Analysis - BHP shale buy shows industry shrugs off green fears
LONDON (Reuters) - BHP Billiton's (BLT.L) (BHP.AX) $12.1 billion (7.5 billion pound) agreed takeover of U.S. shale gas producer Petrohawk Energy Corp (HK.N) shows environmental concerns and weak margins have not cooled interest in this controversial energy source.
Since the countries with the biggest oil and mineral resources restrict foreign companies' ability to access those reserves, companies have been forced to reinvest their cash from bumper commodity prices in possibly the most widely criticised and least lucrative part of the industry.
BHP's move into U.S. shale gas is therefore only the latest example of a trend that appears resistant to growing political headwinds.
Companies splashed out $39 billion buying U.S. shale gas companies and assets last year, equivalent to 21 percent of all global oil and gas mergers and acquisitions activity, according to data from industry consultants Wood Mackenzie.
The players at the top of the oil industry, such as Exxon Mobil (XOM.N) and BP Plc (BP.L), were slow to realise the potential of U.S. shale gas, forcing them to buy companies to gain a foothold.
Now mid-tier international groups such as BHP and Norway's Statoil (STL.OL) are joining the game, even though the logic of these transactions is threatened by environmentalists' calls for restrictions on shale gas drilling.
Shale and other forms of "tight" or hard to extract gas are extracted by a process known as hydraulic fracturing, or fracking. This involves shooting a mixture of water, sand and chemicals such as hydrochloric acid and kerosene into a well to break up or fracture the rock and release the natural gas contained within.
Critics say the process leads to the chemicals seeping into the water table and causes climate change-causing methane gas to leak into the atmosphere. France, South Africa, Quebec and New York state have imposed outright shale drilling bans or moratoriums until the risks are better studied.
The rash of shale deals is also despite shale gas production not making anyone rich. Low U.S. gas prices and rising production costs led Petrohawk to report a net loss in the first quarter.
Analysts at UBS investment research estimate natural gas prices need to be between $5.50 and $6.00 per million British thermal units (BTU) to justify tapping into shale gas fields.
Between 2004 and 2008, U.S. natural gas prices traded well above this level, but have not done so since then. Prices averaged $4.32/million BTU in the second quarter, according to data from BP.
So what is the underlying appeal of the spate of deals in the sector?
To a large extent, it's due to a paucity of other opportunities.
Countries with big oil and gasfields tend to keep their deposits for their state oil companies to develop. And where foreign companies are given access, it is often on unattractive and highly variable terms.
By contrast, U.S. shale gas resources are open to investment, offer low legal risk, low taxes and a big prize.
Total reserves could be 650 trillion cubic feet of gas equivalent, Wood Mackenzie said. Even at today's depressed gas prices, this would be worth some $2.7 trillion.
"Its a paradigm shift. Unconventionals (shale and tight gas)are large scale, low-to-zero exploration risk," said Oswald Clint, oil analyst at brokerage Bernstein. "The majors (big oil companies) need resources."
What's more, while gas prices are weak, many shale fields also produce a form of light oil that offers fat margins. Petrohawk said it aimed for liquids to account for 16 percent of production by year-end.
Some acquirers are hoping to use the shale gas expertise they are buying in the United States to exploit shale reserves in other countries, expanding the potential prize.
The risk of losing this resource has prompted the industry to work harder to engage the public, promising greater transparency, and also to more aggressively fight critics.
"We must work hard to respond to the concerns of our neighbours," Malcolm Brinded, head of Royal Dutch Shell's (RDSa.L) oil and gas production outside the U.S., told an industry conference late last month,
"The industry should vigorously refute the significant misconceptions about tight gas production."
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