BHP Billiton Plc - Quarterly report on exploration26 Apr 2006
BIL
 BIBLT                                                                           
BHP Billiton Plc - Quarterly report on exploration And development activities   
BHP Billiton Plc                                                                
Share Code:    BIL                                                              
Isin:     GB0000566504                                                          
26 April 2006                                                                   
BHP BILLITON QUARTERLY REPORT ON EXPLORATION AND DEVELOPMENT ACTIVITIES         
January 2006 - March 2006                                                       
This report covers exploration and development activities for the quarter ended 
31 March 2006.  Unless otherwise stated, BHP Billiton"s interest in the projects
referred to in this report is 100 per cent, and references to project schedules 
are based on calendar years.                                                    
During the quarter, the Company saw no easing of the industry wide pressures    
that have been placing constraints on the supply side"s response to continued   
strong global demand for raw materials.  A shortage of people, equipment and    
supplies has led to tight labour markets and difficulty in sourcing construction
and drilling plant and machinery, which in turn has led to rising input costs.  
Currency strength against the US dollar has also added further pressure.  These 
conditions, which are currently particularly acute in Australia and the Gulf of 
Mexico, continue to challenge the ability of BHP Billiton to deliver development
projects to budget.  Despite these pressures, most projects currently remain on 
or ahead of schedule, with the Atlantis South schedule remaining under review   
following last year"s hurricane activity in the Gulf of Mexico, and minor       
schedule delays with certain projects in Western Australia.                     
Atlantis South Development, Gulf of Mexico, USA (BHP Billiton 44%, non-operated)
In February 2005, BHP Billiton approved a revised budget of US$1.1 billion for  
the development of the Atlantis South oil and gas reserves. The Atlantis South  
Development will have a gross nameplate daily capacity of 200,000 barrels of oil
and 180 million cubic feet of natural gas. During the quarter, the flowlines    
connecting the Atlantis production facilities to the Caesar and Cleopatra       
pipeline system were installed. Drilling of the development wells commenced with
the dedicated rig completing one well and commencing work on the second during  
the period.  Integration work continued on the Atlantis production facility at  
construction yards in Texas, USA.  Last year"s hurricanes impacted the          
availability of equipment required to allow for project completion.  The project
schedule remains under review.                                                  
North West Shelf expansion, Australia (BHP Billiton 16.67%, non-operated)       
In June 2005, BHP Billiton approved an expansion to the liquefied natural gas   
(LNG) processing facilities at the North West Shelf Project in Australia. The   
project includes the construction of a fifth liquefaction processing train with 
a gross annual capacity of 4.2 million tonnes, additional processing facilities 
and associated infrastructure. Engineering and procurement activities are       
nearing completion and most major construction contracts have been awarded. The 
construction of pre-assembly units is progressing to plan. BHP Billiton"s share 
of development costs, based on the operator"s estimate, is approximately US$250 
million. First production is expected by late 2008.                             
Neptune Development, Gulf of Mexico, USA (BHP Billiton 35%, operated)           
In June 2005, BHP Billiton approved the Neptune oil and gas development located 
in the Gulf of Mexico. The project includes the construction, installation and  
operation of a stand-alone platform and the associated subsea system with seven 
wells. The facility will have a gross nameplate daily capacity of 50,000 barrels
of oil and 50 million cubic feet of gas. During the quarter, construction       
continued on the facility"s topsides at fabrication yards in Louisiana, USA.    
The main framing was completed and installation of the deck plate commenced.    
Hull fabrication is underway and drilling plans are being finalised.            
Development costs are estimated at US$850 million (BHP Billiton share US$300    
million) with first production expected by the end of 2007.                     
