WELL · 42-317-42162 · DISTRICT 8

UL 0312 W12 #14WA

Y

Martin County · Spraberry (Trend Area) field · Producing  · Horizontal

UL 0312 W12 #14WA (API 42-317-42162) is a horizontal well in Martin County operated by Diamondback E&P LLC, completed March 2, 2020 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued March 28, 2019, permitted to 9,950 ft.

It was permitted by Qep Energy Company and has since transferred to Diamondback E&P LLC on the wellbore schedule.

Completion filings report 10 formation tops, including Santa Rosa, Yates, Queen, Grayburg.

Its lease has reported 410K barrels of oil and 513K mcf of gas since July 2019, last reporting in July 2026.

Operator of record

Diamondback E&P LLC

Permitted by QEP Energy Company; the EWA schedule now lists a different operator.

Midland, TX · P-5 Y, filed Mar 4, 2026 · 5,237 permits on file · (855) 247-5920

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleDiamondback E&P LLC
Production reportsDiamondback E&P LLCthrough Apr 2026
Latest permitQEP Energy CompanyMar 28, 2019

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

9,950
total depth, ft
1
permits on file
Mar 28, 2019
last permit issued
Mar 2, 2020
completed
410K
cumulative oil, bbl
513K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jul 2019 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Mar 2, 2020
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

32.408677, -102.210319

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Martin 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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
UL 0312 W12 O-10-53097Spraberry (Trend Area)Diamondback E&P LLC1410K513KJul 2019 – Jul 2026

Oil, barrels lease total

Last 12 months 14,090 · prior 12 19,589(-28%)

01K2K3K202420252026

Gas, mcf lease total

Last 12 months 75,477 · prior 12 48,951(+54%)

05K10K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1QEP Energy CompanyMar 2020 → Sep 2021
  2. 2Diamondback E&P LLCOct 2021 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
850449-99DrillQEP Energy CompanyFeb 26, 2019Mar 28, 2019Jun 16, 20199,950

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-53097————

Formation tops

As filed on W-2/G-1. Subsea from 2,941 ft elevation.Download CSV →

FormationMD ftSubsea
Santa Rosa1,4901,451
Santa Rosa1,5051,436
Yates3,067-126
Yates3,070-129
Queen4,032-1,091
Queen4,050-1,109
Grayburg4,582-1,641
Grayburg4,600-1,659
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H4,761-1,820
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H4,845-1,904
Spraberry8,342-5,401
Spraberry8,347-5,406
Dean9,585-6,644
Dean9,622-6,681
Wolfcamp9,752-6,811
Wolfcamp9,914-6,973
Cisco——
Pennsylvanian——

Perforations

Perforated and open-hole intervals.

FromToType
10,01519,847Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,83717.51,590 S
9.6255,80412.251,330 S
5.520,0608.52,850 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Jul 16, 2020May 18, 2020—
00Mar 10, 2020Nov 19, 2019Yes

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.

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.

Open the cross-section →

UL 0312 W1142-317-42163

0.0 KM · QEP Energy Company · Section with this well →

Santa Rosa1,4781,462
Yates3,068-128
Queen4,020-1,080
Grayburg4,582-1,642
San Andres4,747-1,807
Spraberry8,336-5,396
Pennsylvanian—
Wolfcamp—

10 TOPS · FIRST 8

UL 0312 W1342-317-42161

0.0 KM · QEP Energy Company · Section with this well →

Santa Rosa1,4801,461
Yates3,070-129
Queen4,032-1,091
Grayburg4,587-1,646
San Andres4,768-1,827
Spraberry8,338-5,397
Wolfcamp—
Pennsylvanian—

10 TOPS · FIRST 8

UL 0312 W1442-317-42160

0.0 KM · QEP Energy Company · Section with this well →

Santa Rosa1,4671,474
Yates3,070-129
Queen4,032-1,091
Grayburg4,580-1,639
San Andres4,768-1,827
Spraberry8,341-5,400
Dean—
Wolfcamp—

10 TOPS · FIRST 8

UL 0312 W1542-317-42158

0.0 KM · QEP Energy Company · Section with this well →

Santa Rosa1,4521,489
Yates3,057-116
Queen4,037-1,096
Grayburg4,573-1,632
San Andres4,757-1,816
Spraberry8,341-5,400
Cisco—
Dean—

10 TOPS · FIRST 8

UL 0312 W1042-317-42154

0.3 KM · QEP Energy Company · Section with this well →

Santa Rosa1,4761,456
Yates3,059-127
Queen4,020-1,088
Grayburg4,568-1,636
San Andres4,741-1,809
Spraberry8,315-5,383
Dean—
Cisco—

10 TOPS · FIRST 8

UL 0312 W742-317-42155

0.3 KM · QEP Energy Company · Section with this well →

Santa Rosa1,4531,479
Yates3,041-109
Queen3,992-1,060
Grayburg4,546-1,614
San Andres4,715-1,783
Spraberry8,326-5,394
Cisco—
Pennsylvanian—

10 TOPS · FIRST 8

UL 0312 W642-317-42156

0.3 KM · QEP Energy Company · Section with this well →

Santa Rosa1,4591,473
Yates3,056-124
Queen4,008-1,076
Grayburg4,555-1,623
San Andres4,711-1,779
Spraberry8,328-5,396
Cisco—
Wolfcamp—

10 TOPS · FIRST 8

UL 0312 W442-317-42157

0.4 KM · QEP Energy Company · Section with this well →

Santa Rosa1,4761,456
Yates3,059-127
Queen4,020-1,088
Grayburg4,568-1,636
San Andres4,741-1,809
Spraberry8,315-5,383
Cisco—
Pennsylvanian—

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/31742162, documented in the API reference.