Testing and Production Sevices

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Well served

Putting the service back in well testing and production

services with a breadth of capabilities and depth of expertise

mpletion

oduction

ervention

Drilling

aluation

Testing andProduction Services

Testing & production services

Drillstem test tools

Early production facilities

Heavy-duty wireline shing

Life-of-eld production facilities

Produced water systems

Slickline services

Tubing-conveyed perforating systems

Well-testing systems



Putting the service back in welltesting and production services:

the Weatherford difference

© 2011 Weatherford. All rights reserved.2



Drawing on more than 30 years of experience, we now are one of the world’s

largest well testing and production service providers. Our offerings include

exploration and appraisal well testing; production well testing, owback

and cleanup; associated services to optimize the performance of your

producing assets while minimizing environmental impact; and early to life-

of-eld production facility design, installation, operation and maintenance.

In addition to expanding our equipment portfolio, we have invested

heavily in initiatives—including specialized training and competence

assurance programs—to ensure that you get the expertise so

critical to successful well testing and production operations.

Whether your objective is to obtain critical reservoir data, meet stringent

environmental regulations governing your active wells, or design and install

a customized production facility, discover the difference our breadth of

capabilities and depth of expertise can make on your next operation.

Drawing on more than 30 years of experience,we now are one of the world’s largest well testing

and production service providers.

You require accurate exploration and appraisal well data to make

critical reservoir management decisions. You also need to optimize

production and maximize recovery while minimizing environmental

impact. With a breadth of testing and production capabilities and

depth of expertise, we’ve got you covered, onshore and offshore.

© 2011 Weatherford. All rights reserved.

Testing and Production Services

3



Assess the potential

Weatherford has the equipment and know-how to run a wide range of well tests. The

resulting data can help you assess a reservoir’s potential, as well as inform future drilling,

completion and production decisions. But our services extend far beyond execution. They

also encompass test design and data analysis, critical to yielding meaningful results.

In well testing, one size does not t all. Objectives and

operating conditions vary, requiring customization. We

work closely with you to design tests that deliver the

data you need to make informed reservoir management

decisions and ultimately, to maximize recovery. Sources

of input can include seismic surveys, surface logging,

wireline logging and simulations run with proprietary

software. A well-designed test delivers accurate,

meaningful data that meet your predetermined reservoir

evaluation objectives.

We leverage proprietary well-testing software, including

our PanSystem® and PanMesh™ applications, to analyze,

validate and interpret data. In addition to performing

these functions, we can train your personnel in well-test

data analysis and interpretation. As a diversied oileld

services company, we also offer access to experts ina wide range of complementary disciplines—such as

well construction, completion design and production

optimization. Our experts also can help you maximize

the value of test results.

Putting the service back in …

exploration and appraisal well testing

Your objectives

Core-sampleanalysis

Logging-while-drilling

Offset well data

Seismic surveys

Software-basedsimulations

Surface logging

Wirelineformation testing

Wireline logging

Test-design services

Data-analysis services

Test-design input sources




During exploration and appraisal well testing, we

acquire critical data—including ow rates, formation

uid properties and permeability, as well as surface and

downhole pressure and temperature—that can help

you assess the commercial potential of a reservoir,

as well as cost-effectively produce your wells. Among

the means that we use to acquire these data are

wireline or tubing-conveyed-perforating (TCP) systems;

drillstem test (DST) tools; downhole memory gauges

and pressure/volume/temperature (PVT) samplers;

surface well-testing packages; multiphase owmeters;

and sophisticated electronic data-acquisition systems.

We also have the capacity to transmit data in real time

to approved parties at off-site locations, facilitating

fast, well-informed decision-making. And, with a global

network of advanced geosciences laboratories, we

can provide formation uid analysis on downhole and

surface samples acquired during testing.

A powerful well-test analysis application, our

PanSystem® software made its commercial debut

more than 20 years ago and has been upgraded on anongoing basis to reect major industry developments,

such as unconventional gas. Equipped with a simulation

function, it can also be used to optimize the design of

well tests before execution.

Exploration and appraisal well testing

Assessing areservoir’scommercial

potential

Determiningreservoir

boundaries anddrainage area

Characterizingthe reservoir toinform drilling,

completionand production

decisions

Exploration and appraisalwell-testing applications

Proprietary software


© 2011 Weatherford. All rights reserved. 5




production services

Optimize well performance, minimize environmental impact

Incorporating the same base technologies as exploration and appraisal well testing, we

provide a number of services to help you optimize the performance of your producing

assets, while minimizing environmental impact. These include production testing, well

cleanup and unloading, and frac owback management.

