TEXAS · WELLS · TARRANT COUNTY · MCMAHON, MARK GU LEASE · API 42-439-35564 · DISTRICT 7C
McMahon Mark GU #2H
Tarrant County · Newark East (Barnett Shale) field · Horizontal
Mcmahon Mark GU #2H (API 42-439-35564) is a plugged horizontal well in Tarrant County, plugged January 24, 2014, last operated by Devon Energy Production CO L.P..
The RRC has issued one drilling permit (amended once), issued November 29, 2010, permitted to 9,000 ft.
Completion filings report 2 formation tops, including Marble Falls, Barnett.
Its lease has reported 170 mcf of gas since September 2011, with no volume in the three years through April 2026.
Operator of record
Devon Energy Production Co L.P.
- Based in
- Oklahoma City, OK
- P-5 status
- Active (A)
- P-5 last filed
- Dec 18, 2025
- Permits on file
- 9,266
- Phone
- (405) 235-3611
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Devon Energy Production Co L.P. |
| Production reports | Devon Energy Production Co, L.P.through Oct 2011 |
| Latest permit | Devon Energy Production Co, L.P.Nov 29, 2010 |
- 9,000
- total depth, ft
- 2
- permits on file
- Nov 29, 2010
- last permit issued
- Sep 27, 2011
- completed
- 0
- cumulative oil, bbl
- 170
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2011 THROUGH Oct 2011
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 27, 2011
- Shut in
- —
- Plugged
- Jan 24, 2014
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 |
|---|---|---|---|---|---|---|
| McMahon, Mark GU G-13-262887 | Newark, East (Barnett Shale) | Devon Energy Production Co, L.P. | 1 | 0 | 170 | Sep 2011 – Oct 2011 |
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.
- 1Devon Energy Production Co, L.P.Sep 2011 → Oct 2011
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 704396-98 | Drill | Devon Energy Production Co, L.P. | Jun 2, 2011 | Nov 29, 2010 | Jun 14, 2011 | 9,000 |
| 704396-99 | Drill | Devon Energy Production Co, L.P. | Oct 27, 2010 | Nov 29, 2010 | — | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Sep 27, 2011 | McMahon Mark GU G-13-262887 | Newark East (Barnett Shale) | Devon Energy Production Co L.P. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 738 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Marble Falls | 6,436 | -5,698 |
| BarnettUPPER BARNETT SHALE | 6,485 | -5,747 |
| BarnettLOWER BARNETT SHALE | 6,530 | -5,792 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,540 | 7,723 | Perforated |
| 7,870 | 8,053 | Perforated |
| 8,200 | 8,353 | Perforated |
| 8,540 | 8,713 | Perforated |
| 8,880 | 9,033 | Perforated |
| 9,220 | 9,373 | Perforated |
| 9,520 | 9,673 | Perforated |
| 9,820 | 9,973 | Perforated |
| 10,120 | 10,273 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 842 | 12.25 | 245 S |
| 5.5 | 10,416 | 8.5 | 1,185 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Apr 4, 2012 | Oct 11, 2011 | 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 42-439-35564 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-439-35564 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/43935564, documented in the API reference.