HUMPHREY

Oil · District 7B · Lease #28317

Operator: SINCLAIR OIL CORPORATION

Cum Oil

11k BBL

Cum Gas

10 MCF

casinghead

Wells

1

Production

1997-08 — 1998-12

Peak Month

1997-10

Production History

Cum Oil: 11,414 BBL Cum Gas: 10 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,770 BBL/mo

Di (annual)

705.3%

b-factor

0.5

EUR

9,382 BBL

R-squared

0.971

type

hyperbolic

Operator History (from monthly production reports)

1997-08 — 1999-10 SINCLAIR OIL CORPORATION 27 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SINCLAIR OIL CORPORATION17,0001997-07-08