THORNTON, E. L.

Oil // district 8 // lease#28664

op: GRAYSTONE ENERGY CORPORATION

cum_oil

37k BBL

cum_gas

0 MCF

wells

3

production

1999-08 — 2026-03

peak_month

1999-09

-- production_history

cum_oil: 36,556 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,162 BBL/mo

Di (annual)

35.5%

b-factor

0.0

EUR

39,273 BBL

R-squared

0.533

type

exponential

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3GRAY OIL & GAS INC.12,0002000-07-13
2GRAY OIL & GAS INC.12,0002000-01-26
1GRAY OIL & GAS INC.12,0001999-08-02
EOF // multi-state drilling data platform // 2026