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Royalty Clerk

RRC field 90534350 · District 02

Tom Oconnor (4500 Greta Mass.)

The Tom Oconnor (4500 Greta Mass.) field reported 33,896 barrels of oil and 2,750 mcf of gas in the last 12 months.

Field dossier

33,896bbl oil, last 12 months−2% vs prior year
Producing leases
5of 7 on record
Operators
1
Counties
1
Biggest operator
Hilcorp Energy Company

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Where the field sits

This county

Refugio County: 5 producing leasesRefugioGoliadAransasCalhounKarnesSan PatricioVictoriaBeeJacksonRefugio County
1 county
Gas, last 12 months
2,750 mcf
Data through
Jul 2026

Five years of output in Tom Oconnor (4500 Greta Mass.)

Oil output in the Tom Oconnor (4500 Greta Mass.) field held steady over the last 12 months

33.9k bbl through Jul 2026, against 34.5k bbl a year earlier. Peak Dec 2021: 7,733 bbl.

Oil output in the Tom Oconnor (4500 Greta Mass.) field held steady over the last 12 months33.9k bbl through Jul 2026, against 34.5k bbl a year earlier. Peak Dec 2021: 7,733 bbl.Oil, bbl per month02,0004,0006,0008,000Peak 7,733 (Dec 21)3,12220222023202420252026
Oil output in the Tom Oconnor (4500 Greta Mass.) field held steady over the last 12 months33.9k bbl through Jul 2026, against 34.5k bbl a year earlier. Peak Dec 2021: 7,733 bbl.Oil, bbl per month02,0004,0006,0008,000Peak 7,733 (Dec 21)3,122'22'23'24'25'26

Gas output in the Tom Oconnor (4500 Greta Mass.) field fell 47% over the last 12 months

2,750 mcf through Jul 2026, against 5,207 mcf a year earlier. Peak Dec 2023: 3,192 mcf.

Gas output in the Tom Oconnor (4500 Greta Mass.) field fell 47% over the last 12 months2,750 mcf through Jul 2026, against 5,207 mcf a year earlier. Peak Dec 2023: 3,192 mcf.Gas, mcf per month01,0002,0003,0004,000Peak 3,192 (Dec 23)1,83020222023202420252026
Gas output in the Tom Oconnor (4500 Greta Mass.) field fell 47% over the last 12 months2,750 mcf through Jul 2026, against 5,207 mcf a year earlier. Peak Dec 2023: 3,192 mcf.Gas, mcf per month01,0002,0003,0004,000Peak 3,192 (Dec 23)1,830'22'23'24'25'26

SourceTexas Railroad Commission Production Data Query, field 90534350, through Jul 2026, file dated Sep 18, 2026.

Leases in the Tom Oconnor (4500 Greta Mass.) field

Under each volume: change on the year before.

Showing 5 of 5.

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SourceTexas Railroad Commission Production Data Query.

Recent drilling permits in the Tom Oconnor (4500 Greta Mass.) field