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drill collar,Spiral Drill Collar used to provide bit weight to drill bit

Mar 01, 2012

Drill Collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension. 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 ... :18 5/8 REG279.41176.239150 & 9450266.72.84:1 drill collar,Spiral Drill Collar used to provide bit weight to drill bit

Supplier: Mudanjiang Great Wall Oil And Gas Drilling Tools Co., Ltd. [China Manufacturers]

spiral drill collar

May 27, 2012

... or 31ft spiral drill collar Specification for reference Product Type: A. Slick Drill Collar: mainly used to provide bit weight to drill bit so that drill pipe is in tension B. Spiral Drill Collar: used to reduce contact area ...

Supplier: Zhengzhou Hengzhong Heavy Machinery Manufacturing Co., Ltd. [China Manufacturers]

Spiral drill collar

Mar 08, 2012

API Spec7-1 and NS-1 Standard , Alsp Norsok Spec. Spiral drill collar is used to reduce contact area with hole so as to avoid efficiently bit sticking from diffirential pressure.The drill collars are manufactired strictly according to API Spec7-1 and NS-1 Standard , Alsp Norsok Spec. Spiral drill collar

Supplier: China Vigor Drilling Oil Tools and Equipment Co., Ltd. [China Manufacturers]

(Factory)API 7-1 Spiral Drill Collar--Drilling tool

Jul 02, 2012

... the most important product which mainly used to provide bit weight to drill so that drill pipe is in tension. Especially drill collar can keep drill bit centralized and hole track by ... various oil drilling tools including Drill Pipe, Drill Collar, Heavy Weight Drill Pipe, Kelly,Pup Joint and so on. (Factory)API 7-1 Spiral Drill Collar--Drilling tool

Supplier: Baoshida Holding Group Co., Ltd. [China Manufacturers]

Spiral drill collar

Feb 12, 2012

TIANHE drill collar are manufactured strictly from API Spec.7 andNS-1 standard.HSE . 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. MS brand drill collar are manufactured strictly from API Spec.7 and SY5144 ,NS-1 standard. Spiral drill collar

Supplier: Tianhe Oil Group Huifeng Petroleum Equipment Co., Ltd. [China Manufacturers]

NC-70 Spiral drill collar

Jul 16, 2012

... 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 ... -1002541076.238 5/8 REG279.41176.23 NC-70 Spiral drill collar

Supplier: Rugao Yaou Import & Export Trade Co., Ltd. [China Manufacturers]

spiral drill collar

Jul 16, 2012

It is used to reduce contact area with hole in order to avoid efficiently bit sticking from different pressure. Spiral drill collars are one kind of the products of our company and are manufactured strictly according to API Spec 7 and Standard SY/T5144-1997.It is used to reduce contact area with hole in order to avoid efficiently bit sticking from different pressure. spiral drill collar

Supplier: Zibo Sanlin New Materials Co., Ltd. [China Manufacturers]

spiral drill collar

Sep 08, 2012

... to provide our clients with most cost-effective products, not only price, but also products performance. We assure every piece of Drill Collar ... leaving our facility conform to the requirements of API ... to corrosion.API Stress Relief Pin and Boreback Box are available according to clients' requirements. We provide steel thread protector for free. spiral drill collar ...

Supplier: Henan Zhongyuan Heavy Forging Co., Ltd. [China Manufacturers]

Spiral drill collar

Nov 21, 2012

... . It can be divided into the following three types according to the appearance and material: Type A(Cylindrical) Be Made of ... ≥20Usage As an important part of drill stem, drill collar can supply the drilling pressure for the drill bit and increase the rigidity of drill stem. Spiral drill collar

Supplier: Taiyuan Hengshan Machinery Co., Ltd. [China Manufacturers]

Oil Spiral drill collar

Oct 21, 2012

Oil Spiral drill collar 1.OD : 3 1/8''---11'' 2.Length: 10'--31' 3.Material:AISI 4145 H / 4145H Mod Drill collars are manufactured ... modified steel.drill collar mainly used between the dill pipe and drill head and connected by conversion connector so that they can provide the pressure ... .52.37:1 Jenny-region marketing managermob:0086-13675466243 Oil Spiral drill collar

Supplier: Dongying Haixin Petroleum Equipment Co., Ltd. [China Manufacturers]

hughes 17 1/2"roller cone rotary tools rock drill bit used tci tricone bit

Sep 21, 2012

... is suitable for medium to hard formation.Specifications Tungsten carbide insert bit of high strength and toughness is to increase the impact ... resistance of cutter and decrease the breakage rate.Widely used ... . Let's work together to bring your dream to reality. hughes 17 1/2"roller cone rotary tools rock drill bit used tci tricone ...

