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[China]
Trade Verify
Address: Shijing Village, Hejian City, Cangzhou, Hebei Province
Contact name:Jessica
Hejian Sanlong Petroleum Machinery Co., Ltd. |
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Verified Suppliers
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Introduction
Lake Petro supply the X-Over Pin (Male) x Box (Female), Pin( Male)
x Pin (Male) and Box (Female) x Box(Female) for Drilling string
crossover sub.
Crossover Sub (X-Over) is used for crossing over from the size of a
single connection to the another. Also used for prolonging the
connection life of a more expensive drilling component.
Straight Sub
Straight Sub is used to connect drilling string components that
have a similar outside diameter.
Reduced Sub
Reduced Sub is used to connect drilling string components that have
different diameters that warrant the cross-sectional change
necessary to accommodate different connections. This sub would be
used to crossover large OD drilling tools or a tapered drill collar
string.
Saver Sub
Saver Sub is used to extend the life of the kelly by taking the
connection wear each time it is made up to a drill stem component.
Used in
Tri-cone bit is a decelerating bit. It is based on the fact that
the speed of the cone is less than the speed of the bit. It is
suitable for sidetracking of old wells and deepening of small
boreholes under high speed and high drilling pressure.
FAQ:
1. How to order the products?
A: Please send the inquiry with detail item description or with Model number.
2. How about the common packing?
A: If there is no special packing demand, we will take it as our normal packing. First in small carton, and then put in the bigger carton together to make sure goods completed.
3. Can I expect a quality products?
A: Yes. mature production technology ensuring the quality satisfy international request.
4. How to check the product are the exact one you want?
A: If possible, please attach one reference picture to avoid any misunderstanding or any links from our website for a better understanding.
5. How to control quality?
A: We have our own experienced QC team,there will be strict inspection and testing for each order before shipping out.
6. Fast delivery time:
A: Usually it takes 25 days for production.only 3 or 5 days if we have stock of your request size.
7. Competitive price:
A: Our factory can supply you the lowest price due to direct sale to customers without distributor!
