DUFF, A. H. ESTATE "A"

Oil // district 9 // lease#8045

op: UNION PACIFIC RESOURCES COMPANY

cum_oil

87k BBL

cum_gas

0 MCF

wells

9

production

1993-01 — 2026-03

peak_month

1994-11

-- production_history

cum_oil: 86,570 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

480 BBL/mo

Di (annual)

7.5%

b-factor

0.0

EUR

75,312 BBL

R-squared

0.707

type

exponential

-- wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9MJM OIL & GAS, INC.16,8001997-05-30
2UNION PACIFIC RESOURCES COMPANY37,0001990-03-29
6UNION PACIFIC RESOURCES COMPANY37,0001989-10-18
7UNION PACIFIC RESOURCES COMPANY17,0001987-10-30
8UNION PACIFIC RESOURCES COMPANY17,0001987-10-30
5CHAMPLIN PETROLEUM CO.17,0001980-01-14
4CHAMPLIN PETROLEUM CO.17,0001979-12-14
3CHAMPLIN PETROLEUM CO.17,0001979-12-13
1CHAMPLIN PETROLEUM CO.17,0001979-09-27
EOF // multi-state drilling data platform // 2026