COX, D. A.

Oil // district 13 // lease#2483

op: VASTAR RESOURCES, INC.

cum_oil

231k BBL

cum_gas

0 MCF

wells

7

production

1993-01 — 2026-03

peak_month

1993-03

-- production_history

cum_oil: 230,876 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,692 BBL/mo

Di (annual)

21.1%

b-factor

1.1

EUR

249,414 BBL

R-squared

0.384

type

hyperbolic

-- wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
33SYDRI OPERATING, LLC35,5022022-07-21
8CIMAREX ENERGY CO. OF COLORADO34,9062010-08-31
35 UCIMAREX ENERGY CO. OF COLORADO15,5502007-07-06
A 62ARCO OIL & GAS CO.35,6501991-03-14
25ARCO OIL & GAS CO.25,5321982-05-19
242-097-82330--------
2242-097-82331--------
EOF // data source: Texas Railroad Commission // 2026