MONTALVO, I.V. -C-

Oil · District 04 · Lease #11649

Operator: ORYX ENERGY COMPANY

Cum Oil

110k BBL

Cum Gas

103k MCF

casinghead

Wells

1

Production

1993-01 — 2003-06

Peak Month

1993-08

Production History

Cum Oil: 109,689 BBL Cum Gas: 103,368 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,368 BBL/mo

Di (annual)

36.2%

b-factor

0.2

EUR

97,894 BBL

R-squared

0.790

type

hyperbolic

Operator History (from monthly production reports)

1999-10 — 2005-09 KERR-MCGEE OIL & GAS ONSHORE LLC 72 mo
1999-04 — 1999-09 KERR-MCGEE CORPORATION 6 mo
1993-01 — 1999-03 ORYX ENERGY COMPANY 75 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
29ORYX ENERGY COMPANY37,2541989-04-19