SHANKLIN, HARVEY S.

Oil · District 01 · Lease #1686

Operator: WINDMILL OIL COMPANY

Fields: SPILLER

Cum Oil

74k BBL

Cum Gas

772 MCF

casinghead

Wells

18

Production

1993-01 — 2026-04

Peak Month

1996-02

Production History

Cum Oil: 73,893 BBL Cum Gas: 772 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

402 BBL/mo

Di (annual)

6.5%

b-factor

0.0

EUR

71,625 BBL

R-squared

0.672

type

exponential

Operator History (from monthly production reports)

2006-09 — 2026-07 PRONTO SERVICES 239 mo
1999-06 — 2006-08 WINDMILL OIL COMPANY 87 mo
1996-01 — 1999-05 CADDELL WELL SERVICE, INC. 41 mo
1993-01 — 1995-12 PRATT, GRIFFITH, TETEN 36 mo

Wells (18)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
21PRONTO SERVICES12,4001983-07-06
23PRONTO SERVICES12,4001981-05-01
18PRONTO SERVICES12,4001980-08-19
17PRONTO SERVICES12,4001979-09-27
11PRONTO SERVICES12,4001979-09-21
12PRONTO SERVICES12,4001979-09-21
13PRONTO SERVICES12,4001979-09-21
14PRONTO SERVICES12,4001979-09-21
15PRONTO SERVICES12,4001979-09-21
16PRONTO SERVICES12,4001979-09-21
142-187-00245PRONTO SERVICES------
1042-187-03384PRONTO SERVICES------
342-187-00247PRONTO SERVICES------
542-187-03035PRONTO SERVICES------
642-187-03036PRONTO SERVICES------
742-187-03232PRONTO SERVICES------
842-187-03231PRONTO SERVICES------
942-187-03385PRONTO SERVICES------