Core drill pipe BQ NQ HQ PQ Wireline drill pipe Water and oil well
drilling
Description
A casing is a large diameter pipe used as a structural retainer for
the walls of an oil and gas well or wellbore. It is inserted into
the wellbore and held in place to protect the subterranean
formation and wellbore from collapse and to allow drilling fluid
circulation and extraction to occur
| Outside diameter: | 4 1/2 inches (114 mm) |
| Steel grade: | R780/S135 |
| Thickness: | 8.56mm |
| Length: | 7.62 meters |
| features: | suitable for water wells |
| Thread Type: | 3 1/2"REG |
Features
1.CROWN 950, Baosteel special material, better concentricity and
straightness.
2. Multi-point temperature measurement to ensure the perfect match
of strength and toughness.
3. Mechanical properties are improved by 15-25%;
The surface hardness reaches 45-55HRC;
Fatigue resistance increased by 20-30%;
The working life is increased by 1.5 times.
Drill pipe usage notes
1. New drill pipe should be pasted thread oil before connection
2. Make up and break at least 3 times before drilling
3. Hard bending and plastic coating can be processed according to
costumer special requirement.
FAQ:
Q: Are you a manufacturer or a trading company?
A: We are a professional manufacturer.
Q: What are your main products and what are their uses?
A: Our products include core barrels, casings, drill pipes,
drilling rigs and other drilling parts.
They are used in mineral exploration, geological drilling.
Q: How to get discount?
A: Prices are based on product and order quantity.
Q: Do you accept sample orders?
A: Yes, please contact us for details.
Q: How is your after-sales service?
A: As a manufacturer with many years of history, we provide prompt
technical support for all questions and queries. Also, we accept
returns or exchanges for quality problems.
Q: Where is your factory?
A: Our factory is located in Hebei Province, China.
