Showing posts with label CleanTech. Show all posts
Showing posts with label CleanTech. Show all posts

Sunday, 20 February 2011

Peak Oil Transition: Energy Critical Elements: Lithium and Rare Earths tnr.v, czx.v, lmr.v, rm.v, alk.ax, sqm, fmc, roc, lit, li.v, wlc.v, clq.v, res.v, ree, avl.to, nsany, f, gm, rno.pa, dai, byddf, hev, aone, vlnc

 

  We have these days report after report on Peak Oil situation, President Obama and Energy Secretary Chu admits the dear situation and promote Electric Cars. Now we have reports coming out on Strategic Commodities: Lithium and Rare Earths, which will be the materials basis for the transition into the post carbon society. 




"It was all about Oil. And it is not any more...whose in power will be holding until the last second, but even they can not change the inevitable. Now it is all about survival in the Post Carbon world. There is no more cheap oil left and revolution has began - we have the only chance to change its course and make it the new industrial revolution. The base is the new disruptive technology: Electric Cars - they will allow us to get out of Oil Needle very fast if we will take things finally seriously.
  The End of Empire has already came to our doorsteps: unsustainable debt, chronic budget deficit, insolvent corrupted financial system - it was only the part of the problem. Egypt and Wikileaks revelations show that revolution is unstoppable now and that Empire, as we remember it with U.S. policing the whole world, is not there any more. There is  not enough resources to keep the balance by just making the bad guys eating each other. China has become the world second largest economy, Energy imbalance is unsustainable and China is moving fast into the Electric Cars. Next wars will be the wars for resources - for what is left in the ground - we are hitting Peak of Everything."





Time:



Posted by BRYAN WALSH Friday, February 18, 2011 

Heard of germanium? How about neodymium? Or terbium? Or rhenium? They're not extras from a Star Trek film—these are real world elements are some of the rarest members of the periodic table. But as hard as they are to find, these substances are increasingly important to green tech, clean tech and high tech—and the U.S. doesn't have enough of them. "These elements until the last decade were laboratory curiosities," says Tom Graedel, a professor of chemical engineering at the Yale School of Forestry and Environmental Studies. "But they're central to such technologies as electric cars, wind turbines, solar cells, flat panel display screen and military technologies. They're energy critical elements."

Graedel is the co-author of a new report on those energy critical elements (ECE) from the American Physical Society and the Materials Research Society that was released today at AAAS. Graedel and his co-author—Robert Jaffe, a physicist at the Massachusetts Institute of Technology—took the stage at AAAS to describe a plan to ensure a sustainable supply of ECEs and rare earths, another set of materials key to clean tech. The report came out against the backdrop of rising fears in the U.S. over Chinese dominance in the rare earth market, where China is estimated to produce as much as 90 to 95% of the world's rare earths. Unless the U.S. moves to expand production of the elements, husband its resources and look to innovate replacements or recycle existing supplies, there is a real risk that the clean energy economy could falter as it scales up—or the U.S. could find itself trading dependence on foreign oil for dependence on foreign elements. "The problems of ECEs are real and serious," says Jaffe. "If appropriate steps are not taken we face possible short-term constraints of supply to what could otherwise be game changing energy technologies."

What are ECEs? They include rare metals like lithium, a vital ingredient for both wind turbines and hybrid cars—and one still produced mostly by China, though there are major deposits in Afghanistan and Bolivia. They include elements like tellurium, a brittle, silvery-white metallic element used in solar panels. And there's rhenium, a silvery-white metal with a high melting point that is used to make advanced turbines and jet engine parts. What they have in common is that global supplies are limited, in part because the elements rarely form in any concentration, and are instead scattered around the planet.

Despite the dependence of both the high tech and clean tech industries on these elements, the U.S. hasn't done much to increase its own supply—and in fact, policymakers don't even have a very good grasp of the global supply of these elements. (Deals are often done commercially, and the data is kept private.) Jaffe and Graedel say that laissez-faire attitude has to change. In their report they urged the federal government to gather and analyze data on ECE across the lifecycle supply chain. They want the government to launch a research and development program focused on expanding ECE supplies and innovating possible substitutes—something that the company GE was able to do when supplies of rhenium ran low. They want industry and the government to recycle ECEs and rare earths as much as possible—even retaking the valuable metals found in tiny increments in your iPhone. "Private industry and government needs to be in the market of enhancing recycling," says Jaffe. "You need high tech recycling technology."

