吐哈盆地台北凹陷勒3区块七克台组沉积相研究

Study on sedimentary facies ofQ iketai Formation of
Block Le 3 in Taibei Depression of Tuha Basin

吕 栋 尹太举

Lv Dong ,Yin Taiju.

长江大学地球科学学院, 湖北荆州434023

College of Ear th and Sc ience, Y angtze
U niversity, Jingzhou 434023, China

On the basis o f co re and logg ing da ta, th is paper
researches on the fac ies sym bo l of Q iketa iForm ation o f B lock
Le 3, and gets in to the conc lusion that it is a su it o f fan delta
deposit through the analysis on type and d istribution o f rock
fac ies, sed im enta ry struc tures and the response of logg ing
curv es. It m a inly deve lops de lta front subfac ies wh ich are
further d iv ided into sub - w ater d istributary channe,l delta
fron t sheet sand and inter channe.l And then th is paper
d iscusses the re la tionsh ip betw een sed im enta ry fac ies and o il
- gas accum ulation and po ints ou t the advantageous be lt of
exploration and deve lopm ent, wh ich can prov ide a geolog ica l
ev idence for stab le production o f the o ilfie ld.