NORTH WALNUT BEND UNIT

Oil // district 13 // lease#26978

op: VASTAR RESOURCES, INC.

cum_oil

632k BBL

cum_gas

0 MCF

wells

26

production

1993-01 — 2026-03

peak_month

1993-03

-- production_history

cum_oil: 632,017 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

5,656 BBL/mo

Di (annual)

17.5%

b-factor

0.6

EUR

683,152 BBL

R-squared

0.952

type

hyperbolic

-- wells (26)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
210VASTAR RESOURCES, INC.15,9001996-03-28
116ARCO OIL & GAS CO.15,3501990-07-27
206LARCO OIL & GAS CO.15,3501988-08-05
206UARCO OIL & GAS CO.15,3501988-08-05
115ARCO OIL & GAS CO.15,3501988-04-26
207ARCO OIL & GAS CO.25,3501988-04-06
1013UARCO OIL & GAS CO.15,3501988-02-19
113LARCO OIL & GAS CO.15,3501988-02-19
114LARCO OIL & GAS CO.15,3501988-02-09
114UARCO OIL & GAS CO.15,3501988-02-09
209ARCO OIL & GAS CO.25,3501988-02-09
112WSARCO OIL & GAS CO.15,6001979-12-31
102AARCO OIL & GAS CO.12,8001979-09-17
108ARCO OIL & GAS CO.22,6501979-08-13
109ARCO OIL & GAS CO.22,6501979-08-13
101ARCO OIL & GAS CO.15,1371979-04-30
111ARCO OIL & GAS CO.12,6501979-03-13
111LARCO OIL & GAS CO.12,6501979-03-13
111UARCO OIL & GAS CO.12,6501979-03-13
110ARCO OIL & GAS CO.12,6501979-03-07
107WSATLANTIC RICHFIELD CO.15,6421977-12-12
10242-097-01043--------
10442-097-01045--------
10542-097-02027--------
20442-097-83038--------
20542-097-02780--------
EOF // multi-state drilling data platform // 2026