SPITZER

Oil // district 8 // lease#32158

op: CHISHOLM OPERATING, INC.

cum_oil

68k BBL

cum_gas

0 MCF

wells

4

production

2017-08 — 2026-03

peak_month

2018-08

-- production_history

cum_oil: 67,685 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,508 BBL/mo

Di (annual)

90.1%

b-factor

0.4

EUR

55,028 BBL

R-squared

0.781

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1CHISHOLM OPERATING, INC.26,5002018-11-19
5CHISHOLM OPERATING, INC.16,2002018-08-27
4CHISHOLM OPERATING, INC.16,2002018-05-16
2CHISHOLM OPERATING, INC.16,3002017-05-23
EOF // data source: Texas Railroad Commission // 2026