BATEMAN TRUST EST. ACCOUNT NO. 1

Oil // district 11 // lease#18122

op: UNITEX OIL & GAS, L.L.C.

cum_oil

751k BBL

cum_gas

0 MCF

wells

29

production

1993-01 — 2014-11

peak_month

1998-01

-- production_history

cum_oil: 751,428 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

6,322 BBL/mo

Di (annual)

34.5%

b-factor

2.0

EUR

1,090,588 BBL

R-squared

0.768

type

hyperbolic

-- wells (29)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
96UNITEX OIL & GAS, L.L.C.26,0002012-05-23
105UNITEX OIL & GAS, L.L.C.26,0002011-11-03
103PRIMROSE OPERATING COMPANY26,0002010-05-24
91GRANDFIELD CONSULTING, INC.35,4002010-05-17
80GRANDFIELD CONSULTING, INC.25,3462008-04-23
54GRANDFIELD CONSULTING, INC.15,5002008-02-23
39PRIMROSE OPERATING COMPANY45,6002003-05-15
90PRIMROSE OPERATING COMPANY45,4802003-05-15
82PRIMROSE OPERATING COMPANY26,3002001-08-28
108PRIMROSE OPERATING COMPANY16,0002000-02-18
106PRIMROSE OPERATING COMPANY16,0002000-02-02
83PRIMROSE OPERATING COMPANY25,5001998-12-01
95PRIMROSE OPERATING COMPANY26,0001998-09-21
102PRIMROSE OPERATING COMPANY14,0001997-07-15
12PRIMROSE OPERATING COMPANY16,0001996-12-30
94PRIMROSE OPERATING COMPANY26,0001996-11-06
51PRIMROSE OPERATING COMPANY26,5001996-08-23
52PRIMROSE OPERATING COMPANY16,5001996-08-23
7PRIMROSE OPERATING COMPANY14,0001996-06-12
70PRIMROSE OPERATING COMPANY14,3981995-09-27
28PRIMROSE OPERATING COMPANY13,8001995-09-25
86PRIMROSE OPERATING COMPANY25,4001995-08-28
21PRIMROSE OPERATING COMPANY15,3201995-07-05
89EXXON CORP.25,4921992-03-16
5542-269-00248--------
6142-269-00258--------
6542-269-00261--------
6742-269-00263--------
842-269-00203--------
EOF // data source: Texas Railroad Commission // 2026