FERRY, SARAH E. UNIT

Oil // district 1 // lease#13961

op: WATERS ENG. & OPERATING, INC.

cum_oil

40k BBL

cum_gas

0 MCF

wells

3

production

1995-01 — 2026-03

peak_month

1995-09

-- production_history

cum_oil: 39,550 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,237 BBL/mo

Di (annual)

34.7%

b-factor

0.0

EUR

42,760 BBL

R-squared

0.577

type

exponential

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3WATERS ENG. & OPERATING, INC.28,8002008-12-08
2WATERS ENG. & OPERATING, INC.38,8001997-08-28
1WATERS ENG. & OPERATING, INC.19,0001994-11-01
EOF // data source: Texas Railroad Commission // 2026