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Wellbore 273mm Cementing Head Oilfield Fishing Tools

Wellbore 273mm Cementing Head Oilfield Fishing Tools

273mm Cementing Head

Wellbore Cementing Head

Cementing Head Oilfield Fishing Tools

Place of Origin:

CHINA

Brand Name:

SWS

Model Number:

142 series double plug

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Product Details
Series:
142
Type:
Double Plug
Function:
Cementing Connection
Product Description

CEMENTING HEAD, 141series , double plug, OILFIELD TOOLS, WELL TOOLS, WELLBORE ACCESSORIES

 

Cementing head 

 

Cementing head is a manifold system that is installed on the top of the casing which allows the cement slurry to be pumped from the cement unit down any of the type of casing string. The cement head is also used for releasing the top and bottom cement plugs.

 

A “cement head” is screwed into the top casing collar or landing joint, depending on the type of  casing cementing job. The discharge side of the downhole pump and the cement head are connected by a series of articulated or straight sections of high-pressure steel pipe, also known as “treating iron”

 

 

Double plug cementing head

 

Heads capable of storing multiple plugs are preferred over those just carrying single plugs for operational convenience, as the use of more than one plug requires the opening of the head to insert a second (or even a third) plug after circulating the drilling fluid and launching the bottom plug. This allows not only the build-up of gels in the annulus, having an adverse effect on fluid displacement efficiency, but also cement-free fall. The risk of sticking the casing (pipe sticking) is also increased if reciprocation is stopped to allow the insertion of the additional plug (or two).

 

Wellbore 273mm Cementing Head Oilfield Fishing Tools 0

 

Wellbore 273mm Cementing Head Oilfield Fishing Tools 1

 

Technical Parameter

 

Specifications, mm Φ139.7 Φ177.8 Φ193.7 Φ244.5 Φ273 Φ339.7
Overall-length,mm 1950 2020 2020 2360 2360 2440
Manifold 2'' Union
I.D. of plug container, mm Φ125 Φ160 Φ175 Φ225 Φ250 Φ320
Length of plug container, mm 400 450 450 550 550 600
Working Pressure, Mpa 35.5 35.5 35.5 35.5 35 35

 

 

 

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