BLOCK 31 UNIT

Oil · District 08 · Lease #21639

Operator: OXY USA INC.

Cum Oil

10k BBL

Cum Gas

97k MCF

casinghead

Wells

8

Production

1993-01 — 2006-05

Peak Month

2006-04

Production History

Cum Oil: 10,188 BBL Cum Gas: 96,861 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

391 BBL/mo

Di (annual)

20.6%

b-factor

0.0

EUR

22,759 BBL

R-squared

0.752

type

exponential

Operator History (from monthly production reports)

2026-05 — 2026-07 HILCORP ENERGY COMPANY 3 mo
2010-11 — 2026-04 OXY USA INC. 186 mo
2002-01 — 2010-10 BP AMERICA PRODUCTION COMPANY 106 mo
1994-06 — 2001-12 ARCO PERMIAN 91 mo
1993-01 — 1994-05 ARCO OIL & GAS CO. 17 mo

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
P 10 UOXY USA INC.19,0812019-08-26
P 14 UOXY USA INC.29,1002019-07-30
A 7AUOXY USA INC.19,0502019-04-05
T 4NUOXY USA INC.49,1002013-03-12
A 6SOXY USA INC.29,0802004-08-18
E 9OXY USA INC.29,2501989-09-13
C 4 UOXY USA INC.19,0001977-06-13
S 4 U42-103-05286OXY USA INC.------