Dual Plug BTC Cement Heads Oilfield Tool Oil Drilling Machine Parts

Brand Name:SWS
Model Number:142 series double plug
Minimum Order Quantity:MOQ as per type requirements
Delivery Time:Delivery ex-mill details need to discuss
Payment Terms:T/T or LC irrevocable In sight
Place of Origin:CHINA
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Location: Changzhou Jiangsu China
Address: High tech Industrial Park Wujin zone, Changzhou, Jiangsu province, PRC
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Oil Well Cementing Tool Dual Plug BTC Double Plug Cementing Head With Factory Oilfield Tool


1) Description

Cementing head is a device fitted to the top joint of a casing string to hold a cement plug before it is pumped down the casing during the cementing operation.


2) How to work for Double Plug Cementing Head

In most operations, a bottom plug is launched before the spacer of cement slurry. The top plug is released form the cement head after the sapcer fluid. Most cement heads can hold both the top and bottom plugs. A manifold incorporated into the cement head assembly allows connection of a fluid circulation line.


3) Charateristics of Double Plug Cementing Head

1. Compact, easy to connect

2. Indicator monitoring stopper running

3. Body and short sleeve button connected by ladders

4. High strength materials and high thread to ensure it meets quality and performance requirements

5. Manifold connections, as required by the selection union.


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).




Technical Parameter

Specifications, mmΦ139.7Φ177.8Φ193.7Φ244.5Φ273Φ339.7
Overall-length,mm195020202020236023602440
Manifold2'' Union
I.D. of plug container, mmΦ125Φ160Φ175Φ225Φ250Φ320
Length of plug container, mm400450450550550600
Working Pressure, Mpa35.535.535.535.53535

China Dual Plug BTC Cement Heads Oilfield Tool Oil Drilling Machine Parts supplier

Dual Plug BTC Cement Heads Oilfield Tool Oil Drilling Machine Parts

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