drill collars,China drill collars Manufacturers, Suppliers

drill collars

Feb 19, 2013

Drill Collars and Bore 1) AISI 4145H Drill Collars Modified Alloy Steel, forged, heat treated to API requirement, round ... .Sizes : Up to 12" Diameter x max. 10 feet length. drill collars

Supplier: Taiyuan Best Casting & Forging Co., Ltd.

[China Manufacturers]

drill collars Size Range: 3-1/8--11 ... failure Size Range 3-1/8——11Brief IntroductionHengshan drill collars are made of AISI 4145 H or 4145 ... spiral grooves.Mechanical PropertiesA type and B type drill collar ODYield Strength MPaTensile StrengthMPaElongation%Brinell HardnessHBImpact ... 47~11≥689≥930≥13285~341≥54C type drill collar ODYield Strength MPaTensile StrengthMPaElongation%Brinell HardnessHBImpact ...

Supplier: Taiyuan Hengshan Machinery Co., Ltd.

[China Manufacturers]

spiral drill collars

Sep 25, 2012

... price. 3.delivery promptly 4.high quality service Spiral drill collarsThe drill collars are made of 4145H modified chromium-molybdenum alloy steel according ... thread, the max diameter of drill collar is 14 inch. Standard size for spiral drill collarsODDepth of cutmm±25.4PitchmmBDepth of ... 1.59279.41111.9±2.3720378.7±1.59Note:spiral drill collars has spiral grooves, right hand, well distributes spiral ...

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

[China Manufacturers]

79.4mm,non-magnetic drill collars

Nov 18, 2012

... ,excellent wear resistance. 3.API Spec7-1 Non-magnetic drill collar is the used of suchh a low-carbon high ... strength for 1*105/4∏∏Nm. The non-magnetic drill collar along the inner hole of 100mmaway from any magnetic ... gradient≤0.010. Non-magnetic drill collar along the inner hole of 100mm away from any ... 67171.571.49.14or9.45159.5 79.4mm,non-magnetic drill collars

Supplier: Jiangsu Hexin Petroleum Machinery 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]

2013 New!! API oil stick Drill Collar

Feb 26, 2012

API 7-1 drill collar 1.drill collar are according to API Spec 7-1 2.Pipe ... time5) Size according to your request6) drill collar,stick drill collar,non-magnetic drill collar,spiral drill collar covering all size.Product description:1 ... alloy steel is put to use for the material of drill collar. 2.We adopt advanced technic for full length heat ... good surprice for you! 2013 New!! API oil stick Drill Collar

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

[China Manufacturers]

Drill Collar Spirial and Silick

Nov 25, 2012

... with SY/T 5144 3,Anti Corrosion coating Drill Collar1,API standard Non-magnetic Drill Collar2,It is designed in accordance with ... .2 mm71.4 mmNC56-8030Non-magnetic228.6mm71.4 mmNC61-9030 Drill Collar Spirial and Silick

Supplier: Dongying Jianxin Petroleum Equipment Co., Ltd.

[China Manufacturers]

High Quality API NS-1 Spiral Drill Collar

Mar 05, 2012

... 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]

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]

Drill collar elevators

Mar 31, 2013

... tools for drill collars with zip lift recess and drill collars with lift plugs...... Drill collar elevatorsDrill Collar Elevators are hoisting tools for drill collars with zip ... lift recess and drill collars with lift ...

Supplier: Tianjin Kunhec Petroleum Engineering Co., Ltd.

[China Manufacturers]

tapered drill rod

Jul 26, 2012

... :well drilling,geologic drilling,coal mining 3.Techinical:Friction welded drill rod in diameters of 42/50/60/73/89 millmetersdrilling ... prospectingwe are factory specializing in the manufacture and export of drill pipe, drill collars and drilling joints(API and other standard) for more ... .Complete in specifications, quality and quantity assured, competitively priced! tapered drill rod

Supplier: Shandong Province Coalfield Geologic Drilling Tools Factory

[China Manufacturers]

Oilfield Drill Tool Stabilizer Drilling Equipment

Mar 31, 2013

... tools of Zhongzhong's mainly include Drill collars, Spiral drill collars, Non magnetic drilcollars, Short drill collars, Drill tool stabilizers, Non magnetic drill tool stabilizers, Integral heavy weight ... drill pipes, etc.♦ The details of Integral Spiral ...

