drill collar

Drill collar are made from 4145H modified chromium-molybdenum alloy steel acc to API Spec.7 and SY/T5144

Standard: API Spec7
Material: AISI 4145H Alloy Steel and Non-magnetic material
Specification: OD: 3-1/8"~11"
Length: 10"~31"

1.O.D: 2-3/8"-20"
2.Grade:J55 K55 N80 P110 ect
3.Thread :NU EU STC LTC BTC
4.Standard: API 5CT

1. High quality
2. Fast delivery.
3. Rock Drill Parts can be offered
4. hight efficiency

Drill collar the latest price
Thickness: 38 - 53 mm
Grade: 12CrMo,35CrMo4,15MnV
Outer Diameter: 79.4 - 279.4 mm
Application: Drill Pipe

1)certified by ISO9001
2)deliery time
3)high quality
4)high sincerity

Drill collar elevator is hoisting tool for drill collars with zip lift recess and drill collards with list plugs in oil and gas field, the elevators a

Drill collars are used to provide weight on bit so that drill pipes are kept in tension. Especially drill collars can keep drill bits centralized and

We supply API certified drill collars.
delivery on time.

The non magnetic drill collars are made from low carbon stainless steel and conform to the requirements of API Spec.7 and SY/T5144.

non magnetic drill collar
1.best quality and best price
2.fast delivery time
3.certification:API&ISO
4.best after-sale service

It's made from N1310 low carbon alloy-steel, refined and forged by strict chemical analysis to reach its mechanical properties.

API Spec7-1 standard.

Quick Details
Place of Origin: Shaanxi, China (Mainland)
Brand Name: FYPE
Model Number: 4"-11"
Type: Drill Collar ...

Material: Non magnetic steel
Shape: Round pipe with smooth surface
Use: Inspection in the process of petroleum drilling.
Average: Ur<1.010.

API Standard 10" Spiral Drill Collars
Standard: API 7-1
Material: AISI 4145H
OEM: yes
Factory Direct

OEE Drill Collar

DRILL PIPE Elevators:
1.high quality service
2.Oil Production Tools
3.Competitive price
4.API 8C Spec.

Material: Non magnetic steel
Shape: Round pipe with smooth surface
Use: Inspection in the process of petroleum drilling.
Average: Ur<1.010.

Drill collar As per API Spec7Material: AISI 4145H & Non-magnetic materialOD: 3-1/8"~11"
Length: 10"~31".
Type: Spiral drill collar and slick drill

drill collar elevator drill pipe elevator
1.best quality and best price
2.fast delivery time
3.certification:API&ISO
4.best after-sale service

Drill collar As per API Spec7Material: AISI 4145H & Non-magnetic materialOD: 3-1/8"~11"
Length: 10"~31".
Type: Spiral drill collar and slick drill

The machine is in the hole for oil drill collar drilling and design for deep hole drilling machine manufacturing.

1.Standard: API Spec 7-1
2.Material:AISI 4145H Modified ally steel
3.length:9.150-9.450m
4.With high quality
5. steady supply

Drilling equipment oilfield API non-magnetic drill collar

TA Drill Collar Elevator according to API 8A/8C
1.Pipe size:2 7/8-11 1/4"
2. API Spec 8A/8C
3. Rated Load :35~150Tons

1.Standard: API Spec 7-1
2.Material:AISI 4145H Modified ally steel
3.length:9.150-9.450m
4.With high quality
5. steady supply

API 8C DC-type Drill Collar Dolly Link Adapter

Drill Collar is the basic component in the BHA which provides weight on the bit for drilling and keeps the drillsting in tension.

Drill collars are used to provide weight on bit so that drill pipes are kept in tension. Especially drill collars can keep drill bits centralized.