Policymakers in Washington are beginning to wake up to the rare earth/ECE deficit. Mark Udall, a Democratic senator from Colorado, recently introduced a bill that would codify most of the report's suggestion, increasing domestic production of the elements. And China's strangehold on rare earth production may not last much longer. Molycorp Minerals has raised hundreds of millions of dollars to reopen a closed rare earths mine in Mountain Pass, California. Craig Cogut of Pegasus Capital Advisers, which has invested in Molycorp, believes that the mine could make the U.S. all but self-sufficient for rare earths. "This mine has history and quality," says Cogut. "And it's a big reserve—enough to produce 20 to 25% of the world's supply."

It will take a lot more than one mine to ensure the U.S. is ready for the clean tech era—although most other ECEs are scattered around the world, so no one country can lock down supplies. That's a relief—the clean tech era shouldn't be held hostage to the same geopolitics we suffered through with oil."
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Peak Oil Transition: Energy Critical Elements: Lithium and Rare Earths tnr.v, czx.v, lmr.v, rm.v, alk.ax, sqm, fmc, roc, lit, li.v, wlc.v, clq.v, res.v, ree, avl.to, nsany, f, gm, rno.pa, dai, byddf, hev, aone, vlnc

 

  We have these days report after report on Peak Oil situation, President Obama and Energy Secretary Chu admits the dear situation and promote Electric Cars. Now we have reports coming out on Strategic Commodities: Lithium and Rare Earths, which will be the materials basis for the transition into the post carbon society. 




"It was all about Oil. And it is not any more...whose in power will be holding until the last second, but even they can not change the inevitable. Now it is all about survival in the Post Carbon world. There is no more cheap oil left and revolution has began - we have the only chance to change its course and make it the new industrial revolution. The base is the new disruptive technology: Electric Cars - they will allow us to get out of Oil Needle very fast if we will take things finally seriously.
  The End of Empire has already came to our doorsteps: unsustainable debt, chronic budget deficit, insolvent corrupted financial system - it was only the part of the problem. Egypt and Wikileaks revelations show that revolution is unstoppable now and that Empire, as we remember it with U.S. policing the whole world, is not there any more. There is  not enough resources to keep the balance by just making the bad guys eating each other. China has become the world second largest economy, Energy imbalance is unsustainable and China is moving fast into the Electric Cars. Next wars will be the wars for resources - for what is left in the ground - we are hitting Peak of Everything."





Time:



Posted by BRYAN WALSH Friday, February 18, 2011 

Heard of germanium? How about neodymium? Or terbium? Or rhenium? They're not extras from a Star Trek film—these are real world elements are some of the rarest members of the periodic table. But as hard as they are to find, these substances are increasingly important to green tech, clean tech and high tech—and the U.S. doesn't have enough of them. "These elements until the last decade were laboratory curiosities," says Tom Graedel, a professor of chemical engineering at the Yale School of Forestry and Environmental Studies. "But they're central to such technologies as electric cars, wind turbines, solar cells, flat panel display screen and military technologies. They're energy critical elements."

Graedel is the co-author of a new report on those energy critical elements (ECE) from the American Physical Society and the Materials Research Society that was released today at AAAS. Graedel and his co-author—Robert Jaffe, a physicist at the Massachusetts Institute of Technology—took the stage at AAAS to describe a plan to ensure a sustainable supply of ECEs and rare earths, another set of materials key to clean tech. The report came out against the backdrop of rising fears in the U.S. over Chinese dominance in the rare earth market, where China is estimated to produce as much as 90 to 95% of the world's rare earths. Unless the U.S. moves to expand production of the elements, husband its resources and look to innovate replacements or recycle existing supplies, there is a real risk that the clean energy economy could falter as it scales up—or the U.S. could find itself trading dependence on foreign oil for dependence on foreign elements. "The problems of ECEs are real and serious," says Jaffe. "If appropriate steps are not taken we face possible short-term constraints of supply to what could otherwise be game changing energy technologies."

