简要叙述半潜式平台钻井的建井程序（主要从井眼和套管尺寸介绍）。
参考答案：
A.用36”钻头钻井眼。
B.下30”套管。
C.下30”销钉连接器和隔水管（仅用于浅气层）
D.用17－1/2”钻头领眼。
E.起30”销钉连接器和隔水管（仅用于浅气层）
F.下26”钻头扩眼
G.下20”套管。
H.下防喷器组。
I.用17－1/2”钻头扩眼。
J.下13－3/8”套管。
K.用12－1/4”钻头钻井眼。
L.下9-5/8”套管。
M.用8－1/2”钻头钻井眼。
N.下7”套管（尾管）。
O.试油。
P.弃井。
Please look at the photo. It is the photo 1 my family. This is my grandfather.2 name is Dave Hand. He is a doctor. And this is my grandmother. Her name 3 Anna Brown. She is my father’s 4 . The tall man is my father. He likes playing baseball. He 5 cool. The nice woman is my mother. She likes watching TV. She has 6 yellow ring. The man with glasses is my 7 . He is my father’s brother. His 8 is Paul. He comes to see my grandparents with Emma and their daughter Mona. Look! The young woman is my aunt. Her 9 name is Smith. And the little girl is my 10 . Her name is Mona Hand. The boy in the photo is Tim. It’s me.
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