BUZZ-North Sea oil workers start dispute with employers over pay
LONDON, Dec (Shanghai: 600875.SS - news) 21 (Reuters) - **British labour union Unite says gives official dispute note to employers of North Sea oil and gas contractors over pay and working conditions
**Employers' association OCA and labour unions now have six weeks to find a resolution before Unite will launch a vote on strike action
**Unite and GMB unions say they are seeking a wage increase, better sick pay and paid travel time
**Companies represented by employers' association OCA include Amec Foster Wheeler (Other OTC: AMCBF - news) , Petrofac (Amsterdam: PF6.AS - news) and Wood Group