Blue Cement Heads Oilfield Tool Cementing Heads Casing Single Plug
| Series: | 141 | Type: | Casing Accessories |
| Function: | Cementing Connection | ||
| High Light: | Blue Cement Heads Oilfield Tool,Oilfield Tool Cementing Heads,Blue Cementing Heads |
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CEMENTING HEAD, 142 series , single 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”
Single plug cementing head
Just before pumping the cement, the bottom plug is inserted through the container, followed by the top plug, which rests on the releasing pin. When cement activity mixing has been completed, the top plug is released before displacement starts. The downward movement of the plug into the casing is indicated by the lever mechanism below the releasing pin.
| 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 |
NOTE: 公称尺寸- SIZE; 工作压力-WORKING PRESSURE ; 内径-ID ；可容胶塞长度-Max plug length; 挡销形式: stop pin type ;套管螺纹代号:casing thread no;
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