KEY B

Oil // district 10 // lease#22221

op: SANTA FE SNYDER CORPORATION

cum_oil

95k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2026-03

peak_month

2014-06

-- production_history

cum_oil: 94,967 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,056 BBL/mo

Di (annual)

25.2%

b-factor

0.1

EUR

55,855 BBL

R-squared

0.666

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4PIONEER NATURAL RES. USA, INC.110,0002014-02-28
1SANTA FE ENERGY RESOURCES, INC.19,2601998-09-04
3R K PETROLEUM CORPORATION212,3001990-10-12
2ADOBE OIL & GAS CORP.19,4001983-07-18
EOF // data source: Texas Railroad Commission // 2026