FZF type drilling tool float valve
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.
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Detailed introduction
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
Model | O.D. mm (in) | I.D. mm (in) | Upper joint thread API | Bottom joint thread API | Overall length mm (in) | Float valve wick code | Max. working pressure MPa | Working conditions |
FZF89/70-NC26×NC26-610 | 89 (3 1/2) | 31.8 (1 1/4) | NC26 | NC26 | 610 (24) | 1R/70 | 70~105 | 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 | ||
Note: According to customer requirements, the following specifications of float valves are available: 1R, 1F-2R, 2F-3R, 3F, 4R, 4F, 5R, 5F-6R, 6R; Maximum working pressure 35-70MPa |
Key words:
Gaofeng petroleum machinery and equipment, oil and gas drilling and production downhole tools
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