Sierra Minerals, Inc in Milam County

One operator, one county: its permits, wells of record, formations, and leases here, with the rest of the county and the rest of the operator one click away.

Sierra Minerals, INC has 4 drilling permits on file in Milam County, the first issued in 1986 and the latest on January 22, 1990.

None were issued in the last twelve months.

It is operator of record on 21 wells in the county: 0 producing, 0 shut in, 0 injection.

Its completed wells here most often report Navarro.

0: permits, 12 months
4: permits, all time since 1986
—: horizontal, 12 months
—: ft average depth, 12 months
21: wells of record
0: producing · 0 shut in · 0 injection

Latest permits here

Issued	Lease / well	Type	Depth
Jan 22, 1990	Stamper #1 367070	Drill	2,800
Nov 4, 1987	Harber-Billie #1 338390	Drill	2,800
Oct 21, 1987	Mitchell, T. #1 337783	Drill	3,100
Jul 2, 1986	McCoy, Gaylon #1 332464	Drill	3,400
Jan 5, 1984	Coffield, H. H. Estate #2T 225941	Drill	1,600
Jan 5, 1984	Coffield, H. H. Estate #3T 225940	Drill	1,600
Aug 20, 1981	Coffield, H.H. #10 130682	Drill	1,000
Jun 2, 1981	Coffield, H.H. #9 119905	Drill	1,000
Jul 12, 1979	Coffield, H. H. #7 52771	Drill	700
Jul 12, 1979	Coffield, H. H. #6 52770	Drill	700

All 4 permits in Milam County, searchable → · Wells of record here →

Permit types and formations

Permit types

Drill: 0 / 4

12 MONTHS / ALL TIME

Formations reported

Navarro: 2

Leases it reports here

Lease	Wells	Oil, bbl	Last reported
Coffield, H. H. -B-	10	210	Jul 2026
Coffield, H.H. Estate	2	55	Mar 2008

All leases it reports → · Other operators in Milam County →

About this data

Permits from the RRC OGA049M master and daily daf420 files; wells of record and status from the EWA wellbore schedule, weekly; formations from the dbf900 wellbore file; leases from PDQ lease reports, placed in the county by the wells completed on them.

Developers: this page as JSON is GET /v1/data/operators/tx/780216/counties/milam, documented in the API reference.