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Petroleum Development Oman L.L.C.

Document ID Lekhwair DEW (DME) Project Health Management Plan for DEFINE Phase

Document Type 01

Security DCAF deliverable

Discipline --

Document Owner

Month and Year of Issue

18 December 2014

Version 1.0

Keywords Health Plan, HRA, Health Hazards, HFE, MER Plan, Stages and Resources

Copyright: This document is the property of Petroleum Development Oman, LLC. Neither the

whole nor any part of this document may be disclosed to others or reproduced, stored in a

retrieval system, or transmitted in any form by any means (electronic, mechanical, reprographic

recording or otherwise) without prior written consent of the owner.

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i Document Authorisation

Document Owners Document Custodian

Petrizzo, Jose MCOH1

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ii Revision History

The following is a brief summary of the four most recent revisions to this document. Details of all revisions prior to these are held on file by the Document Custodian.

User Notes:

1. A controlled copy of the current version of this document is on PDO's live link. Before making reference to this document, it is the user's responsibility to ensure that any hard copy, or electronic copy, is current. For assistance, contact the Document Custodian.

2. Users are encouraged to participate in the ongoing improvement of this document by providing constructive feedback.

Version No.

Month & Year

Author’s Name and Title

Scope / Remarks

1.0 18 December

2014

Jose F.Petrizzo

Ref. Ind: MCOH1

Lekhwair DEW (DME) Project Health Management Plan for DEFINE Phase

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iii Related Business Processes & CMF Documents

Related Business Processes

Code Business Process (EPBM 4.0)

Parent Document(s)

Doc. No. Document Title

Summary

This Lekhwair DEW (DME) Project Health management Plan summarizes the Health elements that are required for the DEFINE PHASE. These Health elements will be developed, updated and delivered according to the HSSE & SP Project Activity Plan along the project cycle.

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TABLE OF CONTENTS

1. INTRODUCTION 6

2. PROJECT DESCRIPTION 7

3. HEALTH SECTION 9

3.1 Health resources scoping and deliverables 9

3.2 Health Risk Assessment 12

3.3 Health Impact Assessment 12

3.4 MER Plan 12

3.5 HFE Strategy 12

4. ANNEXES 13

4.1 Health Priorities 13

4.2 DCAF Overview for MCOH 14

4.3 OL-5 Debottleneck Project DEFINE Phase Health Overview 15

5. REFERENCES 16

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1. INTRODUCTION

A Health Plan brings together all essential health information that must be

produced for each project phase from Identify to Operate. The Health Plan must

be developed in the DEFINE PHASE, because is especially important in areas

with challenges medical care, where there will be a focus on Medical Emergency

Response and individual fitness.

A competent Health professional must sign off all health reports and plans. The

Health Plan will identify activities and control measures for the Health aspects of

the HSE CMF and where these are integrated into the project, in order to comply

with it and with Project Standards.

This Health Plan summarizes the Health elements that are required for the

Lekhwair DEW (DME) Project during DEFINE PHASE. These Health elements

will be developed, updated and delivered according to the HSSE & SP Project

Activity Plan along the project cycle, in the upcoming Phase: DEFINE.

. The plan pursues two main objectives:

Ensure that Health requirements and specifications are comprehensively implemented during the project cycle.

Complete specific Health assessments mandated by the HSE CMP, Discipline Controls and Assurance Framework (DCAF), local legislation and rules on the project.

