MALONE

Oil // district 9 // lease#1615

op: ROBERTS & HAMMACK, INC.

cum_oil

49k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2026-01

peak_month

2010-03

-- production_history

cum_oil: 48,914 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

609 BBL/mo

Di (annual)

32.8%

b-factor

0.2

EUR

27,683 BBL

R-squared

0.523

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4ROBERTS & HAMMACK INC.18,3002009-10-09
3ROBERTS & HAMMACK, INC.18,6001984-11-08
142-383-01156--------
2A42-383-01157--------
EOF // data source: Texas Railroad Commission // 2026