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- Contact Person : Mr. fang zheng
- Company Name : Dezhou Rundong Petroleum Machinery Co., Ltd.
- Tel : 86-534-2620099
- Fax : 86-534-2621898
- Address : Shandong,Dezhou,No.1189, Xinhu Street ,Decheng District
- Country/Region : China
- Zip : 253000
9 5/8" casing float shoe and float collar
9- 5/8" casing float shoe & float collar
A rounded profile component attached to the downhole end of a casing string. An integral check valve in the float shoe prevents reverse flow, or U-tubing, of cement slurry from the annulus into the casing or flow of wellbore fluids into the casing string as it is run. The float shoe also guides the casing toward the center of the hole to minimize hitting rock ledges or washouts as the casing is run into the wellbore. The float shoe reduces hook weight. With controlled or partial fill-up as the string is run, the casing string can be floated into position, avoiding the need for the rig to carry the entire weight of the casing string.
The outer portions of the float shoe are made of steel and generally match the casing size and threads, although not necessarily the casing grade. The inside (including the taper) is usually made of cement or thermoplastic, since this material must be drilled out if the well is to be deepened beyond the casing point.Float collars and float shoes should be normally used together. The float shoes are fitted at the bottom, and the middle connection is 1-2 casing pipes. Chromium molybdenum extension tubes can be recycled.
FLOAT SHOE FLOAT COLLAR
The shell material N80 / P-110 / K55 ; Working Pressure 5000 PSI
The normal specifications:
13-3/8" float collar N80, 68 ppf, BTC
9-5/8" float collar N80, 47 ppf, BTC
7" float collar N80, 29 ppf, BTC
9 5/8" casing float shoe and float collar
