nmdc drilling collars 300mm

Brand Name:Pangolin

Place of Origin:Hebei China

...'s geomagnetic field when measuring the direction of the borehole, the measuring instrument must be in a non-magnetic environment. However, in the drilling process, the drilling tool is often magnetic and contains a magnetic field, which affects the

Brand Name:Pangolin

Place of Origin:Hebei China

...Drill Collars NMDC Oil Gas Drilling Tool API Drill Collar Spiral Drill Collar And Non Magnetic Drill Collar Introduction Non-magnetic drill collars have unusual design requirements and therefore bring unique corrosion resistance issues. The drill collar is the bottom component of the drill string. The weight of the drill generates a force on the drill bit on the drill generates to make it drill in. The stiffness of the drill...

Model Number:All types

Place of Origin:China

...Drill Collar And NMDC Non Magnetic Drill Collar 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...

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:ROSCHEN

Model Number:6.750”, 8.75", 9.5"

Place of Origin:China

...used while running the magnetic survey instruments to be located in a NMDC of sufficient length to allow the measurement of the earth's magnetic field without magnetic interference. Survey instruments are isolated from magnetic disturbance caused by other

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.

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:HuiChi (HC)

Model Number:Drill Collar Series

Place of Origin:China

...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

Place of Origin:Jiyuan, China (Mainland)

Brand Name:KY

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 ...

Brand Name:TR Solids Control

Model Number:TRDT

Place of Origin:Xi'an China

.../8 to 11 inches. Besides the drill collars in the table below, we can supply other drill collars at customers' request. Trepanning and Heat Treatment: Drill collars are trepanned and drifted to API Spec 7-1. Full-length heat-treatment processes ensure that

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

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:MTH

Model Number:H22 tapered drill rod

Place of Origin:CHINA

..., coal mines, traffic and other construction. Normal diameter or rod is 22mm, named H22, we can also make H19 and H25. Effective Length: 300mm to 8000mm. Degrees : 7°.11°,12° Shank: 22*108mm Rod Length: 300mm~6400mm ( Lengths could be made to your

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 ...

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:ST

Model Number:ST-100

Place of Origin:China

...Trailer Mounted Water Well Drilling Rig With Drill Hole 300mm ST 300 Trailer Mounted Water Well Drilling Rig With Drill Hole 300mm is designed on the basis of ST 100. It is a kind of low speed and big torque portable drilling machine with hydraulic feeding...

Brand Name:DINGSCO

Model Number:According to customers' requests

Place of Origin:China

...Drill Collar P530 P550 A non-magnetic drill collar is a specialized component used in the drilling industry, particularly in directional and horizontal drilling operations. Unlike traditional drill collars, these are made from non-magnetic materials, such as stainless steel or other alloys, to avoid interference with the measurement-while-drilling (MWD) and logging-while-drilling...

Brand Name:MEGA DRILLTECH

Model Number:MDT-200 Plus

Place of Origin:China

... structure, it can proceed attacking and gyrating drilling, and is used for engineering geological exploration in road,railway,bridge foundation,dam site,well,prospecting or industrial and civil architecture. It can also used in ...