WILLIAMSON 85

Oil · District 09 · Lease #25851

Operator: TRI-MC OIL CO.

Cum Oil

91k BBL

Cum Gas

21 MCF

casinghead

Wells

3

Production

1993-01 — 2026-04

Peak Month

2001-08

Production History

Cum Oil: 91,342 BBL Cum Gas: 21 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

479 BBL/mo

Di (annual)

7.3%

b-factor

0.0

EUR

76,608 BBL

R-squared

0.346

type

exponential

Operator History (from monthly production reports)

2023-01 — 2026-07 MCCAULEY PRODUCTION 43 mo
1993-01 — 2022-12 TRI-MC OIL CO. 360 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4MCCAULEY PRODUCTION11,9991988-09-21
3MCCAULEY PRODUCTION12,0001986-11-25
2MCCAULEY PRODUCTION12,1501985-02-25