CHAPMAN, J. D.

Oil · District 04 · Lease #8585

Operator: TEXACO E & P INC.

Fields: CHAPMAN RANCH (0-14)

Cum Oil

23k BBL

Cum Gas

9k MCF

casinghead

Wells

3

Production

1993-01 — 1995-02

Peak Month

1993-11

Production History

Cum Oil: 22,958 BBL Cum Gas: 8,748 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,389 BBL/mo

Di (annual)

77.5%

b-factor

0.0

EUR

21,502 BBL

R-squared

0.476

type

exponential

Operator History (from monthly production reports)

2002-05 — 2002-12 NEG OPERATING LLC 8 mo

1999-09 — 2002-04 SHANA PETROLEUM COMPANY 32 mo

1996-04 — 1999-08 SHELL WESTERN E&P INC. 41 mo

1994-08 — 1996-03 ROYAL PRODUCTION COMPANY, INC. 20 mo

1993-01 — 1994-07 TEXACO E & P INC. 19 mo

Wells (3)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
118	42-355-30795	NEG OPERATING LLC	2	4,612	1986-11-24
69 F	42-355-30456	NEG OPERATING LLC	1	7,400	1983-07-06
69 H	42-355-30456	NEG OPERATING LLC	1	7,400	1983-07-06