ANNIS

Oil // district 8 // lease#4268

op: WALTER EXPLORATION INC.

cum_oil

92k BBL

cum_gas

0 MCF

wells

11

production

1993-01 — 2026-03

peak_month

2011-10

-- production_history

cum_oil: 92,459 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

602 BBL/mo

Di (annual)

10.9%

b-factor

0.0

EUR

65,852 BBL

R-squared

0.414

type

exponential

-- wells (11)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
14MERIT ENERGY COMPANY24,7002014-08-25
102MERIT ENERGY COMPANY15,0002012-02-22
101PLANTATION OPERATING, LLC25,0002011-06-06
15MARTIN OIL CO.14,8001992-05-22
16MARTIN OIL CO.15,6001992-05-07
13MARTIN OIL CO.15,5001987-04-03
12MARTIN OIL CO.24,6001981-06-23
10MARTIN OIL CO.14,7001979-12-31
142-433-80135--------
342-433-01146--------
742-433-80139--------
EOF // data source: Texas Railroad Commission // 2026