API oilfield drilling cementing Casing float collar and float shoe/ drilling downhole tool
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API standard Float Collar & ShoeFloat shoes contain a backpressure valve that prevents fluids from
entering the casing while the pipe is lowered into the hole and
prevents cement from flowing back into the casing after placement,
while enabling circulation down through the casing. Float collars are placed one to three joints above the guide shoe or float shoe. They provide a seat for the cement plugs, the bottom plug pumped ahead of the cement and the top plug behind the full volume of slurry. Once seated, the top plug shuts off fluid flow and prevents over-displacement of the cement. The space between the float shoe and the float collar provides a containment area to entrap the likely-contaminated fluids from the wiping action of the top cementing plug, securing the contaminated fluid away from the shoe where a strong cement bond is of primary importance. Float collars include a backpressure valve and serve basically the same function as the float shoe. Technical parameter
Puyang Zhongshi Group Company Ltd was founded in 1996,which is the restructured enterprise of Central Plains oilfield branch company of SINOPEC . The company registered capital is 6083 million yuan,with annual output value 200 million yuan, 580 employees, including more than 160 technical and administrative staff. Oil machinery is our main products, the leading products include pumping unit,subsurface sucker rod pump, wellhead (Christmas Tree), pressure vessels,drilling solid control series products and cementing accessories, We had attained ISO 9001 in 1998 and API Certificates in 2002 .
FAQ
Q: Are you trading company or manufacturer ?A: We are factory. Q: How long is your delivery time?A: Generally it is 1-5days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity. Q: What is your terms of payment ?A: Payment<=1000USD, 100% in advance.
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| Product Tags: Casing float collar API oilfield drilling float collar Drilling downhole tool float collar | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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