PUTNAM, T.R.

Oil · District 7B · Lease #8575

Operator: STUBBLEFIELD ENERGY COMPANY

Cum Oil

23k BBL

Cum Gas

66 MCF

casinghead

Wells

14

Production

1993-01 — 2013-11

Peak Month

2003-11

Production History

Cum Oil: 23,054 BBL Cum Gas: 66 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

661 BBL/mo

Di (annual)

353.2%

b-factor

0.5

EUR

4,330 BBL

R-squared

0.502

type

hyperbolic

Operator History (from monthly production reports)

2014-05 — 2026-07 DINO OPERATING LLC 147 mo
2010-07 — 2014-04 BENGAL PETROLEUM USA, LLC 46 mo
2007-07 — 2010-06 CURADO ENERGY RESOURCES INC. 36 mo
2002-04 — 2007-06 P. R. L. OIL COMPANY 63 mo
1998-06 — 2002-03 OHLHAUSEN OIL COMPANY 46 mo
1993-01 — 1998-05 STUBBLEFIELD ENERGY COMPANY 65 mo

Wells (14)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1NDINO OPERATING LLC18001994-11-29
108DINO OPERATING LLC21,0001993-08-26
111DINO OPERATING LLC11,0001984-09-06
104DINO OPERATING LLC11,0001984-06-27
105DINO OPERATING LLC11,0001984-06-27
106DINO OPERATING LLC11,0001984-06-27
101DINO OPERATING LLC11,5001984-02-22
103DINO OPERATING LLC11,5001984-02-22
18DINO OPERATING LLC11,0001981-11-16
13DINO OPERATING LLC21,0001977-10-31
1142-447-30798DINO OPERATING LLC------
242-447-05130DINO OPERATING LLC------
342-447-80907DINO OPERATING LLC------
642-447-30554DINO OPERATING LLC------