QD450(API500) Pneumatic Casing Elevators/Spiders Model:QD135,QD315,QD450  Slip type casing elevators/spiders are tools for handling casing from 41/2-14 inch O.D. and with capacties of 350 and 500 tons........Casing size (in)4 1/2,5,5 1/2,6 5/8,7,7 5/8,7 3/4,8 5/8,8 3/4,9 5/8,9...

Kellys is driving section of wohole drill stem Kellys is driving section of wohole drill stem. Kelly is available with square kelly and hexagonal kelly. kelly are manufactured strictly from API Spec7-1 and SY/T6509-2000 standard. Technical specification and...

The drill collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension..... Drill Collar NumberO.DI.DLength(mm)Bevel DiameterRefbend g Strength ratiomminmminNC23-3179.43 1/831.81 1/2915076.22.57:1NC26-35(2 3/8 IF)88.93 1/238.11 1/2915082.92.42:1NC31-41(2 7/8...

Ram type BOP,ram bop Ram type BOP is  simple and  compact  and is suited for land and platform applications. The ram in the BOP is pressure energized. The well pressure acts on the  ram to increase the sealing force  and maintain the seal even with loss of the...

Spiral Drill Collar With Elevator Groove And Slip Groove  The short drill collar produced by our company is made of special alloy steel and is accordant with mechanical property of drill collars. Besides, the connection of the drill collar is accordant with API. It is mainly used...

Spiral drill collar is used to reduce contact area with hole so as to avoid efficiently bit sticking from differential pressur Spiral drill collar is used to reduce contact area with hole so as to avoid efficiently bit sticking from differential pressure. spiral drill collars are...

Spiral Drill Collar With Elevator Groove And Slip Groove Spiral drill collar,drill collar,drilling collar Elevator groove and slip groove made on box thread face of slick drill collar or spiral drill collar can be used as lifting sub and safety slip when trip out. The technical...

The drill collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension. The drill collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension. Especially drill collar can keep drill bit centralized and hole track by large...

Top Drive for drilling Rigs, from 250 Tons to 650 tons Model:250T,350T,500T,650T Top DriveTop Drive SystemTDS is one of the greatest technological revolutions of petroleum equipment which is used to replace Kelly and rotary table. TDS can drill with triples instead of singles which can...

mud pump We can supply drilling rig spares including mud pumps,travelling block and hook,rotary table,crown block,swivel,BOP 1)  Mud pumpPower end    A)  The frame is a welded structure with steel plate, high strength, rigidity and light weight.  ...