WELL · 42-317-41966 · DISTRICT 8

UL 0312 E18 #09SB

Y

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

UL 0312 E18 #09SB (API 42-317-41966) is a horizontal well in Martin County operated by Diamondback E&P LLC, completed February 8, 2020 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued January 11, 2019, permitted to 9,550 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 268K barrels of oil and 942K 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 CompanyJan 11, 2019

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

9,550
total depth, ft
2
permits on file
Jan 11, 2019
last permit issued
Feb 8, 2020
completed
268K
cumulative oil, bbl
942K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jul 2019 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Feb 8, 2020
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

32.410557, -102.203796

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 E18 O-10-53074Spraberry (Trend Area)Diamondback E&P LLC1268K942KJul 2019 – Jul 2026

Gas, mcf lease total

Last 12 months 145,336 · prior 12 128,872(+13%)

010K20K202420252026

Oil, barrels lease total

Last 12 months 6,393 · prior 12 9,698(-34%)

01K2K202420252026

Chain of custody

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

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

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
847571-98DrillQEP Energy CompanyJan 22, 2019Jan 11, 2019Mar 4, 20199,550
847571-99DrillQEP Energy CompanyDec 6, 2018Jan 11, 2019—9,550

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-53074————

Formation tops

As filed on W-2/G-1. Subsea from 2,935 ft elevation.Download CSV →

FormationMD ftSubsea
Santa Rosa1,4301,505
Santa Rosa1,5051,430
Yates3,010-75
Yates3,070-135
Queen3,963-1,028
Queen4,050-1,115
Grayburg4,493-1,558
Grayburg4,600-1,665
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H4,682-1,747
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H4,845-1,910
Spraberry8,291-5,356
Spraberry8,298-5,363
Cisco——
Dean——
Pennsylvanian——
Wolfcamp——

Perforations

Perforated and open-hole intervals.

FromToType
9,70619,497Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,84017.51,590 S
9.6255,84312.251,330 S
5.519,6098.52,750 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
00Aug 11, 2020May 5, 2020Yes
00Mar 6, 2020Nov 12, 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 E1742-317-41965

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

Santa Rosa1,4201,515
Yates3,011-76
Queen3,965-1,030
Grayburg4,502-1,567
San Andres4,686-1,751
Spraberry8,291-5,356
Wolfcamp—
Pennsylvanian—

10 TOPS · FIRST 8

UL 0312 E1642-317-41964

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

Santa Rosa1,4271,508
Yates3,000-65
Queen3,956-1,021
Grayburg4,491-1,556
San Andres4,676-1,741
Spraberry8,291-5,356
Wolfcamp—
Pennsylvanian—

10 TOPS · FIRST 8

UL 0312 E1542-317-41963

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

Santa Rosa1,4281,507
Yates3,008-73
Queen3,960-1,025
Grayburg4,501-1,566
San Andres4,676-1,741
Spraberry8,303-5,368
Devonian—
Silurian (undifferentiated)—

14 TOPS · FIRST 8

UL 0312 E1242-317-41959

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

Santa Rosa1,4331,502
Yates3,010-75
Queen3,965-1,030
Grayburg4,498-1,563
San Andres4,674-1,739
Spraberry8,291-5,356
Cisco—
Dean—

10 TOPS · FIRST 8

UL 0312 E1142-317-41958

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

Santa Rosa1,4371,498
Yates3,000-65
Queen3,955-1,020
Grayburg4,493-1,558
San Andres4,674-1,739
Spraberry8,291-5,356
Cisco—
Wolfcamp—

10 TOPS · FIRST 8

UL 0312 W142-317-42159

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

Santa Rosa1,4661,466
Yates3,061-129
Queen4,013-1,081
Grayburg4,550-1,618
San Andres4,730-1,798
Spraberry8,328-5,396
Pennsylvanian—
Wolfcamp—

10 TOPS · FIRST 8

UL 0312 W442-317-42157

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
Cisco—
Dean—

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
Wolfcamp—
Dean—

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/31741966, documented in the API reference.