HARVARD "D"

Oil · District 08 · Lease #34004

Operator: SCYTHIAN, LTD.

Cum Oil

322k BBL

Cum Gas

100k MCF

casinghead

Wells

1

Production

1993-11 — 2015-06

Peak Month

1993-12

Production History

Cum Oil: 321,926 BBL Cum Gas: 99,867 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,946 BBL/mo

Di (annual)

40.5%

b-factor

0.4

EUR

330,529 BBL

R-squared

0.931

type

hyperbolic

Operator History (from monthly production reports)

2006-05 — 2016-11 PIONEER NATURAL RES. USA, INC. 127 mo
2001-06 — 2006-04 SCYTHIAN, LTD. 59 mo
2001-03 — 2001-05 DEVX OPERATING COMPANY 3 mo
1999-07 — 2001-02 QUEEN SAND OPERATING CO. 20 mo
1997-08 — 1999-06 NORTHLAND OPERATING COMPANY 23 mo
1993-11 — 1997-07 COLLINS & WARE, INC. 45 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PIONEER NATURAL RES. USA INC.112,0001993-09-10