LAMBSHEAD D-8

Oil · District 7B · Lease #26697

Operator: TOT RICHARDS FAMILY LP

Cum Oil

538k BBL

Cum Gas

132 MCF

casinghead

Wells

24

Production

1993-01 — 2026-04

Peak Month

1993-09

Production History

Cum Oil: 538,229 BBL Cum Gas: 132 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,510 BBL/mo

Di (annual)

29.0%

b-factor

0.6

EUR

525,371 BBL

R-squared

0.938

type

hyperbolic

Operator History (from monthly production reports)

2025-10 — 2026-07 TOT RICHARDS FAMILY LP 10 mo
1993-01 — 2025-09 RICHARDS, TOT OIL CO. 393 mo

Wells (24)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
S 28TOT RICHARDS FAMILY LP11,5001996-05-15
S 27TOT RICHARDS FAMILY LP11,5001996-05-09
S 25TOT RICHARDS FAMILY LP11,5001994-07-22
S 26TOT RICHARDS FAMILY LP11,5001994-07-22
S 24TOT RICHARDS FAMILY LP12,0001994-07-05
S 22TOT RICHARDS FAMILY LP11,5001994-06-06
S 21TOT RICHARDS FAMILY LP12,0001994-04-25
S 19TOT RICHARDS FAMILY LP12,0001994-04-01
S 18TOT RICHARDS FAMILY LP11,5001994-02-23
S 17TOT RICHARDS FAMILY LP12,0001993-07-19
S 13TOT RICHARDS FAMILY LP12,0001993-06-07
S 14TOT RICHARDS FAMILY LP12,0001993-06-03
S 15TOT RICHARDS FAMILY LP12,0001993-06-03
S 12TOT RICHARDS FAMILY LP12,0001993-05-10
S 11TOT RICHARDS FAMILY LP12,0001993-05-04
S 10TOT RICHARDS FAMILY LP12,0001993-04-27
S 9TOT RICHARDS FAMILY LP12,0001993-04-13
S 8TOT RICHARDS FAMILY LP12,0001993-04-05
S 7TOT RICHARDS FAMILY LP12,0001993-03-23
S 5TOT RICHARDS FAMILY LP12,0001993-02-17
S 4TOT RICHARDS FAMILY LP12,0001993-02-02
S 3TOT RICHARDS FAMILY LP12,0001993-01-20
S 2TOT RICHARDS FAMILY LP12,0001992-12-30
S 1TOT RICHARDS FAMILY LP12,0001992-08-07