CASTLEBURY -A-

Oil // district 13 // lease#14994

op: WESTNEFT LLC

cum_oil

16k BBL

cum_gas

0 MCF

wells

9

production

1993-01 — 2026-03

peak_month

1998-04

-- production_history

cum_oil: 16,092 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

130 BBL/mo

Di (annual)

25.0%

b-factor

0.7

EUR

12,936 BBL

R-squared

0.632

type

hyperbolic

-- wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11K.R.M. PETROLEUM CORP.13,5001990-08-15
10BOX, W. A.11,6501978-02-03
1A42-487-01981--------
342-487-20036--------
442-487-82877--------
542-487-20034--------
742-487-30126--------
842-487-30670--------
942-487-30720--------
EOF // data source: Texas Railroad Commission // 2026