GRIGSBY

Oil · District 09 · Lease #7179

Operator: QUATRO OIL AND GAS, INC.

Cum Oil

74k BBL

Cum Gas

79 MCF

casinghead

Wells

11

Production

1993-01 — 2026-04

Peak Month

2008-04

Production History

Cum Oil: 74,281 BBL Cum Gas: 79 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

252 BBL/mo

Di (annual)

5.9%

b-factor

0.0

EUR

48,627 BBL

R-squared

0.368

type

exponential

Operator History (from monthly production reports)

1995-06 — 2026-07 QUATRO OIL AND GAS, INC. 374 mo
1993-01 — 1995-05 MITCHELL OIL COMPANY 29 mo

Wells (11)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11QUATRO OIL AND GAS, INC.14,3001999-10-05
10QUATRO OIL AND GAS, INC.14,9501985-06-27
9QUATRO OIL AND GAS, INC.14,5001984-05-10
8QUATRO OIL AND GAS, INC.14,5001982-08-19
7QUATRO OIL AND GAS, INC.14,9991982-04-29
6QUATRO OIL AND GAS, INC.14,6001979-10-24
5QUATRO OIL AND GAS, INC.14,6001979-10-09
4QUATRO OIL AND GAS, INC.14,8001978-03-15
3QUATRO OIL AND GAS, INC.14,6001977-08-29
142-503-80510QUATRO OIL AND GAS, INC.------
242-503-06575QUATRO OIL AND GAS, INC.------