Welcome to visit

API Spec7 Non Magnetic Flex Drill Collar for for Oil Well Drilling

US$1,800.00
100-199 pieces
US$1,750.00
200+ pieces

Basic Info.

Model NO.
API
Manufacturing Process
CNC Milling
Surface Treatment
Spray-Paint
Operation Pressure
Atmospheric Pressure
Material
Alloy
Size
2.3/8",2.7/8", 3.1/2", 4", 4.1/2", 5", 5 1/2 Inch
Diameter
60.32mm-139.7mm
Transport Package
Export Packing
Trademark
GPE
Origin
China
HS Code
8431
Production Capacity
150000

Packaging & Delivery

Package Size
500.00cm * 500.00cm * 300.00cm
Package Gross Weight
500.000kg

Product Description

Good Price API Oilfield Lifting Sub Lift Sub Drill Collar for Oil Well Drilling Sale
The drill collars are made of modified AISI 4145H chromium molybdenum alloy steel. These drill collar bars are full-length heat treated and water quenched to obtain ASTM A-370 mechanical properties. Full mechanical and chemical mill test certifications are supplied with all drill collars. These mill test certifications guarantee a hardness range of 285 to 341 BHN and an impact value of 40 ft.-lbs. at room temperature one inch below the surface.To ensure close tolerance bores, all drill collar bars are trepanned then drifted to API specifications. Bar surface finish is "as rolled" which is original mill finish.
Welcome to consult, we will provide the most comprehensive technical support!

Connections ODmm IDmm Lengthmm
NC23-31 79.4 31.8 9150
NC26-35 88.9 38.1 9150
NC31-41 104.8 50.8 9150 or 9450
NC35-47 120.7 50.8 915 or 9450
NC38-50 127 57.2 9150 or 9450
NC44-60 152.4 57.2 9150 or 9450
NC44-60 152.4 71.4 9150 or 9450
NC44-62 158.8 57.2 9150 or 9450
NC46-62 158.8 71.4 9150 or 9450
NC46-65 165.1 57.2 9150 or 9450
NC46-65 165.1 71.4 9150 or 9450
NC46-67 171.4 57.2 9150 or 9450
NC50-67 171.4 71.4 9150 or 9450
NC50-70 177.8 57.2 9150 or 9450
NC50-70 177.8 71.4 9150 or 9450
NC50-72 184.2 71.4 9150 or 9450
NC56-77 196.8 71.4 9150 or 9450
NC56-80 203.2 71.4 9150 or 9450
6 5/8REG 209.6 71.4 9150 or 9450
NC61-90 228.6 71.4 9150 or 9450
7 5/8REG 241.3 76.2 9150 or 9450
NC70-97 247.6 76.2 9150 or 9450
NC70-100 254 76.2 9150 or 9450
8 5/8REG 279.4 76.2 9150 or 9450

>> German Rehau profile pvc windows and doors with Ass2208 glazed certificated
>> High Quality Original Parts for Buses and Coaches Inductive Proximity Switches
>> Vmc7032 Dividing Head CNC Milling Machine with 4 Axis
>> HC-O005 TOP Sale 24L Automatic Medical Table top steam sterilizer/ Top Pressure table steam autoclave sterilizer
>> Automatic High Precision Twelve Weighing Units Down and Fiber Integrated Filling Machine Manufacturer (RM2-12)
>> Taijia GW-50+ Concrete Reinforcement Cover Detect Device Concrete Cover Meter Ferro Scanner
>> Travel Skinny 20 oz Double Wall 20oz Skinny Tumbler Diy Sublimation Blanks
>> Digital RGBW 4 pin Smart LED chip WS2812b/RGBW With IC built-in LC8812C RGBw RGBWW RGBNw 5050 SMD Addressable LED Chip
>> Factory Price Agricultural Industrial Water Treatment Sand Filters 120 Mesh 3 Inch Drip Irrigation Disc Filter
>> Monitoring of diseases for whole body scanning non-invasive in 5 minutes.
>> Wisdom Guillotine Hydraulic Marble Splitting Machine Stone Splitter for Curb Kerb Stone Marble Granite Paving Stone Wall Stone
>> Tractor Mounte Deep Tillage Subsoiler Combined with Disc Harrow for Agricultural Machines
>> Small Injection Parts for Household Plastic
>> 1501 Single Head Flat Computerized Embroidery Machines With Price Tajima Embroidery Machine
>> Popular Selling Chinese 75 Tons Crawler Crane Lifting Crane Scc750e
>> Sedex Approval Christmas Cake Topper Christmas Craft Picks
>> Top Brand Sports Watches Blue Dial Stainless Steel Rose gold Bracelet Stylish Luxury Watches Men wrist
>> Montessori Kids Drawing Toys Wooden Stencils Learning Education
>> China Wholesale Wall Bed Modern Wooden Office Hotel Living Room Home Bedroom Furniture
>> Environmental Stationary Wood Sawdust Firewood Screening Machine