Her nando Antonio Le ó n Cor rales

Pasaporte No. 6012353

Mz K 1 Urb. Ignacio Merino II Etapa Piura –

Per ú

Telf. Home : 005********* – Cell.

005**********

E Mail : accu7j@r.postjobfree.com Next:

51*836*5793

PROFESSIONAL EXPERIENCE

NTG NEW TECH GLOBAL MEXICO

Drilling Fluids Consultant

Mexico/Villahermosa

Pemex Samaria OPS

2013

Project Target PT: Reservoir development

Responsibilities and Skills RS:

In this project the volumes of oil-based fluids were mudded up at the Contractor s Mud plant

according to scheduled volumes, improving mud properties at location with chemicals. Here, the

main responsibility was logistics of mud volumes required for drilling, displacements and

completion. These displacements needed a fairly detailed logistics coordination because,

unfortunately, the surface tanks volumes had a very limited capacity, increasing the number of them

and therefore the risks of environmental and safety management. Good results were successfully

obtained..

Besides logistics, the location was a very sensitive environmental management one working this

matter with success through a closed and effective coordination with Operator s representative,

Mud Engineer and Contractor s Supervisor. Safe job performance was optimal through a

professional and ethical performance. Same way, commitment included going ahead of drilling

potential problems. Optimal fluid quality was so good that fluid volumes were all able to be reused

in other well drilling operations. With this policy Zero damages to the environment and safe

operation of the project were obtained.

Supervision, observations and improvements of all Solids Control Equipment were a goal too.

Computer programs were needed for daily mud reports and mud quality better results as One Trax

and Virtual Hydraulics and Office programs too.

Attended Well Control, Hazards materials disposal, Environmental and Safety training

courses, Rig Pass, One Trax and Virtual Hydraulics training courses.

HALLIBURTON PERU

Drilling Fluids Representative II.

Peruvian Payroll.

2011 – 2013

Project Target PT: Reservoir development and exploring.

Responsibilities and Skills RS:

Working with this contractor, I served as a leader Senior Drilling fluids engineer executing Savia

Peru offshore and onshore exploring and developing projects, and Graña Montero onshore ones..

For both Operators, water base mud was used, using an amine as the inhibitory agent, successfully

executed because shales are a very gumbo ones, pure smectite. The responsibilities included

permanent contact with the Operator s Representative, giving recommendations and observations

about better product concentrations according to formation drilled. The same reflected in reduced

drilling fluid costs. Logistics about materials stocks worked good with all drilling team avoiding

potential troublesome issues and solving any problems that eventually arose.

The fluid quality was ensured through daily tests, making fluid quality good enough reducing fluid

costs. This quality also was guaranteed with adequate safe handling of materials, both offshore and

onshore. This contractor needed an aggressive action to get into the narrow market of Peru,

successfully. By now, Halliburton is the head of drilling, completion and work over operations in

Peru.

A major responsibility with the contractor was the training a new quite young staff but intellectually

well qualified, the same are currently exercising the profession of drilling fluids junior engineers on

various projects.

Supervision and, improvement Solids Control Equipment were needed too, resulting in zero

damages of environment. Safety regulations and executions were a goal too.

Computer skills included WS - Express, WS - 2000, DFG and Office programs.

Attended Stop and safety training courses mainly.

GLOBAL DRILLING CONSULTANT FLUIDS MEXICO

Drilling Fluids

Gulf of Mexico, Offshore

2009 - 2011

Project Target PT: Reservoirs development and exploring.

Responsibilities and Skills RS:

This fluids contractor is actually Weatherford Fluids of Mexico. I worked with as a Leader Drilling

fluids Senior engineer with exploration and development offshore oil and gas reservoirs being

Pemex the Operator Company. The fluids involved were water-based and oil based muds. These

wells are of a very deep nature, High temperature, H2S, CO2, total fluid loss, underbalanced drilled

and abnormal pressurized, making drilling them a big challenge. Being a Leader, responsibility

automatically increased but giving pretty good results always, according to commitment.

