WELL · 42-317-39462 · DISTRICT 8

Mabee 239 #1303WB

N

Martin County · Spraberry (Trend Area) field  · Horizontal

Mabee 239 #1303WB (API 42-317-39462) is a horizontal well in Martin County operated by Cog Operating LLC, completed December 8, 2014.

The RRC has issued one drilling permit (amended once), issued May 17, 2014, permitted to 11,000 ft.

Completion filings report 10 formation tops, including Santa Rosa, Yates, Queen, Grayburg.

Its 2 leases have reported 3.85M barrels of oil and 9.05M mcf of gas since February 2010, last reporting in July 2026. The leases carry 44 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 permitReliance Energy, Inc.May 17, 2014

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

11,000
total depth, ft
2
permits on file
May 17, 2014
last permit issued
Dec 8, 2014
completed
3.85M
cumulative oil, bbl
9.05M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Feb 2010 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Dec 8, 2014
Shut in
—
Plugged
—

Surface location

32.254795, -102.186659

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 2 leases this well is completed on; they carry 44 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Mabee 239 O-10-40493Spraberry (Trend Area)COG Operating LLC433.84M9MFeb 2010 – Jul 2026
Mabee 239 X3 O-10-63773Spraberry (Trend Area)COG Operating LLC19.58K42.9KJun 2025 – Jul 2026

Oil, barrels lease total

Last 12 months 55,533 · prior 12 118,315(-53%)

05K10K15K202420252026

Gas, mcf lease total

Last 12 months 125,518 · prior 12 345,229(-64%)

020K40K60K202420252026

Chain of custody

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

  1. 1Reliance Energy, Inc.Mar 2010 → Sep 2016
  2. 2COG Operating LLCOct 2016 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
784595-98DrillCOG Operating LLCMay 20, 2025May 17, 2014Oct 5, 201411,000
784595-99DrillReliance Energy, Inc.Apr 14, 2014May 17, 2014Oct 5, 201411,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-40493————
—— O-10-63773————

Formation tops

As filed on W-2/G-1. Subsea from 2,892 ft elevation.Download CSV →

FormationMD ftSubsea
Santa Rosa1,3901,502
Santa Rosa1,3911,501
Yates2,962-70
Queen4,055-1,163
Grayburg4,660-1,768
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H4,901-2,009
Spraberry8,293-5,401
Dean9,569-6,677
Wolfcamp9,761-6,869
Cisco——
Pennsylvanian——

Perforations

Perforated and open-hole intervals.

FromToType
10,40817,453Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,77017.51,700 S
10.755,60512.25530 S
5.517,5407.8752,075 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 19, 2025May 14, 2025—
00Sep 11, 2025Feb 12, 2015Yes
00Jun 17, 2015Feb 12, 2015Yes

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 →

Mabee 4 SWD42-317-39058

0.5 KM · Reliance Energy, Inc. · Section with this well →

Cisco—
Fusselman—
Devonian—
Dean—
Mississippian—
Pennsylvanian—
Silurian (undifferentiated)—
Spraberry—

10 TOPS · FIRST 8

Mabee 239 X142-317-39059

0.8 KM · Reliance Energy, Inc. · Section with this well →

Santa Rosa1,4691,421
Yates2,84050
Queen4,076-1,186
Grayburg4,737-1,847
San Andres4,970-2,080
Spraberry8,325-5,435
Dean9,513-6,623
Wolfcamp9,701-6,811

10 TOPS · FIRST 8

Mabee Dda E3142-317-46948

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

Santa Rosa1,2691,616
Yates2,973-88
Queen3,558-673
Grayburg4,025-1,140
San Andres4,700-1,815
Clear Fork6,842-3,957
Spraberry8,274-5,389
Dean9,553-6,668

10 TOPS · FIRST 8

Mabee Dda E3042-317-46947

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

Santa Rosa1,2461,639
Yates2,968-83
Queen3,562-677
Grayburg4,021-1,136
San Andres4,686-1,801
Clear Fork6,847-3,962
Spraberry8,274-5,389
Dean9,554-6,669

10 TOPS · FIRST 8

Mabee Dda E2942-317-46972

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

San Andres4,744-1,859
Clear Fork6,900-4,015
Spraberry8,347-5,462
Spraberry8,616-5,731
Fusselman—
Cisco—
Dean—
Wolfcamp—

10 TOPS · FIRST 8

Mabee Dda E2642-317-46969

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

Santa Rosa1,2771,608
Yates2,990-105
Queen3,731-846
Grayburg4,281-1,396
San Andres4,790-1,905
Spraberry8,402-5,517
Cisco—
Dean—

10 TOPS · FIRST 8

Mabee Dda E2742-317-46970

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

Spraberry8,356-5,471
Spraberry8,625-5,740
Cisco—
Wolfcamp—
Strawn—
Silurian (undifferentiated)—
Pennsylvanian—
Mississippian—

10 TOPS · FIRST 8

Mabee Dda E2842-317-46971

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

Santa Rosa1,2771,608
Yates2,987-102
Queen3,712-827
Grayburg4,248-1,363
San Andres4,746-1,861
Clear Fork6,900-4,015
Cisco—
Dean—

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/31739462, documented in the API reference.