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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]

Telescopic boom hydraulic step-long spiral drill

Mar 07, 2012

1.Telescopic boom hydraulic step-long spiral drill 2.Telescopic boom hydraulic step-long spiral drill 3.drilling machine Specifications:φ400,φ600,φ800drillSpecifications:450,480motive force sideSpecifications:φ400,φ600,φ800drill rod Telescopic boom hydraulic step-long spiral drill

Supplier: Dongtai Juli Machine Manufacture Co., Ltd. [China Manufacturers]

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

Jul 02, 2012

... delivery 4.Alloy steel,carbon steel,stainless steel etc. Drill collars is one of the most important product which mainly ... to provide bit weight to drill so that drill pipe is in tension. Especially drill collar can keep drill bit centralized and hole ... 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 ...

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]

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]

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

Oct 01, 2012

... civil and industrial construction.Technical Parameter CFG20/25/30 Long Spiral Drill Rig ModelCFG20CFG25CFG30Bore diameter (mm)400-600400-600400-800Bore depth (m ... ×6.2×36Transport modeDisorganization Zhenzhong Brand CFG20/25/30 Long Spiral Drill Rig working with JZB Walking piling frame

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

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

May 25, 2012

... potential for differential sticking with Parveen's Spiral Drill Collars. They reduce the amount of contact between ... 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 full length over ... E1001 (immersion method). 9 1/2" Spiral Drill Collar( Apispec7) Aisi4145h Alloy Steel

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

High-efficiency Spiral Drill Rod

Nov 19, 2012

... injection under the coal mine. High-efficiency Spiral Drill RodThe high-efficiency spiral drill rod can meet the practical needs for ... and heat treatment. Matching our drilling machines with spiral dry drilling technology, it can keep high drilling ... advantages in coal digging which adopting serried hole drill and gas discharging. And it can discharge gas ... ,24×24,32×32 High-efficiency Spiral Drill Rod

Supplier: Shijiazhuang Zhongmei Coal Mine Equipment Co., Ltd. [China Manufacturers]

NC-70 Spiral drill collar

Jul 16, 2012

1.NC-70 Spiral drill collar. 2.O.D:3 1/8"-11 ... /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 ... strictly from API Spec.7 and SY5144 standard..... Drill Collar NumberO.D.I.D.mminmminNC23-3179.43 1 ... 238 5/8 REG279.41176.23 NC-70 Spiral drill collar

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

spiral drill collar

May 27, 2012

... , 4145HM Length: 5 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 ... so as to avoid efficiently bit sticking from differential pressureC. Spiral Drill Collar With Elevator Groove And Slip Groove: used as lifting ...

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]

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

Mar 01, 2012

... 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.Technical specifications and parameters Drill Collar NumberO.D.I.D.Length(mm)Bevel DiameterRef bend ... :18 5/8 REG279.41176.239150 & 9450266.72.84:1 drill collar,Spiral Drill Collar used to provide bit weight to ...

Supplier: Mudanjiang Great Wall Oil And Gas Drilling Tools 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

Sep 08, 2012

... time: 40 days 4.We are a factory Drill Collars are the most important parts of all drilling ... string elements. The performance of drill collars will effect the efficiency of drilling.Zyzxdy mission ... also products performance. We assure every piece of Drill Collar leaving our facility conform to the requirements of ... . 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

... : 3-1/8--11 Cylindrical, spiral, non-magnetc Type Mechanical properties can mee Spiral drill collar Size Range 3-1/8”—— ... 11”Brief IntroductionHengshan drill collars are made of AISI ... 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]

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

Jul 09, 2012

... 2.OD:79.4mm-279.4mm 3. factory directly delivery Spiral drill collar is the main products in Jiangsu HEXIN, such ... effectively reduce the block have the 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 ...

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

API 7-1 Spiral drill collars

Sep 20, 2012

API 7-1 Spiral drill collar 1.API7-1, 7G &Q1 latest ... more than 30 years. All SFMC API 7-1 Spiral drill collar s are made of AISI 4145H or AISI ... 285 to 341 BHN below the surface.OD of drill collar (in)Tensile strength (Mpa)Yield strength(Mpa) ... manufactures special Drill Collars with Spiral, Slip and Elevator recess, hardbanding. The square drill collar is available. API 7-1 Spiral drill collars

Supplier: Shanxi Fenglei Drilling Tools 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 ... 4142H-4145H or 36CrNiMo4 modified steel.drill collar mainly used between the dill pipe and drill head and connected by conversion connector ... .52.37:1 Jenny-region marketing managermob:0086-13675466243 Oil Spiral drill collar

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

The six-party spiral drill pipe,twist drill pipe /spiral drill pipe/twist drilling rod

Sep 24, 2012

... stable The six-party spiral drill pipe,twist drill pipe /spiral drill pipe/twist drilling rod introducedThe six-party spiral drill pipe,twist drill pipe /spiral drill pipe/twist drilling ... active drill rod The six-party spiral drill pipe,twist drill pipe /spiral drill pipe/twist drilling rod photos The six-party spiral drill pipe,twist drill pipe /spiral drill pipe ...

Supplier: Linqing City Ruilong Drill Co., Ltd. [China Manufacturers]

CNC Down cut two flute spiral drill bits

Aug 01, 2012

... cutting tools for processing wood and synthetic wood Type: CNC drill bitsMaterial:AF906(JAPEN)Application: wood composites,MDF,Plywood,Laminates,Hardwoods ... -522522550M2L-617617650M2L-622622660M2L-825825870M2L-835835880 CNC Down cut two flute spiral drill bits

Supplier: Guangzhou Yimai CNC Tools Co., Ltd. [China Manufacturers]