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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 9-1/2 OD Spiral Drill Collar 7-5/8 REG Connection (JSH Specification OEM:Shuguang Huayang Drilling Tools Country of Origin:China Nominal OD:9 1/2 (8.500) Nominal ID:3 (3.000) Material Grade:AISI 4145H Modified Nominal Weight:Nominal Wall Thickness:3.250 Drift Size:2.875 Manufacturing Criteria:API Spec 7 Tool Joint / Connection Specifications Connection:7 5/8 API Regular Bend Stress Ratio:3.061 OD:91/2 (9

    API SPEC 7,API RP 7G AISI 4145H Drill Collar,Spiral DC,Non

    API SPEC 7,API RP 7G AISI 4145H Drill Collar,Spiral DC,Non-magnetic Drill Collar Products, China Manufacturer. According to API Spec.7 and SY/T5144, drill collar is made of AISI 4145 modified chromium- molybdenum alloy steel. All threads are phosphated, copperized or cold rolled , and they are machined with CNC Lathes Double shoulderd, including some special threads. China Non Magnetic Drill Collars, Non Magnetic Drill China Non Magnetic Drill Collars manufacturers - Select 2020 high quality Non Magnetic Drill Collars products in best price from certified Chinese Drilling Tools manufacturers, Petroleum Equipment suppliers, wholesalers and factory on Made-in-China Drill Collar - China Drill Collars, Non-Magnetic Drill DRILL COLLARS/SPIRAL DRILL COLLARS NON-MAGNETIC DRILL COLLAR:1) Drill Collars accord with API SPEC 7-1. 2) Material:AISI 4145H 3) Size OD:3 1/8, 3 1/2, 4 1/8, 4 1/2, Wuxi Oilfield Equipment and Tools Group

    Drill Collar - China Drill Collars, Non-Magnetic Drill

    DRILL COLLARS/SPIRAL DRILL COLLARS NON-MAGNETIC DRILL COLLAR:1) Drill Collars accord with API SPEC 7-1. 2) Material:AISI 4145H 3) Size OD:3 1/8, 3 1/2, 4 1/8, 4 1/2, Wuxi Oilfield Equipment and Tools Group Drill Collar - Huzhou Zhuoli Special Steel Trade Co., Ltd China Drill Collar catalog of ASTM P550 Non-Magnetic Drill Collar, API 2 3/8" --6 5/8" S135 Spiral Drill Collar for Oilfield provided by China manufacturer - Drill CollarSpiral groove drill collars were introduced in more recent years and are thought to help prevent the drill string from getting stuck in the hole by allowing drilling debris and lubricant to pass more freely around the drill collar. We provides a full range of slick and spiral drill collars manufactured in AISI 4145H-modified steel, Sour Service

    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 Drill Collars Command TubularDrill Collars. Command Tubulars 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 mechanical properties as specified by API Spec 7-1. Full mechanical and chemical mill test certifications are supplied with all drill collars. Drill Pipe Drill Collar Casing and Tubing Line Pipes at Drill Collar and Non-Magnetic Drill Collar. Drill collars are made with material AISI 4145H in accordance with API Spec 7-1. We supply slick drill collars and spiral drill collars; their sizes are from 3-1/8 to 11 inches. Casing and Tubing. Our oilfield casing and tubing are in accordance with API

    Non Magnetic Drill Collar :Manufacturers, Suppliers

    Lowest price API 7-1 non magnetic spiral drill collar Product Description Drill Collar is the basic component in the BHA which provide weight on the bit for dirlling and keeps the drill string in tension.Drill collar is manufactured from AISI 4145H modified quenched and tempered steel and is heat treatment along its entire length for uniform 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. Selecting API SPEC 7-1 Drill Collar with High Quality at Standard:API SPEC 7-1 Steel grade:AISI 4145H Drill collars are the auxiliary equipment applied at the bottom of drill string. It is a key part of the bottom hole assembly. Great wall thickness and gravity are the main features of drilling collars. The wall thickness is typically 38 ~ 53mm, which is equal to 4 to 6 times of drill pipe.

    Spiral Drill Collar In Api Spec 7 - Buy Spiral Drill

    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 collar 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. Api 7 Standard Aisi 4145h Sprial Drill Collar,Non Magnetic Api 7 Standard Aisi 4145h Sprial Drill Collar,Non Magnetic Drill Collar , Find Complete Details about Api 7 Standard Aisi 4145h Sprial Drill Collar,Non Magnetic Drill Collar,Non Magnatic Drill Collar,Sprial Drill Collar,Drill Collar from Mining Machinery Parts Supplier or Manufacturer-Dongying Lake Petroleum Technology Co., Ltd.