API Oilfield Drill String Components, Forged Drill Collar Lifting Sub
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..., natural gas industry and geologic exploration. There're two types for drill tool lifting sub in structure: type A or B. Type A lift sub is with 18 degree shoulder, and type B is with 90 degree shoulder. All ......
Dongying Oilman Machinery Equipment Co.,Ltd.
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Forging Drilling Rig Tools Oilfield Non Magnetic Drill Collars
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Forging Drilling Rig Tools Oilfield Non Magnetic Drill Collars Drilling Rig Tools Non Magnetic Drill Collar For Oilfield Product parameters Machine Type Drilling Tool Material Carbon Steel Processing Type Forging Use Well Drilling bit size 3 3/4"(95mm) ......
Langfang pangolin construction machinery co. LTD
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3 3/8" 8 1/2" Non Magnetic Drill Collar Forging
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Forging Non Magnetic Drill Collar Spiral Non Magnetic Drill Collar For Well Drilling Oil Field Equipment Introduction The non-magnetic drill collar is made of low carbon high chromium manganese alloy steel. It is refined by strict chemical composition, and its mechanical properties are obtained through forging. When the magnetic field strength is 1×105/4marea/m, the relative permeability bias of non-magnetic drill collars......
Langfang Pangolin Drilling Tools Co., Ltd.
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Forged Oil Field Using Integral Heavy Weight Drill Collar
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The surface finish of slick drill collar shall be hot-rolled and mill –finished. Spiral drill collar is to do slot turning outside the surface. Spiral groove on drill collar 's OD make the drilling fluid evenly, equal pressure, with less differential ......
Jiangsu Shuguang Huayang Drilling Tool Co., Ltd.
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Handling DC Type Drill Collar Adapter Wellhead Tool
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...Drill Collar Dolly Link Adapter Product Profile Drill collar lift adapter is designed for lifting drill collar in drilling and workover operation, each drill collar lift adapter is forged from one single billet of high strength alloy steel and heat treated. Drill collar......
Xi'an TianRui Petroleum Machinery Equipment Co., Ltd.
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Non Magnetic Auger Oilfield Drilling Collar 9150 MM Length
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... collars and drill collars with slip grooves. Product Specifications Ф79 drill collar, Ф89 drill collar, Ф105 drill collar, Ф121 drill collar, Ф146 drill collar, Ф159 drill collar, Ф165 drill collar, Ф178 drill collar, Ф203 drill collar, Ф229 drill collar....
Shaanxi FORUS Petroleum Machinery Equipment Co., Ltd
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API Standard Non Magnetic Drill Collar For Oil Field Well Drilling Pipe
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...drill bit and improving the rigidity of the drill string. Drill collars mainly play the following roles in the drilling process: (1) Apply drilling pressure to the drill bit; (2) Ensure the necessary strength under compression conditions; (3) Reduce the...
Shandong Huichi Industry and Trade Co.,Ltd.
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Non Magnetic Drill Collar Oil Field Drilling Tools 9150 and 9650mm API Certification
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API Spec Non Magnetic Spiral Drill Collar Oil Field Drilling Tools Description: Drill collars are manufactured from 4145H modified steel.Drill collars are bored and drifted to API Spec 7-1 and fully heated to meet or exceed the mechanical property ......
Jiyuan City Kunyuan Forging Co., Ltd
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Non Magnetic Spiral Drill Collar Manufacturers Alloy Steel Drill Rig Tools For Oil Drilling
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... Spiral Drill Collar Alloy Steel Drill Rig Tools For Oil Drilling 1,Introduction Magnetic drill collars are made of low carbon high chromium manganese alloy steel, which is refined by strict chemical composition ratio and forged to achieve its mechanical......
Hunan Dinghan New Material Technology Co., LTD
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Spiral Drill Drill Collars
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...Drill Drill Collars Spiral Drill Collars The spiral cut is added to a drill collar to prevent the likelihood of differential wall-sticking by reducing wall contact between the drill collar and the wall of the hole. The spiralling starts 22” from the bottom of the slip recess or 79” from the box end and ends 30” from the pin end. Adding spiralling to drill collars reduces the weight by approximately 4%. InterDril Spiral Well Test Drill...
ROSCHEN GROUP
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