest Operating, L.L.C.; 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 | Enervest Operating, L.L.C.Mar 9, 2018 |
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
- Mar 9, 2018
- last permit issued
- Aug 20, 2018
- completed
- 0
- cumulative oil, bbl
- 3.15M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2018 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 20, 2018
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
30.244696, -96.634463
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Washington 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 |
|---|---|---|---|---|---|---|
| McMahan Unit G-3-287648 | Giddings (Austin Chalk, Gas) | Magnolia Oil & Gas Operating LLC | 1 | 0 | 3.15M | Aug 2018 – Jul 2026 |
Gas, mcf lease total
Last 12 months 88,249 · prior 12 127,627(-31%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Magnolia Oil & Gas Operating LLCAug 2018 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 837176-98 | Drill | Enervest Operating, L.L.C. | May 2, 2018 | Mar 9, 2018 | Jun 11, 2018 | 11,500 |
| 837176-99 | Drill | Enervest Operating, L.L.C. | Mar 6, 2018 | Mar 9, 2018 | Jun 11, 2018 | 11,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-287648 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 317 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,957 | 15,301 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 3,042 | 14.75 | 1,510 S |
| 5.5 | 9,638 | 6.75 | 830 S |
| 7.625 | 10,558 | 9.875 | 925 S |
| 4.5 | 15,422 | 6.75 | 830 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 | Dec 10, 2019 | Jul 24, 2019 | 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 42-477-31069 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-477-31069 → 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.
McMahan Unit42-477-31070
0.0 KM · Enervest Operating, L.L.C. · Section with this well →
| Wilcox | 3,399 | -3,082 |
| Midway | 6,895 | -6,578 |
| Navarro | 7,976 | -7,659 |
| Taylor | 8,481 | -8,164 |
| Pecan Gap | 9,507 | -9,190 |
| Austin Chalk | 10,426 | -10,109 |
| Caprock | — |
McMahan Unit42-477-31046
0.0 KM · Enervest Operating, L.L.C. · Section with this well →
| Wilcox | 3,078 | -2,762 |
| Navarro | 7,998 | -7,682 |
| Pecan Gap | 9,508 | -9,192 |
| Austin Chalk | 10,434 | -10,118 |
| Caprock | — |
Jilana JO Unit42-477-31263
0.6 KM · Magnolia Oil & Gas Operating LLC · Section with this well →
| Midway | 7,062 | -6,758 |
| Navarro | 7,892 | -7,588 |
| Nevarro | 7,892 | -7,588 |
| Tyler | 8,401 | -8,097 |
| Paccon Gap | 9,433 | -9,129 |
| Pecan Gap | 9,433 | -9,129 |
| Pecan Gap | 9,887 | -9,583 |
| Austin Chalk | 10,302 | -9,998 |
10 TOPS · FIRST 8
Jilana JO Unit42-477-31264
0.6 KM · Magnolia Oil & Gas Operating LLC · Section with this well →
| Mid Way | 7,134 | -6,830 |
| Midway | 7,134 | -6,830 |
| Navarro | 7,995 | -7,691 |
| Nevarro | 7,995 | -7,691 |
| Tyler | 8,473 | -8,169 |
| Pecan Gap | 9,484 | -9,180 |
| Austin Chalk | 10,398 | -10,094 |
| Caprock | — |
9 TOPS · FIRST 8
Jilana JO Unit42-477-31265
0.6 KM · Magnolia Oil & Gas Operating LLC · Section with this well →
| Midway | 7,125 | -6,821 |
| Navarro | 7,966 | -7,662 |
| Nevarro | 7,966 | -7,662 |
| Tyler | 8,440 | -8,136 |
| Pecan Gap | 9,468 | -9,164 |
| Austin Chalk | 10,381 | -10,077 |
| Wilcox | — | |
| Caprock | — |
Ridge Fox42-477-31244
0.6 KM · Magnolia Oil & Gas Operating LLC · Section with this well →
| Wilcox | 3,308 | -3,009 |
| Midway | 7,110 | -6,811 |
| Navarro | 7,936 | -7,637 |
| Tyler | 8,447 | -8,148 |
| Pecan Gap | 9,462 | -9,163 |
| Austin Chalk | 10,406 | -10,107 |
| Wilcox | — | |
| Caprock | — |
Ridge Oak42-477-31243
0.6 KM · Magnolia Oil & Gas Operating LLC · Section with this well →
| Wilcox | 3,298 | -2,999 |
| Midway | 7,110 | -6,811 |
| Navarro | 7,936 | -7,637 |
| Tyler | 8,447 | -8,148 |
| Pecan Gap | 9,462 | -9,163 |
| Austin Chalk | 10,406 | -10,107 |
| Wilcox | — | |
| Caprock | — |
Ridge Sixers42-477-31242
0.6 KM · Magnolia Oil & Gas Operating LLC · Section with this well →
| Wilcox | 3,300 | -3,001 |
| Midway | 7,112 | -6,813 |
| Nevarro | 7,956 | -7,657 |
| Tyler | 8,447 | -8,148 |
| Paccon Gap | 9,475 | -9,176 |
| Austin Chalk | 10,423 | -10,124 |
| Caprock | — | |
| Wilcox | — |
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/47731069, documented in the API reference.