COCKRELL, ELLIS

Oil · District 10 · Lease #1183

Operator: TRYMA OPERATING

Cum Oil

176k BBL

Cum Gas

527k MCF

casinghead

Wells

29

Production

1993-01 — 2026-04

Peak Month

1996-04

Production History

Cum Oil: 175,613 BBL Cum Gas: 527,244 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,154 BBL/mo

Di (annual)

9.7%

b-factor

0.2

EUR

165,934 BBL

R-squared

0.759

type

hyperbolic

Operator History (from monthly production reports)

2021-04 — 2026-07 LARGE OPERATING LLC 64 mo
2010-07 — 2021-03 GILLROCK OIL COMPANY 129 mo
1998-01 — 2010-06 TRYMA OPERATING 150 mo
1993-01 — 1997-12 S. A. OIL ACCOUNT 60 mo

Wells (29)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
28LARGE OPERATING LLC23,8501978-10-06
29LARGE OPERATING LLC23,8501978-10-06
25LARGE OPERATING LLC23,8501978-07-31
23LARGE OPERATING LLC13,2001978-06-26
24LARGE OPERATING LLC13,2001978-06-26
27LARGE OPERATING LLC13,2001978-06-26
20LARGE OPERATING LLC13,2001978-06-22
21LARGE OPERATING LLC13,2001978-06-22
22LARGE OPERATING LLC13,2001978-06-22
26LARGE OPERATING LLC13,8501978-06-22
30LARGE OPERATING LLC13,2001978-06-22
31LARGE OPERATING LLC13,2001978-06-22
18LARGE OPERATING LLC13,2001978-01-10
19LARGE OPERATING LLC13,2001978-01-10
142-233-83138LARGE OPERATING LLC------
1042-233-83146LARGE OPERATING LLC------
1142-233-83147LARGE OPERATING LLC------
1342-233-83148LARGE OPERATING LLC------
1442-233-83149LARGE OPERATING LLC------
1542-233-83150LARGE OPERATING LLC------
1642-233-83151LARGE OPERATING LLC------
1742-233-83152LARGE OPERATING LLC------
3D42-233-05358LARGE OPERATING LLC------
442-233-83140LARGE OPERATING LLC------
542-233-83141LARGE OPERATING LLC------
642-233-83142LARGE OPERATING LLC------
742-233-05362LARGE OPERATING LLC------
842-233-83144LARGE OPERATING LLC------
942-233-83145LARGE OPERATING LLC------