This document provides an overview of Petroleum Services Group's On-call service. On-call offers oil and gas companies on-demand access to Deloitte's advisory services team and data solutions to address information needs. It provides flexibility for clients to receive expert guidance across technical queries. On-call consultants draw on global industry knowledge and tools to quickly respond to clients' questions. The service works on a pay-per-use basis and examples demonstrate support provided on acquisitions, field analysis, reserves assessments and more.

1. Petroleum Services Group
On-call
Oil and gas data and
analysis on demand
Additionally, On-call offers clients a single point of
contact to all of Deloitte’s services (such as audit,
On-call is an on-demand support service tax, consulting and corporate finance) and our
global office network.
providing companies with direct access
to our Advisory Services team and our How can we help?
On-call can be used for a variety of purposes. You
suite of Information Solutions. could be lacking some detailed information or want
the latest data available. You may be unsure of the
Information on-demand theory behind a certain modelling approach or want
Industry knowledge, combined with commercial the security of a second opinion. Alternatively, you
expertise, is vital to the decision-making process. may require some extra resource – be that only for
However, due to the demand for ever-greater a few hours or several days.
efficiency and competitive advantage, companies
have gaps in their skills and knowledge base. How On-call works
In the Petroleum Services Group at Deloitte, we are On-call is offered on a pay-as-you-go basis. This
helping our clients to bridge their knowledge gap by formalised support arrangement radically reduces
providing On-call. administration and means that no question is too
small and each will receive immediate attention.
On-call is an on-demand support service providing
companies with direct access to our Advisory On-call is not intended to substitute more formal
Services team and our suite of Information engagements warranted by, for example, the size
Solutions. The service draws upon our global of the assignment or the subject matter of the
databases, industry knowledge and technical information requested. Nor does On-call replace
expertise to provide assistance, answers and our existing subscription services.
advice, quickly and cost-effectively.
It costs nothing to activate your account. To sign
Our integrated suite of Information Solutions up, simply provide us with the names of authorised
underpins On-call. These decision support tools users in your organisation and a lead
enable our team to visualize oil and gas information representative.
from spatial, financial and reporting perspectives,
giving them an unparalleled view of the industry. Credentials
On-call clients communicate directly with our The following examples illustrate projects which we
Advisory Services team, consisting of petroleum have successfully completed for some of our clients
engineers, economists, geologists and GIS through On-call:
specialists, and receive priority attention.
Acquisition and disposal consultant
On-call provides clients with a high level of Field analysis by region and country, delivered in
flexibility, enabling them to receive professional report and map formats, for South America, Asia-
advice and guidance at any stage or level of the Pacific, Middle East and Africa including:
decision-making process.
 total proven and probable oil and gas reserves;

2.  breakdown of associated and non-associated  exploration and appraisal drilling;
gas; and
 geology;
 gas fields and corresponding owners with
reserves between 500 BCF but less than 1  reserves and production profiles;
TCF, and those greater than 1 TCF.
 development plans; and
Independent oil company
Evaluation of reserves and production data for  cost breakdown and cash-flow analysis.
specific Malaysian fields, including:
Accompanied by a Norwegian country report
 life-cycle production profiles; analysing reserves and production, infrastructure,
exploration, regulatory framework, fiscal terms and
 initial and remaining reserves for each hydrocarbon price forecasts.
producing field; and
Investment bank
 reserves estimation for discoveries and In-depth report on an upstream company’s global
prospects. assets, including:
Supported by background reports and maps  review of corporate structure;
depicting development activity plus exploration and
appraisal drilling.  worldwide licence interests; and
New entrant  detailed appraisal of Indonesian upstream
Assessment of a Nigerian concession for potential assets, including cash-flow analysis.
investment, including:
 concession map accompanied by details of Upstream major
historic licence activity; Review of all licence activity, by company, since
entry into the UK sector, including:
 estimation of extent and reserves for three
prospects;  licence acreage by company;
 report on seismic coverage and drilled  acreage relinquishments by company; and
exploration wells;
 deal activity in the past year.
 reserves, production and crude data on
adjacent fields; and
 analysis of the operator’s ownership structure,
Contact details:
financial performance and basis for divesting
For further information, please visit our website:
equity.
www.deloitte.com/oncall
Investment bank
Alternatively, please contact:
Detailed review of the Norwegian Ormen Lange
Billy Patel
field, including:
bipatel@deloitte.co.uk
+44 20 7007 0307
 field information;
Deloitte refers to one or more of Deloitte Touche Tohmatsu Limited, a UK private company limited by guarantee, and its network of
member firms, each of which is a legally separate and independent entity. Please see www.deloitte.com/about for a detailed description of
the legal structure of Deloitte Touche Tohmatsu Limited and its member firms.
This publication has been written in general terms and therefore cannot be relied on to cover specific situations; application of the principles
set out will depend upon the particular circumstances involved and we recommend that you obtain professional advice before acting or
refraining from acting on any of the contents of this publication. Deloitte LLP would be pleased to advise readers on how to apply the
principles set out in this publication to their specific circumstances. Deloitte LLP accepts no duty of care or liability for any loss occasioned to
any person acting or refraining from action as a result of any material in this publication.
Deloitte LLP is the United Kingdom member firm of DTTL.
© 2012 Deloitte LLP. All rights reserved.
Deloitte LLP is a limited liability partnership registered in England and Wales with registered number OC303675. A list of members’ names is
available for inspection at 2 New Street Square, London EC4A 3BZ, United Kingdom, the firm’s principal place of business and registered
office. Tel: +44 (0) 20 7936 3000 Fax: +44 (0) 20 7583 1198.
Member of Deloitte Touche Tohmatsu Limited