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2. PROJECT DESCRIPTION

The Di-Methyl Ether (DME) enhanced water flood (DEW) technology is being developed by Shell. Currently they are engaged setting up and maturing a number of field tests, among others in Oman and Brunei. In the DEW process, DME is mixed with water and injected into the reservoir. Upon contact with oil, DME preferentially partitions into the remaining oil causing it to swell and to reduce its viscosity; creating an oil bank. The DME slug is then chased by water, which displaces the DME enriched water and strips the DME from the residual oil creating a DME bank. The produced DME is separated from the production stream to be re-utilized. DEW laboratory experiments with Lekhwair A North core plugs have demonstrated potential incremental recoveries of up to 20%. Upscaling this to a field application would lead to an increased recovery factor in AN of 11%. Moreover, a North screening study reveals that an unrisked volume of up to 91 mln m3 could be targeted with this technique. A high-level implementation plan reveals UTC’s of around 50 USD/bbl. The main cost drivers are the DME cost, CAPEX of DME-recycle facilities and the well CAPEX. The team’s recommendation is to pilot DEW under reservoir conditions as part of a staircase to mature the DEW technology in PDO. Lekhwair A North has been selected as pilot candidate due to the existing line water flood pattern and the relatively well understood injector/producer conformance underpinned by a good dynamic model. This potential pilot concept will involve the injection and production of a ‘small’ volume of DME into a pattern with the objective to: 1. Quantify incremental oil recovery 2. Measure DME breakthrough time and recovery profile (assess impact geology) 3. DME vertical conformance in the reservoir (assess impact geology) 4. Estimate solvent utilization for full field application

5. Findings to be used to de-risk full field development concept and economics

The DME pilot project roadmap and the PDO DEW staircase is shown below:

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The EOR screening effort for North Oman showed that DEW is currently the most suitable EOR technology to increase oil recovery from the existing fields. Developments of alternate enhanced and improved oil recovery technologies as ASP (Alkaline Surfactant Polymer) flooding and LSF (low Salinity Flooding) will be monitored and cross checked at every milestone to ensure that the technology applied fits PDO’s long term oil field development goals.

The DEW project will be implemented in ORP phases, FID planned for 2014 & Mid 2015 for commissioning. Surface facilities will be a Bulk storage yard with 55 DME ISO containers, Mixing facility with loading bays for DME and premixing tank, Injection facility with an pump to inject pre-mixed DME-Water mixture,

Injection well and observatory wells and a back production facility .

The Lekhwair DEW (DME) Project overall HSE strategies and philosophy shall ensure that all potential Health hazards are identified assessed and that all necessary controls and recovery measures are implemented and engineered such that residual risks are tolerable and reduced to a level that is ALARP when compared to PDO risk acceptance criteria.

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3. HEALTH SECTION

The Health elements of the plan for the current phase are related to the following DCAF components:

a) Project HSSE Activity Plan b) Project HSSE CMF c) HSSE & SP Hazards & Effect Register d) Impact Assessment e) Concept ALARP demonstration Report f) Cross-discipline engagement

Some of these components are Health deliverables; others will require Health input along the project cycle

3.1 Health resources scoping and deliverables

The following table summarizes the Health requirements and resources for compliance with local legislation and PDO CMF. It also allows the appropriate action tracking for the Plan.

Deliverable Comments Schedule

Health Management Plan

The assigned PDO Health Technical Authority (TA), José Petrizzo as Health Project Owner, will provide Health deliverables required for Lekhwair DEW (DME) Project as described in this plan.

Health content of the l Lekhwair DEW (DME) HSSE Plan and Procedures will be reviewed to determine if they are applicable to

the project and identify any concerns/issues.

Updated 12/2014

Human Factor Engineering (HFE) Elements*

HFE Screening and Strategy have been developed. Have to be approved before the end of Define phase.

Budget considerations for HFE need to be ensured during this phase in order to implement strategy along the project cycle. The implementation will continue during execute phase.

HFE Screening and Strategy need to be validated before 2015

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Deliverable Comments Schedule

Health Risk Assessment (HRA)

PDO Occupational Health has completed an HRA for Lekhwair Production Area. A new HRA for Lekhwair DEW (DME) Project in DEFINE phase will be developed. An HRA will be performed by contractors to include construction Health risks / hazards. PDO Occupational Health will validate

the contractor’s deliverable during EXECUTE Phase.

2015

Health Impact Assessment (HIA)

HIA study for Road Transport has been developed. The project itself will be conducted during regular operations and do not require a HIA.

The assigned functional HPO and Health TA will engage with project team for any Health related input needed.