What are ECEs? They include rare metals like lithium, a vital ingredient for both wind turbines and hybrid cars—and one still produced mostly by China, though there are major deposits in Afghanistan and Bolivia. They include elements like tellurium, a brittle, silvery-white metallic element used in solar panels. And there's rhenium, a silvery-white metal with a high melting point that is used to make advanced turbines and jet engine parts. What they have in common is that global supplies are limited, in part because the elements rarely form in any concentration, and are instead scattered around the planet.

Despite the dependence of both the high tech and clean tech industries on these elements, the U.S. hasn't done much to increase its own supply—and in fact, policymakers don't even have a very good grasp of the global supply of these elements. (Deals are often done commercially, and the data is kept private.) Jaffe and Graedel say that laissez-faire attitude has to change. In their report they urged the federal government to gather and analyze data on ECE across the lifecycle supply chain. They want the government to launch a research and development program focused on expanding ECE supplies and innovating possible substitutes—something that the company GE was able to do when supplies of rhenium ran low. They want industry and the government to recycle ECEs and rare earths as much as possible—even retaking the valuable metals found in tiny increments in your iPhone. "Private industry and government needs to be in the market of enhancing recycling," says Jaffe. "You need high tech recycling technology."

Policymakers in Washington are beginning to wake up to the rare earth/ECE deficit. Mark Udall, a Democratic senator from Colorado, recently introduced a bill that would codify most of the report's suggestion, increasing domestic production of the elements. And China's strangehold on rare earth production may not last much longer. Molycorp Minerals has raised hundreds of millions of dollars to reopen a closed rare earths mine in Mountain Pass, California. Craig Cogut of Pegasus Capital Advisers, which has invested in Molycorp, believes that the mine could make the U.S. all but self-sufficient for rare earths. "This mine has history and quality," says Cogut. "And it's a big reserve—enough to produce 20 to 25% of the world's supply."

It will take a lot more than one mine to ensure the U.S. is ready for the clean tech era—although most other ECEs are scattered around the world, so no one country can lock down supplies. That's a relief—the clean tech era shouldn't be held hostage to the same geopolitics we suffered through with oil."
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Friday, 18 February 2011

Peak Oil: Lithium Drive: EV Charging Stations Play An Integral Role In Smart Grid Tec tnr.v, czx.v, lmr.v, rm.v, alk.ax, sqm, fmc, roc, lit, li.v, wlc.v, clq.v, res.v, ree, avl.to, nsany, f, gm, rno.pa, dai, byddf, hev, aone, vlnc


  The place where we are all going - post carbon society - implies that we have to be prepared to manage smart grid applications on our local community level or even at the level of households, when our energy generating (Solar, Wind), energy storage (Electric Cars) and main grid are all integrated in one smart system. Electric Cars will provide new opportunities for Vehicle to Grid systems and Lithium based storage systems become now part of new smart grid solutions. World is moving forward and this business will become not only the very important part of the successful Electric Cars roll out program, but the business opportunity itself.



"Electric Cars are coming on our streets and utility companies are getting ready to charge our future. All naysayers will be proven wrong in the end - we could only dream about the numbers of Electric Cars to be on the streets when they will put sizable constrain on the existing grid! This time will come and it will be matter of technological progress and investment into the smart grid to accommodate the new demand for electricity and flexible grid management. 
  It is a manageable task and presents an investment opportunity on its own. Who are the big players here - corporate "cream de la cream": GE, Google, Siemens, SAP, ABB and utilities companies world-wide amongst others. We are confident that they will manage to make electricity available for our Electric Cars in time.
   Electricity could be produced from the number of sources, some of them could be renewable and their share will increase dramatically in the years to come  - Oil comes from depleting source and can not sustain our Energy diet any more."
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Peak Oil: Lithium Drive: EV Charging Stations Play An Integral Role In Smart Grid Tec tnr.v, czx.v, lmr.v, rm.v, alk.ax, sqm, fmc, roc, lit, li.v, wlc.v, clq.v, res.v, ree, avl.to, nsany, f, gm, rno.pa, dai, byddf, hev, aone, vlnc


  The place where we are all going - post carbon society - implies that we have to be prepared to manage smart grid applications on our local community level or even at the level of households, when our energy generating (Solar, Wind), energy storage (Electric Cars) and main grid are all integrated in one smart system. Electric Cars will provide new opportunities for Vehicle to Grid systems and Lithium based storage systems become now part of new smart grid solutions. World is moving forward and this business will become not only the very important part of the successful Electric Cars roll out program, but the business opportunity itself.



