UNDERWOOD -B-

Oil // district 10 // lease#25804

op: SUNRAY ENERGY, INC.

cum_oil

236k BBL

cum_gas

0 MCF

wells

6

production

1993-01 — 2026-03

peak_month

2018-01

-- production_history

cum_oil: 235,672 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

7,357 BBL/mo

Di (annual)

54.6%

b-factor

0.1

EUR

179,781 BBL

R-squared

0.734

type

hyperbolic

-- wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HRING ENERGY, INC.15,1002017-09-08
2HRING ENERGY, INC.14,8002017-07-28
1HRING ENERGY, INC.24,8002017-02-07
3WALKER, CHAS. L.14,9501980-11-05
2WALKER, CHAS. L.14,7501980-06-11
1WALKER, CHAS. L.14,8501979-11-28
EOF // multi-state drilling data platform // 2026