2015

MER Plan

The assigned functional HPO and PDO occupational Health TA will review the Site MER Plans to ensure they meet the specific project needs (particularly resources and Tier response times) Contractor MER plans and any bridging document will also be reviewed if applicable.

2015

Cross-discipline engagement

PDO Occupational Health will engage with other disciplines within the project team for support in the update of Technical Plans and any other Technical Risk Assessments.

DEFINE Phase to OPERATION Phase

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Deliverable Comments Schedule

CMF Health Specifications

The assigned HPO will engage with project HSE for supporting the implementation of CMF Health specifications along the project cycle, regarding following Specifications:

Fitness to Work (SP-1230 – Medical Examination, Treatment and Facilities)

Health Risk Assessment (SP-1231 – Occupational Health)

Public Health (SP-1232 – Public Health)

Human Factors Engineering (SP-1231 – Occupational Health)

Medical Emergency Response (PR-1243 – Medical Emergency Response Manual)

Reporting and investigation of HSE incidents (PR 1418 – Incident Notification, Reporting and Follow-up Procedure Part 1)

Chemicals Management and SHOC (SP1231- Occupational Health)

Exposure Monitoring (SP 1231- Occupational Health)

Smoking, alcohol and drug policy (SP 1233 – Smoking, Drugs and alcohol)

PDO Occupational Health

continuous support and long term commitment

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3.2 Health Risk Assessment

The HRA is the application of the Hazards & Effects Management Process (HEMP) to Health hazards. Management programs must be in place to identify, assess, control & document Health risks from chemical, physical, biological, ergonomic & psychological hazards in both the development/construction and operational work environments, which have been identified as high or medium on the PDO Risk Assessment Matrix (RAM). Health risks must be considered so that controls can be implemented to eliminate the risks or reduce (mitigate) exposures to ALARP.

An HRA for Lekhwair Production Area has been perfromed. A new section for Lekhwair DEW (DME) will be created once the Project is over. An HRA for construction health hazards will be performed in the EXECUTE phases and will provide input for any update of project HAZID and HSSE Hazards and Effects Register. PDO Occupational Health will provide long term support for the HRA administration and update.

3.3 Health Impact Assessment

PDO occupational Health will assess the need for input in the project stakeholder identification process integrating efforts with Impact Assessment (IA) team. PDO Occupational Health will participate and provide input, as needed, into any nontechnical risk identification, mitigation plan as well as optimizing plans for any positive impact that the project may has.

3.4 MER Plan

PDO occupational Health Technical Authority (TA) will input and review the Medical Emergency Response Plan/Strategy in upcoming phases of the Project, and will verify the criteria listed in HSSE CMF are met. PDO Occupational Health also will review contractors MER Plan(s) or bridging documents) .

3.5 HFE Strategy

PDO Occupational Health will support the implementation of project HFE plan. Key aspects of the strategy are: HFE coordination along the project cycle, PDO Occupational Health will provide technical support on an as needed bases, ensure that HFE design requirements are adopted in DEPs 30.00.60.13 and 30.00.60.20 and other acceptance criteria are brought to the attention of the main contractors. Ensuring that, as far as possible, HFE objectives are integrated with related project activities (such as operability and maintainability reviews, material handling studies, drawing and 3-D model reviews, constructability reviews, etc)

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4. ANNEXES

4.1 Health Priorities

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4.2 DCAF Overview for MCOH

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4.3 OL-5 Debottleneck Project DEFINE Phase Health Overview

DCAF Define Status of Must-do's (click f irst

nr. row and choose from scroll list)

Status

3 DCAF deliverable HSSE & SP Hazards & Effects Register on target

Confirm HRA and controls, update wih issues and risks raised from all

activities. Sign-off by:

Review capability and capacity of local H facilities to meet project needs JOSE PETRIZZO

Identify major H risks for C&C and SIMOPS. Sign-off date:

Assess need for H items in implementation pre-mobilisation process Fill in date

Use information about technical and operational scope

Deliverable:

Must-doIncorporate Health into updated HSSE & SP Hazards and Effects Register and

