WELL · 42-003-47314 · DISTRICT 8

University 6-40 Unit #4005LS

N

Andrews County · Spraberry (Trend Area) R 40 Exc field  · Horizontal

University 6-40 Unit #4005LS (API 42-003-47314) is a horizontal well in Andrews County operated by Ajax Resources LLC, completed March 1, 2016.

The RRC has issued 3 drilling permits between 2015 and 2017, permitted to 10,214 ft.

Completion filings report 12 formation tops, including Clear Fork, Opal Spraberry, Spraberry, Glorieta.

Its 3 leases have reported 4.28M barrels of oil and 3.51M mcf of gas since March 2016, last reporting in July 2026. The leases carry 17 wells, so these are lease totals, not this well alone.

Operator of record

Ajax Resources LLC

Houston, TX · P-5 Y, filed Jul 5, 2019 · 62 permits on file · (432) 463-8809

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleAjax Resources LLC
Production reportsDiamondback E&P LLCthrough Apr 2026
Latest permitAjax Resources, LLCDec 21, 2017

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

10,214
total depth, ft
3
permits on file
Dec 21, 2017
last permit issued
Mar 1, 2016
completed
4.28M
cumulative oil, bbl
3.51M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Mar 2016 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Mar 1, 2016
Shut in
—
Plugged
—

Surface location

32.458092, -102.217266

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 3 leases this well is completed on; they carry 17 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
UL BLK 6 Ddu A O-10-47890Spraberry (Trend Area)Diamondback E&P LLC154.05M3.37MApr 2016 – Jul 2026
University 6-40 Unit O-10-48638Spraberry (Trend Area) R 40 ExcAjax Resources, LLC1239K138KMar 2016 – Aug 2018
University 6-40 Unit O-10-47966Spraberry (Trend Area)Ajax Resources, LLC100Mar 2016 – Oct 2017

Oil, barrels lease total

Last 12 months 187,763 · prior 12 176,274(+7%)

010K20K30K202420252026

Gas, mcf lease total

Last 12 months 228,344 · prior 12 254,921(-10%)

020K40K202420252026

Chain of custody

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

  1. 1Ajax Resources, LLCMar 2016 → Oct 2018
  2. 2Diamondback E&P LLCNov 2018 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
834328-99Field transferAjax Resources, LLCDec 15, 2017Dec 21, 2017Jan 6, 201610,000
820489-99Field transferAjax Resources, LLCNov 17, 2016Dec 2, 2016Jan 6, 201610,214
812907-99DrillAjax Resources, LLCDec 23, 2015Dec 28, 2015Jan 5, 201610,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-47890————
—— O-10-47966————
—— O-10-48638————

Formation tops

As filed on W-2/G-1. Subsea from 2,965 ft elevation.Download CSV →

FormationMD ftSubsea
Clear ForkCLEARFORK6,448-3,483
Opal Spraberry8,200-5,235
SpraberryUPPER SPRABERRY8,333-5,368
SpraberryMIDDLE SPRABERRY8,669-5,704
SpraberryLOWER SPRABERRY9,295-6,330
Glorieta——
Grayburg——
Holt——
Permian (undifferentiated)PERMIAN DETRITAL——
Queen——
San AndresSAN ANDRES - CO2 FLOOD, HIGH FLO——
Seven Rivers——
Tubb——
Yates——

Perforations

Perforated and open-hole intervals.

FromToType
10,21417,357Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,84717.51,585 S
9.6258,54712.125570 S
5.517,5418.52,175 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 31, 2018May 24, 2018Yes
00Jul 5, 2017Apr 20, 2017Yes
00Oct 20, 2016May 5, 2016Yes

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 BLK 6 Ddu A42-003-47993

0.2 KM · Diamondback E&P LLC · Section with this well →

Yates3,022-61
Seven Rivers3,262-301
Queen3,688-727
Grayburg4,094-1,133
San Andres4,533-1,572
Glorieta5,417-2,456
Clear Fork6,461-3,500
Tubb—

10 TOPS · FIRST 8

UL BLK 6 Ddu A42-003-47995

0.2 KM · Diamondback E&P LLC · Section with this well →

Yates3,022-61
Seven Rivers3,263-302
Queen3,688-727
Grayburg4,095-1,134
San Andres4,535-1,574
Glorieta5,417-2,456
Clear Fork6,454-3,493
Holt—

10 TOPS · FIRST 8

UL BLK 6 Ddu A42-003-47996

0.2 KM · Diamondback E&P LLC · Section with this well →

Yates2,500461
Seven Rivers3,257-296
Queen3,688-727
Grayburg4,095-1,134
San Andres4,530-1,569
Glorieta5,427-2,466
Clear Fork6,440-3,479
Permian (undifferentiated)—

10 TOPS · FIRST 8

UL BLK 6 Ddu A42-003-47694

0.4 KM · Ajax Resources, LLC · Section with this well →

Grayburg4,266-1,316
San Andres4,782-1,832
Clear Fork6,641-3,691
Tubb—
Queen—
Permian (undifferentiated)—
Holt—
Glorieta—

10 TOPS · FIRST 8

UL BLK 6 Ddu A42-003-47695

0.4 KM · Ajax Resources, LLC · Section with this well →

Grayburg4,266-1,316
San Andres4,782-1,832
Clear Fork6,448-3,498
Seven Rivers—
Permian (undifferentiated)—
Holt—
Glorieta—
Queen—

10 TOPS · FIRST 8

UL BLK 6 Ddu A42-003-47696

0.4 KM · Ajax Resources, LLC · Section with this well →

Grayburg4,266-1,316
San Andres4,782-1,832
Clear Fork6,455-3,505
Glorieta—
Holt—
Permian (undifferentiated)—
Queen—
Seven Rivers—

10 TOPS · FIRST 8

UL BLK 6 Ddu A42-003-47697

0.4 KM · Ajax Resources, LLC · Section with this well →

Grayburg4,266-1,316
San Andres4,782-1,832
Clear Fork6,450-3,500
Queen—
Yates—
Holt—
Glorieta—
Permian (undifferentiated)—

10 TOPS · FIRST 8

UL Dengar 40-45 A42-003-49021

0.5 KM · Diamondback E&P LLC · Section with this well →

Yates3,056-92
Seven Rivers3,291-327
Queen3,559-595
Grayburg4,131-1,167
San Andres4,573-1,609
Glorieta5,555-2,591
Clear Fork6,503-3,539
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/00347314, documented in the API reference.