WELL · 42-003-41770 · DISTRICT 8
UL Digger SWD #311WD
Andrews County · Spraberry (Trend Area) field · Vertical
UL Digger Swd #311WD (API 42-003-41770) is a well in Andrews County operated by Rattler Midstream Operating LLC, completed May 26, 2014.
The RRC has issued 3 drilling permits between 2010 and 2021, permitted to 10,950 ft.
Completion filings report 4 formation tops, including Clear Fork, Spraberry, Wolfcamp, Strawn.
Its 4 leases have reported 666K barrels of oil and 1.01M mcf of gas since December 2009, last reporting in July 2026. The leases carry 18 wells, so these are lease totals, not this well alone.
It holds an active disposal or injection permit, with 28.2K barrels injected in the 12 months reported through February 2026; TexNet located 0 M2+ earthquakes within 10 km over the last two years.
Operator of record
Rattler Midstream Operating LLC
Midland, TX · P-5 Y, filed Aug 4, 2025 · 14 permits on file · (855) 247-5920
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Rattler Midstream Operating LLC |
| Production reports | Diamondback E&P LLCthrough Apr 2026 |
| Latest permit | Rattler Midstream Operating LLCNov 15, 2021 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,950
- total depth, ft
- 3
- permits on file
- Nov 15, 2021
- last permit issued
- May 26, 2014
- completed
- 666K
- cumulative oil, bbl
- 1.01M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2009 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 26, 2014
- Shut in
- —
- Plugged
- —
Surface location
32.254455, -102.441809
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 4 leases this well is completed on; they carry 18 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| UL Digger O-10-39952 | Spraberry (Trend Area) | Diamondback E&P LLC | 13 | 647K | 983K | Dec 2009 – Jul 2026 |
| UL Digger O-10-56395 | Block 2 (Grayburg) | Rattler Midstream Operating LLC | 1 | 0 | 0 | Nov 2021 – Jul 2026 |
| UL Digger SWD O-10-55887 | Spraberry (Trend Area) | Rattler Midstream Operating LLC | 1 | 0 | 0 | Jul 2021 – Dec 2021 |
| UL 3 O-10-40818 | Spraberry (Trend Area) | Diamondback E&P LLC | 3 | 19.2K | 28.4K | Nov 2010 – Sep 2013 |
Oil, barrels lease total
Last 12 months 21,327 · prior 12 24,704(-14%)
Gas, mcf lease total
Last 12 months 19,581 · prior 12 47,849(-59%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Windsor Energy Group, L.L.C.Feb 2010 → Feb 2010
- 2Windsor Permian LLCMar 2010 → Jun 2012
- 3Diamondback E&P LLCJul 2012 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 874422-99 | Recompletion | Rattler Midstream Operating LLC | Nov 10, 2021 | Nov 15, 2021 | Aug 11, 2010 | 10,288 |
| 723566-99 | Recompletion | Windsor Permian LLC | Sep 1, 2011 | Sep 7, 2011 | Aug 12, 2010 | 10,288 |
| 697605-99 | Drill | Windsor Permian LLC | Jun 15, 2010 | Jun 15, 2010 | Aug 11, 2010 | 10,950 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-39952 | — | — | — | — |
| — | — O-10-39952 | — | — | — | — |
| — | — O-10-40818 | — | — | — | — |
| — | — O-10-55887 | — | — | — | — |
| — | — O-10-56395 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,079 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Clear ForkCLEARFORK | 7,062 | -3,983 |
| Clear ForkCLEARFORK | 7,265 | -4,186 |
| SpraberryUPPER SPRABERRY | 8,030 | -4,951 |
| Spraberry | 8,050 | -4,971 |
| Wolfcamp | 8,697 | -5,618 |
| Strawn | 10,470 | -7,391 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,080 | 5,500 | Perforated |
| 8,380 | 8,935 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,720 | 17.5 | 1,050 S |
| 8.625 | 5,235 | 11 | 1,400 S |
| 5.5 | 9,084 | 7.875 | 755 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 6, 2021 | Nov 16, 2021 | — |
| 00 | Sep 13, 2021 | Jul 15, 2014 | Yes |
| 00 | Jan 21, 2015 | Jul 15, 2014 | Yes |
| 00 | Aug 12, 2013 | Dec 14, 2010 | Yes |
| 00 | Sep 27, 2011 | Dec 14, 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 42-003-41770 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-003-41770 → 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.
