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Royalty Clerk

RRC field 57987333 · District 7B

Mary Opal (Gray Sand)

The Mary Opal (Gray Sand) field reported 3,013 barrels of oil and 10,117 mcf of gas in the last 12 months.

Field dossier

3,013bbl oil, last 12 months−49% vs prior year
Producing leases
2of 4 on record
Operators
1
Counties
1
Biggest operator
Sands Energy LLC

Own minerals in this field?

Where the field sits

This county

Coleman County: 2 producing leasesColemanTaylorRunnelsBrownCallahanEastlandColeman County
1 county
Gas, last 12 months
10,117 mcf
Data through
Jul 2026

Five years of output in Mary Opal (Gray Sand)

Oil output in the Mary Opal (Gray Sand) field fell 49% over the last 12 months

3,013 bbl through Jul 2026, against 5,907 bbl a year earlier. Peak Sep 2021: 843 bbl.

Oil output in the Mary Opal (Gray Sand) field fell 49% over the last 12 months3,013 bbl through Jul 2026, against 5,907 bbl a year earlier. Peak Sep 2021: 843 bbl.Oil, bbl per month02505007501,000Peak 843 (Sep 21)5320222023202420252026
Oil output in the Mary Opal (Gray Sand) field fell 49% over the last 12 months3,013 bbl through Jul 2026, against 5,907 bbl a year earlier. Peak Sep 2021: 843 bbl.Oil, bbl per month02505007501,000Peak 843 (Sep 21)53'22'23'24'25'26

Gas output in the Mary Opal (Gray Sand) field fell 69% over the last 12 months

10.1k mcf through Jul 2026, against 32.3k mcf a year earlier. Peak Jul 2022: 8,624 mcf.

Gas output in the Mary Opal (Gray Sand) field fell 69% over the last 12 months10.1k mcf through Jul 2026, against 32.3k mcf a year earlier. Peak Jul 2022: 8,624 mcf.Gas, mcf per month02,5005,0007,50010kPeak 8,624 (Jul 22)020222023202420252026
Gas output in the Mary Opal (Gray Sand) field fell 69% over the last 12 months10.1k mcf through Jul 2026, against 32.3k mcf a year earlier. Peak Jul 2022: 8,624 mcf.Gas, mcf per month02,5005,0007,50010kPeak 8,624 (Jul 22)0'22'23'24'25'26

SourceTexas Railroad Commission Production Data Query, field 57987333, through Jul 2026, file dated Sep 18, 2026.

Leases in the Mary Opal (Gray Sand) field

Under each volume: change on the year before.

SourceTexas Railroad Commission Production Data Query.

Recent drilling permits in the Mary Opal (Gray Sand) field

No recent permits.