Tiger rig Sufficient stock API standard drill pipe float valves subs/ Float valve for internal blowout preventer tools
Lifting Sub is made of high-strength alloy constructional steel and processed by heat treatment. Its mechanical properties can meet the requirement of the drill collar; the Sub connections are up to API standard. According to the shape of the up shoulder, the structure includes sloping shoulder and straight shoulder, which can be selected by customs.
Model | O.D.mm
(in) |
I.D.
mm (in) |
Upper joint
threadAPI |
Bottom joint
threadAPI |
Lengt
hmm (in) |
Float valve
wick code |
Max.
working pressure MPa |
Working
conditions |
FZF89/70-NC26×NC26 | 89
(3 1/2) |
31.8
(1 1/4) |
NC26 | NC26 | 610
(24) |
1R/70 | 35~70 | petroleu
m,natural gas,mud |
FZF95/70-2 3/8PAC×2 3/8PAC | 95
(3 3/4) |
31.8
(1 1/4) |
2 3/8PAC | 2 3/8PAC | 915
(36) |
1R/70 | ||
FZF105/70-NC31×NC31 | 105
(4 1/8) |
54
(2 1/8) |
NC31 | NC31 | 610
(24) |
2F—3R/70 | ||
FZF121/70-NC38×NC38
121 |
121
(4 3/4) |
51
(2) |
NC38 | NC38 | 610
(24) |
3 1/2IF/70 | ||
FZF127/70-NC38×NC38 | 127
(5) |
51
(2) |
NC38 | NC38 | 610
(24) |
3F/70 | ||
FZF165/70-NC50×NC50 | 165
(6 1/2) |
71.4
(2 13/16) |
NC50 | NC50 | 610
(24) |
4R/70II | ||
FZF172/70-NC50×NC50 | 172
(6 3/4) |
71.4
(2 13/16) |
NC50 | NC50 | 725
(24) |
5R/70 | ||
FZF203/70-6 5/8REG×6 5/8REG | 203
(8) |
76.2
(3) |
6 5/8REG | 6 5/8REG | 915
(36) |
5F—6R/70 |
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