FIELDS · TEXAS · FIELD 34943300

Gilmer (Cotton Valley Sands)

Field · District 06 · Upshur County · Cotton Valley Sands in every state →

Gilmer (Cotton Valley Sands) is an RRC field with 79 leases on file reported by 50 operators, in Upshur County.

In the 12 months reported through April 2026 it produced 12 million mcf of gas, up 47% on the year before, from 43 leases reporting volume.

Rose City Resources, LLC holds the most, 19 leases and 13 million mcf of gas lifetime.

Lifetime, the field has reported 96,251 barrels of oil and 84 million mcf of gas, across 4 oil and 66 gas leases.

79
leases on file · 4 oil, 66 gas
43
leases reporting volume
50
operators, all time
57
active wellbores of 80 · 9 operators today
8,634
bbl oil, 12 months through Apr 2026 · −12%
12.2M
Mcf gas, same 12 months · +47%
96,251
bbl oil, lifetime · 84.5M Mcf gas

Every well completed in it, searchable →

Reported production by month

Last 12 months 8,634 · prior 12 9,759(-12%)

05001K1.5K2017201820192020202120222023202420252026

Gilmer (Cotton Valley Sands): Oil by month.

Operators

BY LIFETIME OIL ON THEIR LEASES · TOP 14

OperatorLeasesOil, bblGas, McfLast reported
Rose City Resources, LLC1991.5K13.1MJul 2026
Sabine Oil & Gas Corporation24.73K136KSep 2021
Sabine Energy Inc.16054.6MJul 2026
Beehive Operating, LLC100350KJul 2026
Sulphur River Exploration, Inc.9012.3MJul 2026
Diversified Production LLC50933KJul 2026
Apache Corporation20134KJun 2011
Cci Gulf Coast Upstream LLC10830Feb 2016
Crescent Pass Energy, LLC10311KAug 2024
Buffco Production Inc.10921KJul 2026
Tanos Exploration IV, LLC10644KJul 2026
Eqv Operating LLC101.93MJul 2026
Spicewood Operating Company, LLC1066.9KJul 2026
Tischer Energy, LLC101.4MJul 2026

All 79 leases in Gilmer (Cotton Valley Sands), searchable →

Counties

Latest completions

BY COMPLETION DATE

WellOperatorCountyCompletedTop perf, ftOil, 12 moGas, 12 mo
Tuel-Bogel GU 2 (AW) #1HTanos Exploration IV LLCUpshurJun 12, 2026—00
Barber-Gunn (AW) #1HTanos Exploration IV LLCUpshurSep 30, 2025—00
Highground #2HTischer Energy LLCUpshurSep 27, 2025—00
Reynolds a (AW) #1HSabine Energy Inc.UpshurSep 12, 2025—00
Reynolds C (AW) #3HSabine Energy Inc.UpshurSep 12, 2025—00
Reynolds B (AW) #2HSabine Energy Inc.UpshurSep 12, 2025—00
Landers-Rocky Creek a (AW) #1HSabine Energy Inc.UpshurSep 18, 2024—00
Landers-Camp a (AW) #1HSabine Energy Inc.UpshurSep 18, 2024—00
Wertz-Collie a (AW) #1HRSabine Energy Inc.UpshurAug 22, 2024—00
Landers Unit #3Rose City Resources LLCUpshurApr 28, 2024—00

About this data

Field 34943300 from RRC PDQ lease reports: lifetime totals and lease and operator counts from the field summary; the monthly series summed from every lease report naming the field, cut at the statewide reported-through month, Apr 2026. Counties from the wells completed on each lease. Completions are the wellbores the RRC schedule ties to the field. The formation, Cotton Valley Sands, is read from the field's name. Nothing is estimated.

Developers: this page as JSON is GET /v1/data/fields/tx/34943300, documented in the API reference.