"Electric Cars are coming on our streets and utility companies are getting ready to charge our future. All naysayers will be proven wrong in the end - we could only dream about the numbers of Electric Cars to be on the streets when they will put sizable constrain on the existing grid! This time will come and it will be matter of technological progress and investment into the smart grid to accommodate the new demand for electricity and flexible grid management. 
  It is a manageable task and presents an investment opportunity on its own. Who are the big players here - corporate "cream de la cream": GE, Google, Siemens, SAP, ABB and utilities companies world-wide amongst others. We are confident that they will manage to make electricity available for our Electric Cars in time.
   Electricity could be produced from the number of sources, some of them could be renewable and their share will increase dramatically in the years to come  - Oil comes from depleting source and can not sustain our Energy diet any more."
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Peak Oil: Lithium Drive: GM - Electric Cars are the Future gm, tnr.v, czx.v, lmr.v, rm.v, alk.ax, sqm, fmc, roc, lit, li.v, wlc.v, clq.v, res.v, ree, avl.to, nsany, f, gm, rno.pa, dai, byddf, hev, aone, vlnc



    All these new reports on Peak Oil from industry majors like Shell and Exxon will make the sale of GM Volt idea much easier. New lithium battery technology is at the heart of this revolution and it will be spreading fast. GM and Nissan both are struggling to deliver and meet demand of all early adopters who placed their orders now and it is e very good news for all of us.



"How to charge Gm Volt. It is not exactly rocket science, but a lot of people are wondering about the very basic Electric Cars issues. GM Volt is quite a piece of technology - a statement of engineering art on its own. Nissan Leaf as well...and pretty much any other Electric Cars and Hybrids for that matter and it is the very beginning of Electric Age.
  It is an educational time for the market, when consumers will realise that there are so many more benefits to driving experience and Electric Car than the ones they can think of now.
  Egypt on TV screens screams about Oil Age coming to an End - our recovery is too fragile to sustain the coming Oil Shock - we have the way out now and we can chose what to do next. At the certain level of Oil price all worries and concerns related to Electric Cars will be gone - you will be just happy to be able to drive."


"This is just getting serious day by day, it looks like WikiLeaks report about Saudi Arabia Oil Reserves was a tipping point and now all other parties start to talk about Peak Oil situation. President Obama and his administration have admitted it and Shell is talking about different scenarios to address coming shocks to the industry.


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Peak Oil: Lithium Drive: GM - Electric Cars are the Future gm, tnr.v, czx.v, lmr.v, rm.v, alk.ax, sqm, fmc, roc, lit, li.v, wlc.v, clq.v, res.v, ree, avl.to, nsany, f, gm, rno.pa, dai, byddf, hev, aone, vlnc



    All these new reports on Peak Oil from industry majors like Shell and Exxon will make the sale of GM Volt idea much easier. New lithium battery technology is at the heart of this revolution and it will be spreading fast. GM and Nissan both are struggling to deliver and meet demand of all early adopters who placed their orders now and it is e very good news for all of us.



"How to charge Gm Volt. It is not exactly rocket science, but a lot of people are wondering about the very basic Electric Cars issues. GM Volt is quite a piece of technology - a statement of engineering art on its own. Nissan Leaf as well...and pretty much any other Electric Cars and Hybrids for that matter and it is the very beginning of Electric Age.
  It is an educational time for the market, when consumers will realise that there are so many more benefits to driving experience and Electric Car than the ones they can think of now.
  Egypt on TV screens screams about Oil Age coming to an End - our recovery is too fragile to sustain the coming Oil Shock - we have the way out now and we can chose what to do next. At the certain level of Oil price all worries and concerns related to Electric Cars will be gone - you will be just happy to be able to drive."