Supplier: Hejian City Xing Tai Drilling Accessories Co., Ltd. [China Manufacturers]

9 1/2" Spiral Drill Collar( Apispec7) Aisi4145h Alloy Steel

May 25, 2012

... throughout the product.4.Resistance to corrosion can be demonstrated by subjecting materials from each Drill Collar to the corrosion test as ... specified in ASTM A262 practice.5. Drill collar bodies are inspected ultrasonically ... and / or ASTM E1001 (immersion method). 9 1/2" Spiral Drill Collar( Apispec7) Aisi4145h Alloy Steel

Supplier: Shandong Rongli Petroleum Machinery Co., Ltd. [China Manufacturers]

API spiral drill collar

Jun 27, 2012

API spiral drill collar 1.Material: AISI 4145H MOD 2. OD: 3-1/8"~11" 3. Length: 10'--31' API 7-1 Standard spiral drill collar API spiral drill collarWe could provide you Drill Collar with positive price and fine deliver time.API 7-1 Standard spiral drill collaras per API Spec7Material: AISI 4145H Alloy Steel and Non-magnetic materialOD: 3-1/8"~11" Length: 10"~31" API spiral drill collar

Supplier: Shaanxi FYPE Rigid Machinery Co., Ltd. [China Manufacturers]

Spiral Drill Collar

Jun 04, 2012

... Alloy steel high quality 3 7/8--11" Dimensiond of spiral groove: DA Depth of cut mm±25.4 pttch mmB ... .9±1.59279.41111.9±2.3720328.7±1.59 Spiral Drill Collar

Supplier: Beijing Hengzhixinda Trade Co., Ltd. [China Manufacturers]

**spiral drill collars 171.5mm*71.4mm**

Jul 09, 2012

... possibility of differential pressure.Spiral drill collar had been widely used because of the characteristics of its own decesion,this special spiral drill collar to reduce the tube ... wall and the contact area. The drill ...

Supplier: Jiangsu Hexin Petroleum Machinery Co., Ltd. [China Manufacturers]

API 7-1 Spiral drill collars

Sep 20, 2012

... for more than 30 years. All SFMC API 7-1 Spiral drill collar s are made of AISI 4145H or AISI 4145H Modified ... Frequency Induction Heating Treatment machine designed by SFMC, so as to ensure the Charpy "V" notch minimum impact strength of 40 ... at 70°F and to guarantee the hardness from 285 to 341 BHN below the surface.OD of drill collar (in)Tensile strength (Mpa ...

Supplier: Shanxi Fenglei Drilling Tools Co., Ltd. [China Manufacturers]

use for oil well Spiral Drilling Collar

Oct 07, 2012

Spiral Drill Collar Features: 1)OD:4-1"/ 8-11" 2)CON:NC31,NC35,NC38,NC46,NC50,65/8REG,75/8REG,NC70, NC77; Spiral Drill CollarFeatures:1)OD:4-1/ 8"-11"2)CON:NC31,NC35,NC38,NC46,NC50,65/8REG,75/8REG,NC70,NC77. use for oil well Spiral Drilling Collar

Supplier: Jiangsu Shined Petroleum Equipment Manufacturing Co., Ltd. [China Manufacturers]

High quality screw conveyer ,used to Transportation Powder granules

Jun 25, 2012

... Resist heat & cold, 5.high efficiency Spiral conveyer SpecificationsFeatures: 1.Mainly used for granular materials bulk conveying dimensionally. Such ... against industrial defect within one year expect is due to improper operating, users will pay charge of maintaining , ... over the world, visitors from all country to discuss cooperation. High quality screw conveyer ,used to Transportation Powder granules

Supplier: Gongyi Xiaoyi Mingyang Machinery Plant [China Manufacturers]

Zhenzhong Brand CFG20/25/30 Long Spiral Drill Rig working with JZB Walking piling frame

Oct 01, 2012

... Long Spiral Drill Rig Low noise Without contamination No vibration when pore-forming Little influence to adjacent piles The series CFG long spiral ... civil and industrial construction.Technical Parameter CFG20/25/30 Long Spiral Drill Rig ModelCFG20CFG25CFG30Bore diameter (mm)400-600400-600400-800Bore depth ... leg0.380.40.6pedrail (hull)0.0450.060.045Gross weight(t)355970Outside dimension(m)10×4.8×26.511× ...

Supplier: Zhejiang Zhenzhong Construction Machinery Co., Ltd. [China Manufacturers]

High Efficiency Spiral Roller Conveyor Used for Feeder

Aug 21, 2012

... 3.Easy maintenance 4.ISO.CE Bangke manufacturer offered spiral roller conveyor Introduction of our company:Zhengzhou Bangke machinery ... designed according to chemical standard HG2059-20635- 97.The main specification of spiral roller conveyor: SpecificationTransporting lengthCapacityPower (KW) Weight(T)coalcementraw ... is the capacity do you need ? High Efficiency Spiral Roller Conveyor Used for Feeder

Supplier: Zhengzhou Bangke Machinery Manufacturing Co., Ltd. [China Manufacturers]