TEXAS · WELLS · KARNES COUNTY · GRAMM UNIT LEASE · API 42-255-37683 · DISTRICT 02

Gramm Unit #4H

Karnes County · Eagleville (Eagle Ford-2) field · Producing · Horizontal

Gramm Unit #4H (API 42-255-37683) is a horizontal well in Karnes County operated by Devon Energy Production CO L.P., completed June 13, 2023 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued January 23, 2023, permitted to 10,072 ft.

Completion filings report 10 formation tops, including Yegua, Queen City, Reklaw, Carrizo.

Its lease has reported 1.1M barrels of oil and 2.15M mcf of gas since December 2011, last reporting volume in April 2026. The lease carries 8 wells, so these are lease totals, not this well alone.

Operator of record

Devon Energy Production Co L.P.

Based in: Oklahoma City, OK
P-5 status: Active (A)
P-5 last filed: Dec 18, 2025
Permits on file: 9,266
Phone: (405) 235-3611

Watch this operator Watch Karnes County

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	Devon Energy Production Co L.P.
Production reports	Devon Energy Production Co, L.P.through Apr 2026
Latest permit	Devon Energy Production Co, L.P.Jan 23, 2023

10,072: total depth, ft
1: permits on file
Jan 23, 2023: last permit issued
Jun 13, 2023: completed
1.1M: cumulative oil, bbl
2.15M: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 2012 THROUGH Apr 2026

Regulatory status · RRC wellbore file

Schedule: ON SCHEDULE
Completed: Jun 13, 2023
Shut in: —
Plugged: —

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

Surface location

29.149509, -97.730367 NAD27, as filed

29.149755, -97.730643 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 Karnes County.

Wells nearby

Withinmiles

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

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Open the full map →

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; they carry 8 wells in total, so volumes are shared.Why →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Gramm Unit O-2-9874	Eagleville (Eagle Ford-2)	Devon Energy Production Co, L.P.	8	1.1M	2.15M	Dec 2011 – Apr 2026

Oil, barrels lease total

Last 12 months 101,074 · prior 12 150,307(-33%)

Gas, mcf lease total

Last 12 months 451,033 · prior 12 479,336(-6%)

Chain of custody

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

1Plains Exploration & Prod. Co.May 2012 → Jun 2013
2Freeport-McMoran Oil & Gas LLCJul 2013 → Jun 2014
3Encana Oil & Gas(usa) Inc.Jul 2014 → Jan 2020
4Ovintiv USA Inc.Feb 2020 → Apr 2021
5Validus NRG Aquilas Assetco LLCMay 2021 → Aug 2022
6Devon Energy Production Co, L.P.Sep 2022 → Apr 2026

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
887458-99	Drill	Devon Energy Production Co, L.P.	Jan 19, 2023	Jan 23, 2023	Feb 21, 2023	14,000

Completions

Completed	Lease	Field	Operator	Status	Depth
Jun 13, 2023	Gramm Unit O-2-9874	Eagleville (Eagle Ford-2)	Devon Energy Production Co L.P.	Producing	10,072

Formation tops

As filed on W-2/G-1. Subsea from 358 ft elevation.Download CSV →

Formation	MD ft	Subsea
YeguaYEGUA - DISPOSAL	2,124	-1,766
Queen City	3,176	-2,818
Reklaw	3,539	-3,181
Carrizo	4,653	-4,295
WilcoxWILCOX - DISPOSAL	5,094	-4,736
Austin ChalkAUSTIN CHALK - H2S	8,714	-8,356
Eagle FordEAGLE FORD - H2S	9,114	-8,756
EdwardsEDWARDS - H2S	—	—
FrioFRIO - DISPOSAL	—	—
SligoSLIGO - H2S	—	—

Perforations

Perforated and open-hole intervals.

From	To	Type
9,260	10,872	Perforated
11,583	15,666	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
9.625	3,859	12.25	1,155 S
5.5	15,761	8.75	2,545 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	Sep 11, 2023	Jul 26, 2023	Yes

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 42-255-37683 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-255-37683 → scanned completion filings

Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.

Find logs withinmiles of this well:List →Map →

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 →

Gramm Unit42-255-37684

0.0 KM · Devon Energy Production Co, L.P. · Section with this well →

Yegua	2,187	-1,829
Queen City	3,244	-2,886
Reklaw	3,601	-3,243
Carrizo	4,718	-4,360
Wilcox	5,161	-4,803
Austin Chalk	8,709	-8,351
Eagle Ford	9,111	-8,753
Sligo	—

10 TOPS · FIRST 8

Gramm Unit42-255-37685

0.0 KM · Devon Energy Production Co, L.P. · Section with this well →

Yegua	2,199	-1,842
Queen City	3,258	-2,901
Reklaw	3,616	-3,259
Carrizo	4,732	-4,375
Wilcox	5,157	-4,800
Austin Chalk	8,704	-8,347
Eagle Ford	9,106	-8,749
Sligo	—

10 TOPS · FIRST 8

Gramm Unit42-255-37686

0.0 KM · Devon Energy Production Co, L.P. · Section with this well →

Yegua	2,203	-1,846
Queen City	3,259	-2,902
Reklaw	3,620	-3,263
Carrizo	4,732	-4,375
Wilcox	5,169	-4,812
Austin Chalk	8,701	-8,344
Eagle Ford	9,107	-8,750
Edwards	—

10 TOPS · FIRST 8

Gramm Unit42-255-37687

0.0 KM · Devon Energy Production Co, L.P. · Section with this well →

Yegua	2,202	-1,845
Queen City	3,263	-2,906
Reklaw	3,624	-3,267
Carrizo	4,733	-4,376
Wilcox	5,209	-4,852
Austin Chalk	8,695	-8,338
Eagle Ford	9,091	-8,734
Sligo	—

10 TOPS · FIRST 8

Georg (EF)42-255-35582

2.0 KM · Lonestar Operating, LLC · Section with this well →

Frio	600	-292
Yegua	1,000	-692
Queen City	1,950	-1,642
Reklaw	3,900	-3,592
Carrizo	4,500	-4,192
Wilcox	5,000	-4,692
Austin Chalk	8,269	-7,961
Eagle Ford	8,542	-8,234

10 TOPS · FIRST 8

Georg (EF)42-255-35583

2.0 KM · Lonestar Operating, LLC · Section with this well →

Frio	600	-292
Yegua	1,000	-692
Queen City	1,950	-1,642
Reklaw	3,900	-3,592
Carrizo	4,500	-4,192
Wilcox	5,000	-4,692
Austin Chalk	8,275	-7,967
Eagle Ford	8,555	-8,247

10 TOPS · FIRST 8

Georg (EF)42-255-35584

2.0 KM · Lonestar Operating, LLC · Section with this well →

Frio	600	-292
Yegua	1,000	-692
Queen City	1,950	-1,642
Reklaw	3,900	-3,592
Carrizo	4,500	-4,192
Wilcox	5,000	-4,692
Austin Chalk	8,290	-7,982
Eagle Ford	8,566	-8,258

10 TOPS · FIRST 8

Maple C42-255-37583

2.1 KM · Lonestar Operating, LLC · Section with this well →

Anacacho	8,154	-7,830
Austin Chalk	8,254	-7,930
Eagle Ford	8,465	-8,141
Frio	—
Edwards	—
Queen City	—
Reklaw	—
Wilcox	—

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/25537683, documented in the API reference.