BLAIR, A.

Oil · District 08 · Lease #4674

Operator: VANGUARD OPERATING, LLC

Fields: PAYTON

Cum Oil

142k BBL

Cum Gas

50k MCF

casinghead

Wells

16

Production

1993-01 — 2020-05

Peak Month

1994-08

Production History

Cum Oil: 141,684 BBL Cum Gas: 49,688 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,000 BBL/mo

Di (annual)

12.2%

b-factor

0.3

EUR

128,528 BBL

R-squared

0.664

type

hyperbolic

Operator History (from monthly production reports)

2025-11 — 2025-12 CRESCENT ENERGY OPERATING, LLC 2 mo
2022-01 — 2025-10 CONTANGO RESOURCES, LLC 46 mo
2021-02 — 2021-12 CONTANGO RESOURCES, INC. 11 mo
2019-09 — 2021-01 GRIZZLY OP OF DELAWARE, LLC 17 mo
2015-11 — 2019-08 VANGUARD OPERATING, LLC 46 mo
2008-05 — 2015-10 EAGLE ROCK OPERATING COMPANY,LLC 90 mo
2005-03 — 2008-04 STANOLIND OPERATING CORP. 38 mo
1993-01 — 2005-02 THREE-B OIL COMPANY, THE 146 mo

Wells (16)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
21CRESCENT ENERGY OPERATING LLC12,5001992-01-28
24CRESCENT ENERGY OPERATING LLC12,5001988-01-28
22CRESCENT ENERGY OPERATING LLC12,5001987-10-09
23CRESCENT ENERGY OPERATING LLC12,5001987-10-09
20CRESCENT ENERGY OPERATING LLC12,3001977-12-28
1342-475-03191CRESCENT ENERGY OPERATING LLC------
1442-475-03190CRESCENT ENERGY OPERATING LLC------
14W42-475-03190CRESCENT ENERGY OPERATING LLC------
1R42-475-03164CRESCENT ENERGY OPERATING LLC------
1W42-475-03164CRESCENT ENERGY OPERATING LLC------
242-475-03165CRESCENT ENERGY OPERATING LLC------
342-475-03167CRESCENT ENERGY OPERATING LLC------
442-475-03163CRESCENT ENERGY OPERATING LLC------
6W42-475-03198CRESCENT ENERGY OPERATING LLC------
842-475-03196CRESCENT ENERGY OPERATING LLC------
942-475-03195CRESCENT ENERGY OPERATING LLC------