ALLEN, W. C.

Oil · District 7B · Lease #19063

Operator: SEQUOIA ENERGY RESOURCES

Cum Oil

35k BBL

Cum Gas

22 MCF

casinghead

Wells

7

Production

1993-01 — 2023-04

Peak Month

2019-04

Production History

Cum Oil: 34,858 BBL Cum Gas: 22 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

415 BBL/mo

Di (annual)

70.8%

b-factor

0.1

EUR

7,781 BBL

R-squared

0.776

type

hyperbolic

Operator History (from monthly production reports)

2025-02 — 2026-07 DARK CANYON RESOURCES LLC 18 mo
2021-09 — 2025-01 SEQUOIA ENERGY RESOURCES 41 mo
2018-04 — 2021-08 ARCHER PETROLEUM 41 mo
2014-01 — 2018-03 PETEX 51 mo
2012-06 — 2013-12 GROTHE, M.L. EST. 19 mo
2010-07 — 2012-05 M.L. GROTHE CORP. 23 mo
2002-06 — 2010-06 GROTHE, M. L. OIL CO. 97 mo
1993-01 — 2002-05 GROTHE BROS. 113 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9DARK CANYON RESOURCES LLC22,5001990-09-13
8SEQUOIA ENERGY RESOURCES24,2001989-10-31
6DARK CANYON RESOURCES LLC12,9991982-12-09
5DARK CANYON RESOURCES LLC12,9991982-11-15
3DARK CANYON RESOURCES LLC12,0651982-11-05
1DARK CANYON RESOURCES LLC12,0781982-10-27
2DARK CANYON RESOURCES LLC12,9991982-10-27