CASING SEAMLESS 4-1/2” 13.5LBS / FT K55 BUTTRESS RANGE 2

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Oil casing specification
Standard :	API/ASTM/EN/DIN/GB
Material:	J55,K55,N80(N80-1.N80Q),L80-1.C90,P110.
Outside diameter	114.3-339.7MM 4 1/2''-20''
Thinkness:	5.69-12.19MM 0.205-0.635''
Length	R2 or R3
Payment	L/C or T/T 30% or 100% Irrevocable LC at sight
Technics	hot rolling
Package	Standard export bundles or as customer's required
casing standard	Having the API-5CT official monogram
Inspection	we can find third party to inspect the goods.e.g SGS
Thread	LTC.STC.BTC
Delivery time	30-45days after the receipt of L/C
Usage	Oil & gas fields

CASING SEAMLESS 4-1/2” 13.5LBS / FT K55 BUTTRESS RANGE 2

Q:What is a one-time energy: Primary energy: refers to the natural form of the original form, the conversion of energy resources without processing. Natural energy.

Q:I would like to ask you, China's electronic products have the use of energy classification, if so, what is the specific classification?: At present, more than and 100 countries have implemented energy efficiency labeling system. For the blue and white background color identification, divided into 1, 2, 3, 4, 5 a total of 5 grades,Level 1 indicates that the product has reached the international advanced level, the most energy saving, the lowest energy consumption;

Q:How to solve the energy problem: Market economy is open, China should vigorously develop the international energy market, make full use of the international and domestic two kinds of resources, and expand the way and quantity of energy imports

Q:What is a high value-added products: For example, river sand, chemical composition is silica

Q:What are the needs and pain points of new energy vehicles in insurance products and related services: The first consumer experience is not very good. Moreover, the first batch of the purchase of electric vehicles in the resale of second-hand car owners, but also encountered a thorny problem. Immature after-sales service with respect to traditional fuel vehicles have been mature after-sales service, new energy vehicles after the market, it seems not to see where the road".

Q:What are the types of new energy vehicles: 2, hybrid electric vehicle:Refers to the use of conventional fuels, while with motor or engine to improve low-speed power output and fuel consumption models. In accordance with the different types of fuel, hybrid vehicles can be divided into two types of gasoline hybrid vehicles and diesel hybrid vehicles. At present, the mainstream of hybrid vehicles in China are mainly gasoline hybrid, while the international development of diesel hybrid models are relatively fast.

Q:What is the comprehensive calculation of energy production?: Energy production is not equal to the sum of all kinds of energy into standard coal, because the two energy is generated by the primary energy conversion, so the total energy production can only be a variety of primary energy production and the standard coal

Q:What are the courses? What is the difference between specialized research nuclear power, hydropower and so on? I hope not to copy the existing information on the Internet, I learned about the best seniors: The professional training with the theory of heat and mechanics, machinery, energy science, system engineering and so generous, grasp the solar and wind energy, biomass energy and geothermal energy and other new energy professional knowledge, can be engaged in the production of clean energy, renewable energy development and utilization of energy, environmental protection, new energy development, engineering design, optimal operation and production management, cross discipline of advanced composite talents with comprehensive ability, strong innovation spirit and practical ability. Graduates in energy, construction, transportation, materials, electronics, environmental protection and other industries engaged in new energy and renewable energy products R & D and production, engineering design and construction, as well as teaching, research and management, etc..

Q:What is the C type of the product type in the notebook computer?: Product characteristics and brand image as important; B products such as food, medicine, etc., D products such as snacks, beer, beverages, etc..

Q:Energy Star certified product range: Upstairs to answer the news, is the United States energy saving certification, a lot of IT, TV/AV products have to do energy star; but the United States has a California CEC certification, but also energy-saving certification, but different from the energy star

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