JEFFERY, J. K. -G-

Oil · District 09 · Lease #15307

Operator: RYAN, JOSEPH G.

Cum Oil

64k BBL

Cum Gas

19 MCF

casinghead

Wells

12

Production

1993-01 — 2026-04

Peak Month

1993-05

Production History

Cum Oil: 63,756 BBL Cum Gas: 19 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

520 BBL/mo

Di (annual)

29.0%

b-factor

0.6

EUR

41,874 BBL

R-squared

0.587

type

hyperbolic

Operator History (from monthly production reports)

2026-06 — 2026-07 ROIL OPERATING LLC 2 mo
2023-07 — 2026-05 RYAN, JOSEPH G. 35 mo
2009-10 — 2023-06 HUGHES, BILL DRILLING, INC. 165 mo
2003-03 — 2009-09 HUGHES & NEAL OPERATING 79 mo
2002-05 — 2003-02 COOPER OPERATING 10 mo
1993-01 — 2002-04 3-C 112 mo

Wells (12)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
28RYAN, JOSEPH G.18501990-10-04
1RYAN, JOSEPH G.18001990-01-05
27RYAN, JOSEPH G.18001990-01-05
25RYAN, JOSEPH G.18501985-04-18
20RYAN, JOSEPH G.18001984-09-12
21RYAN, JOSEPH G.18001984-09-04
11W42-503-83869RYAN, JOSEPH G.------
1242-503-83870RYAN, JOSEPH G.------
1442-503-83872RYAN, JOSEPH G.------
1542-503-83873RYAN, JOSEPH G.------
18W42-503-83874RYAN, JOSEPH G.------
19W42-503-83873RYAN, JOSEPH G.------