FEDERAL ROYALTY CO., ETAL -A-

Oil // district 1 // lease#2084

op: PETROSAURUS, INC.

fields: SOMERSET

cum_oil

11k BBL

cum_gas

0 MCF

wells

11

production

1993-01 — 2026-03

peak_month

1996-03

-- production_history

cum_oil: 10,512 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

75 BBL/mo

Di (annual)

20.6%

b-factor

0.7

EUR

8,603 BBL

R-squared

0.416

type

hyperbolic

-- wells (11)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12DEVON ENERGY CORPORATION(NEVADA)11,6501992-11-24
13DEVON ENERGY CORPORATION(NEVADA)11,6501992-11-24
14ATDEVON ENERGY CORPORATION(NEVADA)12,1501992-11-24
11TEXAS AMERICAN OIL CORP.11,6401981-01-27
10SCHIMMEL, V. I.11,6101980-01-09
9SCHIMMEL, V. I.11,5901980-01-09
7WSCHIMMEL, V. I.11,5751979-09-19
8WSCHIMMEL, V. I.11,5001979-09-19
142-013-00141--------
242-013-00138--------
442-013-00150--------
EOF // multi-state drilling data platform // 2026