WHITTEN, J. H.

Oil · District 09 · Lease #27597

Operator: UPHAM OIL & GAS COMPANY

Cum Oil

214k BBL

Cum Gas

2.5M MCF

casinghead

Wells

7

Production

1993-01 — 2026-04

Peak Month

1998-04

Production History

Cum Oil: 213,774 BBL Cum Gas: 2,526,694 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,060 BBL/mo

Di (annual)

15.6%

b-factor

0.1

EUR

174,732 BBL

R-squared

0.613

type

hyperbolic

Operator History (from monthly production reports)

1993-01 — 2026-07 UPHAM OIL & GAS COMPANY 403 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9UPHAM OIL & GAS COMPANY16,5001997-08-19
8UPHAM OIL & GAS COMPANY16,5001997-07-07
7UPHAM OIL & GAS COMPANY16,2001993-02-19
6UPHAM OIL & GAS COMPANY26,5001992-03-05
142-497-02125UPHAM OIL & GAS COMPANY------
342-497-00723UPHAM OIL & GAS COMPANY------
542-497-00724UPHAM OIL & GAS COMPANY------