spiral drill collar,China spiral drill collar Manufacturers, Suppliers

API 7-1 Spiral Drill Collar qingdao

Feb 15, 2013

... ) delivery on time5) Size according to your request6) drill collar,stick drill collar,non-magnetic drill collar,spiral drill collar covering all size.Product description:1.AISI4145H or 4145HM ... alloy steel is put to use for the material of drill collar. 2.We adopt advanced technic for full length heat treatment ... , there will a good surprice for you! API 7-1 Spiral Drill Collar qingdao

Supplier: Qingdao Win-Art Import & Export Co., Ltd.

[China Manufacturers]

spiral drill collar

Feb 19, 2013

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

Feb 14, 2012

... for differential sticking with Parveen's Spiral Drill Collars. They reduce the amount of contact between the drill collar and the wall of hole ... 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]

NC-70 Spiral drill collar

Jul 14, 2012

... -70 Spiral drill collar. 2.O.D:3 1/8"-11",I.D:1 1/2"-3". 3.NC-23~NC70 The drill collar is ... 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 ... .23NC70-1002541076.238 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

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 api 7-1 spiral drill collar

Sep 11, 2012

... track by large rigidity. The Drill collar are manufactured strictly from API Spec7-1 standard. B. Spiral Drill CollarNote: Spiral drill collar is used to reduce contact ... and slip groove made on box thread face of slick drill collar or spiral drill collar can be used as lifting sub and safety slip ...

Supplier: XIAN CHANGQING PETROLEUM TOOLS MANUFACTURING CO., LTD.

[China Manufacturers]

Spiral drill collar

Jul 30, 2012

... <1.010. 2). Magnetic Field Gradient: ΔB≤0.05μT. Spiral drill collar

Supplier: Shandong Shengyou Pipes Co., Ltd.

[China Manufacturers]

Spiral drill collar

Feb 26, 2012

... Spiral drill collar Size Range: 3-1/8--11 Cylindrical, spiral, Mechanical properties can mee Spiral drill collar Size Range 3-1/8”——11”Brief IntroductionHengshan drill ... outside pipe has spiral grooves.Mechanical PropertiesA type and B type drill collar ODYield Strength MPaTensile ... 11≥689≥930≥13285~341≥54C type drill collar ODYield Strength MPaTensile StrengthMPaElongation%Brinell HardnessHBImpact ...

Supplier: Taiyuan Hengshan Machinery Co., Ltd.

[China Manufacturers]

Spiral drill collar

Jan 12, 2013

Spiral Drill collar: Raw Material: 4145H O.D.:31/8" to 11" Length: ... .3720328.7±1.59 Figure 1. Spiral drill collar type BFigure 2. Spiral drill collar type BOutside diameterDepth of cut (Max.)Spiral pitch ±25.4 mminmmmm 120 ... /211.9254.01011.9Note: B Style Drill Collar, 3 Spiral Grooves, right-hand, well-distributed. ρ= R-e(1-cos3) Figure 2. Spiral drill collar type B Spiral drill collar

Supplier: Dongying Haixin Petroleum Equipment Co., Ltd.

[China Manufacturers]

API 7-1 Standar spiral drill collar and slick drill collar

Jan 23, 2013

... spiral drill collar and slick drill collar 1)Standard: API 7-1 2)Size: 3 1/8"--11" 3)Length: 10'--31' API drill collar Drill Collar, API drill collar ... API 7-1 Standar spiral drill collar and slick drill collar1)Standard: API 7 ... AISI 4145H 5)high API drill collar The Main Technical Specification of Drill CollarO.D.I.D. ...

Supplier: Shaanxi FYPE Rigid Machinery Co., Ltd.

[China Manufacturers]

spiral drill collar

Nov 25, 2012

... drill collar 1.Material: Alloy Steel 2.Quality:API;ISO 3.Delivery time: 40 days 4.We are a factory Drill ... of all drilling string elements. The performance of drill collars will effect the efficiency of drilling.Zyzxdy ... also products performance. We assure every piece of Drill Collar leaving our facility conform to the requirements of API ... We provide steel thread protector for free. spiral drill collar

Supplier: Henan Zhongyuan Heavy Forging Co., Ltd.

[China Manufacturers]

High Quality API NS-1 Spiral Drill Collar

Apr 29, 2012

... heat treatment technique4.UT&MT Inspection5.Can produce normal Drillcollar,Spiral Drillcollar and Non-Magnetic Drillcollar6.The first place domestic sale ... with Tuboscope 1)Quality Control-Tuboscope Inspection on all New Drill Pipes with Tuboscope Inspection certificates Certificate of Inspection ftom Tuboscope ...

Supplier: Jiangyin City Dari Trade Co., Ltd.

[China Manufacturers]

use for oil well Spiral Drilling Collar

Feb 18, 2013

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]

drill collar

Mar 21, 2013

... . the competitive price. 3..delivery prompt 4.high quality service. drill collarsNo. OD IDLength mmDF mmBending intensity ratiomminmminNC23-3179.43 1 ... :18 5/8REG279.41176.239150 or 9450266.72.84:1 drill collar

Supplier: Beijing Ocean Renda Petroleum Equipment Co., Ltd.

[China Manufacturers]

Non-magnetic Drill Collar

Oct 25, 2012

... 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 ... .4 mmNC56-8030Non-magnetic228.6mm71.4 mmNC61-9030 Non-magnetic Drill Collar

Supplier: Dongying Jianxin Petroleum Equipment Co., Ltd.

[China Manufacturers]

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

Jul 06, 2012

... 4mm 3. factory directly delivery Spiral drill collar is the main products in Jiangsu HEXIN, such drill collar can provent drilling process in ... 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]

Hot sale slick drill collar

Apr 01, 2013

... used to provide bit weight to drill bit so that drill pipe is in tension. B. Spiral Drill Collar: used to reduce contact area ... as to avoid efficiently bit sticking from differential pressureC. Spiral Drill Collar With Elevator Groove And Slip Groove: used as lifting ... via reducing crack diffusion to increase fatigue strength of a drill collar and extend the service life. Phosphating or brass plating ...

Supplier: Zhengzhou Hengzhong Heavy Machinery Manufacturing Co., Ltd.

[China Manufacturers]

Drill Collar with spiral grooves

Jul 26, 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

Supplier: Tianhe Oil Group Huifeng Petroleum Equipment Co., Ltd.

[China Manufacturers]

API 7-1 Oilfield spiral hollow drill rod Drill Collar

Apr 20, 2012

Drill Collar 1.Reliable quality and Reasonable price 2.API Spec7-1 ... .ID size from 79.4mm to 279.4mm... Oilfield Drill Collar The Drill Collar of Zhongzhong is made from AISI 4145H alloy steel, and ... keep right trace by providing the pressure and weight for drill head. Specification: ConnectionsODmmIDmmLengthmmNC23-3179.431.89150NC26-3588.938.19150NC31-41104 ...

Supplier: Liuzhou Biaohuang Import & Export Co., Ltd.

[China Manufacturers]

API Drill Collar

Aug 19, 2012

... range of slick, spiral and non-magnetic drill collars. 3 1/8" to 14" OD. Drill collars are designed to ... stabilizing force in drilling activity, and keep the entire drill string on target. Teda Special Pipe Co Ltd ... the success of the most critical process in manufacturing drill collars.u Precision borers provide extremely straight bores ... information please visit www.chinateda.com API Drill Collar

Supplier: Jiangsu Teda Energy Equipment Co., Ltd.

[China Manufacturers]