DUBAI, March 28 (Reuters) - Abu Dhabi National Oil Co (ADNOC) said on Wednesday it has signed two 3-year agreements with Japan's Idemitsu Kosan Co.

Oil prices fell about 1% after data showed US crude inventories unexpectedly rose 1.6 million barrels last week.

NEW YORK, March 28 (Reuters) - Oil prices fell about 1 percent on Wednesday after data showed U.S.

SDX Energy Inc. has spudded its Ibn Yunus-1X exploration well at South Disouq in Egypt.

The well, which is anticipated to take approximately 30 days to drill, will be targeting the same conventional natural gas bearing Abu Madi intervals discovered in the SD-1X well in April 2017.

Total field expenditures in the North Sea could amount to $378 billion over the next 3 decades.

Total field expenditures in the North Sea could amount to $378 billion (GBP 268 billion) over the next three decades, according to Alex Kemp, professor of petroleum economics and director of Aberdeen centre for research in energy economics and finance at the University of Aberdeen.

LONDON, March 27 (Reuters) - Royal Dutch Shell's U.S. boss, Bruce Culpepper, will step down at the end of the year and be replaced by former Maersk Oil Chief Executive Gretchen Watkins, the BOP Blow Out Preventer repair company gulf coast said in a statement on Tuesday.

More than a year after exiting bankruptcy, SandRidge Energy Inc. is stuck in stock-market purgatory.

(Bloomberg) -- More than a year after exiting bankruptcy, SandRidge Energy Inc.

(Bloomberg) -- Oil extended its slide following an industry report that American crude storage surged.

Futures in New York fell as much as 1.6 percent in after-hours trading.

Mexico awarded just under half of the 35 shallow-water blocks it tendered on Tuesday.

MEXICO CITY, March 27 (Reuters) - Mexico awarded just under half of the 35 shallow-water blocks it tendered on Tuesday, in an auction muddied by the promises of the presidential frontrunner to review contracts awarded under a historic energy opening if he wins the July 1 election.

ORAN, Algeria, March 25 (Reuters) - Algeria plans to offer tax incentives in a planned new energy law to attract more investment and is in discussion with foreign energy firms including BP and Anadarko to exploit its shale gas reserves, officials said on Sunday.