JATEN STAR

Oil · District 10 · Lease #5533

Operator: WINCHESTER OIL & GAS LLC

Cum Oil

35k BBL

Cum Gas

1.4M MCF

casinghead

Wells

44

Production

1993-01 — 2020-10

Peak Month

1994-10

Production History

Cum Oil: 34,857 BBL Cum Gas: 1,352,269 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

509 BBL/mo

Di (annual)

44.9%

b-factor

0.4

EUR

21,974 BBL

R-squared

0.776

type

hyperbolic

Operator History (from monthly production reports)

2024-10 — 2026-07 WINCHESTER OIL & GAS LLC 22 mo
1993-01 — 2024-09 AMERICAN STAR ENERGY & MIN. CORP 381 mo

Wells (44)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1137WINCHESTER OIL & GAS LLC13,3001984-10-24
1134WINCHESTER OIL & GAS LLC13,3001984-10-18
1001AMERICAN STAR ENERGY & MIN. CORP23,4001984-09-25
1210WINCHESTER OIL & GAS LLC13,4001984-09-13
1258WINCHESTER OIL & GAS LLC13,1001984-06-28
1004WINCHESTER OIL & GAS LLC13,3501983-09-22
1012WINCHESTER OIL & GAS LLC13,3501983-09-22
1049WINCHESTER OIL & GAS LLC13,3501983-09-22
1053WINCHESTER OIL & GAS LLC13,3501983-09-22
1101WINCHESTER OIL & GAS LLC13,3001983-09-22
1105WINCHESTER OIL & GAS LLC13,3001983-09-22
1123WINCHESTER OIL & GAS LLC13,3001983-09-22
1145WINCHESTER OIL & GAS LLC13,3001983-09-22
1147WINCHESTER OIL & GAS LLC13,3001983-09-22
1161WINCHESTER OIL & GAS LLC13,3001983-09-22
1163WINCHESTER OIL & GAS LLC13,3001983-09-22
1238WINCHESTER OIL & GAS LLC13,3001983-09-22
1252WINCHESTER OIL & GAS LLC13,3001983-09-22
1009WINCHESTER OIL & GAS LLC13,3501983-09-21
902WINCHESTER OIL & GAS LLC13,3501983-09-21
318WINCHESTER OIL & GAS LLC13,2001983-09-16
903WINCHESTER OIL & GAS LLC13,3501983-09-16
904WINCHESTER OIL & GAS LLC13,3501983-09-16
905WINCHESTER OIL & GAS LLC13,3501983-09-16
906WINCHESTER OIL & GAS LLC13,3501983-09-16
1260WINCHESTER OIL & GAS LLC13,3001983-09-13
0338WINCHESTER OIL & GAS LLC13,2001983-08-09
0330WINCHESTER OIL & GAS LLC13,2001983-08-04
361WINCHESTER OIL & GAS LLC13,2001983-08-01
0332WINCHESTER OIL & GAS LLC13,2001983-07-27
0340WINCHESTER OIL & GAS LLC13,2001983-07-21
0348WINCHESTER OIL & GAS LLC13,2001983-07-19
0322WINCHESTER OIL & GAS LLC13,2001983-07-13
362WINCHESTER OIL & GAS LLC13,2001983-07-13
364WINCHESTER OIL & GAS LLC13,2001983-07-06
346WINCHESTER OIL & GAS LLC13,2001983-06-27
0354WINCHESTER OIL & GAS LLC13,2001983-06-21
356WINCHESTER OIL & GAS LLC13,2001983-06-13
0304WINCHESTER OIL & GAS LLC13,2001983-06-06
0306WINCHESTER OIL & GAS LLC13,2001983-06-06
0308WINCHESTER OIL & GAS LLC13,2001983-06-06
0312WINCHESTER OIL & GAS LLC13,2001983-06-06
0314WINCHESTER OIL & GAS LLC13,2001983-06-06
316WINCHESTER OIL & GAS LLC13,2001983-06-06