Supplier: Jiyuan Zhongzhong Heavy Machinery Manufacture Co., Ltd.

[China Manufacturers]

Non-Magnetic Slick Drill Collar

Sep 11, 2012

Design & working procedure Conform to the requirment of API Spec 7;Non-API standard type of drill collars are also available. 01 Design & working procedure Conform to the requirment of API Spec 702 Non-API standard type of drill collars are also available as per client'request03 Cold-rolled thread roots04 Thread connections are performed with stress relief grooves05 phosphated threads applied

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

[China Manufacturers]

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

Feb 14, 2012

... 7G 2. Size from 3-1/8" to 11" 3. Drill collars are manufactured from AISI 4145H modified steel, Features1.Minimize the ... 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 ...

Supplier: Shandong Rongli Petroleum Machinery Co., Ltd.

[China Manufacturers]

Spiral Drill Collar,drill collar,drilling collar

Sep 08, 2012

... as to avoid efficiently bit sticking from differential pressure. spiral drill collars are manufactured strictly according to API Spec.7 and Standard ... , all mechanical properties meet with above standards.Spiral Drill Collar,drill collar,drilling collarSizes for drill collar spiral groove. O.D.Cutting depthLead ... ±1.591930279.41111.9±2.378.7±1.592032 Spiral Drill Collar,drill collar,drilling collar

Supplier: Rugao Yaou Import & Export Trade Co., Ltd.

[China Manufacturers]

heavy weight drill pipe(integral,6-5/8")

Jul 06, 2012

... longtime use 3.high quality and reasonable price SpecificationsHeavy weight drill pipe is made of alloyed steel and manufactured strictly from ... vertical holes in soft formation by replacing part of the drill collars. The advantages include:1.Reduced torque in high-rpm, deep ... trip time as compared to handling a long string of drill collars.3.Fewer tool-joint connection failures.4.Easy in handling ...

Supplier: Beijing Dazheng Yongye Construction Machinery Co., Ltd.

[China Manufacturers]

spiral drill collar api 7-1 spiral drill collar

Sep 11, 2012

... ID:2"-3".3. Standard: API 7-1.A. Slick Drill CollarNote: Drill collar is mainly used to provide bit weight to ... manufactured strictly from API Spec7-1 standard. B. Spiral Drill CollarNote: Spiral drill collar is used to reduce contact area with hole ... as to avoid efficiently bit sticking from diffirential pressure. The drill collars are manufactired strictly according to API Spec7-1Standard. C. Spiral ...

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

[China Manufacturers]

API Drill Pipe

Feb 27, 2013

... is a professional production of petroleum machinery such as drill collars, drill pipe and sucker rod manufacturers. Sophisticated production equipment, ... line and forging equipment and friction welding machine drill collars, the most complete processing equipment and testing equipment ... API 5DP standard of our company Drill Pipe Production Process Drill Pipe Features Special Feature Internal Upset ...

Supplier: Baotou Found Petroleum Machinery Co., Ltd.

[China Manufacturers]

Oil Spiral drill collar

Sep 27, 2012

... .Length: 10'--31' 3.Material:AISI 4145 H / 4145H Mod Drill collars are manufactured from AISI 4142H-4145H or 36CrNiMo4 modified steel ... .drill collar mainly used between the dill pipe and drill head and connected by conversion connector ... .37:1 Jenny-region marketing managermob:0086-13675466243 Oil Spiral drill collar

Supplier: Dongying Haixin Petroleum Equipment Co., Ltd.

[China Manufacturers]

US API 5DP certificated G105 4" Drill Pipes

Sep 17, 2012

... are factory specializing in the manufacture and export of drill pipe, drill collars and drilling joints (API and other standerds) for ... the slogan of "Creativity, Quality First, Satisfy Clients".oil drill pipes:drilling pipeStandard: API 7 and API spec. 5DSpecification: ... D.GradeWall ThicknessUpset Ends,For welded-on Tool JointsTool Joint Drill Pipe (E.X.G.S)Size (inch)WeightDesignationCalculated ...

Supplier: Shijiazhuang Longway Petroleum Drill Tools Co., Ltd.

[China Manufacturers]