• CASING SEAMLESS 4-1/2”  11.6LBS / FT  K55 BUTTRESS RANGE 2 System 1
  • CASING SEAMLESS 4-1/2”  11.6LBS / FT  K55 BUTTRESS RANGE 2 System 2
  • CASING SEAMLESS 4-1/2”  11.6LBS / FT  K55 BUTTRESS RANGE 2 System 3
  • CASING SEAMLESS 4-1/2”  11.6LBS / FT  K55 BUTTRESS RANGE 2 System 4
  • CASING SEAMLESS 4-1/2”  11.6LBS / FT  K55 BUTTRESS RANGE 2 System 5
  • CASING SEAMLESS 4-1/2”  11.6LBS / FT  K55 BUTTRESS RANGE 2 System 6
CASING SEAMLESS 4-1/2”  11.6LBS / FT  K55 BUTTRESS RANGE 2

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

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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 


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By using 3MW super capacitor energy storage device for subway compensation cases, can save power 5.4 subway single braking start in Shenzhen, the price of 0.9 yuan calculation, single start braking can save electricity =5.4x0.9=4.86 yuan,
Q: What is a one-time energy
Primary energy, also known as natural energy, refers to the use of natural resources that have not been changed or changed. Such as coal, crude oil, natural gas, water, wind energy, solar energy, ocean energy, tidal energy, geothermal energy, natural uranium, etc.. Primary energy is divided into renewable energy and non renewable energy, the former refers to the repeated generation of natural energy, the latter with a little less, mainly all kinds of fossil fuels, nuclear fuel.
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Primary energy refers to the energy and resources directly from the natural world that have not been processed and converted
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Now, pure electric vehicles maintenance is almost detection agencies appearance, interior decoration, lighting etc are damaged, and the battery only through the computer to detect whether there is no fault, about two years before they need to replace the single gear oil, the cost of maintenance is very low. But now the 4S shop is no electric car repair service, pure electric car repair need electrician certificate, battery replacement requires special equipment, and each car is not universal, so that consumers can not be guaranteed to ensure follow-up.
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Product characteristics and brand image as important; B products such as food, medicine, etc., D products such as snacks, beer, beverages, etc..
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You can sell thousands of dollars, which is a high value-added products
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New energy (NE): also known as unconventional energy. Refers to the various forms of energy outside the traditional energy. Refers to the development or utilization of active research, to be promoted, such as solar energy, geothermal energy, wind energy, ocean energy, biomass energy and nuclear fusion energy, etc..
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Q: What is the difference between primary and secondary energy sources two
The primary energy obtained by processing the converted energy products, known as the two energy, such as electricity, steam, gas, gasoline, diesel oil, heavy oil, liquefied petroleum gas, ethanol, methane, hydrogen and coke etc..

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