TEXAS · WELLS · MIDLAND COUNTY · MARION V. BENGE ESTATE A4 LEASE · API 42-329-42424 · DISTRICT 7B

Marion V. Benge Estate A4 #2502BH

Midland County · Parks (Consolidated) field · Producing · Horizontal

Marion V. Benge Estate A4 #2502BH (API 42-329-42424) is a horizontal well in Midland County operated by Cog Operating LLC, completed May 9, 2019 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued April 6, 2018, permitted to 9,655 ft.

Completion filings report 9 formation tops, including Santa Rosa, Yates, Seven Rivers, Queen.

Its lease has reported 247K barrels of oil and 2.48M mcf of gas since May 2019, last reporting volume in April 2026.

Operator of record

COG Operating LLC

Based in: Midland, TX
P-5 status: Active – Extension (X)
P-5 last filed: Jun 2, 2026
Permits on file: 4,568
Phone: (432) 683-7443

Watch this operator Watch Midland County

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	COG Operating LLC
Production reports	COG Operating LLCthrough Apr 2026
Latest permit	COG Operating LLCApr 6, 2018

9,655: total depth, ft
1: permits on file
Apr 6, 2018: last permit issued
May 9, 2019: completed
247K: cumulative oil, bbl
2.48M: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 2019 THROUGH Apr 2026

Regulatory status · RRC wellbore file

Schedule: ON SCHEDULE
Completed: May 9, 2019
Shut in: —
Plugged: —

Operator's P-5 on the schedule: Active (A)

Surface location

31.795425, -102.110024 NAD27, as filed

31.795555, -102.110439 WGS84

Google Maps ↗

Permit surface location from the RRC GIS record, referenced to NAD27 as the RRC files it; the WGS84 pair is the same point through NOAA's NADCON grid, and the map link uses it, in Midland County.

Wells nearby

Withinmiles

Every well with a location on file around this one, in any state, nearest first.

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Texas locations come from drilling permits, so most older Texas wells have none and are not listed.

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 →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Marion V. Benge Estate A4 O-10-52218	Parks (Consolidated)	COG Operating LLC	1	247K	2.48M	May 2019 – Apr 2026

Gas, mcf lease total

Last 12 months 388,933 · prior 12 417,178(-7%)

Oil, barrels lease total

Last 12 months 4,425 · prior 12 6,229(-29%)

Chain of custody

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

1COG Operating LLCMay 2019 → Apr 2026

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
838244-99	Drill	COG Operating LLC	Apr 2, 2018	Apr 6, 2018	Oct 14, 2018	12,000

Completions

Completed	Lease	Field	Operator	Status	Depth
May 9, 2019	Marion V. Benge Estate A4 O-10-52218	Parks (Consolidated)	COG Operating LLC	Producing	9,655

Formation tops

As filed on W-2/G-1. Subsea from 2,868 ft elevation.Download CSV →

Formation	MD ft	Subsea
Santa Rosa	951	1,917
Yates	2,834	34
Seven Rivers	3,001	-133
Queen	4,055	-1,187
Grayburg	4,350	-1,482
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO	4,716	-1,848
Glorieta	5,113	-2,245
Clear ForkCLEARFORK	6,995	-4,127
Spraberry	7,835	-4,967
SpraberrySPRABERRY UPPER-DEAN	9,149	-6,281

Perforations

Perforated and open-hole intervals.

From	To	Type
10,022	20,379	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
13.375	1,799	17.5	1,230 S
9.625	9,012	12.25	940 S
5.5	20,470	8.5	2,455 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →

Suffix	RRC record date	W-2 / G-1 date	Logs referenced
00	Oct 1, 2019	Jun 24, 2019	Yes

Well logs

1 log loaded from the RRC's log index, the latest received Oct 20, 2021. Neutron. These are the logs loaded into Petrora from the Railroad Commission's inventories, not necessarily every log run on the well. The RRC holds the files; each opens from its log search for the well. The kind is the RRC's description of the log; the interval is the one filed for it.

Open the RRC's log search for this well ↗

Logas described	Files	Intervalft, as filed	Datereceived	SizeMB
Neutron	TIFF	from 9,835	Oct 20, 2021	42.8

Find logs withinmiles of this well:List →Map →

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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.

Wellbore filings for 42-329-42424 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-329-42424 → scanned completion filings

The logs loaded for this well are under Well logs, with the RRC's log search for it.

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 neighbors, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Marion V. Benge Estate A242-329-42423

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

Santa Rosa	951	1,917
Yates	2,834	34
Seven Rivers	3,001	-133
Queen	4,055	-1,187
Grayburg	4,350	-1,482
San Andres	4,716	-1,848
Glorieta	5,113	-2,245
Clear Fork	6,995	-4,127

10 TOPS · FIRST 8

Marion V. Benge Estate A1442-329-42419

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

Santa Rosa	951	1,917
Yates	2,834	34
Seven Rivers	3,001	-133
Queen	4,055	-1,187
Grayburg	4,300	-1,432
San Andres	4,716	-1,848
Glorieta	5,114	-2,246
Clear Fork	6,995	-4,127

10 TOPS · FIRST 8

Marion V. Benge Estate A342-329-42420

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

Santa Rosa	951	1,917
Yates	2,834	34
Seven Rivers	3,001	-133
Queen	4,055	-1,187
Grayburg	4,350	-1,482
San Andres	4,716	-1,848
Glorieta	5,114	-2,246
Clear Fork	6,995	-4,127

10 TOPS · FIRST 8

Marion V. Benge Estate A142-329-42422

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

Santa Rosa	951	1,917
Yates	2,834	34
Seven Rivers	3,001	-133
Queen	4,055	-1,187
Grayburg	4,350	-1,482
San Andres	4,716	-1,848
Glorieta	5,114	-2,246
Clear Fork	6,995	-4,127

10 TOPS · FIRST 8

Marion V. Benge Estate A1342-329-42421

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

Santa Rosa	951	1,917
Yates	2,834	34
Seven Rivers	3,001	-133
Queen	4,055	-1,187
Grayburg	4,350	-1,482
San Andres	4,716	-1,848
Glorieta	5,113	-2,245
Clear Fork	6,995	-4,127

10 TOPS · FIRST 8

Marion V. Benge Estate A1842-329-42436

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

Santa Rosa	935	1,934
Yates	2,853	16
Seven Rivers	3,001	-132
Queen	4,089	-1,220
Grayburg	4,300	-1,431
San Andres	4,757	-1,888
Glorieta	5,290	-2,421
Clear Fork	7,006	-4,137

10 TOPS · FIRST 8

Marion V. Benge Estate A542-329-42434

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

Santa Rosa	936	1,933
Yates	2,853	16
Seven Rivers	3,001	-132
Queen	4,088	-1,219
Grayburg	4,350	-1,481
San Andres	4,755	-1,886
Glorieta	5,289	-2,420
Clear Fork	7,006	-4,137

10 TOPS · FIRST 8

Marion V. Benge Estate A642-329-42433

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

Santa Rosa	935	1,934
Yates	2,853	16
Seven Rivers	3,001	-132
Queen	4,089	-1,220
Grayburg	4,350	-1,481
San Andres	4,757	-1,888
Glorieta	5,290	-2,421
Clear Fork	7,006	-4,137

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/32942424, documented in the API reference.