TINNEY ESTATE

Oil · District 04 · Lease #8759

Operator: NORCO OIL & GAS, INC.

Cum Oil

46k BBL

Cum Gas

6 MCF

casinghead

Wells

5

Production

1993-01 — 2026-01

Peak Month

2009-04

Production History

Cum Oil: 46,444 BBL Cum Gas: 6 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

522 BBL/mo

Di (annual)

62.1%

b-factor

0.4

EUR

16,427 BBL

R-squared

0.467

type

hyperbolic

Operator History (from monthly production reports)

1993-05 — 2026-07 CHAPCO, INC. 399 mo
1993-01 — 1993-04 NORCO OIL & GAS, INC. 4 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3CCHAPCO, INC.14,0002009-03-05
2 CCHAPCO, INC.24,0002008-09-26
1CHAPCO, INC.13,7001997-04-04
5CHAPCO, INC.13,6001979-10-26
442-131-31820CHAPCO, INC.------