LA BRISA RANCH PARTNERS 91

Oil // district 4 // lease#315

op: WRIGHT BROTHERS ENERGY, INC.

fields: BOYLE

cum_oil

229k BBL

cum_gas

0 MCF

wells

12

production

1993-01 — 2026-03

peak_month

2011-02

-- production_history

cum_oil: 229,102 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,824 BBL/mo

Di (annual)

26.5%

b-factor

0.2

EUR

215,428 BBL

R-squared

0.904

type

hyperbolic

-- wells (12)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
K 2TRAP ROCK OIL, LTD.26,0002014-05-22
M 9TRAP ROCK OIL, LTD.14,7002012-06-05
M 8TRAP ROCK OIL, LTD.14,7002012-05-10
G 3RTRAP ROCK OIL, LTD.15,0002011-10-13
M 4RTRAP ROCK OIL, LTD.14,5002011-10-07
M 5TRAP ROCK OIL, LTD.14,5452010-09-09
1RTRAP ROCK OIL, LTD.34,5112010-03-31
M 3TRAP ROCK OIL, LTD.14,4562010-02-25
142-427-03451--------
B 142-427-03452--------
B 242-427-03455--------
C 142-427-03451--------
EOF // data source: Texas Railroad Commission // 2026