KEYSTONE CATTLE CO.

Oil // district 10 // lease#26369

op: WOOD, MCSHANE & THAMS

cum_oil

57k BBL

cum_gas

0 MCF

wells

6

production

1993-01 — 2015-12

peak_month

1996-11

-- production_history

cum_oil: 56,705 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

574 BBL/mo

Di (annual)

25.1%

b-factor

0.5

EUR

47,297 BBL

R-squared

0.587

type

hyperbolic

-- wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6WOOD, MCSHANE & THAMS24,8081992-03-06
10HWOOD, MCSHANE & THAMS15,0001982-11-24
5WOOD, MCSHANE & THAMS15,0001981-10-05
2HWOOD, MCSHANE & THAMS25,0001981-08-21
95HWOOD, MCSHANE & THAMS15,0001980-12-31
1WOOD, MCSHANE & THAMS15,0001980-10-30
EOF // data source: Texas Railroad Commission // 2026