MANGOLD, STALEY

Oil · District 09 · Lease #24071

Operator: STEPHENS & JOHNSON OPERATING CO.

Cum Oil

36k BBL

Cum Gas

19 MCF

casinghead

Wells

9

Production

1993-01 — 2013-06

Peak Month

1994-01

Production History

Cum Oil: 36,180 BBL Cum Gas: 19 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

572 BBL/mo

Di (annual)

37.0%

b-factor

0.6

EUR

37,625 BBL

R-squared

0.973

type

hyperbolic

Operator History (from monthly production reports)

1993-09 — 2017-09 STEPHENS & JOHNSON OPERATING CO. 289 mo
1993-01 — 1993-08 S & J OPERATING CO. 8 mo

Wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12LSTEPHENS & JOHNSON OPERATING CO.11,9991985-06-11
13LSTEPHENS & JOHNSON OPERATING CO.11,9991985-06-11
10LSTEPHENS & JOHNSON OPERATING CO.11,9991984-07-19
8LSTEPHENS & JOHNSON OPERATING CO.11,9991984-07-19
9LSTEPHENS & JOHNSON OPERATING CO.11,9991984-07-19
6LSTEPHENS & JOHNSON OPERATING CO.11,9991984-05-11
2LSTEPHENS & JOHNSON OPERATING CO.11,9991984-02-28
3LSTEPHENS & JOHNSON OPERATING CO.11,9991984-02-28
4L42-009-31932STEPHENS & JOHNSON OPERATING CO.------