TEXAS · WELLS · ANDREWS COUNTY · UL DIGGER LEASE · API 42-003-45403 · DISTRICT 7B

UL Digger #601H

Y

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

UL Digger #601H (API 42-003-45403) is a horizontal well in Andrews County operated by Diamondback E&P LLC, completed August 26, 2013 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued May 29, 2013, permitted to 7,722 ft.

Completion filings report 3 formation tops, including Rustler, Glorieta, Clear Fork.

Its lease has reported 647K barrels of oil and 983K mcf of gas since December 2009, last reporting in July 2026. The lease carries 13 wells, so these are lease totals, not this well alone.

Operator of record

Diamondback E&P LLC

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 scheduleDiamondback E&P LLC
Production reportsDiamondback E&P LLCthrough Apr 2026
Latest permitDiamondback E&P LLCMay 29, 2013
7,722
total depth, ft
1
permits on file
May 29, 2013
last permit issued
Aug 26, 2013
completed
647K
cumulative oil, bbl
983K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2009 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Aug 26, 2013
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active (A)

Surface location

No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.

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; they carry 13 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
UL Digger O-10-39952Spraberry (Trend Area)Diamondback E&P LLC13647K983KDec 2009 – Jul 2026

Oil, barrels lease total

Last 12 months 21,327 · prior 12 24,704(-14%)

01K2K3K202420252026

Gas, mcf lease total

Last 12 months 19,581 · prior 12 47,849(-59%)

05K10K202420252026

Chain of custody

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

  1. 1Windsor Energy Group, L.L.C.Feb 2010 → Feb 2010
  2. 2Windsor Permian LLCMar 2010 → Jun 2012
  3. 3Diamondback E&P LLCJul 2012 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
763308-99DrillDiamondback E&P LLCMay 23, 2013May 29, 2013Jun 24, 20139,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Aug 26, 2013UL Digger O-10-39952Spraberry (Trend Area)Diamondback E&P LLCProducing7,722

Formation tops

As filed on W-2/G-1. Subsea from 3,062 ft elevation.Download CSV →

FormationMD ftSubsea
Rustler2,0551,007
Glorieta5,634-2,572
Clear ForkCLEARFORK7,218-4,156

Perforations

Perforated and open-hole intervals.

FromToType
7,97015,511Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,76017.5450 S
9.6256,95512.251,455 S
5.515,6498.52,405 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
00Mar 27, 2014Oct 29, 2013Yes

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.

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/00345403, documented in the API reference.