CHICON CREEK

Oil · District 01 · Lease #14898

Operator: TXCO RESOURCES INC.

Cum Oil

56k BBL

Cum Gas

0 MCF

Wells

2

Production

2007-12 — 2016-04

Peak Month

2008-02

Production History

Cum Oil: 56,278 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,507 BBL/mo

Di (annual)

975.6%

b-factor

0.9

EUR

21,427 BBL

R-squared

0.418

type

hyperbolic

Operator History (from monthly production reports)

2008-02 — 2023-10 RIO-TEX, INC. 189 mo
2007-12 — 2008-01 TXCO RESOURCES INC. 2 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1RIO-TEX INC.310,0002009-10-19
2RIO-TEX INC.28,0002009-08-13