WALKER

Oil // district 10 // lease#26765

op: SHENANDOAH PETROLEUM CORPORATION

cum_oil

14k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2024-09

peak_month

1994-07

-- production_history

cum_oil: 13,542 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

72 BBL/mo

Di (annual)

7.2%

b-factor

0.0

EUR

11,692 BBL

R-squared

0.382

type

exponential

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4MONTERO OPERATING, INC.27,2001989-10-20
3MONTERO OPERATING, INC.37,1001986-03-07
2TIPCO17,0001981-02-05
1TIPCO17,5001978-05-24
EOF // data source: Texas Railroad Commission // 2026