McCollum, F. T. & Wiebusch, G.W.42-003-00950
3.6 KM · Zarvona Energy LLC · Section with this well →
| Grayburg | 4,600 | -4,350 |
| San Andres | 4,797 | -4,547 |
| Glorieta | 5,586 | -5,336 |
| Clear Fork | 6,950 | -6,700 |
| Clear Fork | 7,245 | -6,995 |
| Clear Fork | 7,245 | -6,995 |
| Dean | 8,444 | -8,194 |
| Wolfcamp | 8,569 | -8,319 |
University 1-3 D42-003-47876
4.4 KM · Zarvona Energy LLC · Section with this well →
| Yates | 3,126 | 0 |
| Seven Rivers | 3,381 | -255 |
| Grayburg | 4,615 | -1,489 |
| San Andres | 4,951 | -1,825 |
| Glorieta | 5,562 | -2,436 |
| Clear Fork | 6,890 | -3,764 |
| Queen | — | |
| Permian (undifferentiated) | — |
10 TOPS · FIRST 8
University 1-3 C42-003-47875
4.4 KM · Zarvona Energy LLC · Section with this well →
| Yates | 3,026 | 101 |
| Seven Rivers | 3,301 | -174 |
| Grayburg | 4,611 | -1,484 |
| San Andres | 4,947 | -1,820 |
| Glorieta | 5,550 | -2,423 |
| Clear Fork | 6,724 | -3,597 |
| Mississippian | 10,513 | -7,386 |
| Permian (undifferentiated) | — |
11 TOPS · FIRST 8
University 1-3 B42-003-47874
5.1 KM · Zarvona Energy LLC · Section with this well →
| Yates | 3,126 | 2 |
| Seven Rivers | 3,360 | -232 |
| Queen | 4,552 | -1,424 |
| Clear Fork | 4,615 | -1,487 |
| Grayburg | 4,615 | -1,487 |
| San Andres | 4,908 | -1,780 |
| Glorieta | 5,484 | -2,356 |
| Tubb | 6,891 | -3,763 |
10 TOPS · FIRST 8
UL G 1-15 S42-003-47936
5.1 KM · Elevation Resources LLC · Section with this well →
| Yates | 3,125 | -21 |
| San Andres | 4,691 | -1,587 |
| Glorieta | 5,675 | -2,571 |
| Clear Fork | 6,830 | -3,726 |
| Queen | — | |
| Holt | — | |
| Grayburg | — | |
| Permian (undifferentiated) | — |
10 TOPS · FIRST 8
UL G 1-15 S42-003-47935
5.1 KM · Elevation Resources LLC · Section with this well →
| Yates | 3,129 | -25 |
| San Andres | 4,602 | -1,498 |
| Glorieta | 5,672 | -2,568 |
| Clear Fork | 6,854 | -3,750 |
| Tubb | — | |
| Seven Rivers | — | |
| Holt | — | |
| Grayburg | — |
10 TOPS · FIRST 8
University 1-3 A42-003-47873
5.1 KM · Zarvona Energy LLC · Section with this well →
| Yates | 3,126 | 2 |
| Seven Rivers | 3,374 | -246 |
| Grayburg | 4,611 | -1,483 |
| San Andres | 4,947 | -1,819 |
| Glorieta | 5,550 | -2,422 |
| Clear Fork | 6,890 | -3,762 |
| Leon | 7,059 | -3,931 |
| Wichita-Albany | 7,420 | -4,292 |
14 TOPS · FIRST 8
UL G 1-1542-003-47804
5.3 KM · Elevation Resources LLC · Section with this well →
| Yates | 3,029 | 104 |
| San Andres | 4,502 | -1,369 |
| Glorieta | 5,572 | -2,439 |
| Clear Fork | 6,793 | -3,660 |
| Seven Rivers | — | |
| Queen | — | |
| Tubb | — | |
| Holt | — |
10 TOPS · FIRST 8
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 28.2K
- bbl, last 12 reported months
- 964K
- bbl, all reported
- Feb 2026
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000108130 | H-1 Injection | Active | 20,000 | 2,500 | 5,000–5,500 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 28,220 · prior 12 59,629(-53%)
TexNet catalog via USGS
Seismicity near this well
- 0
- M2+ events within 10 km, last 2 years
- —
- largest
A proximity count, not an attribution. How to read 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/00341770, documented in the API reference.