M K GRAHAM ESTATE 401

Oil // district 8 // lease#30988

op: STOVALL OPERATING CO.

cum_oil

30k BBL

cum_gas

0 MCF

wells

2

production

2012-04 — 2026-03

peak_month

2013-09

-- production_history

cum_oil: 29,977 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

759 BBL/mo

Di (annual)

87.2%

b-factor

0.4

EUR

17,090 BBL

R-squared

0.638

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2STOVALL OPERATING CO.14,9992014-08-22
1STOVALL OPERATING CO.14,9992012-01-31
EOF // data source: Texas Railroad Commission // 2026