GRAY, COLUMBUS, ETAL

Oil · District 10 · Lease #1637

Operator: VAQUERO PERMIAN, LLC

Cum Oil

142k BBL

Cum Gas

0 MCF

Wells

4

Production

1993-01 — 2026-03

Peak Month

2013-01

Production History

Cum Oil: 142,059 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

624 BBL/mo

Di (annual)

8.0%

b-factor

1.0

EUR

150,733 BBL

R-squared

0.536

type

hyperbolic

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1930ENCORE OPERATING, L.P.310,4002004-05-12
1907ENCORE OPERATING, L.P.29,5002003-06-19
1911CHEVRON U. S. A. INC.15,9001980-10-01
17 LCHEVRON U. S. A. INC.26,0001978-09-11
Live © 2026 Petrora