BRANTLEY JACKSON SMACKOVER UNIT

Oil // district 5 // lease#1887

op: SULPHUR RIVER EXPLORATION, INC.

cum_oil

2.2M BBL

cum_gas

0 MCF

wells

16

production

1993-01 — 2026-03

peak_month

1993-07

-- production_history

cum_oil: 2,171,695 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

14,263 BBL/mo

Di (annual)

9.1%

b-factor

0.3

EUR

2,320,696 BBL

R-squared

0.951

type

hyperbolic

-- wells (16)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
404SULPHUR RIVER EXPLORATION, INC.19,6001998-03-09
4001SULPHUR RIVER EXPLORATION, INC.19,3101993-06-03
401SULPHUR RIVER EXPLORATION, INC.19,3101993-06-03
502OXY USA INC.19,5001990-10-09
305CITIES SERVICE OIL & GAS CORP.19,6001984-08-29
403CITIES SERVICE COMPANY19,3521982-04-13
110142-223-00015--------
20142-223-00026--------
30142-223-00127--------
302W42-223-30022--------
303WS42-223-30028--------
30442-223-30094--------
402W42-223-30030--------
50142-223-20050--------
60142-223-20052--------
701W42-223-00582--------
EOF // multi-state drilling data platform // 2026