spiral drill collars

Brand Name:Pangolin

Place of Origin:Hebei China

... chemical composition and achieved its mechanical properties by forging. When the magnetic field strength is 1 × 105 / 4π A / m, the relative permeability μr≤1.010 of the non-magnetic drill collar. The

Place of Origin:China

Brand Name:SHUGUANG

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 ...

Brand Name:TR Solids Control

Model Number:NC23-31

Place of Origin:Xi'an China

...und the drill collar to balance pressure preventing pressure block, so effectively avoid bit sticking from differential pressure. Spiral collar can also reduce the contact area between the wall and tubular body, so as to avoid from sticking phenomenon of

Brand Name:Pangolin

Place of Origin:Hebei China

...Drilling Spiral Drill Collar Spiral Drill Collar Non Magnetic Drill Collar For Oil Rig Drilling Advantages Since all magnetic measuring instruments can sense the geomagnetic field in the borehole when measuring the borehole direction, the measuring instruments must be in a non-magnetic environment. However, in the drilling process, the drilling...

Brand Name:JCDRILL

Model Number:175*4500mm

Place of Origin:Hebei,China

... to drill pipe and centralize the drill bit. According to API Spec7-1 specifications, the material quality is 4145H that’s after heat treatment, thread hardening treatment and phosphate to better ...

Brand Name:ROSCHEN

Model Number:6.750”, 8.75", 9.5"

Place of Origin:China

Non-Magnetic Spiral Drill Collars Non-magnetic drill collars: NMDCs are generally flush (nonspiral). They are manufactured from high-quality, corrosion-resistant, stainless steel. They are used while running the magnetic survey instruments to be located...

Model Number:All types

Place of Origin:China

...Spiral DC Drill Collar For Oil Well Drilling Drill collars are extra-heavy integral tools used to concentrate weight onto the drill bit so as to produce sufficient force for the drill bit to break rock efficiently while drilling. They are made of AISI 4145H or 4145H modified steel and are connected between drill pipes and drill bits. Our drill collar...

Brand Name:DINGSCO

Model Number:According to customers' requests

Place of Origin:China

Non Magnetic 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 ...

Place of Origin:Jiyuan, China (Mainland)

Brand Name:KY

... of 285-341HB and a charpy “V”notch impact value of 54 joules are guaranteed one inch below the surface When enquiries or orders,please specify: Slick or spiral ;

Brand Name:HuiChi (HC)

Model Number:Drill Collar Series

Place of Origin:China

...Spiral And Non-Magnetic Drill Collars In Various Sizes For Petroleum Drilling ________________________________________ Product overview: The Drill Collar produced and sold by our company Huichi Petro is one of the core tools in oilfield drilling operations. It is a thick-walled, heavy-weight tubular drill bit that is connected between the drill pipe and the drill bit and is an important part of the drill

Place of Origin:China

Brand Name:Kangyu

Model Number:ZH-JZ55-5 1/2FH

Drill Collar features: • High quality, unique material • Special medium frequency heat treatment method • Meet the requirements of API SPEC7-1 • Aadvanced super magnetic method and mechanical properties •Strict quality management system •We can provide the common drill collar, Spiral drill collar,and non-magnetic Drill Collar...

Brand Name:FORUS

Model Number:4 3/4”

Place of Origin:China

... 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.

Brand Name:ATO

Place of Origin:CHINA

Drill Collar Slip Introduction: Type DCS Drill Collar Slip 　　The Type DCS drill collar slips are designed and manufactured in API Spec 7K and SY5049-91.It is manufactured in a structure of multi-segment pieces with firm structure, light weight, and large holding range, which is easy to fit the changing of the external diameter of the drill collar...

Place of Origin:China

Non-magnetic drill collar, non-magnetic sub, NMDC NMsub Our company supplys used hdd machine such as used goodeng, used xcmg, used drillto, used dwtxs, used dilong, used Vemeer, new and used drill rod, new and used mud pump, drilling tools like barrel ...

Brand Name:JYXC

Model Number:DGNLX04

Place of Origin:HeBei China

...pipe can be divided into single-wall hollow drill pipe and double-wall drill pipe.When the former is drilled to a predetermined depth, the concrete is continuously poured into the concrete at the same time as the drill is raised, and then the steel cage is

Place of Origin:CHINA

Brand Name:SINOCOREDRILL

High Performance Trenchless Drilling Equipment Drill Collar Providing Weight Description Drill collar is a component of a drill string that provides weight on bit for drilling. This kind of trenchless tool is a thick-walled tubular piece that is machined...

Brand Name:SANROCK

Model Number:Twist Drill Pipe

Place of Origin:Zhejiang, China

...deep, continuous helical (spiral) groove machined along the entire shaft, which enables rapid removal of drilling debris (cuttings) while maintaining boreholestability. Fabricated from ultra-durable alloy steel with optional wear-resistant coatings (e.g.,

Brand Name:RanCheng

Model Number:Auger Drill Pipe

Place of Origin:China

Spiral Drill Rod/Auger Drill Pipe For Water Drilling And Gas Coal Mine Exploring Product description The quick-connect spiral drill rod is connected end to end with a square or hexagonal shape, and uses a spring pin to automatically lock or a semicircular ...