WELL · 42-317-42791 · DISTRICT 8

Mabee Dda K9 #508KA

Y

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

Mabee Dda K9 #508KA (API 42-317-42791) is a horizontal well in Martin County operated by Cog Operating LLC, completed March 4, 2021 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued December 30, 2019, permitted to 10,000 ft.

Completion filings report 11 formation tops, including Santa Rosa, Yates, Queen, Grayburg.

Its lease has reported 313K barrels of oil and 426K mcf of gas since March 2021, last reporting in July 2026.

Operator of record

COG Operating LLC

Midland, TX · P-5 X, filed Jun 2, 2026 · 4,568 permits on file · (432) 683-7443

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleCOG Operating LLC
Production reportsCOG Operating LLCthrough Apr 2026
Latest permitCOG Operating LLCDec 30, 2019
10,000
total depth, ft
1
permits on file
Dec 30, 2019
last permit issued
Mar 4, 2021
completed
313K
cumulative oil, bbl
426K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Mar 2021 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Mar 4, 2021
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

32.180927, -102.150253

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
Mabee Dda K9 O-10-55982Spraberry (Trend Area)COG Operating LLC1313K426KMar 2021 – Jul 2026

Oil, barrels lease total

Last 12 months 29,691 · prior 12 38,742(-23%)

02K4K6K202420252026

Gas, mcf lease total

Last 12 months 53,389 · prior 12 93,374(-43%)

05K10K15K202420252026

Chain of custody

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

  1. 1COG Operating LLCMar 2021 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
860278-99DrillCOG Operating LLCDec 19, 2019Dec 30, 2019May 13, 202010,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-55982————

Formation tops

As filed on W-2/G-1. Subsea from 2,869 ft elevation.Download CSV →

FormationMD ftSubsea
Santa Rosa1,2301,639
Santa Rosa1,3581,511
Yates2,971-102
Yates2,975-106
Queen3,776-907
Grayburg3,976-1,107
Queen4,045-1,176
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H4,704-1,835
Grayburg4,708-1,839
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H4,760-1,891
Glorieta5,488-2,619
Spraberry8,048-5,179
Spraberry8,052-5,183
Dean9,186-6,317
Dean9,291-6,422
Wolfcamp9,493-6,624
Wolfcamp9,522-6,653
Cisco——
Precambrian (Undifferentiated)——

Perforations

Perforated and open-hole intervals.

FromToType
9,86122,407Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37546017.5525 S
10.755,50212.251,880 S
5.522,5286.75645 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
00Aug 15, 2025Jul 10, 2025—
00Aug 18, 2021Aug 5, 2021Yes

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 Dda 508KS42-317-42790

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

Santa Rosa1,2291,639
Yates2,961-93
Queen3,775-907
Grayburg3,975-1,107
San Andres4,703-1,835
Spraberry8,047-5,179
Dean—
Cisco—

10 TOPS · FIRST 8

Mabee Dda 506KS42-317-42789

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

Santa Rosa1,2291,639
Rustler1,975893
Yates2,970-102
Seven Rivers3,330-462
Queen3,775-907
Grayburg3,975-1,107
San Andres4,703-1,835
Glorieta5,506-2,638

15 TOPS · FIRST 8

Mabee Dda 505KS42-317-42792

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

Santa Rosa1,2271,641
Yates2,968-100
Seven Rivers3,327-459
Queen3,773-905
Grayburg3,973-1,105
San Andres4,701-1,833
Clear Fork6,826-3,958
Spraberry8,045-5,177

12 TOPS · FIRST 8

Mabee Dda K542-317-42793

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

Santa Rosa1,2271,641
Yates2,880-12
Seven Rivers3,282-414
Queen3,773-905
Grayburg3,973-1,105
San Andres4,701-1,833
Glorieta5,457-2,589
Spraberry8,022-5,154

14 TOPS · FIRST 8

Mabee Dda 509KS42-317-42788

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

Santa Rosa1,2391,641
Yates2,980-100
Queen3,785-905
Grayburg3,985-1,105
San Andres4,713-1,833
Spraberry8,057-5,177
Dean—
Wolfcamp—

10 TOPS · FIRST 8

Mabee Dda 511KS42-317-42787

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

Santa Rosa1,2391,641
Yates2,980-100
Seven Rivers3,305-425
Queen3,785-905
Grayburg3,985-1,105
San Andres4,713-1,833
San Andres4,788-1,908
Clear Fork6,844-3,964

11 TOPS · FIRST 8

Mabee Dda 511KA42-317-42786

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

Santa Rosa1,2391,641
Rustler1,973907
Tansill2,897-17
Yates2,966-86
Seven Rivers3,307-427
Queen3,785-905
Grayburg3,985-1,105
San Andres4,713-1,833

15 TOPS · FIRST 8

Mabee Dda 512KS42-317-42785

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

Santa Rosa1,2461,641
Rustler1,963924
Tansill2,8834
Yates2,966-79
Seven Rivers3,298-411
Queen3,792-905
Grayburg3,992-1,105
San Andres4,720-1,833

17 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/31742791, documented in the API reference.