FZF型钻具浮阀
FZF型是一种新型的钻具内防喷器。它在正常钻井时,阀盖打开,钻井液畅通循环。当井下发生井涌或者井喷时,阀盖关闭达到防喷目的。
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详细介绍
FZF型是一种新型的钻具内防喷器。它在正常钻井时,阀盖打开,钻井液畅通循环。当井下发生井涌或者井喷时,阀盖关闭达到防喷目的。起下钻作业时,防止钻井液回流,阻止泥沙进入钻柱,起到防堵作用,是钻井作业中防喷防堵的专用工具。
Model “FZF” Float Sub is a new-style drilling tool inside blowout prevent. During normal drilling, valve open, drilling fluid circulation clearly while down-hole happen to kick or blowout. The valve cap shut off in order to achieve blowout prevention. When tripping in or out, it preventing drilling fluid flowing from back and prevent mud entering into the drill string, realizing the function of preventing block. It is a special tool for preventing blowout and block in drilling operation.
Specifications
|
型号 Model |
外 径 O.D. mm (in) |
水眼直径 I.D. mm (in) |
上端接头螺纹 Upper joint thread API |
下端接头螺纹 Bottom joint thread API |
总 长 Overall length mm (in) |
浮阀芯代 Float valve wick code |
最大工作压 Max. working pressure MPa |
工作环 Working conditions |
|
FZF89/70-NC26×NC26-610 |
89 (3 1/2) |
31.8 (1 1/4) |
NC26 |
NC26 |
610 (24) |
1R/70 |
70~105 |
石油、天然气、泥浆 petroleum、natural gas、mud |
|
FZF95/70-2 3/8PAC×2 3/8PAC-610 |
95 (3 3/4) |
31.8 (1 1/4) |
2 3/8PAC |
2 3/8PAC |
610 (24) |
1R/70 |
||
|
FZF105/70-NC31×NC31-610 |
105 (4 1/8) |
54 (2 1/8) |
NC31 |
NC31 |
610 (24) |
2F-3R/70 |
||
|
FZF121/70-NC38×NC38-610 |
121 (4 3/4) |
51 (2 ) |
NC38 |
NC38 |
610 (24) |
3 1/2IF/70 |
||
|
FZF127/70-NC38×NC38-610 |
127 (5) |
51 (2) |
NC38 |
NC38 |
610 (24) |
3F/70 |
||
|
FZF165/70-NC50×NC50-610 |
165 (6 1/2) |
71.4 (2 13/16) |
NC50 |
NC50 |
610 (24) |
4R/70II |
||
|
FZF172/70-NC50×NC50-610 |
172 (6 3/4) |
71.4 (2 13/16) |
NC50 |
NC50 |
610 (24) |
5R/70 |
||
|
FZF203/70-6 5/8REG×6 5/8REG-915 |
203 (8) |
76.2 (3) |
6 5/8REG |
6 5/8REG |
915 (36) |
5F-6R/70 |
||
|
FZF241/70-7 5/8REG×7 5/8REG-915 |
241 (9 1/2) |
76.2 (3) |
7 5/8REG |
7 5/8REG |
915 (36) |
5F-6R/70 |
||
|
注明:根据客户要求以下规格浮阀芯的浮阀:1R 、1F-2R、2F-3R、3F、4R、4F、5R、5F-6R、6R; 最大工作压力35~70MPa |
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