The logistics in the Gulf of Mexico is pretty much difficult because of workload and / or weather

problems, so is very important to project the needs according to the clever use of small places on

location. Responsibilities included the optimization of mud properties, suggesting and advising

Operator s Representative professionally.

Responsibilities included handling, collection and shipping of hazardous wastes and effluents from

the drilling operation.. The regulations were very demanding about environment, resulting in a

successful work. These platforms are abundant of directional drilling wells so the effective

monitoring of the work involved directional Drilling problems alone with no fluid behavior involved.

Support to coordination and, operations manager assistance, were a goal too.

The fluid contractor conducted a rigorous training program to national staff, responsibility

successfully obtained. All of them are already in charge of many projects.

Supervision, improvement and control of the operation of solids control equipment was permanent

and a goal too.

Computer skills included contractor s programs and Office ones.

Attended offshore survival training courses.

MI DRILLING FLUIDS PERU

Drilling Fluids Consultant and Payroll

Peruvian OPS, Offshore

2008 – 2009

Project Target PT: Reservoir development and exploring.

Responsibilities and Skills RS:

Projects with this contractor were to Savia Peru offshore operator and Repsol in the Peruvian

jungle. The objectives, responsibilities and skills relate to water base mud ionic inhibition with

potassium and calcium. The skills for success with these fluids are quite complicated, but that, in

the case described, because of the experience, program objectives were achieved at a reasonable

cost.

The responsibilities than described included logistics, customer permanent treatment, problem-

solving drilling, completion and completion, reports and optimal program management and

personnel training for Peruvian projects Savia operator.

Supervision, improvement and control of the operation of solids control equipment permanent.

Skills performed were all about contractor s mechanized information programs as Mud Trax, One

Trax, and Office programs.

MI SWACO DRILLING FLUIDS BRAZIL

Drilling Fluids Consultant

Macaé, Catu, Brazil.

2007

Project Target PT: Reservoir development

Responsibilities and Skills RS:

The work for this contractor was Onshore in Catu, Bahia, Brazil, in a sensitive area of

environmental control, synthetic fluids, with many lost circulation problems in the well, the same

that were controlled with the test, suggestion and execution in changing fluid properties, improving

its quality, drilling variables, successfully, since the operator paid each barrel des synthetic fluid lost

to the formation. The logistics was referred to fluid volumes, reusable, the same as with the

changes described decreased in transport volumes, improving profitability. It was a relatively short

period of permanency goals reflected changes in the renewal of top managers.

Skills mechanized information programs of the contractors themselves as the One Trax, Virtual

Hydraulics, WS - Express, WS - 2000, DFG, Mud Trax, Office.

Attended at Macae, Laboratory research of the most used drilling fluids at Brazil, Falck Nutec,

Offshore survival, safety and environmental training courses.

BAKER DRILLING FLUIDS

Drilling Fluids Consultant

Chad, Africa, Onshore

2007

Project Target PT: Reservoirs development and exploring.

Responsibilities and Skills RS:

Worked with a WBM new proposal for Baker, instead of the OBM usually used. As a Lead

engineer I managed everything about the job.

The project worked good and it was successful.

HSE, SCE, were part of the same.

Supervision, improvement and control of the operation of Solids Control Equipment was permanent

and a goal too. Computer skills included contractor s programs and Office ones.

The responsibilities than described included logistics, customer permanent treatment, problem-

solving drilling, completion and completion, reports and optimal program management and

personnel training.

GLOBAL DRILLING FLUIDS MEXICO

Drilling Fluids Consultant

Gulf of Mexico, Offshore

2004 – 2007

Project Target PT: Reservoirs development and exploring.

Responsibilities and Skills RS:

This fluids contractor is actually Weatherford Fluids of Mexico. I worked with as a Leader Drilling

fluids Senior engineer with exploration and development offshore oil and gas reservoirs being

Pemex the Operator Company. . The fluids involved were water-based and oil based muds. These

wells are of a very deep nature, High temperature, H2S, CO2, total fluid loss, underbalanced drilled

and abnormal pressurized, making drilling them a big challenge. Being a Leader, responsibility

automatically increased but giving pretty good results always, according to commitment.

