WELL · 42-123-34411 · DISTRICT 2
Muir F - Ulrich a SA #1H
DE Witt County · Eagleville (Eagle Ford-2) field · Producing · Horizontal
Muir F - Ulrich A SA #1H (API 42-123-34411) is a horizontal well in De Witt County operated by Devon Energy Production CO L.P., completed September 26, 2018 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued March 17, 2017, permitted to 12,903 ft.
It was permitted by Bhp Billiton Pet(Txla OP) CO and has since transferred to Devon Energy Production CO L.P. on the wellbore schedule.
Completion filings report 14 formation tops, including Vicksburg, Yegua, Cook Mountain, Sparta.
Its lease has reported 369K barrels of oil and 1.44M mcf of gas since September 2017, last reporting in July 2026.
Operator of record
Devon Energy Production Co L.P.
Permitted by BHP Billiton Pet(txla OP) Co; the EWA schedule now lists a different operator.
- 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 Apr 2026 |
| Latest permit | BHP Billiton Pet(txla OP) CoMar 17, 2017 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,903
- total depth, ft
- 1
- permits on file
- Mar 17, 2017
- last permit issued
- Sep 26, 2018
- completed
- 369K
- cumulative oil, bbl
- 1.44M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2017 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 26, 2018
- Shut in
- —
- 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 |
|---|---|---|---|---|---|---|
| Muir F - Ulrich a SA O-2-11445 | Eagleville (Eagle Ford-2) | Devon Energy Production Co, L.P. | 1 | 369K | 1.44M | Sep 2017 – Jul 2026 |
Oil, barrels lease total
Last 12 months 8,465 · prior 12 9,100(-7%)
Gas, mcf lease total
Last 12 months 35,670 · prior 12 32,746(+9%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Devon Energy Production Co, L.P.Mar 2018 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 823904-99 | Drill | BHP Billiton Pet(txla OP) Co | Mar 1, 2017 | Mar 17, 2017 | Feb 14, 2018 | 14,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Sep 26, 2018 | Muir F - Ulrich a SA O-2-11445 | Eagleville (Eagle Ford-2) | Devon Energy Production Co L.P. | Producing | 12,903 |
Formation tops
As filed on W-2/G-1. Subsea from 208 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Vicksburg | 1,238 | -1,030 |
| Yegua | 2,158 | -1,950 |
| Yegua | 2,563 | -2,355 |
| Cook Mountain | 3,098 | -2,890 |
| Sparta | 3,651 | -3,443 |
| Wilcox | 5,058 | -4,850 |
| Wilcox | 5,094 | -4,886 |
| Midway | 9,415 | -9,207 |
| Navarro | 10,395 | -10,187 |
| Pecan Gap | 11,742 | -11,534 |
| Anacacho | 11,750 | -11,542 |
| Austin Chalk | 11,977 | -11,769 |
| Austin Chalk | 11,986 | -11,778 |
| Eagle Ford | 12,491 | -12,283 |
| Eagle Ford | 12,516 | -12,308 |
| Catahoula | — | — |
| EdwardsEDWARDS - H2S | — | — |
| Frio | — | — |
| Vicksburg | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 13,200 | 19,636 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,969 | 12.25 | 1,033 S |
| 5.5 | 12,010 | 8.75 | 2,471 S |
| 5 | 19,775 | 6.75 | 2,471 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 | May 10, 2019 | Apr 1, 2019 | Yes |
| 00 | Dec 6, 2018 | May 10, 2018 | Yes |
| 00 | Jun 15, 2018 | Jan 10, 2018 | 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 42-123-34411 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-123-34411 → 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/12334411, documented in the API reference.