HUMPHREY RANCH "A"

Oil · District 09 · Lease #20885

Operator: SENDERO ENERGY INC.

Cum Oil

56k BBL

Cum Gas

21 MCF

casinghead

Wells

7

Production

1993-01 — 2018-06

Peak Month

1993-06

Production History

Cum Oil: 55,971 BBL Cum Gas: 21 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

441 BBL/mo

Di (annual)

11.5%

b-factor

0.3

EUR

59,523 BBL

R-squared

0.485

type

hyperbolic

Operator History (from monthly production reports)

2010-04 — 2026-07 SENDERO ENERGY INC. 196 mo
2008-01 — 2010-03 HEP OIL GP, LLC 27 mo
2001-11 — 2007-12 HEP OIL COMPANY, LTD. 74 mo
1993-01 — 2001-10 BRAMMER SUPPLY, INC. 106 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8SENDERO ENERGY INC.12,4001997-01-24
7SENDERO ENERGY INC.12,9901985-12-27
5 LSENDERO ENERGY INC.12,4901982-02-25
5 USENDERO ENERGY INC.12,4901982-02-25
6SENDERO ENERGY INC.12,4901982-02-25
2SENDERO ENERGY INC.12,4901981-08-10
1SENDERO ENERGY INC.12,2501981-02-11