ROBERTSON, J.B.

Oil · District 8A · Lease #67562

Operator: TEXACO E & P INC.

Cum Oil

69k BBL

Cum Gas

26k MCF

casinghead

Wells

2

Production

1995-09 — 2020-10

Peak Month

1997-10

Production History

Cum Oil: 69,007 BBL Cum Gas: 26,137 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

470 BBL/mo

Di (annual)

13.8%

b-factor

0.1

EUR

45,125 BBL

R-squared

0.608

type

hyperbolic

Operator History (from monthly production reports)

2017-10 — current SABINAL ENERGY OPERATING, LLC 37 mo
2002-06 — 2017-09 CHEVRON U. S. A. INC. 184 mo
1995-09 — 2002-05 TEXACO E & P INC. 81 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
56ASABINAL ENERGY OPERATING, LLC24,8002004-03-24
500BCE-MACH III LLC15,8001995-11-09