rigo oil company limited (tunisian branch) bazma tcm/ocm – tunis may 13 th, 2010 bazma permit...

RIGO OIL COMPANY LIMITED (Tunisian Branch)RIGO OIL COMPANY LIMITED (Tunisian Branch) BAZMA TCM/OCM – Tunis May 13BAZMA TCM/OCM – Tunis May 13thth, 2010, 2010

BAZMA PERMITBAZMA PERMITTCM/OCM Tunis May 13TCM/OCM Tunis May 13thth, 2010, 2010


TUNISIA - BAZMA EXPLORATION PERMITTUNISIA - BAZMA EXPLORATION PERMIT

TCM/OCM – TUNIS MAY 13TCM/OCM – TUNIS MAY 13thth, 2010, 2010

AGENDAAGENDA

1.1. IntroductionIntroduction

2.2. 2009/2010 Seismic Acquisition & Reprocessing2009/2010 Seismic Acquisition & Reprocessing

3.3. Current status and future plansCurrent status and future plans

4.4. Revised Budget 2010Revised Budget 2010

5.5. AOBAOB



EXPLORATION HISTORY & WORK FLOWEXPLORATION HISTORY & WORK FLOW

EXPLORATION EXPLORATION

PHASESPHASES

WORK WORK

COMMITMENTCOMMITMENT

22nd nd EXPLORATION PHASE (3 Years)EXPLORATION PHASE (3 Years)

WELL WELL

COMMITMENTCOMMITMENT

JOINT JOINT

VENTUREVENTURE

YEARYEAR 20082008 20092009 20102010 20112011 20122012 20132013 20142014 20152015 20162016 20172017200720072006200620052005

EXPLORATORY WELL EXPLORATORY WELL

TD 2500 mTD 2500 m

28.7.0628.7.06

WORK DONEWORK DONE

200 Km of re-processing200 Km of re-processing

WELL WELL

DRILLEDDRILLED

SEISMIC OPTIONSEISMIC OPTION 11st st EXPLORATION PHASE (4 Years)EXPLORATION PHASE (4 Years)

27.7.1127.7.11

27.7.1427.7.14

33rd rd EXPLORATION PHASE (3 Years)EXPLORATION PHASE (3 Years)

27.7.1727.7.17

EXPLORATORY WELL EXPLORATORY WELL

TD 3500? mTD 3500? m

EXPLORATORY WELLEXPLORATORY WELL

TD ? mTD ? m

1,616 Km1,616 Km22

Financial Engagement: 3.5 MUS$Financial Engagement: 3.5 MUS$ Financial Engagement: 5 MUS$Financial Engagement: 5 MUS$ Financial Engagement: 3 MUS$Financial Engagement: 3 MUS$

50 Km of 2D seismic50 Km of 2D seismic

Proc.& Interpretation Proc.& Interpretation

11 Year extension Year extension

28.7.1028.7.10

1335 Km of Reprocessing 1335 Km of Reprocessing

298 Km of 2D seismic298 Km of 2D seismic

Processing & Interpretation Processing & Interpretation

RIGO: 100%

EOG: Seismic option


Seismic Interpretation Seismic Interpretation



SEISMIC ACQUISITION – MAPPED LEADSSEISMIC ACQUISITION – MAPPED LEADS

Ordovician Subcrop to S

Thickening Permian to NE

10 km

Lead BZ 1

Lead BZ 2


Lead BZ 1


LEAD BZ1 – SEISMIC LINE IKV 121LEAD BZ1 – SEISMIC LINE IKV 121

SWSW NENE




Lead BZ 1

NWNW SESE




Lead BZ 2

NWNW SESE




Lead BZ 2

SWSW NENE



TOP ORDOVICIAN TIME-STRUCTURE MAP (C.I.: 10 ms)TOP ORDOVICIAN TIME-STRUCTURE MAP (C.I.: 10 ms)

Scale as per grid markings

IKV 121

IKV 103

IKV 11

0

IKV 158IKV 124

IKV 113

IKV 64IK

V 232

(?)2 km

Lack of data coverage


2009/2010 Seismic Acquisition2009/2010 Seismic Acquisition

& Reprocessing & Reprocessing



SEISMIC ACQUISITION SUMMARYSEISMIC ACQUISITION SUMMARY

Survey acquired by CGGVeritas, Crew TUN3246Survey acquired by CGGVeritas, Crew TUN3246

Survey line clearing commencedSurvey line clearing commenced 12 December 200912 December 2009

Survey acquisition commencedSurvey acquisition commenced 25 December 200925 December 2009

Survey acquisition completedSurvey acquisition completed 14 January 2010 14 January 2010

Clean-up completed 26 January 2010Clean-up completed 26 January 2010

Source Km acquired 298,44 Km (16 lines)Source Km acquired 298,44 Km (16 lines)

Receiver Km acquired 413 KmReceiver Km acquired 413 Km



SEISMIC ACQUISITION SUMMARY - HSESEISMIC ACQUISITION SUMMARY - HSE

• 1 FAC

• 9 HSE meetings

• 334 Toolbox meetings

• 181 inductions

2 drills



SEISMIC ACQUISITIONSEISMIC ACQUISITION

TOPICS

•Seismic Objectives• - data quality

•Programme Design

•Acquisition Parameters

•Acquisition Summary

•Processing and Reprocessing




•Seismic Objectives•

- Infill existing 2D seismic grid in critical areas

- Improve data quality, focussing on deeper objectives

- Consistent data set of new and existing data




TOPICS


•Programme Design






PROPOSED SEISMIC REPROCESSING & ACQUISITION PROGRAMMESPROPOSED SEISMIC REPROCESSING & ACQUISITION PROGRAMMES(Reprocessing programme subject to obtaining copies of tapes and records;

acquisition programme for illustrative purposes only)

