MCGREGOR -5-

Oil // district 9 // lease#15796

op: TELESIS OPERATING CO., INC.

cum_oil

66k BBL

cum_gas

0 MCF

wells

5

production

2005-07 — 2016-01

peak_month

2007-10

-- production_history

cum_oil: 66,224 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,233 BBL/mo

Di (annual)

17.8%

b-factor

0.0

EUR

82,931 BBL

R-squared

0.726

type

exponential

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1TELESIS OPERATING CO., INC.34,9992013-02-08
1WTELESIS OPERATING CO., INC.34,9992013-02-08
4ATELESIS OPERATING CO., INC.14,9992007-03-13
3ATELESIS OPERATING CO., INC.14,9992007-02-21
2ATELESIS OPERATING CO., INC.24,9992006-12-07
EOF // data source: Texas Railroad Commission // 2026