HALFF ESTATE

Oil // district 9 // lease#8899

op: SLEDGE, H. G., INC.

cum_oil

32k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2016-11

peak_month

2000-06

-- production_history

cum_oil: 31,880 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

219 BBL/mo

Di (annual)

15.5%

b-factor

0.0

EUR

16,842 BBL

R-squared

0.517

type

exponential

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3SLEDGE, H. G., INC.411,6302016-07-15
2KASPAR, A. G.111,7001983-08-31
EOF // data source: Texas Railroad Commission // 2026