Seismic Reprocessing

~700 km

Seismic Acquisition~250 km

Identified Leads

5 km

Bazma Permit



SEISMIC ACQUISITION – GOOGLE SATELLITE VIEWSEISMIC ACQUISITION – GOOGLE SATELLITE VIEW



SEISMIC ACQUISITION SEISMIC ACQUISITION

TOPICS


•Programme Design






SEISMIC ACQUISITION – SURVEY PARAMETERS – NEW ACQUISITIONSEISMIC ACQUISITION – SURVEY PARAMETERS – NEW ACQUISITION

• Survey size ( source ) 298.44 km• Sources 4 vibrators, 4 sweeps each, 1m apart• Sweep definition 06 – 72 Hz, fit over 12s, 500/300 ms tapers

(start / end)• Drive level 70%• Source Interval 30m

• Receiver stations 360 split spread (180 + 180; 5400m – 5400m)● Plus 120 stations as tailends ( start & end )

• Receivers 2 x 12 in-line• Group Interval 30m• Nominal Fold 90• Record Length 5s• Sample Rate 2ms• Data Format / Media SEG-D 8058 / Nastor 250 Gb tapes

• Upholes 25 Uphole depth 40 – 50m



SEISMIC ACQUISITION – SURVEY PARAMETERS – EXISTING ACQUISITIONSEISMIC ACQUISITION – SURVEY PARAMETERS – EXISTING ACQUISITION

• Sources Dynamite• Charge Size 36 1kg charges• Charge Array 3 rows, 45m apart, half feather 210m x 90m• Charge Separation 14m

• Spread configuration 3901 – 332 – 332 – 3901m – 96 traces• Receiver station sepn 83m• Geophone pattern 6 rows of 12 geophones, rows 1m apart

● Half feather 164.5m x 5m• Geophone separation 7m •Nominal Fold 24• Record Length 6s Sample Rate 2ms



SEISMIC ACQUISITION – VIBRATOR SETUP SEISMIC ACQUISITION – VIBRATOR SETUP



SEISMIC ACQUISITION – VIBRATORS IN THE FIELDSEISMIC ACQUISITION – VIBRATORS IN THE FIELD



SEISMIC ACQUISITION - VIBROSEIS ACQUISITION SEISMIC ACQUISITION - VIBROSEIS ACQUISITION



SEISMIC ACQUISITION – ACQUIRED VIBRATOR LINESEISMIC ACQUISITION – ACQUIRED VIBRATOR LINE



SEISMIC ACQUISITION – ACQUIRED SOURCE LINESSEISMIC ACQUISITION – ACQUIRED SOURCE LINES



SEISMIC ACQUISITION – ACQUIRED RECEIVER LINESSEISMIC ACQUISITION – ACQUIRED RECEIVER LINES



SEISMIC ACQUISITION – RECEIVER LAYOUTSEISMIC ACQUISITION – RECEIVER LAYOUT



SEISMIC ACQUISITION – RECEIVERS IN THE FIELDSEISMIC ACQUISITION – RECEIVERS IN THE FIELD



SEISMIC ACQUISITION – TAIL AND RECEIVER DEPLOYMENTSEISMIC ACQUISITION – TAIL AND RECEIVER DEPLOYMENT



SEISMIC ACQUISITION – UPHOLESSEISMIC ACQUISITION – UPHOLES



SEISMIC ACQUISITION – UPHOLE LOCATIONSSEISMIC ACQUISITION – UPHOLE LOCATIONS



SEISMIC ACQUISITION – UPHOLE RECORDING SETUPSEISMIC ACQUISITION – UPHOLE RECORDING SETUP



SEISMIC ACQUISITION – EXAMPLE UPHOLE INTERPRETATIONSEISMIC ACQUISITION – EXAMPLE UPHOLE INTERPRETATION



SEISMIC ACQUISITION – UPHOLE SOURCESEISMIC ACQUISITION – UPHOLE SOURCE



SEISMIC ACQUISITION – PERMANENT MARKERSSEISMIC ACQUISITION – PERMANENT MARKERS



SEISMIC ACQUISITION – LOCATION PERMANENT MARKERSSEISMIC ACQUISITION – LOCATION PERMANENT MARKERS



SEISMIC ACQUISITION – BRUTE STACK LINE 2SEISMIC ACQUISITION – BRUTE STACK LINE 2




TOPICS


•Programme Design



Processing and Reprocessing



SEISMIC ACQUISITION – PROCESSING AND REPROCESSINGSEISMIC ACQUISITION – PROCESSING AND REPROCESSING

•Seismic Processing 298.44 km ( source )• 413 km ( receiver )

•Seismic Reprocessing 1,339 km (1 line unavailable; 2 lines restricted)



PROPOSED SEISMIC REPROCESSING & ACQUISITION PROGRAMMESPROPOSED SEISMIC REPROCESSING & ACQUISITION PROGRAMMES(Reprocessing programme subject to obtaining copies of tapes and records;

acquisition programme for illustrative purposes only)

Seismic Reprocessing

~700 km

Seismic Acquisition~250 km

Identified Leads

5 km

Bazma Permit



SEISMIC ACQUISITION – PROCESSING AND REPROCESSINGSEISMIC ACQUISITION – PROCESSING AND REPROCESSING

• Bids requested from 8 contractors – 7 replied within time

• PGS Cairo selected based on pricing and software capability (notably surface and demultiple techniques)


Current status and future plansCurrent status and future plans

rigo oil company limited (tunisian branch) bazma tcm/ocm – tunis may 13 th, 2010 bazma permit...

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