(John Kemp is a Reuters market analyst. Opinions expressed are his own)
* Survey results: tmsnrt.rs/2ijPcd9
By John Kemp
LONDON, Jan 12 (Reuters) - Energy professionals have become less bearish about the outlook for oil prices in 2017 and 2018 as downside risks have fallen, an annual survey by Reuters shows.
But price expectations for the end of the decade have changed little since the last survey in March 2016.
The survey was based on a questionnaire emailed to around 5,000 energy market professionals. Responses were received from just over 1,000 in the polling period, between Jan. 9 and 11.
Brent prices in 2017 are expected to average around $55-60 per barrel, the results showed, up from about $45-50 per barrel at the time of the previous survey.
Brent prices in 2018 are expected to average around $60-65 per barrel, up from $60 in the last survey.
But prices at the end of the decade are expected to average around $70, a figure that has not changed in the past nine months (tmsnrt.rs/2ijPcd9).
The increases in 2017 and 2018 are mostly the result of fewer forecasters predicting very low prices rather than more forecasters predicting high ones.
Energy professionals have become less bearish rather than more bullish, seeing less downside risk as oil markets have steadied and prices bounced off early-2016 lows.
The percentage of respondents expecting prices to average $40 or less in 2017 has fallen to just 2.5 percent, from 23 percent last year.
The percentage of respondents expecting prices to average $50 or less in 2018 has fallen to 15 percent from 37 percent.
But there has been little change in expectations about oil prices at the end of the decade, with forecasts still broadly symmetrical around $70.
The percentage of respondents expecting prices to average less than $60 at the end of the decade has not changed much, at 35 percent compared with 42 percent.
However, fewer forecasters expect a price spike before the end of 2020.
The percentage of respondents expecting prices to average more than $80 has fallen to 24 percent from 35 percent.
And the percentage of forecasters expecting prices to return to more than $100 per barrel by the end of the decade has fallen from almost 8 percent to less than 4 percent.
Among survey respondents, 24 percent are directly involved in oil and gas production (exploration, drilling, production, refining, marketing and field services).
Most of the rest are involved in banking and finance (20 percent), hedge funds (11 percent), research (8 percent), professional services (8 percent) and physical trading (8 percent). (Editing by Dale Hudson)