BLACKWATCH (SAN ANDRES) UNIT

Oil // district 11 // lease#67777

op: UNION OIL COMPANY OF CALIFORNIA

cum_oil

3.5M BBL

cum_gas

0 MCF

wells

21

production

1997-09 — 2020-10

peak_month

1998-05

-- production_history

cum_oil: 3,499,845 BBL cum_gas: 0 MCF

-- 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

-- wells (21)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
112UNION OIL COMPANY OF CALIFORNIA27,3002007-07-23
202UNION OIL COMPANY OF CALIFORNIA14,7501997-10-13
201UNION OIL COMPANY OF CALIFORNIA14,7501997-10-08
203UNION OIL COMPANY OF CALIFORNIA14,7501997-10-08
211UNION OIL COMPANY OF CALIFORNIA14,7501997-10-08
213UNION OIL COMPANY OF CALIFORNIA14,7501997-10-08
214UNION OIL COMPANY OF CALIFORNIA14,7501997-10-08
231UNION OIL COMPANY OF CALIFORNIA14,7501997-10-08
212UNION OIL COMPANY OF CALIFORNIA14,7501997-10-03
22UNION OIL COMPANY OF CALIFORNIA14,8001996-10-22
23UNION OIL COMPANY OF CALIFORNIA14,8001996-10-17
25UNION OIL COMPANY OF CALIFORNIA14,7001996-10-14
14UNION OIL COMPANY OF CALIFORNIA14,8001996-01-04
24UNION OIL COMPANY OF CALIFORNIA14,8001996-01-04
4UNION OIL COMPANY OF CALIFORNIA24,8001996-01-04
1UNION OIL COMPANY OF CALIFORNIA14,6801995-08-04
11UNION OIL COMPANY OF CALIFORNIA14,6801995-08-04
12UNION OIL COMPANY OF CALIFORNIA14,6801995-08-04
2UNION OIL COMPANY OF CALIFORNIA14,6801995-08-04
3UNION OIL COMPANY OF CALIFORNIA14,6801995-08-04
13UNION OIL COMPANY OF CALIFORNIA14,8001995-04-05
EOF // multi-state drilling data platform // 2026