Stybarrow Development, Australia (BHP Billiton 50%, operated)                   
In November 2005, BHP Billiton approved the Stybarrow oil field development     
located off the west coast of Australia. The project involves a subsea          
development and a Floating Production Storage and Offtake (FPSO) facility with a
gross daily capacity of approximately 80,000 barrels of liquids, which will be  
provided under a 10 year service agreement. During the quarter, the FPSO        
services contract was executed, and the manufacture of major equipment          
commenced. Project costs are estimated at US$600 million (BHP Billiton share    
approximately US$300 million). First production is expected during the first    
quarter of 2008.                                                                
North West Shelf Angel Development, Australia (BHP Billiton 16.67%, non-        
operated)                                                                       
In December 2005, BHP Billiton approved the development of the North West Shelf 
Venture"s Angel gas and condensate field off the west coast of Australia. The   
project involves the installation of the Venture"s third major offshore         
production platform and associated infrastructure, including a new subsea 50    
kilometre pipeline which will be tied into the North Rankin platform.           
Hydrocarbons will be produced through one processing unit with a gross daily    
capacity of up to 800 million standard cubic feet of gas and associated         
condensate. Detailed design continued during the quarter and the jacket and     
topside fabrication contracts were awarded. BHP Billiton"s share of development 
costs, based on the operator"s estimate, is approximately US$200 million. The   
development is expected to be fully operational by the end of 2008.             
MINERALS DEVELOPMENT                                                            
Aluminium                                                                       
Worsley Development Capital Projects (DCP), Australia (BHP Billiton 86%)        
The Worsley Alumina DCP was approved in May 2004 with a budget of US$192 million
(US$165 million BHP Billiton share). The projects will increase alumina capacity
by 250,000 tonnes per annum (215,000 tonnes per annum BHP Billiton share) to a  
capacity of 3.5 million tonnes per annum (3.01 million tonnes per annum BHP     
Billiton share).  Commissioning activities commenced on schedule during the     
quarter with 44 of 71 packages of work now complete and handed over to          
operations.                                                                     
Alumar Refinery expansion, Brazil (BHP Billiton 36%)                            
The Alumar Refinery expansion was approved in December 2005 with a budget of    
US$518 million (BHP Billiton share). The project includes upgrades to the       
existing production unit and duplication of the upgraded line and will increase 
alumina capacity by 2 million tonnes per annum to 3.5 million tonnes per annum  
(100% basis). During the quarter, detailed engineering and procurement work and 
construction of temporary site facilities continued and civil works of permanent
facilities commenced.  Commissioning is expected to be completed in the middle  
of 2008.                                                                        
Base Metals                                                                     
Escondida Sulphide Leach, Chile (BHP Billiton 57.5%)                            
The Escondida Sulphide Leach Project was approved in April 2004.  The project   
will produce 180,000 tonnes (103,500 tonnes BHP Billiton share) of copper       
cathode per annum, utilising a bacterially assisted leaching process on low     
grade run-of-mine ore from both the Escondida and Escondida Norte pits.  The    
resulting solutions will then be treated in conventional solvent extraction and 
electrowinning plants. During the quarter, leach pad irrigation commenced and   
ore stacking continued with approximately 32 million tonnes of ore being        
delivered to the pad to date.  Structural steel erection, electrical,           
instrumentation, piping and mechanical installation in the solvent extraction,  
electrowinning and desalination plants continued.  A project budget of US$870   
million (US$500 million BHP Billiton share) was approved by the Board.          
Production is scheduled to begin during the second half of 2006.                
