formation fluid chamber

formation fluid production

Formation Fluid Sampling

formation fluid test

native formation fluid

borehole fluid sampler

Fluid Sampler

multiple fluid sampler

Member 4 of Quantou Formation -Yaojia Formation

artificial intestinal fluid and gastric fluid

1+X formation

“One step process” formation

1 st member of Shahejie Formation

1-2 member of Xujiahe Formation

1st member of Nenjiang Formation

Ⅰ oil formation in Xing’anling Group

2(superscript nd) member of Shanxi Formation

2~nd member of Xujiahe formation

2223 phase formation