BLACKWATCH (SAN ANDRES) UNIT

Oil · District 8A · Lease #67777

Operator: UNION OIL COMPANY OF CALIFORNIA

Cum Oil

3.5M BBL

Cum Gas

1.6M MCF

casinghead

Wells

21

Production

1997-09 — 2020-02

Peak Month

1998-07

Production History

Cum Oil: 3,499,845 BBL Cum Gas: 1,622,388 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

27,641 BBL/mo

Di (annual)

10.3%

b-factor

0.4

EUR

4,376,003 BBL

R-squared

0.953

type

hyperbolic

Operator History (from monthly production reports)

2017-10 — 2020-10 SABINAL ENERGY OPERATING, LLC 37 mo
2006-04 — 2017-09 CHEVRON MIDCONTINENT, L.P. 138 mo
2000-06 — 2006-03 PURE RESOURCES, L.P. 70 mo
1997-09 — 2000-05 UNION OIL COMPANY OF CALIFORNIA 33 mo

Wells (21)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
112BCE-MACH III LLC27,3002007-07-23
202BCE-MACH III LLC14,7501997-10-13
201BCE-MACH III LLC14,7501997-10-08
203BCE-MACH III LLC14,7501997-10-08
211BCE-MACH III LLC14,7501997-10-08
213BCE-MACH III LLC14,7501997-10-08
214BCE-MACH III LLC14,7501997-10-08
231BCE-MACH III LLC14,7501997-10-08
212BCE-MACH III LLC14,7501997-10-03
22BCE-MACH III LLC14,8001996-10-22
23BCE-MACH III LLC14,8001996-10-17
25BCE-MACH III LLC14,7001996-10-14
14BCE-MACH III LLC14,8001996-01-04
24BCE-MACH III LLC14,8001996-01-04
4BCE-MACH III LLC24,8001996-01-04
1BCE-MACH III LLC14,6801995-08-04
11BCE-MACH III LLC14,6801995-08-04
12BCE-MACH III LLC14,6801995-08-04
2BCE-MACH III LLC14,6801995-08-04
3BCE-MACH III LLC14,6801995-08-04
13BCE-MACH III LLC14,8001995-04-05