Spence, Chile                                                                   
The Spence Project, approved in October 2004, will be a new open cut mine with  
associated plant facilities capable of producing 200,000 tonnes per annum of    
copper cathode through a combination of chemical and bacterial leaching.  During
the quarter, the majority of the equipment and bulk materials arrived on site   
and mine pre-strip operations proceeded to schedule.  The initial stage of the  
dump leach pad was completed and the first low grade oxide mineralisation was   
encountered as expected in the open pit.  Concrete work in all areas of the     
process plant is effectively complete and liner placement for the heaps and     
ponds is continuing.  Mechanical and structural erection works continue with all
major equipment now in place. Electrical and plant piping contractors have also 
commenced work.  The project budget is US$990 million.  Production is scheduled 
to begin during the last quarter of 2006.                                       
Carbon Steel Materials                                                          
Rapid Growth Project 2, Australia (BHP Billiton 85%)                            
The Rapid Growth Project 2 (RGP2) was approved in October 2004 with a budget of 
US$575 million (BHP Billiton share US$489 million). The project comprises       
increases in mine, rail and port capacity through the development of Ore Body   
18, purchase of additional rolling stock and a new car dumper at Finucane       
Island. Site activities are proceeding to schedule, construction progress is    
well advanced and all plans for commissioning are in place. The project will    
increase installed capacity at Western Australian Iron Ore by 8 million tonnes  
per annum by the second half of 2006 (this will be offset by an 8 million tonnes
per annum reduction in capacity due to the suspension of the Goldsworthy ship   
loading operations at Finucane Island in the third quarter of 2006, related to  
the Rapid Growth Project 3).                                                    
Rapid Growth Project 3, Australia (BHP Billiton 85%)                            
The Rapid Growth Project 3 (RGP3) was approved in October 2005.  The project    
will comprise expansions to mine, rail and port facilities.  Installed capacity 
at Western Australian Iron Ore"s Area C mine will increase by 20 million tonnes 
per annum by the fourth quarter of 2007, and the project will also deliver some 
latent capacity at the port to be utilised in future expansions.  Engineering   
activities are well advanced and procurement works are continuing to plan.      
Initial construction works have commenced at mine, port and rail sites.         
Development costs are estimated at US$1.5 billion (US$1.3 billion BHP Billiton  
share).                                                                         
Samarco Third Pellet Plant Project, Brazil (BHP Billiton 50%)                   
The Samarco Third Pellet Plant Project was approved in October 2005.  The       
project will increase annual iron ore pellet production capacity by 7.6 million 
tonnes to 21.6 million tonnes per annum (100% basis).   The new facilities will 
include additional mining capacity and a new concentrator at the Germano site, a
400-kilometre slurry pipeline from Germano to Ponta Ubu and a third pellet      
plant, additional stockyard and enhanced shiploading capacity at the Ponta Ubu  
site.  During the quarter, the majority of the equipment supply contracts were  
awarded and delivery of pipes to locations along the pipeline route in          
preparation for installation commenced. The project budget is US$1.18 billion   
(US$590 million BHP Billiton share).  Production is scheduled to commence during
the first half of 2008.                                                         
Stainless Steel Materials                                                       
Ravensthorpe Nickel Project, Australia                                          
The Ravensthorpe Nickel Project was approved in March 2004. The project includes
the development of a mine, treatment plant and associated infrastructure near   
Ravensthorpe in Western Australia.  The Ravensthorpe processing plant will      
produce a mixed nickel-cobalt hydroxide intermediate product (MHP).             
Engineering, procurement, off site fabrication and infrastructure activities    
continue to proceed to schedule. Key milestones achieved during the quarter     
include erection of the acid plant stack, mobilisation of the first mechanical  
and piping installation contractor and placement of the first flash vessels in  
the pressure acid leach area. The project is approximately 60 per cent complete.
Following a review of project costs completed in August 2005, a revised budget  
of US$1,340 million was approved.                                               
Yabulu Extension Project, Australia                                             
The Yabulu Extension Project was approved in March 2004. The metal refining     
section of the Yabulu refinery near Townsville in Queensland is being expanded  
to process up to 220,000 tonnes of MHP. This additional processing capacity will
increase refinery production to 76,000 tonnes of nickel and 3,500 tonnes of     
cobalt.  Construction is underway with major subcontractors for civil works and 
mechanical and piping mobilised to site.  The project is approximately 47 per   
cent complete.  Following a review of project costs completed in August 2005, a 
revised budget of US$460 million was approved.  First nickel metal production   
from the expanded Yabulu refinery is on schedule for the third quarter of 2007. 
