Drift is a simple and popular tool for drifting I.D. of casing, tubing, drill pipe and other pipes. It is used to check whether inside diameter of all kinds of pipes are complied with standard, and to determine the max. inside diameter to be drifted after deformed. The drift is thus granted as necessary tool in workover operation.
 
Drift for casing are available in two types:
Sub Type Drift machined with threads on both top and bottom ends, the top end is connected with drillstring, the bottom end is standby.
 
Bail type Drift is composited of gauge plate and connecting rod.
 
Double Bail Drift for tubing or drill pipe is usually used on the ground. The shape of drift diameter gauge is a long cylindrical body with sucker rod thread on both ends to be connected with sucker rod, the drifting is made manually.
 
specifications - Sub Type Drift

Casing drift(in)	4 1/2	5	5 1/2	5 3/4	6 5/8	7
O.D.(mm)	92-95	102-107	114-118	119-128	136-148	146-158
Length(mm)	500	500	500	500	500	500
Up connection	NC26 2 3/8TBG	NC26 2 7/8TBG	NC31 2 7/8TBG	NC31 2 7/8TBG	NC31 2 7/8TBG	NC38 3 1/2TBG
Down connection	NC26 2 3/8TBG	NC26 2 7/8TBG	NC31 2 7/8TBG	NC31 2 7/8TBG	NC31 2 7/8TBG	NC38 3 1/2TBG

specifications - Double Bail Drift

Tubing size(in)	1 1/2	2	2 1/2	3	3 1/2	4
O.D.(mm)	38	48	59	73	84	95
Length(mm)	500	500	500	500	600	600

 

specifications - Bail Type Casing Drift

Pipe Model	Specifications(in)	Drift size
		Length (mm)	Min.diameter (mm)
Casing	<=8 5/8  9 1/8~13 3/8  >=16	150 , 305 , 305	d-3.18 d-3.97 d-4.76
Tubing	<=2 7/8  >=3 1/2	1067 , 1067	d-2.38 d-3.18

 

31/2″EUE.59×17.5F Mid Joint	27/8″EUE.59×17.5F Mid Joint	31/2″EUE.59×17.5FCable protector
27/8″EUE.59×17.5FCable protector	Stuffing box	Sucker Rod Series
Tubing	Pumping Unit

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