ROBBINS, J.A.

Oil · District 7B · Lease #14074

Operator: PETEX

Cum Oil

80k BBL

Cum Gas

4k MCF

casinghead

Wells

4

Production

1993-01 — 2026-04

Peak Month

1994-05

Production History

Cum Oil: 80,107 BBL Cum Gas: 3,895 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

671 BBL/mo

Di (annual)

13.4%

b-factor

0.1

EUR

66,314 BBL

R-squared

0.735

type

hyperbolic

Operator History (from monthly production reports)

2010-01 — 2026-07 PETEX 199 mo
2001-08 — 2009-12 MCCLYMOND, LTD. 101 mo
1994-12 — 2001-07 MCCLYMOND, INC. 80 mo
1993-01 — 1994-11 PARKER & PARSLEY DEVELOPMENT CO. 23 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5PETEX13,3001980-04-01
4PETEX13,3001979-12-11
1PETEX13,3501979-10-25
242-429-31302PETEX------