Texas county · RRC district 03

Grimes County

Grimes County reported 201,195 barrels of oil and 3.7 million mcf of gas in the last 12 months. That ranks 136th of 224 Texas counties by oil.

County dossier

201,195bbl oil, last 12 months+5% vs prior year

Producing leases: 179of 291 on record
Operators: 17
Fields: 20
Top operator: CML Exploration, LLC

Own minerals in Grimes County?

Check my statement

Where it sits

This county

Grimes County · RRC district 03

Gas, last 12 months: 3,746,918 mcf
Share of Texas oil: <0.1%
Data through: Jul 2026
Top field: Madisonville, W. (Woodbine -A-)

Five years of output in Grimes County

Oil output in Grimes County rose 5% over the last 12 months

201k bbl through Jul 2026, against 192k bbl a year earlier. Peak Aug 2021: 25.3k bbl.

Gas output in Grimes County fell 13% over the last 12 months

3.7M mcf through Jul 2026, against 4.3M mcf a year earlier. Peak Aug 2021: 760k mcf.

SourceTexas Railroad Commission Production Data Query, county totals, through Jul 2026, file dated Sep 18, 2026.

The biggest leases in Grimes County

Find a leaseOperatorSort

Under each volume: change on the year before.

HAYES
03-26695CML Exploration, LLCMadisonville, W. (Woodbine -A-)
13,376bbl oil+3%
RUEN
03-25897CML Exploration, LLCMadisonville, W. (Woodbine -A-)
10,152bbl oil−9%
POST OAK
03-26694CML Exploration, LLCMadisonville, W. (Woodbine -A-)
8,954bbl oil−5%
R.B. CLARY
03-25697CML Exploration, LLCMadisonville, W. (Woodbine -A-)
8,258bbl oil+2%
FLORA
03-26534CML Exploration, LLCMadisonville, W. (Woodbine -A-)
7,573bbl oil+19%
HOLTH
03-26325Pride Energy CompanyMadisonville, W. (Woodbine -A-)
7,194bbl oil−5%
DELLA
03-26943CML Exploration, LLCMadisonville, W. (Woodbine -A-)
6,890bbl oil+23%
WALKOVIAK
03-26866Paleo Oil Company LLCBB (Cockfield)
6,682bbl oil−31%
TOMMIE CARROLL
03-27124Wildfire Energy Operating LLCMadisonville, W. (Woodbine -A-)
5,295bbl oil−31%
GRANT
03-26404Pride Energy CompanyMadisonville, W. (Woodbine -A-)
4,923bbl oil−29%
CLEVELAND
03-26719Wildfire Energy Operating LLCMadisonville, W. (Woodbine -A-)
4,818bbl oil−4%
SUTTON
03-26253CML Exploration, LLCMadisonville, W. (Woodbine -A-)
4,673bbl oil−16%
NEVILL
03-25502CML Exploration, LLCMadisonville, W. (Woodbine -A-)
4,480bbl oil+22%
BEAL
03-25653CML Exploration, LLCMadisonville, W. (Woodbine -A-)
4,394bbl oil−12%
KAGG
03-25957CML Exploration, LLCMadisonville, W. (Woodbine -A-)
4,071bbl oil−13%
HAYNIE, JEFF COMPANY UNIT
03-244593Magnolia Oil & Gas Operating LLCGiddings (Austin Chalk-3)
94,538mcf gas−2%
LAKE CREEK UNIT
03-232242Magnolia Oil & Gas Operating LLCGiddings (Austin Chalk-3)
92,395mcf gas+1%
WILLIAM
03-25716CML Exploration, LLCMadisonville, W. (Woodbine -A-)
3,942bbl oil−10%
WHEATON CATTLE COMPANY 4
03-26575Trailblazer Energy Resources,llcMadisonville, W. (Woodbine -A-)
3,864bbl oil−17%
KEISLER UNIT
03-243801Magnolia Oil & Gas Operating LLCGiddings (Austin Chalk-3)
87,266mcf gas−9%
WEST RICHARDS UNIT
03-242512Magnolia Oil & Gas Operating LLCGiddings (Austin Chalk-3)
85,032mcf gas−9%
PATRIOT Y
03-27144Paleo Oil Company LLCBB (Cockfield)
3,481bbl oil−8%
WHEATON CATTLE COMPANY 2
03-26644Trailblazer Energy Resources,llcMadisonville, W. (Woodbine -A-)
3,420bbl oil−11%
WHITE-SPRINGER
03-25319CML Exploration, LLCMadisonville, W. (Woodbine -A-)
3,408bbl oil−12%
JOYCE
03-26073CML Exploration, LLCMadisonville, W. (Woodbine -A-)
3,348bbl oil−6%

