8/11/2019 Santa Rosa-01. Crude Assay Final (1)

1/3

Units AnalystDateMethodResultTest

Analytical Report

Sample Number: 141988-001

Date Reported: 8/10/2004

CORE LABORATORIES

CARRERA 39 NO 168-52/56

SANTA FE DE BOGOTA, D.C.

COLUMBIA SOUTH AMERICA,

Date Received: 5/14/2004

Description: Petrotesting

Sample Date:

Sample ID: Santa Rosa 1 Crude

Sample as Received

URIEL SANCHEZ

CORE LABORATORIES

8210 Mosley Rd.

Houston, TX 77075

713 943-9776 Telephone

713 943-3846 Facsimile

Distillation Data

Deg @ 60 F15.9 DBC5/20/2004ASTM D-287API Gravity

60/60 Deg. F0.9600 ASTM D-1298Specific Gravity

mg KOH/g3.02 CB5/19/2004ASTM D-664Acid Number

WT %2.2 JT5/20/2004ASTM D-6560Asphaltene

WT %8.31 JM5/19/2004ASTM D-4530Carbon Residue-Micro

cSt @90F2152 VS5/24/2004ASTM D-445Kinematic Viscosity

cSt @122 F518 JM6/7/2004ASTM D-445Kinematic Viscosity

cSt @210 F42.21 VS6/1/2004ASTM D-445Kinematic Viscosity

cSt @90 f2113 VS6/1/2004ASTM D-445 RCKKinematic Viscosity

Light Ends Analysis

LV %0.01 CCASTM D-5134Mod.Methane

LV %0.01Ethane

LV %< 0.01Propane

LV %< 0.01Iso-Butane

LV %< 0.01N-Butane

LV %< 0.01Neopentane

LV %0.01Iso-Pentane

LV %< 0.01N-Pentane

LV %0.64Hexanes

LV %99.32Heptanes Plus

Metals By ICP

ppm wt40 KC5/20/2004ASTM D-5708Nickel

ppm wt3352 CB6/9/2004ASTM D-4629Nitrogen Total by Chemilum.

Page 1

The analytical results, opinions or interpretations contained in this report are based upon information and material supplied by the client for whose exclusive and confidential use this report has beenmade. The analytical results, opinions or interpretations expressed represent the best judgment of Core Laboratories. Core Laboratories, however, makes no warranty or representation, express orimplied, of any type, and expressly disclaims same as to the productivity, proper operations or profitableness of any oil, gas, coal, or other mineral, property, well or sand in connection with which suchreport is used or relied upon for any reason whatsoever. This report shall not be reproduced, in whole or in part, without the written approval of Core Laboratories.

8/11/2019 Santa Rosa-01. Crude Assay Final (1)

2/3

Units AnalystDateMethodResultTest

Analytical Report

Sample Number: 141988-001

Date Reported: 8/10/2004

CORE LABORATORIES

CARRERA 39 NO 168-52/56

SANTA FE DE BOGOTA, D.C.

COLUMBIA SOUTH AMERICA,

Date Received: 5/14/2004

Description: Petrotesting

Sample Date:

Sample ID: Santa Rosa 1 Crude

Sample as Received

URIEL SANCHEZ

CORE LABORATORIES

8210 Mosley Rd.

Houston, TX 77075

713 943-9776 Telephone

713 943-3846 Facsimile

Deg F+30 JM5/19/2004ASTM D-97Pour Point

lbs/1000bbls7.9 DRG8/9/2004ASTM D-3230Salt Content

LV %< 0.05 DBC8/3/2004ASTM D-4007Sediment & Water

Simulated Distillation-Crude

Deg F359 DM5/19/2004ASTM D-5307IBP

Deg F4995 % off

Deg F56810 % off

Deg F62115 % off

Deg F66920 % offDeg F71425 % off

Deg F75830 % off

Deg F80035 % off

Deg F84040 % off

Deg F88145 % off

Deg F92550 % off

Deg F97155 % off

Deg F---60 % off

Deg F---65 % off

Deg F---70 % off

Deg F---75 % offDeg F---80 % off

Deg F---85 % off

Deg F---90 % off

Deg F---95 % off

@ 1000 Deg.58.1% Recovered

@ 1000 Deg.41.9% Residue

Page 2

The analytical results, opinions or interpretations contained in this report are based upon information and material supplied by the client for whose exclusive and confidential use this report has beenmade. The analytical results, opinions or interpretations expressed represent the best judgment of Core Laboratories. Core Laboratories, however, makes no warranty or representation, express orimplied, of any type, and expressly disclaims same as to the productivity, proper operations or profitableness of any oil, gas, coal, or other mineral, property, well or sand in connection with which suchreport is used or relied upon for any reason whatsoever. This report shall not be reproduced, in whole or in part, without the written approval of Core Laboratories.

8/11/2019 Santa Rosa-01. Crude Assay Final (1)

3/3

Units AnalystDateMethodResultTest

Analytical Report

Sample Number: 141988-001

Date Reported: 8/10/2004

CORE LABORATORIES

CARRERA 39 NO 168-52/56

SANTA FE DE BOGOTA, D.C.

COLUMBIA SOUTH AMERICA,

Date Received: 5/14/2004

Description: Petrotesting

Sample Date:

Sample ID: Santa Rosa 1 Crude

Sample as Received

URIEL SANCHEZ

CORE LABORATORIES

8210 Mosley Rd.

Houston, TX 77075

713 943-9776 Telephone

713 943-3846 Facsimile

WT %1.31 CB5/19/2004ASTM D-4294Sulfur, Total by X-Ray Fluoresc.

Metals By ICP

ppm wt88 KC5/20/2004ASTM D-5708Vanadium

Approved By:

Dan B. Carlson

Laboratory Supervisor

Page 3

The analytical results, opinions or interpretations contained in this report are based upon information and material supplied by the client for whose exclusive and confidential use this report has beenmade. The analytical results, opinions or interpretations expressed represent the best judgment of Core Laboratories. Core Laboratories, however, makes no warranty or representation, express orimplied, of any type, and expressly disclaims same as to the productivity, proper operations or profitableness of any oil, gas, coal, or other mineral, property, well or sand in connection with which suchreport is used or relied upon for any reason whatsoever. This report shall not be reproduced, in whole or in part, without the written approval of Core Laboratories.