40ft API 7-1 4145H Oilfield Drilling Hexagonal Kelly
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... kelly pipes are manufactured strictly from API Spec7-1 and SY/T6509-2000 standard. Straightness of the kelly is very crucial in the manufacturing process, thus straightness inspections are carried out before, during and after each machining operation. All...
Xi'an TianRui Petroleum Machinery Equipment Co., Ltd.
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API Oilfield Downhole 4145H Drill Square Kelly and Hexagonal Kelly
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Each kelly shall be conduct 4145H full length heat treatment to ensure that hardness can reach 285-341HB at 1inch from OD; impact energy more than 54J. Each product ......
Jiangsu Shuguang Huayang Drilling Tool Co., Ltd.
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Rotary Square Kelly / Hexagonal Kelly Of Oil Drilling Equipment
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...the bit at the bottom of the hole. Kelly is a long square or hexagonal.precision machined heavy steel bar that is supported by the swivel through the rotary table and is connected to the first joint of drill pipe in the drill string. ......
Dongying Oilman Machinery Equipment Co.,Ltd.
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API 7k Standard Drilling Rig Roller Kelly Bushing
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... friction between rolls and kelly pipes is reduced to extend service life. Change different rollers to match with different squares and hexagonal kelly pipes and connect with different rotary tables. Two transmission styles (square and pin connect) are...
Dongying On-tech Equipment Co., Ltd
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High Performance Square Kelly Hexagonal For Drilling And Weight Bearing
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________________________________________ Product overview: The square drill rod produced and sold by our company Huichi Petro is the core power transmission equipment in oil drilling operations. It is located at the top of the entire drill string and ......
Shandong Huichi Industry and Trade Co.,Ltd.
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Oilfield downhole tools API Spec 7-1 square drill kelly by material AISI 4145H
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More information,please feel free to contact me: Grace Sun Email:business11@kangyuoil.com Mob:+86 182 5465 9971 Skype:sunping7766986...
Dongying Kangyu petroleum Engineering Technology Service Co.,Ltd
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API 7-1 6 Inch 6-5/8 REG NC56 Hexagonal Rotary Kelly 3-1/2 ID For Oil Gas Drilling
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COMPANY PROFILE We(SWS) are specialized in cementing tools drilling tools, and casing accessories, engaging in the development, manufacturing, sales and service. Advanced downhole tool manufacturing technology is used to provide products that exceed ......
Jiangsu Service Petroleum Technology Co., Ltd
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Roller Bushing Handling Tools Max. Torque 32365 Size 630×630×780
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..., by matching with rotary square to drive kelly pipe. Through the rotation of four rolls, the friction between rolls and kelly pipes is reduced to extend service life. Change different rollers to match with different squares and hexagonal kelly pipes and...
XIAN ATO INTERNATIONAL CO.,LTD
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Continuous Flight Auger Drilling Rig Accessories High Strength Good Performance
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Accessories-Drill Rod Interlocking Kelly bar Interlocking Kelly bar is located at the upper end of the drill string. It can be divided into square and hexagonal. In well drilling, when drilling, the Kelly is matched with the square bushing and bushing to ......
Beijing Sinovo International & Sinovo Heavy Industry Co.Ltd.
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Drill Pipe Sub For Connection API Standard Tricone Bit Cross Over Subs
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... for connecting of upper drill tools and lower drill tools during drilling operations. Cross-over sub is API standard Material is AISI 4145H chromium-molybdenum steel. We can offer Kelly cross-over sub, Drill pipe cross...
KSQ Technologies (Beijing) Co. Ltd
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