WELL · 42-135-40209 · DISTRICT 8
Madysen #3601
Ector County · Sallie Ann (Spraberry-Wolfcamp) field · Vertical
Madysen #3601 (API 42-135-40209) is a plugged well in Ector County, plugged October 31, 2017, last operated by Xto Energy Inc..
The RRC has issued 2 drilling permits (amended twice) between 2010 and 2013, permitted to 11,300 ft.
It was permitted by Linn Operating, Inc. and has since transferred to Xto Energy Inc. on the wellbore schedule.
Completion filings report 6 formation tops, including Glorieta, Clear Fork, Spraberry, Dean.
Its 2 leases have reported 109K barrels of oil and 157K mcf of gas since December 2010, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Linn Operating, Inc.; the EWA schedule now lists a different operator.
- Based in
- Spring, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Apr 8, 2026
- Permits on file
- 16,156
- Phone
- (346) 502-1572
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | XTO Energy Inc. |
| Production reports | Diamondback E&P LLCthrough Dec 2024 |
| Latest permit | Linn Operating, Inc.Apr 29, 2013 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,300
- total depth, ft
- 4
- permits on file
- Apr 29, 2013
- last permit issued
- Dec 13, 2010
- completed
- 109K
- cumulative oil, bbl
- 157K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2010 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 13, 2010
- Shut in
- —
- Plugged
- Oct 31, 2017
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 2 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Madysen O-10-42395 | Spraberry (Trend Area) | Diamondback E&P LLC | 2 | 79.2K | 107K | Oct 2011 – Jul 2026 |
| Madysen O-10-40688 | Sallie Ann (Spraberry-Wolfcamp) | XTO Energy Inc. | 1 | 29.5K | 50.1K | Dec 2010 – Mar 2016 |
Oil, barrels lease total
Last 12 months 0 · prior 12 1,189(-100%)
Gas, mcf lease total
Last 12 months 0 · prior 12 3,570(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Linn Operating, Inc.Dec 2010 → Oct 2014
- 2XTO Energy Inc.Nov 2014 → Mar 2022
- 3Firebird Energy LLCApr 2022 → Nov 2022
- 4Diamondback E&P LLCDec 2022 → Dec 2024
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 760877-98 | Field transfer | Linn Operating, Inc. | May 1, 2013 | Apr 29, 2013 | — | 11,300 |
| 760877-99 | Field transfer | Linn Operating, Inc. | Apr 16, 2013 | Apr 29, 2013 | May 1, 2013 | 11,300 |
| 691729-98 | Drill | Linn Operating, Inc. | Jul 18, 2010 | Feb 26, 2010 | Oct 3, 2010 | 11,300 |
| 691729-99 | Drill | Henry Resources LLC | Feb 23, 2010 | Feb 26, 2010 | Oct 2, 2010 | 11,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-40688 | — | — | — | — |
| — | — O-10-42395 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,858 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,015 | 10,055 | Perforated |
| 8,053 | 10,055 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,429 | 12.25 | 650 S |
| 5.5 | 10,158 | 7.875 | 825 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 | Feb 26, 2016 | Nov 4, 2015 | Yes |
| 00 | May 18, 2011 | Dec 22, 2010 | 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 42-135-40209 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-135-40209 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/13540209, documented in the API reference.