BRAY-DONNELL

Oil // district 13 // lease#19432

op: VORTT EXPLORATION COMPANY, INC.

cum_oil

5k BBL

cum_gas

0 MCF

wells

3

production

1993-01 — 2026-03

peak_month

1997-05

-- production_history

cum_oil: 4,618 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

268 BBL/mo

Di (annual)

229.8%

b-factor

0.5

EUR

2,630 BBL

R-squared

0.525

type

hyperbolic

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3VORTT EXPLORATION COMPANY, INC.24,8001996-11-07
2DVORTT EXPLORATION COMPANY, INC.11,2101980-08-20
1VORTT EXPLORATION COMPANY, INC.14,7001979-03-21
EOF // data source: Texas Railroad Commission // 2026