WELL · 42-227-39340 · DISTRICT 8

Lilly 49 Unit #1LS

Y

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

Lilly 49 Unit #1LS (API 42-227-39340) is a horizontal well in Howard County operated by Diamondback E&P LLC, completed September 15, 2020 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended twice), issued November 2, 2017, permitted to 8,850 ft.

Completion filings report 12 formation tops, including Yates, Seven Rivers, San Andres, Glorieta.

Its lease has reported 2.75M barrels of oil and 9.92M mcf of gas since September 2018, last reporting in July 2026. The lease carries 9 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 LLCNov 2, 2017
8,850
total depth, ft
3
permits on file
Nov 2, 2017
last permit issued
Sep 15, 2020
completed
2.75M
cumulative oil, bbl
9.92M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Sep 2018 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Sep 15, 2020
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active – Extension (X)

Surface location

32.379849, -101.670988

Google Maps ↗

Permit surface location from the RRC GIS record, in Howard 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; they carry 9 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Lilly 49 Unit O-10-52152Spraberry (Trend Area)Diamondback E&P LLC92.75M9.92MSep 2018 – Jul 2026

Gas, mcf lease total

Last 12 months 1,398,572 · prior 12 1,258,662(+11%)

050K100K150K202420252026

Oil, barrels lease total

Last 12 months 118,457 · prior 12 141,338(-16%)

05K10K15K202420252026

Chain of custody

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

  1. 1Diamondback E&P LLCSep 2018 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
832208-97DrillDiamondback E&P LLCOct 24, 2019Nov 2, 2017—8,850
832208-98DrillDiamondback E&P LLCDec 19, 2017Nov 2, 2017—8,850
832208-99DrillDiamondback E&P LLCOct 20, 2017Nov 2, 2017Feb 16, 20188,850

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-52152————

Formation tops

As filed on W-2/G-1. Subsea from 2,571 ft elevation.Download CSV →

FormationMD ftSubsea
Yates1,950621
Seven Rivers2,066505
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO3,749-1,178
Glorieta4,678-2,107
Clear ForkCLEARFORK - SEVERE WATER FLOWS4,907-2,336
Spraberry6,642-4,071
Leonard7,555-4,984
Coleman Junction——
Dean——
Rustler——
Santa Rosa——
Wolfcamp——

Perforations

Perforated and open-hole intervals.

FromToType
8,22818,531Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,24017.5810 S
9.6257,22812.251,045 S
5.518,6458.53,065 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
00Nov 12, 2020Nov 5, 2020Yes
00Jul 23, 2020Feb 13, 2020Yes

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). 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.

Open the cross-section →

Lilly 49 Unit42-227-39341

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

Yates1,950620
Seven Rivers2,067503
San Andres3,751-1,181
Glorieta4,681-2,111
Clear Fork4,914-2,344
Spraberry6,640-4,070
Leonard7,560-4,990
Dean7,915-5,345

10 TOPS · FIRST 8

Lilly 49 Unit42-227-39342

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

Yates1,954616
Seven Rivers2,072498
San Andres3,752-1,182
Glorieta4,678-2,108
Clear Fork4,907-2,337
Spraberry6,641-4,071
Leonard7,554-4,984
Dean7,909-5,339

10 TOPS · FIRST 8

Lilly 49 Unit42-227-39339

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

Yates1,952560
Seven Rivers2,067445
San Andres3,754-1,242
Glorieta4,683-2,171
Clear Fork4,911-2,399
Spraberry6,645-4,133
Leonard7,569-5,057
Dean7,918-5,406

10 TOPS · FIRST 8

Lilly 49 Unit42-227-39457

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

Spraberry6,644-4,073
Leonard7,570-4,999
Strawn—
Wolfcamp—
Atoka—
Canyon—
Cisco—
Dean—

10 TOPS · FIRST 8

Nichols East Unit42-227-39800

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

Yates1,951615
Seven Rivers2,071495
San Andres3,750-1,184
Glorieta4,232-1,666
Clear Fork4,895-2,329
Spraberry6,641-4,075
Leonard—
Dean—

11 TOPS · FIRST 8

Nichols East Unit42-227-39801

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

Yates1,956611
Seven Rivers2,068499
San Andres3,750-1,183
Glorieta4,245-1,678
Clear Fork4,897-2,330
Spraberry6,662-4,095
Dean7,902-5,335
Wolfcamp8,007-5,440

10 TOPS · FIRST 8

Nichols East Unit42-227-40226

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

Yates1,952615
Seven Rivers2,069498
San Andres3,753-1,186
Glorieta4,242-1,675
Clear Fork4,884-2,317
Spraberry6,646-4,079
Dean7,905-5,338
Wolfcamp8,017-5,450

10 TOPS · FIRST 8

Nichols East Unit42-227-40752

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

Santa Rosa8331,735
Rustler9731,595
Yates1,954614
Seven Rivers2,065503
San Andres3,754-1,186
Glorieta4,375-1,807
Clear Fork4,898-2,330
Spraberry6,634-4,066

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/22739340, documented in the API reference.