NAIL "B-1"

Oil · District 08 · Lease #27040

Operator: YATES OIL & GAS COMPANY

Cum Oil

75k BBL

Cum Gas

271k MCF

casinghead

Wells

2

Production

1993-01 — 2026-04

Peak Month

2015-02

Production History

Cum Oil: 74,766 BBL Cum Gas: 271,438 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,383 BBL/mo

Di (annual)

76.5%

b-factor

0.3

EUR

53,185 BBL

R-squared

0.854

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 RAFTER T RESOURCES LLC 19 mo
2013-12 — 2024-12 HANNATHON PETROLEUM, LLC 133 mo
2013-10 — 2013-11 TRIVISTA OPERATING LLC 2 mo
2005-08 — 2013-09 TEXAS VANGUARD OIL COMPANY 98 mo
1994-07 — 2005-07 YATES OIL & GAS COMPANY 133 mo
1993-01 — 1994-06 O'BRIEN, GEORGE H. JR. 18 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2RAFTER T RESOURCES LLC113,0002014-10-07
1RAFTER T RESOURCES LLC19,5001981-08-06