SACKS, SYLVIA #1

Oil // district 3 // lease#20800

op: UNION PACIFIC AUSTIN CHALK CO.

cum_oil

641k BBL

cum_gas

0 MCF

wells

5

production

1993-01 — 2026-03

peak_month

1993-01

-- production_history

cum_oil: 641,473 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

10,167 BBL/mo

Di (annual)

356.3%

b-factor

1.2

EUR

247,999 BBL

R-squared

0.349

type

hyperbolic

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4UNION PACIFIC AUSTIN CHALK CO.59,2001996-03-12
4REUNION PACIFIC AUSTIN CHALK CO.59,2001996-03-12
5GEMINI EXPLORATION COMPANY18,3001992-06-09
3GEMINI EXPLORATION COMPANY18,3001990-09-20
1GEMINI EXPLORATION COMPANY28,5001990-03-16
EOF // data source: Texas Railroad Commission // 2026