FLUVANNA (MISSISSIPPIAN) UNIT

Oil // district 11 // lease#65515

op: STEPHENS & JOHNSON OPERATING CO.

fields: FLUVANNA

cum_oil

285k BBL

cum_gas

0 MCF

wells

14

production

1993-01 — 2026-03

peak_month

2006-11

-- production_history

cum_oil: 285,478 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,085 BBL/mo

Di (annual)

13.9%

b-factor

0.2

EUR

113,401 BBL

R-squared

0.399

type

hyperbolic

-- wells (14)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
216STEPHENS & JOHNSON OPERATING CO.18,2032010-09-08
104SUPERIOR OIL COMPANY, THE28,5202000-05-24
214STEPHENS & JOHNSON OPERATING CO.19,0001994-04-29
201SUPERIOR OIL COMPANY, THE18,1501986-01-10
107SUPERIOR OIL COMPANY, THE29,0001983-09-08
302SUPERIOR OIL COMPANY, THE18,2071983-09-08
213SUPERIOR OIL COMPANY, THE28,5001983-09-07
10142-033-00956--------
10242-033-00958--------
10342-033-00959--------
20842-033-01162--------
21042-033-00960--------
21142-033-00961--------
21542-033-00964--------
EOF // data source: Texas Railroad Commission // 2026