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api aisi 4145h spiral and non magnetic drill collars

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(Factory)API Spiral Drill Collar - NEAG OIL GAS (China

The Spiral Drill Collar of is made from AISI 4145H modified alloy steel, and completely meets the requirement of API Spec 7-1 and SY/T5144 Standard. It is a kind of drill collar which adds three dextrogyrate spiral groove on the outer circle of ordinary drill collar when processing, and the purpose is to reduce the area of contact and friction 6-1/2 OD Spiral Drill Collar NC 50 Connection (JSH OEM:JSH Drilling Tools Country of Origin:China Nominal OD:6 1/2 (6.500) Nominal ID:2 13/16 (2.8125) Material Grade:AISI 4145H Modified Nominal Weight:86.79# Nominal Wall Thickness:1.844 Drift Size:2 11/16 (2.6875) Manufacturing Criteria:API Spec 7 / NS-1

Api 7 Standard 6 3/4 " Short Non Magnetic Drill Collar

Drill collars are manufactured from AISI 4145H modified steel, and are supplied in the "as rolled" surface finish condition. Alternative surface finishes are available. Trepanning and Heat Treatment:Drill collars are trepanned and drifted to API Spec 7-1. Api 7-1 Non Magnetic Spiral Drill Collar by Dongying Lake Buy high quality Api 7-1 Non Magnetic Spiral Drill Collar by Dongying Lake Petroleum Technology Company. Supplier from China. Product Id 753939. China Oilfield Drill Collar / Oil Drilling Collar API 4) Material:AISI 4145H,AISI4145H mod, Mon-mag material The spiral drill collars are made of 4145H modified chromium-molybdenum alloy steel according to API Spec.7 and SY/T5144.All threads can be phosphated, copperized or cold worked.All threads are machined with CNC Lathed-Double-shouldered and a special thread, the max diameter of drill

China P550 Oilfield Non Magnetic spiral Drill Collar

Material :AISI 4145H ,AISI4145H mod,Mon-mag material The spiral drill collars are made of 4145H modifiedchromium-molybdenum alloy steel according to API Spec.7 and SY/T5144 .All threads can be phosphated ,copperized or cold worked .All threads are machined with CNC Lathed-DoubleShouldered and a special thread , the max diameter of drill collar DRILL COLLAR - American Steel ProductsMAGNETIC DRILL COLLAR Slick and Spiral Drill Collars according to API Spec 7-1 NS1 and DS1 properties 4145H Material. Hot Rolled Stress Reflief Groove SRG on PIN Bore Back on Box Connections Phospatized Cold Roll on Threads to improve fatigue resistance Thread Protectors Pony Drill Collar available NON MAGNETIC DRILL COLLAR Drill Collars are made Drill Collars - Drill And Complete Drilling Engineering AISI 4145H Modified Steel. API Spec. 7-1 . PONY. Also known as a Short Drill Collar (SDC), pony collars measure less than the standard drill collar length. While our average drill collar length is 31 6, pony collars can measure between just five and 15 feet. STEEL AND NON-MAG. Our non-magnetic drilling collars are typically made

Drilling Tools Products Drill Collars

As you drill in areas closer to the earth's magnetic poles, it is essential to use a non-magnetic drill collar. Our non-mag drill collars offer strength and hardness while neutralizing magnetic inference. Compatible with standard drill string tools and stabilizers, our non mag drill collars are manufactured to API Non Magnetic Drill Collar - Non Magnetic Drill Collar Non-magnetic drill collar, as per API standard Non-magnetic drill collar, specifications:Standard:API 7-1 OD :3 1/8''---11'' Length 10'--31' Non-magnetic materia Other materials:AISI 4145 H / 4145H Mod The products are of high quality and with Non Magnetic Drill Collar - Non Magnetic Drill Collar Non-magnetic drill collar, as per API standard Non-magnetic drill collar, specifications:Standard:API 7-1 OD :3 1/8''---11'' Length 10'--31' Non-magnetic materia Other materials:AISI 4145 H / 4145H Mod The products are of high quality and with

Non-Magnetic Drill Collar - Hebei Shitan Machinery

Drill Collar, Drill Pipe, Kelly manufacturer / supplier in China, offering API Spec 7-1 AISI 4145h Heavy Weight Drill Rod/Drill Pipe O. D 168.3mm, API Spec 7-1 AISI 4145h Water Well Drilling Heavy Weight Drill Rod/Drill Pipe O. D 168.3mm, API Spec 7-1 AISI 4145h Oil Drilling Heavy Weight Drill Rod/Drill Pipe O. D 168.3mm and so on. OCTG - Drill Collars Mid-ContinentCommon drill collar sizes are shown in the table below. Products are manufactured to API Spec. 7/7-1 and API RP7G where applicable and can come customized with additional features and proprietary connections of leading manufacturers per your requirements. We also offer Pony Collars and Non-Magnetic Drill Collars. Pony Drill Collars Oilfield ConnectWide range of API Pony Drill Collars, manufactured from API 7-1 / 7-2 compliant material. Specifications:API SPEC 7-1 / 7-2. Available sizes:3 1/8 ~ 11. Available Lengths:10ft, 15ft and 20ft, and also as per customer's specified. Available material grades:AISI 4145H mod & Non-Mag. Features - Body:Slick Body / Spiral Body; Elevator

VIGOR - China Drill Collar Manufacturers and Supplier

If you are looking for competitive, high quality and fast delivery oilfield drill collar in stock, or if you are planning to buy drill collar API from one of the leading non magnetic drill collar, spiral grooved drill collar stock, hollow bar for drill collar, slick drill collar, aisi 4145h mod drill collar manufacturers and suppliers China, please feel free to contact VIGOR. drill collars api - drill collars api online WholesalersDrill Collar Features & Benefits:Kingwell supplies slick drill collars, spiral drill collars and non-magnetic drill collars etc. The size of drill collar is from 3-1/8 to 11 inches. Drill collars are manufactured strictly according to API Spec7-1 standard Xi'an Kingwell Oilfield Machinery Co. non magnetic drill collars for sale, non magnetic drill Drilling Tool Stabilizer Non Magnetic Drill Collars, 40CrMnMo 9450mm Length Description:Drill collars are manufactured from 4145H modified steel.Drill collars are bored and drifted to API Spec 7-1 and fully heated to meet or exceed the ..

2011 VAM Drilling Catalog

diameter pierced drill collars from solid bar. Bars are trepanned on equipment specially designed by VAM Drilling. Today, VAM Drilling provides a full range of slick and spiral drill collars in AISI 4145H-modified steel, ERS 425 Sour Service steel and non-magnetic alloys. Drill collars from VAM Drilling are available with the following features: