BLACK RANCH "C"

Oil // district 8 // lease#27287

op: WHEAT, BUCK RESOURCES, INC.

cum_oil

64k BBL

cum_gas

0 MCF

wells

5

production

1994-09 — 1999-07

peak_month

1995-09

-- production_history

cum_oil: 64,015 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,683 BBL/mo

Di (annual)

51.5%

b-factor

1.8

EUR

223,210 BBL

R-squared

0.768

type

hyperbolic

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5STATEX PETROLEUM INC.13,4001996-06-24
4WHEAT, BUCK RESOURCES, INC.13,5001995-08-18
3WHEAT, BUCK RESOURCES, INC.13,5001995-06-08
2WHEAT, BUCK RESOURCES, INC.13,5001994-10-17
1WHEAT, BUCK RESOURCES, INC.13,5001994-08-26
EOF // data source: Texas Railroad Commission // 2026