a copy of NOV in china 6 years rig parts experienced manufacturer hot selling in world oil field. This kind of drilling rig specification as followsConforming to the requirements of the industry standard SY/T5527.Double pin (male) alloy sub is optional.The washpipe and packing are box structure, convenient for replacement.Equipped with rotary hose joint (4 API LP). if you want to find a chinese ...
1.NC-70 Spiral drill collar. 2.O.D:3 1/8"-11",I.D:1 1/2"-3". 3.NC-23~NC70 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 rigidity. drill collar are manufactured strictly from API Spec.7 and SY5144 standard..... Drill Collar NumberO.D.I.D.mminmminNC23-3179.43 1/831. ...
... treatment, solve the multi-point convex welding in the current shunt caused by welded, loose weld defects. especially to high-carbon ... treatment. solve the multi-point convex welding in the current shunt caused by welded, loose weld defects .especially to high-carbon ... treatment. solve the multi-point convex welding in the current shunt caused by welded, loose weld defects. especially to high-carbon ...
... , American and other styles are available 2) Pure copper braided shunt allows both jaws to carry welding Features:Unique design helps ... connection assures safe cable connection every time Pure copper braided shunt allows both jaws to carry welding currentAmperage capacity: 300A and ...
... ground• Estimated 15 year life• PWM series battery charging (not shunt)• 3-position battery select: gel, sealedor flooded• Very accurate control ...
Hot Products: A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0-9
Copyright Notice @ 2008-2022 ECOL Limited and/or its subsidiaries and licensors. All rights reserved.