PETREVEN is a Drilling Contractor(established in 1998 in Venezuela).The Company, being part of the TREVI Group, has a solid backgroundin drilling rig engineering and management.

The main objective of PETREVEN is to provide drilling services in those areas where the use of our technology and expertise will be able to create increase of drilling performance, cost reduction, high safety standards and environmental protection.

Our strategy is to develop a project, creating together with the Client a dedicated working team, able to design a “fit for purpose“ drilling rig to enhance productivity and additional value to the field operations

ITALYPetreven

VenezuelaH200

PETRORITUPANOH301

PETRODELTA

PETREVEN WORLWIDE LOCATIONS

Saudi ArabiaH301 – H600 – H601

PETRODELTA (PDVSA)

2 RIG HH220 SERIES3 RIG HH102 SERIES

ColombiaG102

PETROBRAS

PeruH107 – H109PETROBRAS

ArgentinaH103 – H104 PETROBRASH105 – H108REPSOL-YPF

H106CHEVRON IN OPERATION RIG UP IN PROGRESS

RIG FLEET

RIG FLEET HH102 HH220 HH300 HH600

Max Hook Load Capacity 220,000 lbs 440,000 lbs 600,000 lbs 1200,000 lbs

Drilling Depth 5500 ft 12000 ft 17000 ft 23000 ft

Mud Pumps 2x1000 HP 3x1000 HP 2x1600 HP 3x1600 HP

Top Drive Max Torque 26000 lbs/ft 26000 lbs/ft 32000 l bs/ft 50000 lbs/ft

Clearance for BOP Stack 17.06 ft 17.70 ft 22.00 ft 30.0 0 ft

RIG FLEET

PETREVEN achieved successful results in the Latin America, in term of drilling performance and safety standards, working for Major oil company.These results have allowed the constant increase o f our rig fleet and the awarding of new important contracts

24

8 9

13

18

2004 2005 2006 20072008 2009

2

VenezuelaOperators: Petrobras, Lasmo-ENI, PDVSAActivity 1999-2009Oilfields: Lobo-Leona, Orocual, Concepcion, Kaki, Oritupano,Rigs: HH200 – H301

PETREVEN VENEZUELA

Venezuela 2002 -2009

Operational Days 1665

Drilled wells 109

Depth average (ft) 7941,06

Total feet drilled (ft) 865576

Actual time average (days) 19.62

Construction rate (ft/day) 519,79

Moving Average (days) 3,10

Down Time (%) 4,19

Venezuela 2002 -2009

PerùOperator: PetrobrasActivity 2006-2009Oilfield: TalaraRigs: H107 – H109

PETREVEN PERU

Perù 2006 -2009

Operational Days 1.538

Drilled wells 209

Depth average (ft) 3.880

Total feet drilled (ft) 810.944

Actual time average (days) 7,25

Construction rate (ft/day) 543,21

Moving Average (days) 0,77

Down Time (%) 2,90

Perù 2006 -2009

ColombiaOperator: Petrobras, Hocol, Petromar, Ecopetrol, PetromineralesActivity 2002-2009Oilfields: Guando, Mango, Rio Ceibas San Francisco, Antares, Lomalarga, Campo DinaRig: G102

PETREVEN COLOMBIA

Colombia 2002 -2009

Operational Days 2.363

Drilled wells 178

Depth average (ft) 3.664

Total feet drilled (ft) 652.128

Actual time average (days) 10,60

Construction rate (ft/day) 925,94

Moving Average (days) 1,92

Down Time (%) 0,72

Colombia 2002 -2009

ArgentinaOperators: Petrobras, Repsol-YPF, ChevronActivity 2005-2009Oilfields: Medanito, Senal Picada, Puesto Hernandez , El Trapial, Las HerasRigs: H103, H104, H105, H106, H108

PETREVEN ARGENTINA

Argentina 2005 -2009

Operational Days 5.248

Drilled wells 615

Depth average (ft) 3.925

Total feet drilled (ft) 2.414.165

Actual time average (days) 8,39

Construction rate (ft/day) 477,83

Moving Average (days) 0,92

Down Time (%) 2,94

Argentina 2005 -2009

PETREVEN CORPORATE STATISTICS 2002-2009

Operational Days 10.814

Drilled wells 1111

Depth average (ft) 4.853

Total feet drilled (ft) 4.742.813

Actual time average (days) 9,73

Construction rate (ft/day) 438,57

Moving Average (days) 2

Down Time (%) 2,68

PETREVEN ARGENTINA R.O.P. RECORD

OPERATOR

WELL

CHEVRON

ET-899

December 2007RIG H106

WELL

OILFIELD

ET-899

EL TRAPIAL

HOURS

FT DRILLED

DEPTH

24.5

4235

4642

R.O.P. 174 FT/HR

Time (day)

