BIG CREEK

Oil // district 11 // lease#69441

op: SOJOURNER DRILLING CORPORATION

cum_oil

58k BBL

cum_gas

0 MCF

wells

1

production

2008-12 — 2022-05

peak_month

2009-09

-- production_history

cum_oil: 58,276 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,211 BBL/mo

Di (annual)

53.1%

b-factor

0.1

EUR

55,430 BBL

R-squared

0.792

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HROUND ROCK RESOURCES, INC.19,0002008-07-15
EOF // data source: Texas Railroad Commission // 2026