COOK RANCH 112

Oil // district 8 // lease#26590

op: STASNEY WELL SERVICE, LLC

cum_oil

106k BBL

cum_gas

0 MCF

wells

5

production

1993-01 — 2026-03

peak_month

1993-03

-- production_history

cum_oil: 106,377 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

6,318 BBL/mo

Di (annual)

84.8%

b-factor

0.1

EUR

99,291 BBL

R-squared

0.959

type

hyperbolic

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
B201STASNEY WELL SERVICE, LLC25,5002020-01-29
B301STASNEY WELL SERVICE, LLC35,5002019-10-21
A301STASNEY, H. R. & SONS, LTD.25,5002011-04-01
A302STASNEY, H. R. & SONS, LTD.35,5002003-04-25
A201BRECK OPERATING CORP.25,5002000-12-28
EOF // data source: Texas Railroad Commission // 2026