WELL · 42-317-42787 · DISTRICT 8

Mabee Dda K11 #511KS

N

Martin County · Spraberry (Trend Area) field  · Horizontal

Mabee Dda K11 #511KS (API 42-317-42787) is a permitted horizontal well in Martin County filed by Cog Operating LLC; no completion report is on file yet.

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

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

Its lease has reported 413K barrels of oil and 514K mcf of gas since February 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
—
completed
413K
cumulative oil, bbl
514K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Feb 2021 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
Shut in
—
Plugged
—

Surface location

32.179794, -102.155183

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 K11 O-10-55989Spraberry (Trend Area)COG Operating LLC1413K514KFeb 2021 – Jul 2026

Oil, barrels lease total

Last 12 months 30,946 · prior 12 36,509(-15%)

02K4K6K202420252026

Gas, mcf lease total

Last 12 months 74,786 · prior 12 47,979(+56%)

05K10K202420252026

Chain of custody

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

  1. 1COG Operating LLCFeb 2021 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
860272-99DrillCOG Operating LLCDec 19, 2019Dec 30, 2019May 4, 202010,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-55989————

Formation tops

As filed on W-2/G-1. Subsea from 2,880 ft elevation.Download CSV →

FormationMD ftSubsea
Santa Rosa1,2391,641
Santa Rosa1,3301,550
Yates2,980-100
Yates2,986-106
Seven Rivers3,305-425
Queen3,785-905
Grayburg3,985-1,105
Queen4,061-1,181
San AndresSAN ANDRES-ACTIVE CO2 FLOOD;HIGH4,713-1,833
Grayburg4,718-1,838
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H4,788-1,908
Clear ForkCLEARFORK6,844-3,964
Spraberry8,057-5,177
Spraberry8,071-5,191
Jomill8,565-5,685
Dean——

Perforations

Perforated and open-hole intervals.

FromToType
9,39621,918Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37544817.5500 S
10.755,57412.251,530 S
5.522,0156.75970 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, 2025Yes
00Oct 8, 2021Aug 5, 2021Yes
00Oct 8, 2021——

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 509KS42-317-42788

0.0 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
Pennsylvanian—
Wolfcamp—

10 TOPS · FIRST 8

Mabee Dda 511KA42-317-42786

0.0 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

0.0 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

Mabee Dda 508KA42-317-42791

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

Santa Rosa1,2301,639
Yates2,971-102
Queen3,776-907
Grayburg3,976-1,107
San Andres4,704-1,835
Glorieta5,488-2,619
Spraberry8,048-5,179
Dean9,186-6,317

11 TOPS · FIRST 8

Mabee Dda 508KS42-317-42790

0.5 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
Cisco—
Wolfcamp—

10 TOPS · FIRST 8

Mabee Dda 506KS42-317-42789

0.5 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

Johnson Glass Unit A142-317-43258

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

Santa Rosa1,2661,625
Yates2,974-83
Seven Rivers3,282-391
Queen3,788-897
Grayburg4,720-1,829
San Andres4,967-2,076
Glorieta5,505-2,614
Clear Fork6,833-3,942

10 TOPS · FIRST 8

Johnson Ranch42-317-43240

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

Yates2,974-83
Seven Rivers3,282-391
Queen3,788-897
Grayburg4,720-1,829
San Andres4,967-2,076
Glorieta5,505-2,614
Clear Fork6,833-3,942
Spraberry8,035-5,144

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/31742787, documented in the API reference.