SUBS, LIFTING SUBS AND & PLUGS
LIFTING SUBS "UDT MAKE"  lifting subs can be either tapered or square shoulder types  and are made from AISI 4145/4140. They are available in all diameters and lengths. When ordering ,  specify  size  and type Drill collar OD Tool Joint OD Tapered, square shoulder  or  combination Drill pipe OD Drill  collar connection size & type Bore Pressed or  cast steel thread protectors
LIFT PLUGS "UDT MAKE"   lift plugs are of heat treated steel  alloy. Crown sections are bored out to reduce weight. They are available in all sizes with or without lifting bail. When  ordering specify : Drill Collar OD. Drill Collar connection Type & size. Lifting Plate OD. Bore.
ROTARY SUBS AND KELLY  SAVER SUBS
Rotary subs and Kelly  saver subs an available from UNITED in al standard diameters. When ordering,  please specify on all Subs : Sub use ( such as Kelly sub, x-over drill pipe to drill collar, x-over drill collar to drill collar, bit sub etc.) so that correct bevel diameter should be given. Overall Length. Largest Diameter. Bore. Size & Type of connection, Pin/box & special joint features , if any. Diameter and Length of the reduced section .( for reduced section subs). Float bore , size & type ( for bit subs ). Stretch or latch on and desired OD of the Protector ( for kelly saver subs with protector).

 

Licence No.API 5CT-0565
Licence No.API 5L-0424
Licnece No.API 11V1-0014
Licence No. API-7-0393
Licence No.API-7-1-0393

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