HARTUNG -A-

Oil // district 1 // lease#1651

op: SEAGULL OPERATING CO., INC.

fields: SOMERSET

cum_oil

131k BBL

cum_gas

0 MCF

wells

34

production

1993-01 — 2026-03

peak_month

1997-12

-- production_history

cum_oil: 130,873 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

968 BBL/mo

Di (annual)

12.8%

b-factor

0.1

EUR

99,453 BBL

R-squared

0.901

type

hyperbolic

-- wells (34)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
31SEAGULL OPERATING CO. INC.11,7001997-01-06
32SEAGULL OPERATING CO. INC.11,7001997-01-06
33SEAGULL OPERATING CO. INC.11,7001997-01-06
34SEAGULL OPERATING CO. INC.11,7001997-01-06
35SEAGULL OPERATING CO. INC.11,7001997-01-06
26SEAGULL OPERATING CO. INC.11,7001995-10-24
27SEAGULL OPERATING CO. INC.11,7001995-10-24
28SEAGULL OPERATING CO. INC.11,7001995-10-24
29SEAGULL OPERATING CO. INC.11,7001995-10-24
30SEAGULL OPERATING CO. INC.11,7001995-10-24
19SEAGULL OPERATING CO. INC.11,6001993-05-20
20SEAGULL OPERATING CO. INC.11,6001993-05-20
21SEAGULL OPERATING CO. INC.11,6001993-05-20
22SEAGULL OPERATING CO. INC.11,6001993-05-20
23SEAGULL OPERATING CO. INC.11,6001993-05-20
24SEAGULL OPERATING CO. INC.11,6001993-05-20
25SEAGULL OPERATING CO. INC.11,6001993-05-20
18SEAGULL OPERATING CO. INC.11,6001992-12-22
1042-013-30100--------
1142-013-30101--------
1242-013-30076--------
1342-013-30085--------
1442-013-30082--------
1542-013-30083--------
1642-013-30077--------
1742-013-30084--------
242-013-03063--------
342-013-03093--------
442-013-80915--------
542-013-03094--------
642-013-03131--------
742-013-03130--------
842-013-03137--------
942-013-30103--------
EOF // data source: Texas Railroad Commission // 2026