ISHAM

Oil · District 04 · Lease #10970

Operator: WELDER EXPLORATION & PROD., INC.

Cum Oil

19k BBL

Cum Gas

72 MCF

casinghead

Wells

1

Production

1993-01 — 2012-08

Peak Month

2000-04

Production History

Cum Oil: 19,315 BBL Cum Gas: 72 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

177 BBL/mo

Di (annual)

37.6%

b-factor

0.3

EUR

7,829 BBL

R-squared

0.638

type

hyperbolic

Operator History (from monthly production reports)

2024-04 — 2026-07 CHANDLER OIL & GAS, LLC 28 mo
2022-07 — 2024-03 L.T.D. EXPLORATIONS INC. 21 mo
2015-05 — 2022-06 WELDER EXPLORATION & PROD., INC. 86 mo
2006-06 — 2015-04 CYMRI, L.L.C. 107 mo
2002-06 — 2006-05 CYMRI CORPORATION, THE 48 mo
1998-10 — 2002-05 TRANS-PECOS RESOURCES, INC. 44 mo
1993-01 — 1998-09 KIBBE, ANNA S. 69 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12CHANDLER OIL & GAS LLC13,7451986-01-16