BATEMAN TRUST EST. ACCOUNT NO. 1

Oil // district 11 // lease#18128

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

cum_oil

1.5M BBL

cum_gas

0 MCF

wells

37

production

1993-01 — 2014-11

peak_month

1997-07

-- production_history

cum_oil: 1,478,988 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

16,649 BBL/mo

Di (annual)

28.1%

b-factor

0.9

EUR

1,791,603 BBL

R-squared

0.819

type

hyperbolic

-- wells (37)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
96UNITEX OIL & GAS, L.L.C.26,0002012-05-23
105UNITEX OIL & GAS, L.L.C.26,0002011-11-03
109UNITEX OIL & GAS, L.L.C.15,5002011-10-19
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
104PRIMROSE OPERATING COMPANY16,0001999-10-25
83PRIMROSE OPERATING COMPANY25,5001998-12-01
95PRIMROSE OPERATING COMPANY26,0001998-09-21
98PRIMROSE OPERATING COMPANY26,0001997-02-06
101PRIMROSE OPERATING COMPANY16,5001997-01-10
100PRIMROSE OPERATING COMPANY26,0001997-01-03
97PRIMROSE OPERATING COMPANY16,0001996-11-06
99PRIMROSE OPERATING COMPANY26,0001996-11-06
51PRIMROSE OPERATING COMPANY26,5001996-08-23
52PRIMROSE OPERATING COMPANY16,5001996-08-23
31 LPRIMROSE OPERATING COMPANY13,9991996-06-13
7PRIMROSE OPERATING COMPANY14,0001996-06-12
93PRIMROSE OPERATING COMPANY16,5001995-11-06
70 LPRIMROSE OPERATING COMPANY14,3981995-09-27
28 LPRIMROSE OPERATING COMPANY13,8001995-09-25
21 LPRIMROSE OPERATING COMPANY15,3201995-07-05
89EXXON CORP.25,4921992-03-16
84EXXON CORP.15,4001985-02-04
85EXXON CORP.15,4001984-12-18
23 L42-269-00217--------
3042-269-00227--------
30 L42-269-00227--------
3342-269-00228--------
33 L42-269-00228--------
34W42-269-00229--------
3642-269-00231--------
5742-269-00252--------
EOF // data source: Texas Railroad Commission // 2026