KEYSTONE CATTLE COMPANY

Oil // district 10 // lease#26628

op: WOOD, MCSHANE & THAMS

cum_oil

210k BBL

cum_gas

0 MCF

wells

3

production

1993-01 — 2026-03

peak_month

2013-03

-- production_history

cum_oil: 210,210 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,125 BBL/mo

Di (annual)

6.0%

b-factor

0.0

EUR

212,337 BBL

R-squared

0.438

type

exponential

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6WOOD, MCSHANE & THAMS24,8081992-03-06
6HWOOD, MCSHANE & THAMS24,8081992-03-06
3CWOOD, MCSHANE & THAMS24,4871982-03-22
EOF // data source: Texas Railroad Commission // 2026