79 4mm drill collars

Brand Name:Pangolin

Place of Origin:Hebei China

Non Magnetic Drill Collars Good Low Permeability And High Strength Product parameters Machine Type Drilling Tool Material Carbon Steel Processing Type Forging Use Well Drilling bit size 3 3/4"(95mm) connected thread 2 7/8''reg lobe 5:6 stage 4 flow rate ...

Brand Name:Pangolin

Place of Origin:Hebei China

...Drilling Non Magnetic Drill Collars Introduction The non-magnetic drill collar is made of low carbon high chromium manganese alloy steel. After strict chemical composition refinement, the mechanical properties are achieved through forging. When the magnetic field intensity is 1×105 /4πA/m, the relative permeability of the 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:TR Solids Control

Model Number:Type A Type WT Type DCS

Place of Origin:Xi'an China

...Drill Collar Slip Introduction Drill Collar Slips Type A are multi-segments slips. They can accommodate the change of outer diameter after abrasion of drill collar. They are with light weight, large handling scale and reliable quality. This kind of slips are designed and manufactured according to API SPEC 7K Specification for drilling and well servicing equipment. There are three types of DCS Drill Collar

Brand Name:ROSCHEN

Model Number:9.5inch /8.25inch/8inch/6.5inch/4.75inch

Place of Origin:China

...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

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 ...

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...

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 ...

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...

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: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: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:Topland

Model Number:31189Y10

Place of Origin:China

...m the links. the drill collar assemblies are suitable for use in combination with the perfection links . the size range is from 2 7/8 " plain to 6 5/8" IE Perfection Link Dependable, efficient perfection links are ...

Place of Origin:China

Brand Name:Makeboni

Model Number:109225-4

109225-4mm Drill For Bullmer Cutting Machine The 109225-4mm Drill is a high-precision replacement part designed specifically for Bullmer cutting machines. With a 4mm diameter, this drill is ideal for creating fine, accurate holes and perforations in a ...