RAP

Comments

Status

4 DCAF deliverable Impact assessment done or N/A

Sign-off by:

JOSE PETRIZZO

Sign-off date:

Fill in date

Deliverable:

Must-do Health incorporated into ESHMP

Optional Updated Stakeholder Engagement Plan

Comments

Status

5 DCAF deliverable ERP on target

Sign-off by:

JOSE PETRIZZO

Sign-off date:

Deliverable: Fill in date

Must-do MER incorporated into ERP

Optional

Comments

7 DCAF deliverable Design ALARP Demonstration Report (Design HSSE &SP) Case done or N/A

Sign-off by:

Fill in name

Sign-off date:

Fill in date

Deliverable

Must-doHFE inlcuded in Design ALARP Demonstration Report (Design HSSE (&SP)

Case.

HFE inlcuded in updated project HSE philosophies and management plans.

Comments

Status

8 DCAF deliverable Operations HSSE Case Framework on target

Activity

Assess whether Health hazard and/or HFE design information should be

included.

Update HRA

Complete HFE design analysis and outline HFE Implementation Plan.

Updated Health management plan. Sign-off by:

Deliverable JOSE PETRIZZO

Must-do Sign-off date:

Fill in date

Comments

Status

Status

10 DCAF deliverable Basic Design Package done or N/A

Sign-off by:

Fill in name

Sign-off date:

Fill in date

Deliverable

Must-do HFE included in BDP

Optional

Comments

Status

11 DCAF deliverable Basic Design & Engineering Package click here for options from list

Sign-off by:

Fill in name

Sign-off date:

Fill in date

Deliverable

Must-do

Identify key HSSE & SP activities

Check BDEP against HSSE CF requirements

Update HRA

HFE included in BDEP

Include contractor requirements

All Health risks considered in BDEP

Optional

Comments

Status

13 DCAF deliverable

Asess further need for other and (Cross-)discipline deliverables* as per

PG 01 needs improvement

Sign-off by:

Comments Fill in name

Sign-off date:

Fill in date

*Also assess need for Health input into technical disciplines and C&P. Use

cross-discipline section of PG 01 as a check list of possible health input

Ensure Health is addressed in IA.

Ensure relevant H items are addressed in Stakeholder Engagement Plan.

Review the final IA and ESHMP

Activity

Consider C&C and SIMOPS, particular risks associated with operations, e.g.

H2SActivity

Activity

HFE input into preparation of PAR/VAR 3b and other formal documentation.

Include HFE design analysis results and requirements in BDP for HFE

assurance.

Identify HFE opportunities and improvements.

All health risks must be addressed in the BDEP

HFE input into preparation of PAR/VAR 4 and other formal documentation.

Provide HFE assurance and identify opportunities and improvements as per

above.

Activity

Activity

Ensure risks identified in HFE strategy are included.

Perform HFE Human Reliability ALARP review and if appropriate include

results into report.

Update Concept Design incl. HFE ALARP justification.

Assess need for bow-tie of H risk.

Optional Preliminary bow-tie Report incl. H hazards

OptionalHealth case as part of Operations HSSE Case.

Identify FtW requirements

Activity

OptionalUpdate Project Risk Register with Health risks asociated with C&C.

Health included in Implement Pre-mobilisation process.

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5. REFERENCES

Discipline Controls and Assurance Framework (DCAF) Tool

HFE Shell DEPs

Fitness to Work (SP-1230 – Medical Examination, Treatment and Facilities)

Health Risk Assessment (SP-1231 – Occupational Health)

Public Health (SP-1232 – Public Health)

Smoking, alcohol and drug policy (SP 1233 – Smoking, Drugs and alcohol)

Medical Emergency Response (PR-1243 – Medical Emergency Response

Manual)

Reporting and investigation of HSE incidents (PR 1418 – Incident Notification, Reporting and Follow-up Procedure Part 1)

Project Design Lekhwair on Plot

Lekhwair DEW (DME) Project Hazid Study Report

Lekhwair DEW (DME) Project ALARP Study Report