Producing leases in Grimes County

HAYES03-26695CML Exploration, LLCMadisonville, W. (Woodbine -A-)	13,376bbl oil	+3%
RUEN03-25897CML Exploration, LLCMadisonville, W. (Woodbine -A-)	10,152bbl oil	−9%
POST OAK03-26694CML Exploration, LLCMadisonville, W. (Woodbine -A-)	8,954bbl oil	−5%
R.B. CLARY03-25697CML Exploration, LLCMadisonville, W. (Woodbine -A-)	8,258bbl oil	+2%
FLORA03-26534CML Exploration, LLCMadisonville, W. (Woodbine -A-)	7,573bbl oil	+19%
HOLTH03-26325Pride Energy CompanyMadisonville, W. (Woodbine -A-)	7,194bbl oil	−5%
DELLA03-26943CML Exploration, LLCMadisonville, W. (Woodbine -A-)	6,890bbl oil	+23%
WALKOVIAK03-26866Paleo Oil Company LLCBB (Cockfield)	6,682bbl oil	−31%
TOMMIE CARROLL03-27124Wildfire Energy Operating LLCMadisonville, W. (Woodbine -A-)	5,295bbl oil	−31%
GRANT03-26404Pride Energy CompanyMadisonville, W. (Woodbine -A-)	4,923bbl oil	−29%
CLEVELAND03-26719Wildfire Energy Operating LLCMadisonville, W. (Woodbine -A-)	4,818bbl oil	−4%
SUTTON03-26253CML Exploration, LLCMadisonville, W. (Woodbine -A-)	4,673bbl oil	−16%
NEVILL03-25502CML Exploration, LLCMadisonville, W. (Woodbine -A-)	4,480bbl oil	+22%
BEAL03-25653CML Exploration, LLCMadisonville, W. (Woodbine -A-)	4,394bbl oil	−12%
KAGG03-25957CML Exploration, LLCMadisonville, W. (Woodbine -A-)	4,071bbl oil	−13%
HAYNIE, JEFF COMPANY UNIT03-244593Magnolia Oil & Gas Operating LLCGiddings (Austin Chalk-3)	94,538mcf gas	−2%
LAKE CREEK UNIT03-232242Magnolia Oil & Gas Operating LLCGiddings (Austin Chalk-3)	92,395mcf gas	+1%
WILLIAM03-25716CML Exploration, LLCMadisonville, W. (Woodbine -A-)	3,942bbl oil	−10%
WHEATON CATTLE COMPANY 403-26575Trailblazer Energy Resources,llcMadisonville, W. (Woodbine -A-)	3,864bbl oil	−17%
KEISLER UNIT03-243801Magnolia Oil & Gas Operating LLCGiddings (Austin Chalk-3)	87,266mcf gas	−9%
WEST RICHARDS UNIT03-242512Magnolia Oil & Gas Operating LLCGiddings (Austin Chalk-3)	85,032mcf gas	−9%
PATRIOT Y03-27144Paleo Oil Company LLCBB (Cockfield)	3,481bbl oil	−8%
WHEATON CATTLE COMPANY 203-26644Trailblazer Energy Resources,llcMadisonville, W. (Woodbine -A-)	3,420bbl oil	−11%
WHITE-SPRINGER03-25319CML Exploration, LLCMadisonville, W. (Woodbine -A-)	3,408bbl oil	−12%
JOYCE03-26073CML Exploration, LLCMadisonville, W. (Woodbine -A-)	3,348bbl oil	−6%

Showing 25 of 150 (the 150 largest of 179), ranked by output value.

Every lease in Grimes County, A to Z →

SourceTexas Railroad Commission Production Data Query.

Who runs the leases, and what they produce

Operators in Grimes County, by oil

CML Exploration leads

Fields in Grimes County, by oil

Madisonville, W. (Woodbine -A-) leads

More operators here

OperatorProven Natural Resources LLC6 OperatorIron Ridge Operating, LLC1 OperatorSouthwest Resources, Inc.5 OperatorReed Exploration LLC1

Search this county →

Recent drilling permits in Grimes County

NEVILL AC #1
new drill · horizontal · CML Exploration, LLC · Grimes County
Permit 0918607 · Sep 15, 2026
N. T. BREAUX #01
reclass · Paleo Oil Company LLC · Grimes County
Permit 0910121 · Sep 16, 2025
T.J. TUCKER UNIT NO. 2 #3
new drill · Galloway Energy Co. · Grimes County
Permit 0909557 · Aug 1, 2025
ASHLEY #1
new drill · Magnetar Operating LLC · Grimes County
Permit 0909151 · Jul 16, 2025
KNOTTS #1RE
recompletion · horizontal · CML Exploration, LLC · Grimes County
Permit 0909195 · Jul 15, 2025
NOV-RDTC TEST WELL #4000D
recompletion · National Oilwell Varco, L.P. · Grimes County
Permit 0908120 · May 22, 2025