TXL -13-

Oil · District 08 · Lease #30308

Operator: EXXON CORP.

Cum Oil

185k BBL

Cum Gas

944k MCF

casinghead

Wells

12

Production

1993-01 — 2007-06

Peak Month

1995-12

Production History

Cum Oil: 185,374 BBL Cum Gas: 944,159 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,837 BBL/mo

Di (annual)

33.7%

b-factor

0.2

EUR

125,956 BBL

R-squared

0.680

type

hyperbolic

Operator History (from monthly production reports)

1995-10 — 2007-12 CITATION OIL & GAS CORP. 147 mo
1993-01 — 1995-09 EXXON CORP. 33 mo

Wells (12)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8CITATION OIL & GAS CORP.26,8502007-04-14
13CITATION OIL & GAS CORP.26,8002005-05-19
4CITATION OIL & GAS CORP.26,7002005-05-18
5CITATION OIL & GAS CORP.26,7002005-05-18
2CITATION OIL & GAS CORP.26,7002005-04-13
11CITATION OIL & GAS CORP.26,8001997-02-19
7CITATION OIL & GAS CORP.26,7001996-07-09
15CITATION OIL & GAS CORP.26,8001996-07-05
3CITATION OIL & GAS CORP.26,7001996-07-05
14CITATION OIL & GAS CORP.26,8001992-11-30
6CITATION OIL & GAS CORP.26,7001992-11-23
10CITATION OIL & GAS CORP.16,7001986-08-12