YORK

Oil // district 8 // lease#15270

op: WALSH & WATTS, INC.

cum_oil

188k BBL

cum_gas

0 MCF

wells

10

production

1993-01 — 2026-03

peak_month

1998-04

-- production_history

cum_oil: 187,992 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,421 BBL/mo

Di (annual)

12.2%

b-factor

0.0

EUR

139,309 BBL

R-squared

0.571

type

exponential

-- wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10WALSH & WATTS, INC.25,0002019-03-28
9WALSH & WATTS, INC.14,8001997-06-20
8WALSH & WATTS, INC.14,8001982-10-29
7WALSH & WATTS, INC.14,8001982-09-02
5WALSH & WATTS, INC.14,8001981-07-01
6WALSH & WATTS, INC.14,8001981-07-01
4WALSH & WATTS, INC.14,8001981-05-13
3WALSH & WATTS, INC.14,8001980-08-06
2WALSH & WATTS, INC.14,8001979-12-19
1WALSH & WATTS, INC.14,8001979-05-04
EOF // data source: Texas Railroad Commission // 2026