ARMSTRONG, ANNIE

Oil · District 8A · Lease #65765

Operator: XTO ENERGY INC.

Fields: WASSON 72

Cum Oil

271k BBL

Cum Gas

104k MCF

casinghead

Wells

2

Production

1993-01 — 2023-07

Peak Month

2006-12

Production History

Cum Oil: 270,540 BBL Cum Gas: 103,841 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,715 BBL/mo

Di (annual)

28.6%

b-factor

0.0

EUR

114,001 BBL

R-squared

0.818

type

exponential

Operator History (from monthly production reports)

2001-06 — 2024-03 XTO ENERGY INC. 274 mo
1997-07 — 2001-05 CROSS TIMBERS OPERATING COMPANY 47 mo
1993-01 — 1997-06 EXXON CORP. 54 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
18XTO ENERGY INC.18,5002004-09-15
17XTO ENERGY INC.18,3001986-01-14