M K GRAHAM ESTATE 393

Oil // district 8 // lease#31316

op: STOVALL OPERATING CO.

cum_oil

29k BBL

cum_gas

0 MCF

wells

2

production

2013-10 — 2026-03

peak_month

2015-05

-- production_history

cum_oil: 29,462 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

649 BBL/mo

Di (annual)

53.5%

b-factor

0.4

EUR

23,668 BBL

R-squared

0.790

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3STOVALL OPERATING CO.14,9992013-10-30
2STOVALL OPERATING CO.14,9992013-08-06
EOF // data source: Texas Railroad Commission // 2026