WELL · 42-329-44700 · DISTRICT 8

Peggy 11 #303

Y

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

Peggy 11 #303 (API 42-329-44700) is a horizontal well in Midland County operated by Diamondback E&P LLC, completed December 18, 2021 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued March 19, 2021, permitted to 10,743 ft.

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

Completion filings report 10 formation tops, including Santa Rosa, Rustler, Yates, Seven Rivers.

Its lease has reported 283K barrels of oil and 460K mcf of gas since June 2021, last reporting in July 2026.

Operator of record

Diamondback E&P LLC

Permitted by Lario Oil & Gas 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 permitLario Oil & Gas CompanyMar 19, 2021

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

10,743
total depth, ft
1
permits on file
Mar 19, 2021
last permit issued
Dec 18, 2021
completed
283K
cumulative oil, bbl
460K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 2021 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 18, 2021
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

31.893358, -101.882362

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Midland 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
Peggy 11 O-10-56223Spraberry (Trend Area)Diamondback E&P LLC1283K460KJun 2021 – Jul 2026

Oil, barrels lease total

Last 12 months 19,642 · prior 12 28,446(-31%)

05K10K202420252026

Gas, mcf lease total

Last 12 months 38,264 · prior 12 78,923(-52%)

05K10K15K202420252026

Chain of custody

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

  1. 1Lario Oil & Gas CompanyDec 2021 → Feb 2023
  2. 2Diamondback E&P LLCMar 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
867768-99DrillLario Oil & Gas CompanyFeb 15, 2021Mar 19, 2021Mar 29, 202110,743

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-56223————

Formation tops

As filed on W-2/G-1. Subsea from 2,620 ft elevation.Download CSV →

FormationMD ftSubsea
Santa Rosa9141,706
Rustler1,4781,142
Yates2,435185
Seven Rivers2,664-44
Queen3,568-948
Grayburg3,752-1,132
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO4,201-1,581
Glorieta5,454-2,834
Clear ForkCLEARFORK6,336-3,716
Spraberry7,182-4,562

Perforations

Perforated and open-hole intervals.

FromToType
9,07519,061Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,53617.5945 S
9.6258,25212.25705 S
5.519,1658.52,420 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
00Apr 25, 2022Mar 21, 2022Yes
00Oct 20, 2021Oct 7, 2021—

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 neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Peggy 942-329-44698

0.0 KM · Lario Oil & Gas Company · Section with this well →

Santa Rosa887-625
Rustler1,478-1,216
Yates2,444-2,182
Seven Rivers2,674-2,412
Queen3,572-3,310
Grayburg3,757-3,495
San Andres4,200-3,938
Glorieta5,462-5,200

10 TOPS · FIRST 8

Peggy 1042-329-44699

0.0 KM · Lario Oil & Gas Company · Section with this well →

Santa Rosa8871,733
Rustler1,4781,142
Yates2,449171
Seven Rivers2,679-59
Queen3,586-966
Grayburg3,765-1,145
San Andres4,242-1,622
Glorieta5,471-2,851

10 TOPS · FIRST 8

Peggy 1342-329-45350

0.3 KM · Lario Oil & Gas Company · Section with this well →

Santa Rosa8941,726
Yates2,420200
Queen3,436-816
Grayburg3,914-1,294
San Andres4,196-1,576
San Andres4,196-1,576
Spraberry7,179-4,559
Dean8,536-5,916

13 TOPS · FIRST 8

Peggy 1342-329-45349

0.3 KM · Lario Oil & Gas Company · Section with this well →

Santa Rosa8961,724
Rustler1,4841,136
Yates2,410210
Seven Rivers2,625-5
Queen3,420-800
Grayburg3,917-1,297
San Andres4,187-1,567
Glorieta5,440-2,820

10 TOPS · FIRST 8

Peggy 1242-329-45358

0.3 KM · Lario Oil & Gas Company · Section with this well →

Santa Rosa9011,718
Rustler1,4861,133
Yates2,418201
Seven Rivers2,629-10
Queen3,422-803
Grayburg3,915-1,296
San Andres4,185-1,566
Glorieta5,442-2,823

10 TOPS · FIRST 8

Peggy 1242-329-45357

0.3 KM · Lario Oil & Gas Company · Section with this well →

Santa Rosa8981,722
Rustler1,4921,128
Yates2,415205
Seven Rivers2,631-11
Queen3,376-756
Grayburg3,904-1,284
San Andres4,191-1,571
Glorieta5,445-2,825

10 TOPS · FIRST 8

Peggy 1342-329-45543

0.3 KM · Lario Oil & Gas Company · Section with this well →

Santa Rosa8851,735
Rustler1,4961,124
Yates2,408212
Seven Rivers2,625-5
Queen3,420-800
Grayburg3,913-1,293
San Andres4,185-1,565
Glorieta5,440-2,820

10 TOPS · FIRST 8

Peggy 1442-329-45542

0.3 KM · Lario Oil & Gas Company · Section with this well →

Santa Rosa8971,723
Rustler1,4921,128
Yates2,423197
Seven Rivers2,627-7
Queen3,434-814
Grayburg3,434-814
San Andres4,188-1,568
Glorieta5,442-2,822

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

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