A byproduct of hydraulic fracturing, residual proppant can

damage production lines, process facilities and equipment as

it ows back to the surface. We use an array of technologies

to manage returning proppant and solids effectively, including

hydraulic chokes, four-phase separators, pressurized knockout

vessels and high-pressure lters.

Frac owback management

Our services include the removal and proper disposal of owback uids

and solids to optimize production, while minimizing environmental

impact. We also offer complementary sand-and-water control

services—which incorporate gravel packs and various standalone

conventional sand screens with inow control devices (ICDs), industry-

leading expandable sand screen (ESS®

) systems, and our proprietary

SandAid®

sand-conglomeration solution—as well as surface-based

sand management and produced-water treatment services.

Well cleanup and unloading




With a wide selection of perforating guns and

multiple conveyance options—including coiled

tubing, slickline, wireline and tubing (TCP)—we are

well equipped to meet your perforating objectives, as

well as to overcome specic challenges imposed by

factors, such as large casing diameters and highly

deviated wellbores.

Production testing can help you optimize eld performance, diagnose

production problems and comply with applicable environmental

regulations. We offer standard in-line testing packages—which

minimize emissions and avert interruption to production while

testing—as well as memory production logging and owmetering.

Our owmetering technologies include the nonnuclear Alpha

VS/R wet-gas owmeter, the Alpha VS/R-D multiphase owmeter,

and the compact REMMS partial-separation owmeter. All are

suitable for space-constrained environments, and all incorporate

advanced Red Eye®

technology, which measures water cut.

We provide slickline services to facilitate testing operations

such as pressure/temperature surveys, bottomhole sampling,

and in completion and production operations such as setting,

pulling and shifting ow controls. Slickline also is used inperforating operations to convey ring heads and release

gun assemblies after ring. And we offer heavy-duty wireline

shing (HDWF) services to remove obstructions—including

stuck ow-control devices, slickline and braided cable—from

your well. HDWF presents a more efcient cost-effective

alternative to coiled-tubing shing and conventional workovers.

Production testing

Perforating

Well servicing

Optimizing well andeld performance

Diagnosingproduction-related

problems

Evaluating theeffectivenessof stimulationtreatments

Validatingexport meters

Ensuring compliancewith environmental

regulations

Production testing applications


© 2011 Weatherford. All rights reserved. 7



Produce while planning

Early production facilities (EPFs) enable you to bring

production on line quickly and cost-effectively, while

continuing to gather pertinent reservoir data and plan

full-eld development strategies accordingly. Weatherford

possesses the technologies, engineering expertise, in-

house experience, project management skills and global

reach to design, construct and operate these complex,

often remote, installations; and we have a track record of successful projects to back up that claim.

Our multiple contract options include build-own-operate

(BOO); build-own-operate-transfer (BOOT); engineering,

procurement and construction (EPC); and lease, operate,

maintain (LOM). We also provide extended well testing

(EWT) services, which similarly enable you to produce while

you assess the reservoir and plan full-eld development.


early production facilities

8 © 2011 Weatherford. All rights reserved.



PAKISTAN | Weatherford completes 15-MMscf/d EPF installation with minimal

impact on environmentally sensitive surroundings

We selected an EPF design that would meet the client’s environmental and operational

criteria. On procuring the requisite material from international vendors, we built modular

units off-site, coordinated the transportation of the units to the well, and assembled the

EPF. The facility was commissioned approximately 14 months after the contract was

awarded. We recorded no lost-time incidents during the 449,493 man-hours logged in the

installation and commissioning phases. The EPF enabled the client to produce and sell

natural gas, liqueed petroleum gas (LPG) and gas condensate with minimal impact to

the environmentally sensitive surroundings, while continuing to evaluate the reservoir.

NORTHERN IRAQ (TAQ TAQ FIELD) | Weatherford delivers and

installs 30,000-bbl/d EPF in remote region—in just eight weeks

The EPF provided the client with a cost-effective means to initiate

production, while evaluating the reservoir to inform a full-eld

development strategy. Our approach, which entailed building modularcomponents from equipment in its inventory outside of Iraq, helped

expedite the installation process and bring production on line sooner.

Furthermore, the design that we selected facilitated post-installation

expansion of its production capacity.


9© 2011 Weatherford. All rights reserved.




well testing and production

services: expertiseDiscover the difference

From accurately interpreting well-test data to producing your assets in accordance with environmental

regulations, to designing EPFs to your specications, people make the difference. That’s why we have

invested heavily in initiatives to ensure that you get the expertise you need to succeed, no matter what

your well testing or production objectives are.

