ROACH

Oil // district 10 // lease#26988

op: WALBET, INC.

fields: WARD, SOUTH

cum_oil

18k BBL

cum_gas

0 MCF

wells

7

production

1993-01 — 2026-03

peak_month

1999-06

-- production_history

cum_oil: 18,224 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

66 BBL/mo

Di (annual)

11.0%

b-factor

0.0

EUR

7,030 BBL

R-squared

0.300

type

exponential

-- wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7GRAHAM, BILL J. ESTATE12,6001983-09-06
6GRAHAM, BILL J.12,6001983-06-07
5GRAHAM, BILL J.12,6001983-02-18
4GRAHAM, BILL J.12,6001982-09-10
3GRAHAM, BILL J.12,6301982-05-03
2GRAHAM, BILL J.12,6501982-01-27
1GRAHAM, BILL J.12,6601981-10-15
EOF // data source: Texas Railroad Commission // 2026