PETROLEUM EXPLORATION                                                           
Exploration and appraisal wells drilled during the quarter or in the process of 
drilling as at 31 March 2006.                                                   
WELL           LOCATION        BHP BILLITON     STATUS                          
EQUITY                                           
Blackbeard     Gulf of         5% BHP Billiton; Drilling ahead.                 
West           Mexico,         Exxon operator                                   
               South                                                            
Timbalier                                                        
               Block 168                                                        
Knotty Head 1  Gulf of         25% BHP          Successful                      
               Mexico,         Billiton;        appraisal of side               
Green Canyon    Nexen operator   track well.  See                
               512                              News Release of 20              
                                                December 2005.                  
Puma-2 & 3     Gulf of         33.3% BHP        Puma 2 temporarily              
Mexico,         Billiton;        suspended.  Rig                 
               Green Canyon    BP operator      undergoing repairs.             
               821 / 866                        Puma 3 surface                  
                                                casing set.                     
Everest        Gulf of         34% BHP          Plugged and                     
               Mexico,         Billiton;        abandoned.                      
               Atwater Valley  BP operator      Dry hole.                       
               272                                                              
Ouachita-1     Gulf of         16.875% BHP      Drilling ahead.                 
               Mexico,         Billiton;                                        
               Green Canyon    Amerada Hess                                     
               376             operator                                         
Davan-1        UK North Sea    35% BHP          Plugged and                     
               Block 9 / 5a-4  Billiton;        abandoned.                      
                               Total operator   Results being                   
                                                evaluated.                      
Jacala-1       Western         55% BHP Billiton Dry hole.  Plugged              
               Australia       and operator     and abandoned.                  
               Exmouth sub-                                                     
               basin                                                            
WA-351-P                                                         
MINERALS EXPLORATION                                                            
BHP Billiton continued to pursue global exploration opportunities for key       
commodities of interest utilising both in-house capabilities and the Junior     
Alliance Programme.                                                             
Exploration continued on diamond targets in Canada, Angola and the Democratic   
Republic of Congo (DRC); on copper targets in Mongolia, the DRC and Mexico; and 
on nickel targets in Australia, Botswana and China.  Exploration for iron ore,  
coal and bauxite was undertaken in a number of regions including Australia, East
Asia, South America and West Africa.                                            
EXPLORATION EXPENDITURE                                                         
During the nine months ended 31 March 2006, BHP Billiton spent US$154 million on
minerals exploration, of which US$150 million was expensed, and US$332 million  
on petroleum exploration, of which US$162 million was expensed.                 
****                                                                            
Further information on BHP Billiton can be found on our Internet site:          
www.bhpbilliton.com                                                             
Australia                                                                       
Jane Belcher, Investor Relations                                                
Tel: +61 3 9609 3952  Mobile: +61 417 031 653                                   
email: Jane.H.Belcher@bhpbilliton.com                                           
Samantha Evans, Media Relations                                                 
Tel: +61 3 9609 2898  Mobile: 61 400 693 915                                    
email: Samantha.Evans@bhpbilliton.com                                           
United Kingdom                                                                  
Mark Lidiard, Investor & Media Relations                                        
Tel: +44 20 7802 4156  Mobile: +44 7769 934 942                                 
email: Mark.Lidiard@bhpbilliton.com                                             
Illtud Harri, Media Relations                                                   
Tel: +44 20 7802 4195  Mobile: +44 7920 237 246                                 
email: Illtud.Harri@bhpbilliton.com                                             
United States                                                                   
Tracey Whitehead, Investor & Media Relations                                    
Tel: US +1 713 599 6100 or UK +44 20 7802 4031                                  
Mobile: +44 7917 648 093                                                        
email: Tracey.Whitehead@bhpbilliton.com                                         
South Africa                                                                    
Alison Gilbert, Investor Relations                                              
Tel: +27 11 376 2121 UK +44 20 7802 4183                                        
email: Alison.Gilbert@bhpbilliton.com                                           
Date: 26/04/2006 08:45:42 AM Produced by the JSE SENS Department