TEXAS · WELLS · ANDREWS COUNTY · UL SITKA 12-37 C LEASE · API 42-003-48731 · DISTRICT 7B
UL Sitka 12-37 C #1WB
Andrews County · Spraberry (Trend Area) field · Producing · Horizontal
UL Sitka 12-37 C #1WB (API 42-003-48731) is a horizontal well in Andrews County operated by Diamondback E&P LLC, completed October 12, 2023 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued January 3, 2023, permitted to 10,098 ft.
Completion filings report 10 formation tops, including Yates, Seven Rivers, Queen, Grayburg.
Its lease has reported 215K barrels of oil and 335K mcf of gas since July 2023, last reporting in July 2026.
Operator of record
- Based in
- Midland, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- May 4, 2026
- Permits on file
- 5,237
- Phone
- (432) 221-7400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Diamondback E&P LLC |
| Production reports | Diamondback E&P LLCthrough Apr 2026 |
| Latest permit | Diamondback E&P LLCJan 3, 2023 |
- 10,098
- total depth, ft
- 2
- permits on file
- Jan 3, 2023
- last permit issued
- Oct 12, 2023
- completed
- 215K
- cumulative oil, bbl
- 335K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2023 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 12, 2023
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
Surface location
32.398169, -102.281994
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 |
|---|---|---|---|---|---|---|
| UL Sitka 12-37 C O-10-60185 | Spraberry (Trend Area) | Diamondback E&P LLC | 1 | 215K | 335K | Jul 2023 – Jul 2026 |
Oil, barrels lease total
Last 12 months 42,102 · prior 12 68,032(-38%)
Gas, mcf lease total
Last 12 months 90,450 · prior 12 140,600(-36%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Diamondback E&P LLCOct 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 886158-98 | Drill | Diamondback E&P LLC | Apr 25, 2023 | Jan 3, 2023 | Aug 18, 2023 | 13,000 |
| 886158-99 | Drill | Diamondback E&P LLC | Dec 2, 2022 | Jan 3, 2023 | Apr 25, 2023 | 13,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Oct 12, 2023 | UL Sitka 12-37 C O-10-60185 | Spraberry (Trend Area) | Diamondback E&P LLC | Producing | 10,098 |
Formation tops
As filed on W-2/G-1. Subsea from 2,995 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 3,164 | -169 |
| Seven Rivers | 3,406 | -411 |
| Queen | 3,792 | -797 |
| Grayburg | 4,281 | -1,286 |
| San AndresSAN ANDRES - CO2 FLOOD, HIGH FLO | 4,962 | -1,967 |
| Glorieta | 5,809 | -2,814 |
| Clear ForkCLEARFORK | 6,911 | -3,916 |
| Holt | — | — |
| Permian (undifferentiated)PERMIAN DETRITAL | — | — |
| Tubb | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,479 | 20,782 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 11.75 | 1,848 | 14.75 | 1,100 S |
| 8.625 | 9,322 | 11 | 1,020 S |
| 5.5 | 20,828 | 7.875 | 1,910 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 | Jul 3, 2024 | Apr 17, 2024 | Yes |
| 00 | Feb 6, 2024 | Nov 16, 2023 | 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 42-003-48731 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-003-48731 → 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 neighbors, subsea-aligned so they line up regardless of surface terrain.
UL Sitka 12-37 B42-003-48730
0.0 KM · Diamondback E&P LLC · Section with this well →
| Yates | 3,160 | -166 |
| Seven Rivers | 3,410 | -416 |
| Queen | 3,831 | -837 |
| Grayburg | 4,268 | -1,274 |
| San Andres | 5,011 | -2,017 |
| Glorieta | 5,770 | -2,776 |
| Clear Fork | 6,962 | -3,968 |
| Holt | — |
10 TOPS · FIRST 8
UL Sitka 12-37 D42-003-48732
0.0 KM · Diamondback E&P LLC · Section with this well →
| Yates | 3,170 | -175 |
| Seven Rivers | 3,415 | -420 |
| Queen | 3,793 | -798 |
| Grayburg | 4,271 | -1,276 |
| San Andres | 4,957 | -1,962 |
| Glorieta | 5,772 | -2,777 |
| Clear Fork | 6,921 | -3,926 |
| Permian (undifferentiated) | — |
10 TOPS · FIRST 8
UL Sitka 12-37 E42-003-48733
0.0 KM · Diamondback E&P LLC · Section with this well →
| Yates | 3,175 | -180 |
| Seven Rivers | 3,403 | -408 |
| Queen | 3,784 | -789 |
| Grayburg | 4,276 | -1,281 |
| San Andres | 4,944 | -1,949 |
| Glorieta | 5,775 | -2,780 |
| Clear Fork | 6,929 | -3,934 |
| Holt | — |
10 TOPS · FIRST 8
UL Sitka 12-37 F42-003-48734
0.0 KM · Diamondback E&P LLC · Section with this well →
| Yates | 3,182 | -187 |
| Seven Rivers | 3,432 | -437 |
| Queen | 3,865 | -870 |
| Grayburg | 4,554 | -1,559 |
| San Andres | 4,991 | -1,996 |
| Glorieta | 5,938 | -2,943 |
| Clear Fork | 6,970 | -3,975 |
| Tubb | — |
10 TOPS · FIRST 8
UL Sitka 12-37 G42-003-48735
0.0 KM · Diamondback E&P LLC · Section with this well →
| Yates | 3,184 | -190 |
| Seven Rivers | 3,426 | -432 |
| Queen | 3,856 | -862 |
| Grayburg | 4,557 | -1,563 |
| San Andres | 4,992 | -1,998 |
| Glorieta | 5,940 | -2,946 |
| Clear Fork | 6,959 | -3,965 |
| Permian (undifferentiated) | — |
10 TOPS · FIRST 8
UL Tawny Unit 8-1242-003-47767
0.7 KM · Diamondback E&P LLC · Section with this well →
| Yates | 3,141 | -150 |
| Seven Rivers | 3,390 | -399 |
| Queen | 3,827 | -836 |
| Grayburg | 4,260 | -1,269 |
| San Andres | 4,777 | -1,786 |
| Holt | 5,626 | -2,635 |
| Glorieta | 5,749 | -2,758 |
| Clear Fork | 6,939 | -3,948 |
10 TOPS · FIRST 8
UL Carniolan 7-49 C42-003-48259
0.7 KM · Diamondback E&P LLC · Section with this well →
| Yates | 3,128 | -140 |
| Seven Rivers | 3,448 | -460 |
| Queen | 4,140 | -1,152 |
| Grayburg | 4,735 | -1,747 |
| San Andres | 4,911 | -1,923 |
| Glorieta | 5,636 | -2,648 |
| Clear Fork | 6,880 | -3,892 |
| Tubb | — |
10 TOPS · FIRST 8
UL Carniolan 7-49 A42-003-48257
0.7 KM · Diamondback E&P LLC · Section with this well →
| Yates | 3,135 | -147 |
| Seven Rivers | 3,451 | -463 |
| Queen | 4,144 | -1,156 |
| Grayburg | 4,741 | -1,753 |
| San Andres | 4,911 | -1,923 |
| Glorieta | 5,638 | -2,650 |
| Clear Fork | 6,883 | -3,895 |
| Holt | — |
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/00348731, documented in the API reference.