WELL · 42-317-44558 · DISTRICT 8

Rio 27-15 E #5WA

Y

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

Rio 27-15 E #5WA (API 42-317-44558) is a horizontal well in Martin County operated by Diamondback E&P LLC, completed December 4, 2024 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued September 7, 2022, permitted to 8,886 ft.

Completion filings report 10 formation tops, including Grayburg, Yates, Queen, San Andres.

Its lease has reported 333K barrels of oil and 675K mcf of gas since June 2024, last reporting in July 2026.

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 LLCSep 7, 2022
8,886
total depth, ft
2
permits on file
Sep 7, 2022
last permit issued
Dec 4, 2024
completed
333K
cumulative oil, bbl
675K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 2024 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 4, 2024
Shut in
—
Plugged
—

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

Surface location

32.214262, -101.837971

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
Rio 27-15 E O-10-61885Spraberry (Trend Area)Diamondback E&P LLC1333K675KJun 2024 – Jul 2026

Oil, barrels lease total

Last 12 months 147,230 · prior 12 186,146(-21%)

020K40K60K202420252026

Gas, mcf lease total

Last 12 months 434,158 · prior 12 240,522(+81%)

050K100K202420252026

Chain of custody

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

  1. 1Diamondback E&P LLCDec 2024 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
882326-98DrillDiamondback E&P LLCJan 5, 2024Sep 7, 2022Sep 10, 202410,250
882326-99DrillDiamondback E&P LLCJul 21, 2022Sep 7, 2022Mar 5, 202410,250

Completions

CompletedLeaseFieldOperatorStatusDepth
Dec 4, 2024Rio 27-15 E O-10-61885Spraberry (Trend Area)Diamondback E&P LLCProducing8,886

Formation tops

As filed on W-2/G-1. Subsea from 2,776 ft elevation.Download CSV →

FormationMD ftSubsea
Grayburg3422,434
Yates2,416360
Queen3,270-494
Grayburg3,402-626
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H3,882-1,106
Clear ForkCLEARFORK6,027-3,251
Spraberry7,229-4,453
Dean8,566-5,790
Wolfcamp8,758-5,982
Cisco——
Santa Rosa——

Perforations

Perforated and open-hole intervals.

FromToType
9,16422,164Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
11.751,97714.751,530 S
8.6258,130111,150 S
5.522,2007.8752,385 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 2, 2025Mar 11, 2025Yes
00Nov 20, 2024Sep 11, 2024Yes

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

Open the cross-section →

Rio 27-15 G42-317-44560

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

Yates2,415361
Queen3,245-469
Grayburg3,394-618
San Andres3,871-1,095
Clear Fork6,005-3,229
Spraberry7,209-4,433
Pennsylvanian—
Santa Rosa—

11 TOPS · FIRST 8

Rio 27-15 L42-317-44564

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

Yates2,411366
Queen3,259-482
Grayburg3,389-612
San Andres3,872-1,095
Clear Fork6,011-3,234
Spraberry7,203-4,426
Dean8,558-5,781
Wolfcamp8,740-5,963

11 TOPS · FIRST 8

Rio 27-15 I42-317-44562

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

Yates2,406370
Queen3,255-479
Grayburg3,389-613
San Andres3,870-1,094
Clear Fork6,013-3,237
Spraberry7,209-4,433
Dean—
Santa Rosa—

10 TOPS · FIRST 8

Rio 27-15 A42-317-44555

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

Yates2,412365
Queen3,261-484
Grayburg3,396-619
San Andres3,866-1,089
Clear Fork6,014-3,237
Spraberry7,200-4,423
Wolfcamp—
Cisco—

11 TOPS · FIRST 8

Rio 27-15 J42-317-44563

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

Yates2,420357
Queen3,272-495
Grayburg3,401-624
San Andres3,885-1,108
Clear Fork6,031-3,254
Spraberry7,227-4,450
Dean8,554-5,777
Wolfcamp8,746-5,969

10 TOPS · FIRST 8

Rio 27-10 N42-317-45858

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

Grayburg3,415-629
San Andres4,017-1,231
Clear Fork6,052-3,266
Spraberry7,253-4,467
Dean8,583-5,797
Wolfcamp8,787-6,001
Yates—
Cisco—

10 TOPS · FIRST 8

Rio 27-10 N42-317-45856

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

Rustler1,7151,071
Grayburg3,412-626
San Andres4,018-1,232
Glorieta4,921-2,135
Clear Fork6,044-3,258
Spraberry7,234-4,448
Precambrian (Undifferentiated)—
Queen—

17 TOPS · FIRST 8

Rio 27-10 N42-317-45855

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

Yates2,432354
Queen3,011-225
Grayburg3,304-518
San Andres3,858-1,072
Clear Fork6,058-3,272
Spraberry7,251-4,465
Santa Rosa—
Cisco—

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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