DURRETT

Oil · District 8A · Lease #65642

Operator: WALSH PETROLEUM, INC.

Cum Oil

363k BBL

Cum Gas

147k MCF

casinghead

Wells

10

Production

1993-01 — 2026-04

Peak Month

1993-01

Production History

Cum Oil: 362,695 BBL Cum Gas: 146,961 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,637 BBL/mo

Di (annual)

10.8%

b-factor

0.4

EUR

400,972 BBL

R-squared

0.935

type

hyperbolic

Operator History (from monthly production reports)

2023-01 — 2026-07 SIXESS ENERGY, LLC 43 mo
1995-03 — 2022-12 WALSH PETROLEUM, INC. 334 mo
1993-05 — 1995-02 PARKER & PARSLEY, WPI AGENT 22 mo
1993-01 — 1993-04 WALSH PETROLEUM, INC. 4 mo

Wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9SIXESS ENERGY, LLC15,0001991-04-12
10SIXESS ENERGY, LLC15,0001991-04-10
8SIXESS ENERGY, LLC15,0001990-09-13
6SIXESS ENERGY, LLC15,0001990-08-31
7SIXESS ENERGY, LLC15,0001990-08-31
5SIXESS ENERGY, LLC15,0001989-03-29
3SIXESS ENERGY, LLC15,0001987-11-05
4SIXESS ENERGY, LLC15,0001986-11-24
2SIXESS ENERGY, LLC15,0001986-08-12
1SIXESS ENERGY, LLC15,0001985-10-22