TEXACO FEE

Oil // district 8 // lease#28534

op: SOJOURNER DRILLING CORPORATION

cum_oil

1.6M BBL

cum_gas

0 MCF

wells

13

production

1998-09 — 2026-03

peak_month

2001-01

-- production_history

cum_oil: 1,589,198 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

36,260 BBL/mo

Di (annual)

42.7%

b-factor

0.2

EUR

1,272,396 BBL

R-squared

0.961

type

hyperbolic

-- wells (13)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12CHISHOLM OPERATING, INC.14,3002001-01-31
10CHISHOLM EXPLORATION14,3002000-12-01
9CHISHOLM EXPLORATION14,1002000-10-12
8CHISHOLM EXPLORATION14,9992000-09-15
7CHISHOLM EXPLORATION14,0002000-08-04
2AAVERY, IRVING W.14,3002000-05-04
6CHISHOLM EXPLORATION14,2002000-04-17
5CHISHOLM EXPLORATION14,1002000-02-11
1AAVERY, IRVING W.14,1002000-02-01
4CHISHOLM EXPLORATION14,2001999-12-31
3CHISHOLM EXPLORATION14,2001999-12-16
2CHISHOLM EXPLORATION13,9991998-11-24
1CHISHOLM EXPLORATION14,9991998-08-18
EOF // data source: Texas Railroad Commission // 2026