"This is just getting serious day by day, it looks like WikiLeaks report about Saudi Arabia Oil Reserves was a tipping point and now all other parties start to talk about Peak Oil situation. President Obama and his administration have admitted it and Shell is talking about different scenarios to address coming shocks to the industry.


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Thursday, 17 February 2011

Peak Oil: The Wall Street Journal: Exxon Struggles To Find New Oil tnr.v, czx.v, lmr.v, rm.v, alk.ax, sqm, fmc, roc, lit, li.v, wlc.v, clq.v, res.v, ree, avl.to, nsany, f, gm, rno.pa, dai, byddf, hev, aone, vlnc


  This is just getting serious day by day, it looks like WikiLeaks report about Saudi Arabia Oil Reserves was a tipping point and now all other parties start to talk about Peak Oil situation. President Obama and his administration have admitted it and Shell is talking about different scenarios to address coming shocks to the industry.




"It was all about Oil. And it is not any more...whose in power will be holding until the last second, but even they can not change the inevitable. Now it is all about survival in the Post Carbon world. There is no more cheap oil left and revolution has began - we have the only chance to change its course and make it thenew industrial revolution. The base is the new disruptive technology: Electric Cars - they will allow us to get out of Oil Needle very fast if we will take things finally seriously.
  The End of Empire has already came to our doorsteps: unsustainable debt, chronic budget deficit, insolvent corrupted financial system - it was only the part of the problem. Egypt and Wikileaks revelations show that revolution is unstoppable now and that Empire, as we remember it with U.S. policing the whole world, is not there any more. There is  not enough resources to keep the balance by just making the bad guys eating each other. China has become the world second largest economy, Energy imbalance is unsustainable and China is moving fast into the Electric Cars. Next wars will be the wars for resources - for what is left in the ground - we are hitting Peak of Everything."

"Wall Street Journal:

Exxon Struggles To Find New Oil
By RUSSELL GOLD And ANGEL GONZALEZ

HOUSTON—Exxon Mobil Corp., the world's largest publicly traded oil company, is struggling to find more oil.

In its closely watched annual financial report released Tuesday, the company said that for every 100 barrels it has pumped out of the earth over the past decade, it has replaced only 95.


It's a conundrum shared by most of the other large Western oil-producing companies, which are finding most accessible oil fields were tapped long ago, while promising new regions are proving technologically and politically challenging.

Exxon said in the report that it more than made up for the shortfall in oil by stocking up on natural gas, mostly through its acquisition of XTO Energy Inc. last year.

But the shift toward gas is troubling some investors, because gas sells for less than the equivalent amount of oil. Many observers feel the move toward gas—a trend across the oil industry—is dictated more by shrinking access to oil fields than by a strong desire to emphasize gas production.

"The good old days are gone and not to be repeated," says Fadel Gheit, an analyst with Oppenheimer and Co. Bringing additional reserves from gas "is not going to give you the same punch" that oil would, he said.

Finding the equivalent, in either oil or natural gas, of a barrel in the earth for every one the company produces—a 100% reserve replacement rate—has become extraordinarily tough. Exxon boasted this was the 17th consecutive year of hitting this mark, but analysts agree that without the XTO deal, Exxon would have fallen far short this year.

Investors look at these reserve figures as an important gauge of future profitability and business strength.

Exxon now has more natural gas in reserve for future production than oil. And while the company has been very successful at finding or buying new natural gas, it has struggled to do the same with oil. For every 100 cubic feet of gas it has extracted , it has found or bought an additional 158.

Company spokesman Alan Jeffers says the company's "focus is on resources and projects that add shareholder value." That can be accomplished by finding oil, he says, but value can also be delivered through a corporate acquisition.

Exxon has become the largest U.S. company by market capitalization with a business model that stresses size and integration of assets. It has traditionally found crude oil, refined it into gasoline and other fuels and then sold these products.

But the stock market has recently favored oil companies, such as ConocoPhillips, that are shedding assets to get smaller. Smaller oil and gas finds can have a material impact on slimmed down companies.

The shift toward gas—and troubles with finding oil—has emerged as a theme for the giant Western oil companies. Royal Dutch Shell PLC's chief executive said last month the European company will produce more gas than oil next year for the first time in its 104-year history.


