ROSS, W. R. "A"

Oil // district 11 // lease#17596

op: MARATHON OIL COMPANY

cum_oil

83k BBL

cum_gas

0 MCF

wells

7

production

1993-01 — 2012-03

peak_month

1993-01

-- production_history

cum_oil: 82,640 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,206 BBL/mo

Di (annual)

34.9%

b-factor

0.1

EUR

84,098 BBL

R-squared

0.765

type

hyperbolic

-- wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
14MARATHON OIL COMPANY25,3001993-05-14
6MARATHON OIL COMPANY25,3401991-10-29
4RMARATHON OIL COMPANY15,3001991-04-18
13MARATHON OIL COMPANY15,9001990-09-07
10MARATHON OIL COMPANY15,3401989-07-21
11MARATHON OIL COMPANY16,3501989-04-03
4 U42-269-00297--------
EOF // multi-state drilling data platform // 2026