WELL · 42-461-40661 · DISTRICT 7

Neal Ranch 57 Unit #5728AH

Y

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

Neal Ranch 57 Unit #5728AH (API 42-461-40661) is a horizontal well in Upton County operated by Cog Operating LLC, completed May 8, 2018 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued October 16, 2017, permitted to 10,500 ft.

Completion filings report 9 formation tops, including Yates, Grayburg, San Andres, Spraberry.

Its lease has reported 3.28M barrels of oil and 9.92M mcf of gas since May 2018, last reporting in July 2026. The lease carries 11 wells, so these are lease totals, not this well alone.

Operator of record

COG Operating LLC

Midland, TX · P-5 Y, filed May 4, 2026 · 4,568 permits on file · (432) 853-2355

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleCOG Operating LLC
Production reportsCOG Operating LLCthrough Apr 2026
Latest permitCOG Operating LLCOct 16, 2017
10,500
total depth, ft
1
permits on file
Oct 16, 2017
last permit issued
May 8, 2018
completed
3.28M
cumulative oil, bbl
9.92M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 2018 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
May 8, 2018
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

31.486920, -102.068601

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Upton 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 11 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Neal Ranch 57 Unit O-9-19981Spraberry (Trend Area)COG Operating LLC113.28M9.92MMay 2018 – Jul 2026

Oil, barrels lease total

Last 12 months 479,931 · prior 12 840,685(-43%)

0100K200K300K202420252026

Gas, mcf lease total

Last 12 months 2,060,574 · prior 12 2,062,363(0%)

0100K200K300K202420252026

Chain of custody

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

  1. 1COG Operating LLCMay 2018 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
830480-99DrillCOG Operating LLCAug 30, 2017Oct 16, 2017Nov 30, 201710,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-19981————

Formation tops

As filed on W-2/G-1. Subsea from 2,790 ft elevation.Download CSV →

FormationMD ftSubsea
Yates1,900890
Grayburg2,500290
San AndresSAN ANDRES - SALTWATER FLOW4,750-1,960
Spraberry7,589-4,799
Wolfcamp9,020-6,230
Devonian——
Ellenburger——
Fusselman——
Strawn——

Perforations

Perforated and open-hole intervals.

FromToType
9,62922,717Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37552817.5550 S
9.6258,79312.25720 S
5.522,8128.52,895 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
00Sep 24, 2018Jul 19, 2018Yes

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 →

Neal Ranch 57 Unit42-461-40660

0.0 KM · COG Operating LLC · Section with this well →

Yates1,900890
Grayburg2,500290
San Andres4,750-1,960
Spraberry7,589-4,799
Wolfcamp9,020-6,230
Strawn—
Devonian—
Ellenburger—

9 TOPS · FIRST 8

Neal Ranch 57 Unit42-461-40662

0.0 KM · COG Operating LLC · Section with this well →

Yates1,900890
Grayburg2,500290
San Andres4,750-1,960
Spraberry7,589-4,799
Wolfcamp9,020-6,230
Devonian—
Strawn—
Fusselman—

9 TOPS · FIRST 8

Neal Ranch 57 Unit42-461-42303

0.2 KM · COG Operating LLC · Section with this well →

Yates2,605187
Grayburg4,221-1,429
San Andres4,756-1,964
Spraberry7,580-4,788
Wolfcamp—
Devonian—
Ellenburger—
Fusselman—

9 TOPS · FIRST 8

Neal Ranch 57 Unit42-461-42304

0.2 KM · COG Operating LLC · Section with this well →

Yates2,605187
Grayburg4,223-1,431
San Andres4,763-1,971
Spraberry6,754-3,962
Devonian—
Ellenburger—
Fusselman—
Strawn—

9 TOPS · FIRST 8

Neal Ranch 57 Unit42-461-42305

0.2 KM · COG Operating LLC · Section with this well →

Yates2,605187
Grayburg4,357-1,565
San Andres4,769-1,977
Spraberry6,768-3,976
Devonian—
Wolfcamp—
Strawn—
Ellenburger—

9 TOPS · FIRST 8

Neal Ranch 57 Unit42-461-42306

0.2 KM · COG Operating LLC · Section with this well →

Yates2,605187
Grayburg4,573-1,781
San Andres4,775-1,983
Spraberry7,611-4,819
Wolfcamp—
Fusselman—
Strawn—
Devonian—

9 TOPS · FIRST 8

Neal Ranch 57 Unit 32H42-461-39224

0.4 KM · COG Operating LLC · Section with this well →

Yates2,587199
Grayburg4,685-1,899
San Andres4,760-1,974
Spraberry7,580-4,794
Wolfcamp9,131-6,345
Ellenburger—
Fusselman—
Strawn—

9 TOPS · FIRST 8

Eagle Pass B542-461-42900

0.5 KM · COG Operating LLC · Section with this well →

Yates2,607183
Grayburg4,696-1,906
San Andres4,755-1,965
Spraberry7,592-4,802
Wolfcamp9,052-6,262
Strawn—
Ellenburger—
Fusselman—

9 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/46140661, documented in the API reference.