OPERATOR

WELL

PETROBRAS

PH-2031

November 2007

PETREVEN ARGENTINA DRILLING RECORD

RIG H103

0,00

500,00

1000,00

1500,00

2000,00

2500,00

3000,00

3500,00

4000,00

0,00 0,50 1,00 1,50 2,00 2,50 3,00 3,50 4,00

Dep

th (

ft)

Program

Petreven

OILFIELD PUESTO HERNANDEZ

25

3166

3638

HOURS

FT DRILLED

DEPTH

DRILLING AVERAGE 1303 FT/DAY

ROP PLANNED 102 FT/HR

ROP REAL 125 FT/HR

TOTAL HOURS SAVED 20.64

OPERATOR

WELL

PETROBRAS

ORM-174

May 2002

PETREVEN VENEZUELA DRILLING RECORD

RIG H200

0

1000

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

Time (day)

Program

Petreven

OILFIELD ORITUPANO-LEONA

9521 FTPLANNED DEPTH

PLANNED DAYS 24

REAL DEPTH 9430 FT

REAL DAYS 13.64

2000

3000

4000

5000

6000

7000

8000

9000

10000

Dep

th (

ft)

Petreven

0

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

Time (day)

Program

OPERATOR

WELL

PETROBRAS

MAN-112H

October 2006

PETREVEN COLOMBIA DRILLING RECORD

RIG G102

500

1000

1500

2000

2500

3000

3500

4000

4500

Dep

th (

ft)

Program

Petreven

WELL

OILFIELD

MAN-112H

MANGO

4066 FTPLANNED DEPTH

PLANNED DAYS 24

REAL DEPTH 4256 FT

REAL DAYS 13.8

IMSIMS

MANAGEMENTCOMMITMENTS

HSEQ POLITICS

RESPONSABILITYIN OPERATIONS

PROCEDURES& NORMATIVES

CONTINUATIVEEVALUATION

GOALSOBJECTIVES

INCENTIVEPROGRAMS

PETREVEN works following strict politics to fulfill Client’s expectation and at the same time to ensure the best QHSE standard to his Personnel and for the Environment close to which perform his operations…

INSPECTIONSAUDITORIES

TRAINING

ANOMALIES INVESTIGATIONS

HSEQSUPPORT

…to do this PETREVEN works with an “Integrated Management System” that allows a continuous controls and reaction when needed.

Corporative 2002-2008Accidents type vs. working area

3

7

6

12

30

40

50

QHSE STATISTICS

1

710

1

2

2

6

92

3

3

1

1

21

1

2

0

10

20

With lost time Restricted Work Medical treatment Firs t Aid

Substructure

Pipe rack

Rig Floor

Well site

Maintenance

Tanks

Pumps

Corporative 2002-2008Accidents type vs. Operation type

8

8

30

35

40

45

Various

Rig cleanig

Rig maintenance

Rig down

Rig up

Running casing

Drilling

QHSE STATISTICS

1

9

1

14

1

1

2

2

8

3

1

3

21

1

2

2

0

5

10

15

20

25

With lost time Restricted Work Medical treatment First Aid

Awarding received in 2004 -2005 and 2006 as best dr illing contractor for the technical excellence, always complying with all safety and en vironmental protection criteria

Safety & Quality

Argentina

Colombia

Perú

Venezuela

Corporativo

HSEQ STATISTICSGLOBAL FREQUENCY INDEX (TRCF)

ACUM ULATED (12 m onths )

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2,0

4,0

6,0

8,0

10,0

12,0

14,0

Jun 08

Jul 08

Ago08

Sep08

Oct08

Nov08

Dic 08

Ene 09

Feb09

Mar09

Abr09

May0908 08 08 08 08 08 08 09 09 09 09 09

LOST TIME FREQUENCY INDEX (LTIF)ACCUMULATED (12 m onths)

0,0

0,5

1,0

1,5

2,0

2,5

3,0

3,5

Jun 08

Jul 08

Ago08

Sep08

Oct08

Nov08

Dic 08

Ene 09

Feb09

Mar09

Abr09

May09

Safety & QualityLeader in Performances and Safety

2004

LTIR PETREVEN

LTIR IADC

In the six years up to June 2009, PETREVEN Colombia reported zero Lost Time Incident (LTI)

2008. PETREVEN, has been chosen among all companies operating in the field in Colombia to be awarded with the Prize by the Safety Columbi an Council

20042005

20062007

2008

0

0,1

0,2

0,3

0,4

0,5

0,6

0,7

LTIR IADC

Thanks for the interest in our technologyThanks for the interest in our technology !!