COGDELL, D. M.

Oil · District 8A · Lease #66719

Operator: SPALDING ENERGY, INC.

Cum Oil

131k BBL

Cum Gas

21 MCF

casinghead

Wells

3

Production

1993-01 — 2026-04

Peak Month

1993-01

Production History

Cum Oil: 131,261 BBL Cum Gas: 21 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

499 BBL/mo

Di (annual)

3.1%

b-factor

0.0

EUR

152,062 BBL

R-squared

0.580

type

exponential

Operator History (from monthly production reports)

1993-01 — 2026-07 SPALDING ENERGY, INC. 403 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3SPALDING ENERGY, INC.11,9991991-10-28
2SPALDING ENERGY, INC.12,0001991-08-19
1SPALDING ENERGY, INC.22,0001991-03-20