CHAPA

Oil · District 04 · Lease #12477

Operator: CHAPCO, INC.

Cum Oil

37k BBL

Cum Gas

13k MCF

casinghead

Wells

4

Production

1995-07 — 2026-01

Peak Month

1997-02

Production History

Cum Oil: 37,190 BBL Cum Gas: 13,316 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

571 BBL/mo

Di (annual)

95.3%

b-factor

0.6

EUR

16,094 BBL

R-squared

0.502

type

hyperbolic

Operator History (from monthly production reports)

1995-07 — 2026-07 CHAPCO, INC. 373 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6CHAPCO INC.23,0002003-08-06
4CHAPCO INC.12,6001996-01-17
3CHAPCO INC.13,7001995-12-15
1CHAPCO INC.13,8001995-02-07