BATEMAN TRUST EST. ACCOUNT NO. 1

Oil // district 11 // lease#18125

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

cum_oil

495k BBL

cum_gas

0 MCF

wells

21

production

1993-01 — 2014-11

peak_month

1997-03

-- production_history

cum_oil: 494,881 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

6,779 BBL/mo

Di (annual)

37.6%

b-factor

0.6

EUR

439,125 BBL

R-squared

0.912

type

hyperbolic

-- wells (21)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
110UNITEX OIL & GAS, L.L.C.15,5002011-10-26
91GRANDFIELD CONSULTING, INC.35,4002010-05-17
80GRANDFIELD CONSULTING, INC.25,3462008-04-23
39PRIMROSE OPERATING COMPANY45,6002003-05-15
27PRIMROSE OPERATING COMPANY25,3702001-08-28
81PRIMROSE OPERATING COMPANY13,8002001-08-28
31PRIMROSE OPERATING COMPANY13,9991996-06-13
31 UPRIMROSE OPERATING COMPANY13,9991996-06-13
70 UPRIMROSE OPERATING COMPANY14,3981995-09-27
37EXXON CORP.15,7001994-01-14
47EXXON CORP.15,7001994-01-14
92EXXON CORP.25,4251986-01-30
2042-269-00223--------
23 U42-269-00217--------
25 U42-269-00219--------
26W42-269-00220--------
30 U42-269-00227--------
32W42-269-00226--------
3542-269-00230--------
41W42-269-00236--------
7942-269-30007--------
EOF // data source: Texas Railroad Commission // 2026