API Oilfield Well Drilling Casing Guiding Float Collar And Float Shoe For Cementing1

API Oilfield Well Drilling Casing Guiding Float Collar And Float Shoe For Cementing1

2 year ago

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Puyang Zhongshi Group Co.,Ltd

 2 year year

Product details

Product Description

Stab-in Casing Float Collar And Float Shoe API or As required

The Stab-In float collar and shoe method presents an enhanced approach for cementing large diameter casing. By utilizing the Stab-In float collar and shoe, the drill pipe can be directly inserted into the Float Shoe or Collar, enabling the pumping of cement through the drill pipe until returns reach the surface. Subsequently, the cement is displaced to the bottom of the drill pipe, and a wiper dart can be utilized in the process. Following this, the drill pipe is picked up, circulated, and ultimately pulled out of the hole.

Notably, the use of large plugs becomes essential for separating the cement from the mud, which subsequently need to be drilled out along with any cement in the casing. This method is specifically employed for cementing large diameter casings that are lowered on drill pipe. The special cementing considerations associated with this method are attributed to the high displacement volume of large diameter casing.

Features:

The use of a small diameter inner string off the drill pipe serves to displace cement, thus minimizing the displacement volume behind the cement, reducing contamination, and saving time. Additionally, the control of cement top with displacement fluid in the drill pipe and the plunger valve in the Stab-in Shoe facilitates the minimization of the drill-out of cement inside the large casing.

This method significantly enhances displacement accuracy, as cement mixing and pumping activities continue until cement returns reach the surface. Moreover, it leads to improved cement quality by reducing the cement/mud interface area and ensuring high flow velocity in the drill pipe. Notably, the reduced volume of cement minimizes contamination, while the shortened pumping time eliminates the need for cement retarders. Furthermore, conventional displacement's requirement for calculating excess cement factor is alleviated by the Stab-in method, where excess cement need not be greater than the volume of the drill pipe. This negates the need for large plugs, thereby reducing net rig time as circulating, pumping, and drill-out times are minimized.

The utilization of Stab-in cementing equipment is available in a range of sizes from 4-1/2”-36”, with the option of the Stab-in cement Float Shoe & Collar being available with Double Valve and any combination. This comprehensive range of benefits highlights the effectiveness and versatility of the Stab-in cementing approach.

Specification

Specification (in)		O.D. (mm)	Total Length	I.D. (mm)	Min.Dia. (mm)	Connection Type	Working Pressure
Float Collar	5"	141.3	500	110	50	BTC/LTC/BCSG	35
	5 1/2"	153.67	530	112	55	BTC/LTC/BCSG	35
	7"	194.46	586	162.5	77	BTC/LTC/BCSG	35
	9 5/8"	270	720	225	77	BTC/LTC/BCSG	35
	13 3/8"	365	720	319	77	BTC/LTC/BCSG	35
	20"	533.4	720	475	77	BTC/LTC/BCSG	35
Float Shoe	5"	140.3	495	110	50	BTC/LTC/BCSG	35
	5 1/2"	153.67	514	112	55	BTC/LTC/BCSG	35
	7"	194.46	533	162.5	77	BTC/LTC/BCSG	35
	9 5/8"	269.88	550	225	77	BTC/LTC/BCSG	35
	13 3/8"	339.7	550	319	77	BTC/LTC/BCSG	35
	20"	534	652	475	77	BTC/LTC/BCSG	35

Cementing Accessories, Casing Centralizer, Pressure Vessels, Cementing Tool, Pumping Units, Centralizers, Accessories, Sucker Rod

API Oilfield Well Drilling Casing Guiding Float Collar And Float Shoe For Cementing

Contact me

Chris Guan

Business Development Manager

Mazhuangqiao Industrial Park,Puyang City,Hanan Province,China.

Mobile: +86 16650566961

Tel: +0086-0393-4807842

Email: Chris(at)zspetro.com

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Puyang Zhongshi Group Co.,Ltd

 Audited supplier

2 year

Address: Puyang, China

Main Product: Sucker Rod Pump , Pump Unit, Pump Jack, Wellhead Installation, Cementing Head, Casing Centralizer

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