HYVL UNIT

Oil // district 3 // lease#13880

op: XTO ENERGY INC.

cum_oil

33k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2022-10

peak_month

1995-01

-- production_history

cum_oil: 32,735 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

742 BBL/mo

Di (annual)

60.9%

b-factor

0.6

EUR

31,509 BBL

R-squared

0.786

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HPARKER & PARSLEY PRODUCING L.P.29,6001994-09-15
1GEODYNAMICS OIL & GAS, INC.19,0001980-10-09
EOF // data source: Texas Railroad Commission // 2026