CASING SEAMLESS 5” 21.4LBS / 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 5” 21.4LBS / FT K55 BUTTRESS RANGE 2

Q: Firewood (dry) is what type of energy: It includes plants, animals and microorganisms. The concept of biomass includes all plants, microorganisms, animals, plants, microorganisms, and waste products

Q: What are the types of new energy vehicles: 1, fuel cell electric vehicle (FCEV):The utility model relates to a motor which is driven by a chemical reaction, and is driven by a motor. The energy of the battery is directly converted into electricity by the chemical action of hydrogen and oxygen, rather than by combustion.

Q: New energy technology applications, including the professional: 4 related to power generation, (our country has only one qualification qualification, registered electrical engineer. Among them, there are two directions, power transmission and distribution, power distribution XX class is very sorry, although wind power, photovoltaic power generation is the country but only recognized the development of power transmission and distribution and other professional;

Q: What are the sources of energy that are common in life and the two energy sources: Primary energy refers to the energy and resources directly from the natural world that have not been processed and converted

Q: What is the general energy?What do we usually say about energy conservation?: Seventh any unit and individual shall fulfill the obligation of energy conservation, the right to report the waste of energy behaviorThe people's governments at various levels shall give awards to units and individuals that have made outstanding achievements in the research and promotion of energy conservation and energy conservation technologiesThe eighth Department of the State Council shall be responsible for the supervision and administration of energy conservation throughout the country, and the relevant departments under the State Council shall be responsible for the supervision and administration of energy conservation within the scope of their respective functions and dutiesDepartment of energy conservation administration of the local people's governments at or above the county level within the administrative region of the supervision and administration of energy conservation. The relevant departments of the local people's governments at or above the county level shall exercise supervision and administration work within the scope of their respective duties.

Q: Which products need to be marked energy efficiency logo: China is the world's largest producer and consumer of household electrical appliances. The rapid growth of household appliances has brought huge energy consumption, but also increased the pollution of the environment. Countries around the world through the development and implementation of energy efficiency standards, the promotion of energy efficiency labeling system to improve energy efficiency of energy efficient products, and promote energy-saving technological progress, thereby reducing emissions of harmful substances and environmental protection.

Q: What are the contents of bio energy: Bio energy is a kind of renewable energy, which can convert biomass, water and other inorganic substances into biogas, hydrogen and other flammable gases or ethanol, oil and combustible liquid.

Q: Trademark registration of energy and environmental protection is the first category: Article 02: paint, varnish, paint, rust and wood preservatives, colorants, mordant, raw natural resins, painters, decorators, printers and artists with metal foil and powderArticle 03: laundry bleach and other materials, cleaning, polishing, scouring and abrasive preparations, soap, spices, essential oils, cosmetics, shampoo, toothpaste

Q: What are the economic operating standards for energy equipment and systems?: Ten measures to build a resource-saving societyThe party's the fourth Plenary Session of the 16th CPC Central Committee through the "CPC Central Committee on strengthening the party's ruling ability construction decision" to "pay attention to family planning, to save resources, protect the environment and production safety, vigorously develop the circular economy and building a conservation minded society", as the important content of the party continuously improve the ability to control the socialist market economy, to further strengthen the party's ruling of our party capacity building, pointed out the direction. This is to accelerate the construction of resource-saving society, promote the development of circular economy, taking a new road to industrialization, to ease the bottleneck of resources, solve the well-off society facing resource constraints and environmental pressures, to ensure that major initiatives continued rapid and healthy development of the national economy, far-reaching significance.

Q: What is the difference between primary and secondary energy sources two: Primary energy can be further divided into two categories of renewable energy and non renewable energy. Renewable energy including solar energy, wind power, wind energy, biomass energy, wave energy, tidal energy, ocean thermal energy, etc.. They can be recycled in nature. Renewable energy, including: coal, crude oil, natural gas, oil shale, nuclear energy, etc., they can not be recycled, with a little, then a little less.

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