DIEDRICH-WOLFF

Oil // district 8 // lease#19124

op: VISTA RESOURCES, INC. (A)

cum_oil

35k BBL

cum_gas

0 MCF

wells

6

production

1993-01 — 2004-01

peak_month

1994-01

-- production_history

cum_oil: 35,491 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,633 BBL/mo

Di (annual)

69.8%

b-factor

0.0

EUR

28,085 BBL

R-squared

0.486

type

exponential

-- wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3E.G. OPERATING15,9901996-05-03
2FINA OIL & CHEM. CO. OF MIDLAND16,4001987-09-09
8FINA OIL & CHEM. CO. OF MIDLAND16,4001987-06-30
7FINA OIL & CHEM. CO. OF MIDLAND16,4001986-01-23
5AMERICAN PETROFINA OF MIDLAND15,9751985-04-22
4AMERICAN PETROFINA OF MIDLAND16,0501984-12-31
EOF // data source: Texas Railroad Commission // 2026