In the past few years, new technologies have unlocked vast resources of natural gas, depressing prices in North America and raising the possibility of falling prices in other regions also. Meanwhile, growing demand from emerging economies has sent crude-oil prices up strongly since prices cratered in 2008 during the worst of the recession. Natural gas prices closed today at $3.98 per million British thermal units, down 25% from a year ago, whereas a barrel of West Texas crude is up about 9.5% over that time, closing at $84.32 in trading on the NYMEX Tuesday.

Big oil companies are having trouble cashing in on the strong prices for crude oil. They have limited ability to drill in many oil-prone regions, such as Russia and part of the Middle East, due to politics. And even in promising Iraq, where many Western companies have won contracts, much infrastructure must be rebuilt. Exxon and others have also flocked to the oil-rich sands of Northern Alberta, Canada, but digging out the oil across vast swathes of forest comes at relatively high cost and generates concerns about the environmental impact.

One place where Western oil companies have found open doors is in deep-water exploration, because state-backed oil companies in Russia, China and the Middle East have little experience drilling these tricky wells. This has given Western companies access to new opportunities, such as Exxon's recent deal with Russian oil giant OAO Rosneft to explore the Black Sea.

The hunt for oil explains why these companies are so keen to restart work in the Gulf of Mexico, after a halt imposed by the Obama administration following the Deepwater Horizon spill. Some companies also are seeking permission to drill exploratory wells above the Arctic Circle. The Arctic remains one of the few unexplored regions of the world and the region above Alaska and western Canada is believed to be oil rich.

But deep-water projects take a long time to turn from a prospect that a geologist has identified into a producing asset. Chevron Corp.'s chief executive said last week that he expects to add new barrels of oil to its reserves from "several major deep-water projects" in future years. In 2010, he warned that Chevron added only one new barrel for every four it produced.

Given the difficulties these companies are facing, some investors have begun to wonder if Exxon bought XTO last year to "mask the extent of their replacement problem," said R. Blair Thomas, chief executive of EIG Global Energy Partners, an energy asset -management firm.

The market didn't like Exxon's announcement, sending the bellwether stock down 2.3% to $82.97 in 4 p.m. trading Tuesday on the New York Stock Exchange."
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Peak Oil: The Wall Street Journal: Exxon Struggles To Find New Oil tnr.v, czx.v, lmr.v, rm.v, alk.ax, sqm, fmc, roc, lit, li.v, wlc.v, clq.v, res.v, ree, avl.to, nsany, f, gm, rno.pa, dai, byddf, hev, aone, vlnc


  This is just getting serious day by day, it looks like WikiLeaks report about Saudi Arabia Oil Reserves was a tipping point and now all other parties start to talk about Peak Oil situation. President Obama and his administration have admitted it and Shell is talking about different scenarios to address coming shocks to the industry.




"It was all about Oil. And it is not any more...whose in power will be holding until the last second, but even they can not change the inevitable. Now it is all about survival in the Post Carbon world. There is no more cheap oil left and revolution has began - we have the only chance to change its course and make it thenew industrial revolution. The base is the new disruptive technology: Electric Cars - they will allow us to get out of Oil Needle very fast if we will take things finally seriously.
  The End of Empire has already came to our doorsteps: unsustainable debt, chronic budget deficit, insolvent corrupted financial system - it was only the part of the problem. Egypt and Wikileaks revelations show that revolution is unstoppable now and that Empire, as we remember it with U.S. policing the whole world, is not there any more. There is  not enough resources to keep the balance by just making the bad guys eating each other. China has become the world second largest economy, Energy imbalance is unsustainable and China is moving fast into the Electric Cars. Next wars will be the wars for resources - for what is left in the ground - we are hitting Peak of Everything."

"Wall Street Journal:

Exxon Struggles To Find New Oil
By RUSSELL GOLD And ANGEL GONZALEZ

HOUSTON—Exxon Mobil Corp., the world's largest publicly traded oil company, is struggling to find more oil.

In its closely watched annual financial report released Tuesday, the company said that for every 100 barrels it has pumped out of the earth over the past decade, it has replaced only 95.


