Junk Mills
Design Features：
Standard bail and double pin (male) alloy sub
The washpipe and packing are box structure, convenient to replacing on drill floor, no need to disassemble rotary hose and gooseneck, Hole in gooseneck top provides passageway for well logging wireline. Standard gooseneck connection, screw thread conforms to API STD 5B. Conform to API Spec 8A and marked with API monogram.
Specification
Model SL90 SL135 SL225 SL450 SL585
Max. static load (KN) 900 1350 2250 4500 5850
Max. rotary speed (r/min) 300 300 300 300 300
Max. working pressure
MPa (psi) 25
(3570) 35
(5000) 35
(5000) 35
(5000) 35
(5000)
Clearance between bail and gooseneck
mm (in) 435
(17 1/8) 495
(19 1/2) 540
(21 1/4) 549
(21 5/8) 584
(23)
Center pipe diameter mm(in) 64 (2 1/2) 64 (2 1/2) 75 (3) 75 (3) 75 (3)
Center pipe upper
screw thread Connect to center pipe API (In) 4 1/2
REG LH 4 1/2
REG LH 6 5/8
REG LH 7 5/8
REG LH 7 5/8
REG LH
Center pipe lower
Screw thread Connect to Kelly API (In) 6 5/8
REG LH 6 5/8
REG LH 6 5/8
REG LH 6 5/8
REG LH 6 5/8
REG LH
Gooseneck connection screw thread 3″-8
teeth/inch 3″-8
teeth/inch 4″-8
teeth/inch 4″-8
teeth/inch 4″-8
teeth/inch
Dimension (L x W x H) (mm) 2505×758
×840 2505×758
×840 2880×1026
×1065 3015×1096
×1065 3115×1224
×990
Weight (kg) 940 1345 2402 3310 3230
Note: For above models, spinner (makeup and breakout) is optional.
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Standard：
API SPEC 5CT Standard of American Petroleum Institute
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