Cultivating expertise through dedicated training. We provide our well-

testing and production services personnel with specialized computer-based

and classroom training to make certain that they are well versed in the latest

techniques and technologies, as well as best quality, health, safety, security and

environmental (QHSSE) practices. Specic initiatives include a series of highly

specialized courses on designing effective well tests and interpreting the resulting

data. Among the classes that we offer our own personnel—as well as clients—

are Well Test Analysis (introductory, intermediate and advanced levels) and Well

Test Interpretation in Complex Reservoirs. An active competence assurance

program helps us assess the skills of our employees on an ongoing basis.

Drawing on 30 years of well-testing and production experience.We have gradually expanded our well-testing and production capabilities

through strategic acquisitions, as well as internal growth. We are now one

of the world’s largest well-testing and production-service providers. With a

team of more than 1,500 specialists, we perform thousands of jobs per year.

Tracking performance to optimize results.

We use the Weatherford Performance Tracking

System (WPTS) to develop and reinforce best

QHSSE practices, identify personnel with relevant

experience, select appropriate technologies and

techniques, and apply hard-won lessons from one

operation to the next.

Developing tomorrow’s well-testing and production

technologies. We are focused on developing new

technologies to meet the ever-evolving needs of the oil

and gas industry. In 2010 alone, we invested more than

US$200 million on research and development initiatives.

Among the technologies that we are currently working on is

a state-of-the-art in-riser landing string designed to meet the

unique challenges of testing wells in subsea environments.




Leveraging a diversied portfolio to provide single-source

efciency. Our products and services span the life cycle of a well—

drilling, evaluation, completion, production and intervention. Well testing

is part of our evaluation competency, along with geomechanics

consulting, logging-while-drilling, surface logging, wireline logging and

laboratory services. That range of capabilities enables us to amalgamate

and interpret data from multiple sources. As such, we can provide you

with the holistic understanding of your reservoir that you need to make

informed decisions—with single-source efciency. In a similar vein,

our portfolio features various offerings that complement our production

services, including articial lift, production optimization, shing, casing

exits, wellbore cleaning and well abandonment.

Simplifying project execution with our ProjectONE™ management

platform. Regardless of your operational objectives, Weatherford offers

the same Project ONE approach to execution. That means we draw on

a vast portfolio of Tactical Technology™, global project management

experience, and adaptability to tailor our offerings to your unique needs,

maximize efciency and drive down costs. And, throughout the process,

you work with one primary point of contact at Weatherford to streamline

communications. ONE source. More resourceful. It’s that simple.

Integrating expertise and world-class

infrastructure. We serve the oil and gas

industry through our more than 900 locations

worldwide. Our global network of manufacturing

facilities includes a drillstem test hub in Arbroath,

Scotland, UK, where we design and build our

own DST tools. We also provide engineering

and design support for our well-testing

technologies at our Spencer Road Training and

Development Center in Houston, Texas, USA.

Retaining a well-tested authority:

Dr. George Stewart. With more

than 35 years of well-testing and

reservoir engineering experience,

Dr. Stewart serves as chief

reservoir-engineer at Weatherford.

In addition to sharing his wealth

of knowledge with clients, he has

played an instrumental role in

training our personnel. He joined

Weatherford in 2004 after we

acquired the company he founded,

Edinburgh Petroleum Services. This

acquisition was part of a concerted

effort to build our well-testing

competency. Dr. Stewart has also

held several positions at Heriot-Watt

University’s Institute of Petroleum

Engineering since its inception in

1975; and he recently authored the

Pressure Transient Analysis series.

The series includes two volumes—

Volume I: Well Test Design &

Analysis and Volume II: Formation

Testing and Well Deliverability

with Complex Reservoir Material

Balance—available through

PennWell Books.


11© 2011 Weatherford. All rights reserved.



weatherford.com

Weatherford products and services are subject to the Company’s standard terms and conditions, available on request or at weatherford.com. For more information contact an authorized Weatherford representative. Unless noted

otherwise, trademarks and service marks herein are the property of Weatherford and may be registered in the United States and/or other countries. Weatherford products named herein may be protected by one or more U.S.

and/or foreign patents. For more information, contact [email protected]. Specications are subject to change without notice. Weatherford sells its products and services in accordance with the terms and conditions set

forth in the applicable contract between Weatherford and the client.

© 2011 Weatherford. All rights reserved. 6725.01

To learn more about using our well testing and production services

to obtain critical reservoir data, as well as to maximize recovery while

minimizing environmental impact, contact an authorized Weatherford

representative or visit weatherford.com.

Well served

Putting the service back in well testing and production

services with a breadth of capabilities and depth of expertise


Testing and Production Sevices

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