• CASING SEAMLESS 4-1/2”  11.6LBS / FT  K55 BUTTRESS RANGE 3 System 1
  • CASING SEAMLESS 4-1/2”  11.6LBS / FT  K55 BUTTRESS RANGE 3 System 2
  • CASING SEAMLESS 4-1/2”  11.6LBS / FT  K55 BUTTRESS RANGE 3 System 3
  • CASING SEAMLESS 4-1/2”  11.6LBS / FT  K55 BUTTRESS RANGE 3 System 4
CASING SEAMLESS 4-1/2”  11.6LBS / FT  K55 BUTTRESS RANGE 3

CASING SEAMLESS 4-1/2” 11.6LBS / FT K55 BUTTRESS RANGE 3

Ref Price:
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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
17 m.t.
Supply Capability:
10000 m.t./month

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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 



Q: Metro energy feedback products which good?
Before the subway brake is to use the electricity directly with the resistance to let go, so that it will cause a waste of electricity, as well as investment in two refrigeration equipment, this is very environmentally friendly. Shenzhen Sheng Hong electric for this problem has developed a product called UESS, to solve this problem, but also to solve the UESS Metro Traction voltage problem.
Q: What is a one-time energy
Primary energy refers to the exploitation of natural resources, the direct use of energy, natural resources (such as coal, crude oil, sunlight, uranium, etc.) contained in the human without conversion or conversion of energy.
Q: What is a high value-added products
A lot of houses sold with only a few dollars. But from the spoon river sand refined silicon processing into CPU
Q: Which products need to be marked energy efficiency logo
Energy efficiency standards and energy efficiency labeling has been shown to be the best way to reduce energy costs in terms of cost-effectiveness, but also will bring huge environmental benefits, but also provide consumers with a positive return. Recent research results show that the formulation and effective implementation of new energy efficiency standards and energy identification, increase the efficiency and the level of consumer awareness of energy saving, energy saving in 2020 will be approximately equivalent to 277.5TWh, energy saving 1.29 tons of standard coal. The two common electricity savings equivalent to 2020 China urban and rural residents is expected to 56% of total electricity consumption, that is, through the development and promotion of energy efficiency standards, the implementation of energy efficiency labeling, China future 20 years of urban and rural residents can use the expected growth of consumption by nearly 85%. To 2020, the implementation of energy efficiency standards and labels will total 1.10 reduction in carbon emissions million tons; emissions of nitrogen oxides will reach more than 1 million 700 thousand tons; sulfur oxide emissions will reach 18 million 330 thousand tons; atmospheric particulate emissions will reach 10 million 350 thousand tons. The significant reduction in emissions of atmospheric pollutants can greatly alleviate the environmental problems such as greenhouse effect, photochemical smog, acid rain, and so on.
Q: Can the total energy consumption (equal value) be calculated in terms of the sum of the equal value of electricity and other energy
Equal value is the amount of energy produced by another unit of energy consumed by a unit of 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?
Level 2 means comparison;Level 3 indicates that the energy efficiency of the product is the average level of the Chinese market;
Q: What is the difference between energy star and DLC
In the field of electronic energy consuming products, especially for the energy efficiency of lighting products, Anbotek as a EPA accredited laboratory in the United States, has more than and 10 years of experience, while obtaining the following authorization:EPA recognized Energy Star Testing LaboratoryCalifornia energy efficiency accreditation LaboratoryAccess to the U.S. Department of energy's LIGHTING FACTS LABEL authorized testing laboratory
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 cost effectiveness ratio of energy management in energy quality?
The laws of the state set the maximum value for the former, which set the minimum value; as a rigid index of energy efficiency regulationsAlthough different countries have different national conditions according to different national conditions, these two points are regarded as the final judging index
Q: What is the difference between primary and secondary energy sources two
An energy is taken directly from nature without a variety of energy and resources, processing including coal, crude oil, natural gas, oil shale, nuclear, solar, hydro, wind, wave energy, tidal energy, geothermal energy, biomass energy and ocean thermal energy and so on.

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