It's a conundrum shared by most of the other large Western oil-producing companies, which are finding most accessible oil fields were tapped long ago, while promising new regions are proving technologically and politically challenging.

Exxon said in the report that it more than made up for the shortfall in oil by stocking up on natural gas, mostly through its acquisition of XTO Energy Inc. last year.

But the shift toward gas is troubling some investors, because gas sells for less than the equivalent amount of oil. Many observers feel the move toward gas—a trend across the oil industry—is dictated more by shrinking access to oil fields than by a strong desire to emphasize gas production.

"The good old days are gone and not to be repeated," says Fadel Gheit, an analyst with Oppenheimer and Co. Bringing additional reserves from gas "is not going to give you the same punch" that oil would, he said.

Finding the equivalent, in either oil or natural gas, of a barrel in the earth for every one the company produces—a 100% reserve replacement rate—has become extraordinarily tough. Exxon boasted this was the 17th consecutive year of hitting this mark, but analysts agree that without the XTO deal, Exxon would have fallen far short this year.

Investors look at these reserve figures as an important gauge of future profitability and business strength.

Exxon now has more natural gas in reserve for future production than oil. And while the company has been very successful at finding or buying new natural gas, it has struggled to do the same with oil. For every 100 cubic feet of gas it has extracted , it has found or bought an additional 158.

Company spokesman Alan Jeffers says the company's "focus is on resources and projects that add shareholder value." That can be accomplished by finding oil, he says, but value can also be delivered through a corporate acquisition.

Exxon has become the largest U.S. company by market capitalization with a business model that stresses size and integration of assets. It has traditionally found crude oil, refined it into gasoline and other fuels and then sold these products.

But the stock market has recently favored oil companies, such as ConocoPhillips, that are shedding assets to get smaller. Smaller oil and gas finds can have a material impact on slimmed down companies.

The shift toward gas—and troubles with finding oil—has emerged as a theme for the giant Western oil companies. Royal Dutch Shell PLC's chief executive said last month the European company will produce more gas than oil next year for the first time in its 104-year history.


In the past few years, new technologies have unlocked vast resources of natural gas, depressing prices in North America and raising the possibility of falling prices in other regions also. Meanwhile, growing demand from emerging economies has sent crude-oil prices up strongly since prices cratered in 2008 during the worst of the recession. Natural gas prices closed today at $3.98 per million British thermal units, down 25% from a year ago, whereas a barrel of West Texas crude is up about 9.5% over that time, closing at $84.32 in trading on the NYMEX Tuesday.

Big oil companies are having trouble cashing in on the strong prices for crude oil. They have limited ability to drill in many oil-prone regions, such as Russia and part of the Middle East, due to politics. And even in promising Iraq, where many Western companies have won contracts, much infrastructure must be rebuilt. Exxon and others have also flocked to the oil-rich sands of Northern Alberta, Canada, but digging out the oil across vast swathes of forest comes at relatively high cost and generates concerns about the environmental impact.

One place where Western oil companies have found open doors is in deep-water exploration, because state-backed oil companies in Russia, China and the Middle East have little experience drilling these tricky wells. This has given Western companies access to new opportunities, such as Exxon's recent deal with Russian oil giant OAO Rosneft to explore the Black Sea.

The hunt for oil explains why these companies are so keen to restart work in the Gulf of Mexico, after a halt imposed by the Obama administration following the Deepwater Horizon spill. Some companies also are seeking permission to drill exploratory wells above the Arctic Circle. The Arctic remains one of the few unexplored regions of the world and the region above Alaska and western Canada is believed to be oil rich.

But deep-water projects take a long time to turn from a prospect that a geologist has identified into a producing asset. Chevron Corp.'s chief executive said last week that he expects to add new barrels of oil to its reserves from "several major deep-water projects" in future years. In 2010, he warned that Chevron added only one new barrel for every four it produced.

Given the difficulties these companies are facing, some investors have begun to wonder if Exxon bought XTO last year to "mask the extent of their replacement problem," said R. Blair Thomas, chief executive of EIG Global Energy Partners, an energy asset -management firm.

The market didn't like Exxon's announcement, sending the bellwether stock down 2.3% to $82.97 in 4 p.m. trading Tuesday on the New York Stock Exchange."
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