TRIFECTA (TANNEHILL "B") UNIT

Oil // district 11 // lease#69557

op: CHISHOLM OPERATING, INC.

cum_oil

257k BBL

cum_gas

0 MCF

wells

11

production

2010-08 — 2026-03

peak_month

2011-06

-- production_history

cum_oil: 256,736 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,424 BBL/mo

Di (annual)

15.7%

b-factor

0.0

EUR

262,463 BBL

R-squared

0.784

type

exponential

-- wells (11)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
205CHISHOLM OPERATING, INC.25,5002014-12-17
404CHISHOLM OPERATING, INC.35,9992014-06-02
108CHISHOLM OPERATING, INC.15,3002012-05-09
301CHISHOLM OPERATING, INC.25,9992011-09-02
701CHISHOLM OPERATING, INC.26,0002011-07-05
302CHISHOLM OPERATING, INC.25,2402010-08-23
501CHISHOLM OPERATING, INC.26,0002010-07-23
204CHISHOLM OPERATING, INC.16,0002006-01-17
107WOODS OPERATING CO., INC.17,2002005-11-02
403CHISHOLM OPERATING, INC.15,9992005-06-07
402CHISHOLM OPERATING, INC.25,9992005-04-20
EOF // data source: Texas Railroad Commission // 2026