drill collar inspection

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:Drill collar

Model Number:Drill collar

Place of Origin:Langfang City, Hebei Province, China

... is available in various lengths and diameters to suit your specific drilling requirements. Our drill collar features an internal coating of zinc phosphate, which provides excellent corrosion resistance and extends the lifespan of the product, making it a

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: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: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...

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

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

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...

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

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...

Country/Region:china

... lifting capabilities to ensure safe handling of tubular products, drill collars, drill pipes, downhole toolings, etc.Haige liftingbails is manufactured, precisely machined and strictly inspected as per API standard.Haige Lifting Bailsuse structural steel,

Brand Name:DINGSCO

Model Number:According to customers' requests

Place of Origin:China

...Drill Collar Heavy Weight Drill Pipe Oil Field HWDP Non-Magnetic Drill Collar Overview Non-magnetic drill collars are vital components in the drill string, primarily used in directional drilling operations to prevent magnetic interference with downhole measurement tools such as Measurement While Drilling (MWD) and Logging While Drilling...

Brand Name:Factory-owned Brand

Place of Origin:CHINA

...-chromium manganese alloy steel—a non-magnetic material that does not interfere with sensitive downhole instrumentation. The primary function of any drill collar is to provide weight on the drill bit and add stiffness to the bottom hole assembly (BHA).