WELL · 42-003-47800 · DISTRICT 8
Undine #1H
Andrews County · Shafter Lake (San Andres) field · Producing · Horizontal
Undine #1H (API 42-003-47800) is a horizontal well in Andrews County operated by Ring Energy Inc., completed November 13, 2018 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued April 20, 2018, permitted to 5,100 ft.
Completion filings report 10 formation tops, including Yates, Seven Rivers, Queen, Grayburg.
Its lease has reported 164K barrels of oil and 29.5K mcf of gas since November 2018, last reporting in July 2026.
Operator of record
Midland, TX · P-5 Y, filed Nov 4, 2025 · 997 permits on file · (855) 214-5188
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Ring Energy Inc. |
| Production reports | Ring Energy, Inc.through Apr 2026 |
| Latest permit | Ring Energy, Inc.Apr 20, 2018 |
- 5,100
- total depth, ft
- 2
- permits on file
- Apr 20, 2018
- last permit issued
- Nov 13, 2018
- completed
- 164K
- cumulative oil, bbl
- 29.5K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 2018 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 13, 2018
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
32.410448, -102.694657
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Andrews 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 |
|---|---|---|---|---|---|---|
| Undine O-10-51933 | Shafter Lake (San Andres) | Ring Energy, Inc. | 1 | 164K | 29.5K | Nov 2018 – Jul 2026 |
Oil, barrels lease total
Last 12 months 13,585 · prior 12 15,629(-13%)
Gas, mcf lease total
Last 12 months 10,479 · prior 12 12,653(-17%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Ring Energy, Inc.Nov 2018 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 838778-98 | Drill | Ring Energy, Inc. | Jun 28, 2019 | Apr 20, 2018 | Oct 16, 2018 | 5,100 |
| 838778-99 | Drill | Ring Energy, Inc. | Apr 11, 2018 | Apr 20, 2018 | Oct 16, 2018 | 5,100 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-51933 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,210 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,938 | 272 |
| Seven Rivers | 3,074 | 136 |
| Queen | 3,811 | -601 |
| Grayburg | 4,265 | -1,055 |
| San AndresSAN ANDRES - CO2 FLOOD, HIGH FLO | 4,546 | -1,336 |
| Clear ForkCLEARFORK | — | — |
| Glorieta | — | — |
| Holt | — | — |
| Permian (undifferentiated)PERMIAN DETRITAL | — | — |
| Tubb | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,873 | 8,383 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,743 | 12.25 | 700 S |
| 5.5 | 8,530 | 8.75 | 1,775 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 | Aug 15, 2019 | May 7, 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 42-003-47800 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-003-47800 → 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.
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.
University 15E42-003-48070
1.0 KM · Ring Energy, Inc. · Section with this well →
| Yates | 2,966 | 256 |
| Seven Rivers | 3,101 | 121 |
| Queen | 3,832 | -610 |
| Grayburg | 4,295 | -1,073 |
| San Andres | 4,576 | -1,354 |
| Tubb | — | |
| Clear Fork | — | |
| Glorieta | — |
10 TOPS · FIRST 8
University 2642-003-48046
1.0 KM · Ring Energy, Inc. · Section with this well →
| Yates | 2,907 | 273 |
| Seven Rivers | 3,099 | 81 |
| Queen | 3,777 | -597 |
| Grayburg | 4,222 | -1,042 |
| San Andres | 4,512 | -1,332 |
| Clear Fork | — | |
| Permian (undifferentiated) | — | |
| Tubb | — |
10 TOPS · FIRST 8
University 1442-003-47816
1.1 KM · Ring Energy, Inc. · Section with this well →
| Yates | 2,929 | 265 |
| Seven Rivers | 3,064 | 130 |
| Queen | 3,818 | -624 |
| Grayburg | 4,239 | -1,045 |
| San Andres | 4,592 | -1,398 |
| Tubb | — | |
| Clear Fork | — | |
| Glorieta | — |
10 TOPS · FIRST 8
University 14R42-003-46449
1.2 KM · Ring Energy, Inc. · Section with this well →
| Yates | 3,010 | 237 |
| Seven Rivers | 3,144 | 103 |
| Queen | 3,888 | -641 |
| Grayburg | 4,300 | -1,053 |
| San Andres | 4,648 | -1,401 |
| Glorieta | — | |
| Permian (undifferentiated) | — | |
| Holt | — |
10 TOPS · FIRST 8
University 14R42-003-46348
1.2 KM · Ring Energy, Inc. · Section with this well →
| Yates | 2,594 | 617 |
| Seven Rivers | 3,086 | 125 |
| Queen | 3,829 | -618 |
| Grayburg | 4,246 | -1,035 |
| San Andres | 4,604 | -1,393 |
| Spraberry | — | |
| Dean | — | |
| Glorieta | — |
15 TOPS · FIRST 8
University 14S42-003-48043
1.4 KM · Ring Energy, Inc. · Section with this well →
| Yates | 3,028 | 222 |
| Seven Rivers | 3,213 | 37 |
| Queen | 3,918 | -668 |
| Grayburg | 4,323 | -1,073 |
| San Andres | 4,657 | -1,407 |
| Clear Fork | — | |
| Tubb | — | |
| Permian (undifferentiated) | — |
10 TOPS · FIRST 8
UL 14 Conway42-003-47811
1.5 KM · Lime Rock Resources IV-a, L.P. · Section with this well →
| Yates | 3,000 | 232 |
| Seven Rivers | 3,240 | -8 |
| Queen | 3,855 | -623 |
| Grayburg | 4,277 | -1,045 |
| San Andres | 4,563 | -1,331 |
| Clear Fork | — | |
| Tubb | — | |
| Permian (undifferentiated) | — |
10 TOPS · FIRST 8
University 14S42-003-48047
1.6 KM · Ring Energy, Inc. · Section with this well →
| Yates | 3,033 | 221 |
| Seven Rivers | 3,168 | 86 |
| Queen | 3,913 | -659 |
| Grayburg | 4,308 | -1,054 |
| San Andres | 4,591 | -1,337 |
| Glorieta | — | |
| Holt | — | |
| Permian (undifferentiated) | — |
10 TOPS · FIRST 8
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/00347800, documented in the API reference.