AISI 4145h Modified Spiral Drill Collar with API Certification
China AISI 4145h Modified Spiral Drill Collar with API Certification, Find details about China Drill Tools, Drill from AISI 4145h Modified Spiral Drill Collar with API Certification
Basic Info.
Model NO.
HRNM-006
Application
Oilfield Drilling Equipment
Trademark
HERUI
Transport Package
Seaworthy Packing
Specification
Customized
Origin
China
HS Code
8431431000
Model NO.
HRNM-006
Application
Oilfield Drilling Equipment
Trademark
HERUI
Transport Package
Seaworthy Packing
Specification
Customized
Origin
China
HS Code
8431431000
Product Desciption
Description:
Spiral drill collar are one kind of the products of our company.Spiral grooves make mud circulate freely around the drill collar to equalize pressure and prevent a seal from forming.It reduces the occurrence of differential pressure sticking.Spiral prevents differential sticking without spiral grooves decrease the volume of the contact between the well side and the pipe.It leads to the decrease of the tack of the pipe and to turning of the drill pipe string.The weight of round drill collars will be reduced approximately 4-6% by spiral conversion.
Q&A:
Q: Are you trading company or manufacturer?
A: We are a manufacturer with our own import and export company.
Q: How long is your delivery time?
A: Generally speaking, 20 days according to the quantity.
Q: Do you provide samples?
A: Yes, we could provide the sample free of charge.
Q: What is your terms of payment?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance, the balance before shipment.
Q: How can I place order?
A: You can contact us by email, or place orders online.
Q: How can I pay you?
A: After you confirm our PI, we will request you to pay. T/T, L/C, Western Union are the most usual ways we are using. If you want to use other way, please tell me, we can discuss it.
Q: What's the order procedure?
A: First we discuss order details, production details by email or TM. Then we issue you an PI for your confirmation. You will be requested to do prepaid full payment or deposit before we go into production. After we get the deposit, we start to process the order. Before production has been finished, we will contact you for shipment details, and the balance payment. After payment has been settled, we start to prepare the shipment for you.
Q: How do you take care when your clients received defective products?
A: replacement. If there are some defective items, we usually credit to our customer or replace in next shipment.
Spiral drill collar are one kind of the products of our company.Spiral grooves make mud circulate freely around the drill collar to equalize pressure and prevent a seal from forming.It reduces the occurrence of differential pressure sticking.Spiral prevents differential sticking without spiral grooves decrease the volume of the contact between the well side and the pipe.It leads to the decrease of the tack of the pipe and to turning of the drill pipe string.The weight of round drill collars will be reduced approximately 4-6% by spiral conversion.
Q&A:
Q: Are you trading company or manufacturer?
A: We are a manufacturer with our own import and export company.
Q: How long is your delivery time?
A: Generally speaking, 20 days according to the quantity.
Q: Do you provide samples?
A: Yes, we could provide the sample free of charge.
Q: What is your terms of payment?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance, the balance before shipment.
Q: How can I place order?
A: You can contact us by email, or place orders online.
Q: How can I pay you?
A: After you confirm our PI, we will request you to pay. T/T, L/C, Western Union are the most usual ways we are using. If you want to use other way, please tell me, we can discuss it.
Q: What's the order procedure?
A: First we discuss order details, production details by email or TM. Then we issue you an PI for your confirmation. You will be requested to do prepaid full payment or deposit before we go into production. After we get the deposit, we start to process the order. Before production has been finished, we will contact you for shipment details, and the balance payment. After payment has been settled, we start to prepare the shipment for you.
Q: How do you take care when your clients received defective products?
A: replacement. If there are some defective items, we usually credit to our customer or replace in next shipment.
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