GILLESPIE

Oil · District 09 · Lease #13063

Operator: SELF, CHARLES D.

Cum Oil

15k BBL

Cum Gas

21 MCF

casinghead

Wells

9

Production

1993-01 — 2026-04

Peak Month

1993-05

Production History

Cum Oil: 14,769 BBL Cum Gas: 21 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

137 BBL/mo

Di (annual)

24.4%

b-factor

0.6

EUR

12,728 BBL

R-squared

0.661

type

hyperbolic

Operator History (from monthly production reports)

2016-10 — 2026-07 CHARLES D. SELF OPERATING, LLC 118 mo
1993-01 — 2016-09 SELF, CHARLES D. 285 mo

Wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9CHARLES D. SELF OPERATING, LLC18001986-09-30
8CHARLES D. SELF OPERATING, LLC16001984-10-10
142-237-82671CHARLES D. SELF OPERATING, LLC------
242-237-30825CHARLES D. SELF OPERATING, LLC------
342-237-30903CHARLES D. SELF OPERATING, LLC------
442-237-30973CHARLES D. SELF OPERATING, LLC------
542-237-31045CHARLES D. SELF OPERATING, LLC------
642-237-31044CHARLES D. SELF OPERATING, LLC------
742-237-31195CHARLES D. SELF OPERATING, LLC------