The logistics in the Gulf of Mexico is pretty much difficult because of workload and / or weather

problems, so is very important to project the needs according to the appropiate use of small places

on location. Responsibilities included the optimization of mud properties, suggesting and advising

Operator s Representative professionally. Responsibilities included handling, collection and

shipping of hazardous wastes and effluents from the drilling operation.. The regulations were very

demanding about environment, resulting in a successful work. These platforms are abundant of

directional drilling wells so the effective monitoring of the work involved directional drilling problems

alone with no fluid behavior involved. Support to coordination and operations manager assistance

were a goal too.

The fluid contractor conducted a rigorous training program to national staff, responsibility

successfully obtained. All of them are already in charge of many projects.

Supervision, improvement and control of the operation of Solids Control Equipment was permanent

and a goal too. Computer skills included contractor s programs and Office ones.

Attended offshore survival training courses.

QMAX PERU

Drilling Fluids Consultant

Camisea Project Cuzco

Peruvian Jungle

2002 - 2003

Project Target PT: Reservoir development

Responsibilities and Skills RS:

With Qmax Peru drilling fluids contractor worked on the largest and biggest Gas, Condensate and

Oil Exploration and Development project in Peru which was the Gas de Camisea Project with

advanced oilfield technology. The fluid involved was a potassium sulfate one with glycol and PHPA,

highly inhibitory with optimal results. Project has worked too with Drilling location effluents disposal.

Project location was at Peruvian Jungle, making logistics a tight matter because it is a Rain Jungle

one. Proper management of environmental pollution was highly laborious, added to safety because

the contractor had been fully marketed through the Operator PlusPetrol Peru.

This operator initially had very limited resources, the same ones increased significantly after the

first well drilled, successfully, and that meant a safe fluid system.

Supervision, improvement and a better Solids Control Equipment performance was a permanent

responsibility, specially advising on Shale Shakers performance.

Computer skills were all about Office programs.

MI DRILLING FLUIDS PERU

Drilling Fluids Consultant

North West Operations of Peru

Offshore

2000 – 2002

Project Target PT: Reservoir development and exploring.

Responsibilities and Skills RS:

Projects with this contractor were to Savia Peru offshore operator and Repsol in the Peruvian

jungle. The objectives, responsibilities and skills relate to water base mud ionic inhibition with

potassium and calcium. The skills for success with these fluids are quite complicated, but that in the

case described, because of the experience, program objectives were achieved at a reasonable

cost.

The responsibilities that described, included logistics, customer permanent treatment, problem-

solving drilling, completion and completion, reports and optimal program management and

personnel training for Peruvian projects Savia operator.

Supervision, improvement and control of the operation of solids control equipment permanent.

Skills mechanized information programs of the contractors themselves as the Mud Trax, One Trax,

and Office programs.

FEDERAL SUMMIT

MI DRILLING FLUIDS

Drilling Fluids Consultant

Peruvian Andean Operations

1999

MI DRILLING FLUIDS MEXICO

Drilling Fluids Consultant

Gulf Of Mexico, Offshore

1996 - 1997

MASERPET SA PERU

Drilling Fluids Consultant

Peruvian Jungle – Northwest

Operation Of Peru

1994 – 1996

MI DRILLING FLUIDS PERU

Drilling Fluids Consultant

Peruvian Jungle _ Northwest

Operation Of Peru

1986 - 1993

HUGHES SERVICES INT PERU

Field Service Engineer

Cement, Stimulation and Tool.

North West Operation Of Peru

1985

SPERRY SUN INT PERU

Directional Surveyor

North West Operations Of Peru

Onshore and Offshore

1982 - 1983

DOWELL SCHLUMBERGER PERU

Field Service Engineer

Cement, Stimulation and Tool.

North West Operation Of Peru

1980

ENGLISH

Peruvian British Association

Can take job as scheduled

My strong skills are about Drilling, Completion and W/O Fluids, Offshore/onshore operations,

with WBM, OBM, SBM.

Total Fluids Management/Solids Control Equiment

Daily Rate: US$700.00

HERNANDO LEON

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