PROCTOR "21"

Oil · District 7C · Lease #7692

Operator: ROBERTS & HAMMACK, INC.

Fields: CALVIN (DEAN)

Cum Oil

3k BBL

Cum Gas

9k MCF

casinghead

Wells

1

Production

1993-01 — 1995-10

Peak Month

1994-06

Production History

Cum Oil: 3,274 BBL Cum Gas: 8,749 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

170 BBL/mo

Di (annual)

79.9%

b-factor

0.0

EUR

2,535 BBL

R-squared

0.600

type

exponential

Operator History (from monthly production reports)

1993-01 — 1996-01 ROBERTS & HAMMACK, INC. 37 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4PIONEER NATURAL RES. USA INC.19,2001978-10-16