CHALK -A-

Oil · District 08 · Lease #41129

Operator: SWEET CRUDE OPERATING LLC

Cum Oil

126k BBL

Cum Gas

0 MCF

Wells

10

Production

2011-12 — 2026-04

Peak Month

2016-06

Production History

Cum Oil: 125,728 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,130 BBL/mo

Di (annual)

12.7%

b-factor

0.4

EUR

151,489 BBL

R-squared

0.826

type

hyperbolic

Operator History (from monthly production reports)

2026-02 — 2026-07 SWEET CRUDE OPERATING LLC 6 mo
2011-12 — 2026-01 EXCEL ENERGY CO. 170 mo

Wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11SWEET CRUDE OPERATING LLC37,4752005-10-24
10SWEET CRUDE OPERATING LLC12,6001987-08-24
9SWEET CRUDE OPERATING LLC13,1001986-12-16
8SWEET CRUDE OPERATING LLC13,1001986-08-14
142-227-00163SWEET CRUDE OPERATING LLC------
242-227-04330SWEET CRUDE OPERATING LLC------
342-227-02479SWEET CRUDE OPERATING LLC------
542-227-02478SWEET CRUDE OPERATING LLC------
642-227-02481SWEET CRUDE OPERATING LLC------
742-227-30036SWEET CRUDE OPERATING LLC------