API 7-1 5-1/4′′ Square Or Hexagonal Kelly Drill Pipe For Oilfield Drilling
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...Hexagonal Kelly Drill Pipe For Oilfield Drilling Kelly is the drive part of whole drill string, it transmits the torsional energy from the rotary table to the bit in the bottom of the hole. Kelly is supported by the swivel through the rotary table and connected to the first joint of drill pipe in the drill string. Kelly......
Dongying Oilman Machinery Equipment Co.,Ltd.
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1/2" Forging Oilfield Hexagonal Kelly Drill Spare Parts
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..., kelly connected with square bushing and rotary bushing, transfer the ground rotary torque to drill pipe and to drive the drill bit,bearing the weight of the drill string.In the drilling of the turbine and screw, the weight of the drill string and the...
Xi'an TianRui Petroleum Machinery Equipment Co., Ltd.
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square kelly drill pipe
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...pipe body is TPCO according to the customer requirement, the min. wall thickness of the body is 95% WT. We purchase the drill pipe body according to the PSL-3 standard, the impact value (10*7.5*55) -20°C shall meet the average impact ＞80J；the single impact value ＞ 64J. Length and radius of upsetting transition zone shall meet the NS-1requirement, inner transition μ ＞100mm；transition R ＞300mm. Pipe......
Jiangsu Shuguang Huayang Drilling Tool Co., Ltd.
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60mm 2 Meters Length Jet Grouting Double Drilling Rod Kelly Bar Drilling Pipe
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...Drilling Rod Kelly Bar Drilling Pipe Jet Grouting Drilling Tools Drilling Rod Kelly Bar Drilling Pipe/Drilling tools Drill Rod/Drill Pipe/Kelly Bar Main channel carrier of transporting slurry and compressing air and water. 1. Kelly Bar Drilling Pipe Features: A. To meet the demand of different jet grouting processing, such drill......
ROSCHEN GROUP
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Drilling Kelly Cock Valve / Drill Pipe Safety Valve 86 - 203 Inch
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Kelly cock valve Kelly cock is also called kelly Cock or drill pipe safety valve. It is a manual control valve in the drilling string circulation system, which is one of the effective tools to prevent blowout. Kelly cock valves are divided into upper kelly cock valves and lower kelly cock valves. The upper kelly cock valve is used between the lower end of the faucet connector and the kelly. The lower kelly......
XIAN ATO INTERNATIONAL CO.,LTD
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Foundation machine spare parts drilling rig rotary piling rigs friction and interlocking kelly bar column drill pipe
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...drilling rig rotary piling rigs friction and interlocking kelly bar column drill pipe Foundation machine spare parts drilling rig rotary piling rigs friction and interlocking kelly bar column drill pipe 1. Material: Q345B or 35CrMo 2. Type: Interlocking kelly bar, friction kelly bar, combined interlocking and friction kelly bar, square kelly......
Beijing Jietaihongli Technology Co., Ltd.
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Polygonal Small Pitch Thread 4m Water Well Drill Pipe
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... heat-treated to be processed into a taper small pitch thread. The shape is a regular polygon according to the drill rig's spindle, and the torque of the drill rig is passed through the drill string and finally transmitted to the drill bit at the...
Jinzhou City Shitan Machinery Equipment CO. LTD.
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API Drill Pipe Safety Valve OD146mm L500mm NC38 Kelly Valves For Oil Well
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...effective tools to prevent blowout; it is upper Kelly valve and lower Kelly valve which is assembled the upper end and lower end of drill pipe. The kelly valve can be opened on or closed off by the specoal operating spanner at 90 degrees according to the...
KSQ Technologies (Beijing) Co. Ltd
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Polygonal Kelly Drill Rod Pipe With Taper Small Pitch Thread For Mining And Well Drilling Rig Machine
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... to be processed into a taper small pitch thread. The shape is a regular polygon according to the drill rig's spindle, and the torque of the drill rig is passed through the drill string and finally transmitted to the drill bit at the bottom. It has the...
Jinzhou City Shitan Machinery 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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