THOMPSON, I. W. 401

Oil · District 05 · Lease #3736

Operator: UNION OIL COMPANY OF CALIFORNIA

Fields: VAN (SHALLOW)

Cum Oil

82k BBL

Cum Gas

42k MCF

casinghead

Wells

7

Production

2002-05 — 2026-04

Peak Month

2003-03

Production History

Cum Oil: 81,627 BBL Cum Gas: 41,937 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,473 BBL/mo

Di (annual)

38.6%

b-factor

0.4

EUR

73,441 BBL

R-squared

0.929

type

hyperbolic

Operator History (from monthly production reports)

2021-01 — 2026-07 BASA RESOURCES, INC. 67 mo
2002-05 — 2020-12 UNION OIL COMPANY OF CALIFORNIA 224 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
19BASA RESOURCES, INC.33,1502013-12-13
15BASA RESOURCES, INC.33,1102013-12-09
12BASA RESOURCES, INC.32,4402002-10-01
16BASA RESOURCES, INC.32,4252002-10-01
25BASA RESOURCES, INC.21,8502002-06-25
27BASA RESOURCES, INC.32,4502002-04-08
4BASA RESOURCES, INC.12,8002002-04-08