BOHAI SEA,FROM 131600 UTC AUG TO 181600 UTC AUG,WELLSITE
SURVEY PROJECT BY HAI YANG SHI YOU 707,IN AREA BOUNDED BY
A:38°27′24.599″N,119°02′33.935"E；
B:38°27′25.915″N,119°05′18.957"E；
C:38°29′35.674″N,119°05′17.322"E；
D:38°29′34.356″N,119°02′32.219"E.