WELL · 42-317-44784 · DISTRICT 8

Zebco 27-39 AA #27MS

Y

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

Zebco 27-39 AA #27MS (API 42-317-44784) is a horizontal well in Martin County operated by Diamondback E&P LLC, completed July 21, 2023 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued October 21, 2022, permitted to 10,250 ft.

Completion filings report 12 formation tops, including Yates, Queen, Grayburg, San Andres.

Its lease has reported 338K barrels of oil and 584K mcf of gas since April 2023, last reporting in July 2026.

Operator of record

Diamondback E&P LLC

Midland, TX · P-5 Y, filed Mar 4, 2026 · 5,231 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 permitDiamondback E&P LLCOct 21, 2022
10,250
total depth, ft
1
permits on file
Oct 21, 2022
last permit issued
Jul 21, 2023
completed
338K
cumulative oil, bbl
584K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 2023 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jul 21, 2023
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

32.217682, -101.834402

OpenStreetMap → ·  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
Zebco 27-39 AA O-10-59256Spraberry (Trend Area)Diamondback E&P LLC1338K584KApr 2023 – Jul 2026

Oil, barrels lease total

Last 12 months 60,959 · prior 12 98,914(-38%)

020K40K202420252026

Gas, mcf lease total

Last 12 months 164,835 · prior 12 251,473(-34%)

020K40K202420252026

Chain of custody

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

  1. 1Diamondback E&P LLCJul 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
884792-99DrillDiamondback E&P LLCOct 11, 2022Oct 21, 2022Oct 31, 202210,250

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-59256————

Formation tops

As filed on W-2/G-1. Subsea from 2,772 ft elevation.Download CSV →

FormationMD ftSubsea
Yates2,400372
Queen2,959-187
Grayburg3,389-617
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H3,979-1,207
Glorieta4,896-2,124
Clear ForkCLEARFORK6,014-3,242
Spraberry7,214-4,442
Cisco——
Dean——
Pennsylvanian——
Santa Rosa——
Wolfcamp——

Perforations

Perforated and open-hole intervals.

FromToType
8,07021,072Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
11.751,95114.751,230 S
8.6255,76711795 S
5.521,1167.8752,210 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
00Dec 18, 2023Oct 23, 2023Yes
00Jul 31, 2023May 25, 2023Yes

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 →

Zebco 27-39 F42-317-44137

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

Yates2,417355
Queen2,968-196
Grayburg3,401-629
San Andres3,986-1,214
Glorieta4,911-2,139
Clear Fork6,015-3,243
Spraberry7,212-4,440
Dean8,537-5,765

10 TOPS · FIRST 8

Zebco 27-39 C42-317-44138

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

Yates2,393385
Queen2,940-162
Grayburg3,377-599
San Andres3,974-1,196
Glorieta4,884-2,106
Clear Fork6,019-3,241
Spraberry7,219-4,441
Pennsylvanian—

12 TOPS · FIRST 8

Zebco 27-39 B42-317-44140

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

Yates2,403369
Queen2,950-178
Grayburg3,380-608
San Andres4,004-1,232
Glorieta4,877-2,105
Clear Fork6,021-3,249
Spraberry7,220-4,448
Dean—

10 TOPS · FIRST 8

Zebco 27-39 D42-317-44139

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

Yates2,409363
Queen2,980-208
Grayburg3,399-627
San Andres3,991-1,219
Glorieta4,906-2,134
Clear Fork6,024-3,252
Spraberry7,225-4,453
Wolfcamp8,479-5,707

10 TOPS · FIRST 8

Zebco 27-39 H42-317-44146

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

Yates2,399373
Queen2,954-182
Grayburg3,389-617
San Andres3,974-1,202
Glorieta4,896-2,124
Clear Fork6,028-3,256
Spraberry7,223-4,451
Pennsylvanian—

12 TOPS · FIRST 8

Zebco 27-39 K42-317-44145

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

Yates2,416357
Queen2,963-190
Grayburg3,405-632
San Andres3,990-1,217
Glorieta4,910-2,137
Clear Fork6,033-3,260
Spraberry7,219-4,446
Dean8,546-5,773

12 TOPS · FIRST 8

Rio 27-15 D42-317-44557

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

Santa Rosa1,0981,667
Yates2,378387
Queen3,037-272
Grayburg3,413-648
San Andres3,835-1,070
Clear Fork6,027-3,262
Spraberry7,209-4,444
Dean8,544-5,779

10 TOPS · FIRST 8

Rio 27-15 B42-317-44556

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

Santa Rosa1,0981,667
Yates2,378387
Queen3,037-272
Grayburg3,413-648
San Andres3,835-1,070
Clear Fork6,026-3,261
Spraberry7,210-4,445
Cisco—

11 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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