LETHA JACOBY TRUST

Oil // district 9 // lease#15321

op: SUBSURFACE PRODUCTION, INC.

cum_oil

13k BBL

cum_gas

0 MCF

wells

1

production

2002-11 — 2026-03

peak_month

2003-04

-- production_history

cum_oil: 13,282 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

273 BBL/mo

Di (annual)

43.3%

b-factor

0.3

EUR

10,602 BBL

R-squared

0.492

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DAUBERT OPERATING. L.L.C.23,6002002-10-18
EOF // multi-state drilling data platform // 2026