MITTASCH, CAROL L. ET AL

Oil // district 3 // lease#19435

op: TRIVISTA OPERATING LLC

cum_oil

57k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2026-03

peak_month

1995-03

-- production_history

cum_oil: 56,668 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

479 BBL/mo

Di (annual)

17.6%

b-factor

0.5

EUR

53,283 BBL

R-squared

0.888

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1GREENBRIAR ENERGY INC.25,7002002-02-28
4COATES ENERGY TRUST25,7001987-09-14
3COATES ENERGY TRUST15,7001987-01-21
2COATES ENERGY TRUST15,7001986-12-09
EOF // data source: Texas Railroad Commission // 2026