SIRES

Oil · District 8A · Lease #63421

Operator: BYRD OPERATING COMPANY

Fields: WELCH

Cum Oil

183k BBL

Cum Gas

13k MCF

casinghead

Wells

6

Production

1993-01 — 2026-04

Peak Month

1993-01

Production History

Cum Oil: 182,751 BBL Cum Gas: 12,950 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,066 BBL/mo

Di (annual)

8.4%

b-factor

0.4

EUR

195,357 BBL

R-squared

0.920

type

hyperbolic

Operator History (from monthly production reports)

1993-01 — 2026-07 BYRD OPERATING COMPANY 403 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6BYRD OPERATING COMPANY15,0001984-08-31
5BYRD OPERATING COMPANY15,0001982-12-14
4BYRD OPERATING COMPANY15,0001982-07-16
3BYRD OPERATING COMPANY15,0001982-03-08
2BYRD OPERATING COMPANY15,0001981-09-08
1BYRD OPERATING COMPANY15,0001981-06-22