石油勘查 meaning in English

oil detection

Those enterprises that enter the above mentioned blocks for petroleum prospecting ( at the stage of regional assessment and prospecting stage ) before chinese - foreign cooperative blocks are publicized shall retreat from such blocks after chinese petroleum companies have concluded contracts with foreign enterprises
对外合作区块公布前，已进入该区块进行石油勘查（尚处于区域评价勘查阶段）的企业，在中方石油公司与外国企业签订合同后，应当撤出。
Article 9 after chinese - foreign cooperative blocks are publicized , no other enterprise may enter these blocks for doing petroleum prospecting activities , nor may it sign agreements concerning economic and technological cooperation with foreign enterprises in exploiting petroleum within these blocks , except for the cooperative exploitation of continental petroleum resources by chinese petroleum companies together with foreign enterprises
第九条对外合作区块公布后，除中方石油公司与外国企业进行合作开采陆上石油资源活动外，其他企业不得进入该区块内进行石油勘查活动，也不得与外国企业签订在该区块内进行石油开采的经济技术合作协议。