MASTEN "J"

Oil · District 8A · Lease #3823

Operator: UNION OIL COMPANY OF CALIFORNIA

Fields: LEVELLAND

Cum Oil

10k BBL

Cum Gas

141k MCF

casinghead

Wells

10

Production

1993-01 — 1994-06

Peak Month

1994-04

Production History

Cum Oil: 9,981 BBL Cum Gas: 140,963 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

816 BBL/mo

Di (annual)

61.9%

b-factor

0.0

EUR

15,809 BBL

R-squared

0.472

type

exponential

Operator History (from monthly production reports)

1993-01 — 1994-10 UNION OIL COMPANY OF CALIFORNIA 22 mo

Wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5TALIS ENERGY INC.24,9451979-12-11
18TALIS ENERGY INC.14,9251978-01-04
142-079-01581TALIS ENERGY INC.------
1042-079-01774TALIS ENERGY INC.------
13D42-079-01593TALIS ENERGY INC.------
1442-079-01298TALIS ENERGY INC.------
1542-079-01299TALIS ENERGY INC.------
1642-079-01300TALIS ENERGY INC.------
842-079-01547TALIS ENERGY INC.------
942-079-00033TALIS ENERGY INC.------