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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]

(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]

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]

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

May 25, 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 16, 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

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 ... 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

... 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]

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

... 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]

Spiral drill collar

Nov 21, 2012

Spiral drill collar Size Range: 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 ... 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 ... AISI 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]

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]

Non-magnetic Drill Collar

Jul 24, 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 09, 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]

API 7-1 Spiral drill collars

Sep 20, 2012

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

Supplier: Shanxi Fenglei Drilling Tools 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 ... 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 ... equipment, advanced technical and scientific management. 6" drill collar

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

drill collar pipes

Dec 09, 2012

... Description 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 ... 7.Size from 3-1/8" to 11"Type: Normal drill collars, Non-magnetic drill collars, Spiral drill collarsMaterial: AISI 4145HLength 9150mm & 9450mm drill collar pipes

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

API Drill Collar

Nov 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]