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Drill Collar with spiral grooves

Mar 16, 2012

Drill Collar with spiral grooves 01 Design & working procedure Conform to the requirment of API Spec 7 02 Non-API standard type of drill collars are also available as per client'request 03 Cold-rolled thread roots 04 Thread connections are performed with stress relief grooves05 phosphated threads applied Drill Collar with spiral grooves

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

Drill collar with spiral grooves

Aug 21, 2012

Drill collar with spiral grooves Size Range: 3-1/8--11 Cylindrical, spiral, non-magnetc Type Mechanical properties can mee ... the outside pipe has spiral grooves.Type C(Non-magnetic) Be Made of stainless alloy steel with rather low Magnetic ... part of drill stem, drill collar can supply the drilling pressure for the drill bit and increase the rigidity of drill stem. Drill collar with spiral grooves

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

Spiral drill collar

Mar 11, 2012

Spiral Drill collar: Raw Material: 4145H O.D.:31/8" to 11 ... 7±1.59 Figure 1. Spiral drill collar type BFigure 2. Spiral drill collar type BOutside diameterDepth of cut (Max.)Spiral pitch ±25.4 mminmmmm ... 699.5241.39 1/211.9254.01011.9Note: B Style Drill Collar, 3 Spiral Grooves, right-hand, well-distributed. ρ= R-e(1-cos3 ... email me.Jenny-Region marketing managerMob:0086-13675466243 Spiral drill collar

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

Spiral drill collar,drill collar,drilling collar

Oct 30, 2012

... Spiral Drill Collar With Elevator Groove And Slip Groove Spiral drill collar,drill collar,drilling collar Elevator groove and slip groove made on box thread face of slick drill collar or spiral drill collar ... request.Technical specification and parameters.. Drill collar ranges O.D. (mm)Elevator ... 4406457Spiral drill collar,drill collar,drilling collar. Spiral drill collar,drill collar,drilling collar

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

spiral drill collar

May 27, 2012

... : 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 area with ... avoid efficiently bit sticking from differential pressureC. Spiral Drill Collar With Elevator Groove And Slip Groove: used as ...

Supplier: Zhengzhou Hengzhong Heavy Machinery Manufacturing 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]

API Drill Collar

Sep 28, 2012

... 2.NNC threads (interchangeable with API NC threads) As the company who manufactures the first drill collar in CHINA, SFMC has ... from 285 to 341 BHN below the surface.OD of drill collar (in)Tensile strength (Mpa)Yield strength(Mpa)Elongation ... -1/8”~10”.SFMC also manufactures special Drill Collars with Spiral, Slip and Elevator recess, hardbanding. The square drill collar is available. API Drill Collar

Supplier: Shanxi Fenglei Drilling Tools 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]

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

May 25, 2012

... the potential for differential sticking with Parveen's Spiral Drill Collars. They reduce the amount of contact between the drill collar and the wall of ... the corrosion test as specified in ASTM A262 practice.5. Drill collar bodies are inspected ultrasonically full length over the circumference of ... E214 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]

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]

spiral drill collar

Sep 08, 2012

... our clients with most cost-effective products, not only price, but also products performance. We assure every piece of Drill Collar leaving our ... Test. We assure the Mechanical Properties of our products comply with or exceed the requirements of API. All connections are phosphate ... to clients' requirements. We provide steel thread protector for free. spiral drill collar

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

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

Jul 02, 2012

... provide bit weight to drill so that drill pipe is in tension. Especially drill collar can keep drill bit centralized and hole ... track by large rigidity. BSD brand drill collars are ... 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]

Step drill with spiral flute

May 31, 2012

... .Professional manufacturer 3.Spiral flute 4.Good quality/Competitive price 5.Bright finished Step drill with spiral flute1.) Step drill bits 2.) Spiral flute 3.) Step ... drill, bright finished 4.)HSS steel 5 ... ,12,13,14,15,16,17,18,19,20mm88mm11 Step drill with spiral flute

Supplier: Tianjin Shengtiantai Steel Pipe Manufacture 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]

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

Mar 01, 2012

... 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 hole track ... :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]

carbide step reamer drilling and milling reamer and drill hand reamer with spiral / straight flute

Nov 19, 2012

... Mill, Corner Radius End Mill, Roughing End Mill, Drill Bits, Twist Drill, Center Drill, Spotting Drill, Saw Blade, Reamer, Side & Face Milling Cutter, T ... , Punch, Mold Etc.1.machine reamer usage: Milling fitting holes with a certaindegree of accuracy in machine tools. Semi-finishing and ... HRC65 degree carbide step reamer drilling and milling reamer and drill hand reamer with spiral / straight flute

Supplier: Xiamen Yijia Trade And Industry Co., Ltd. [China Manufacturers]

Non-magnetic Drill Collar

Jul 24, 2012

Non-magnetic Drill Collar 1,API standard drill collar 2,It is designed in accordance with SY/T 5144-1997 standard. Drill Collar1,API standard Non-magnetic ... Drill Collar2,It ... .4 mmNC56-8030Non-magnetic228.6mm71.4 mmNC61-9030 Non-magnetic Drill Collar

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

All kinds of drill pipe/ Well drill pipe with 5''OD DRILL PIPE G105

May 22, 2012

... sizes and all type drill pipe API drill pipe: Well drill pipe API drill pipe: Well drill pipe API 7 and ... are professional of producer of drill pipe. We can produceE75, G105grade drill pipe with ISO90001 certificate. And we also ... to contact us. We ensure to provide you with best quality product, best price and service. ... me,thanks.Sunny All kinds of drill pipe/ Well drill pipe with 5''OD DRILL PIPE G105

Supplier: Hebei Zhankui Drill Equipments Sales Agency [China Manufacturers]

Drill Collar

Jul 30, 2012

... IF) have a sufficient steel thickness for machining stress-relief grooves.Drill collar material and process traceability are maintained from receipt of mill ... otherwise specified, slip and elevator recesses are machined in compliance with API RP 7G guidelines. Thread Protectors:We offer steel and ...

Supplier: Guangjin (Zhengzhou) Imports & Exports Trading Co., Ltd. [China Manufacturers]

6" drill collar

Feb 19, 2012

drilling collar (drill collar,spiral drill collar,heavy weight drill pipe),with best price Baotou Found Petroleum Machinery Co ... which produces the petroleum machinery such as drilling collar, drill pipe and sucker rod etc.The company had ... 0081 for sucker rod and 7-1-0552 for drill collar .Its product and produce ability is: 1.sucker ... , advanced technical and scientific management. 6" drill collar

Supplier: Baotou Found Petroleum Machinery Co., Ltd. [China Manufacturers]