MCLAUGHLIN ACCT. 4

Oil // district 11 // lease#64801

op: SIMMONS, L.B. ENERGY, INC.

cum_oil

49k BBL

cum_gas

0 MCF

wells

6

production

1993-01 — 2026-03

peak_month

1994-01

-- production_history

cum_oil: 48,753 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,610 BBL/mo

Di (annual)

306.1%

b-factor

1.3

EUR

50,463 BBL

R-squared

0.637

type

hyperbolic

-- wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
145PARALLEL PETROLEUM LLC14,5002014-09-26
120SIMMONS, L.B. ENERGY, INC.24,0501994-08-03
118SIMMONS, L.B. ENERGY, INC.24,3001993-09-14
103SIMMONS, L.B. ENERGY, INC.34,0001992-09-16
31SIMMONS, L.B. ENERGY, INC.23,9001992-06-25
104MONSANTO OIL COMPANY13,9001984-03-16
EOF // data source: Texas Railroad Commission // 2026