3LPE Polyethylene Epoxy Coating Pipe

Standard:API, ASTM, BS, GB
Standard2:API 5L, ASTM A252-1998,
BS EN10219, BS EN10217, GB/T 9711.1-1997,
GB/T 9711.2-1999, GB/T 9711.3-2005
Grade Group:Mo, Q195-Q345
Grade:16mo3, Q235, Q345, Q195, Q215
Thickness:5 - 30 mm
Section Shape:Round
Outer Diameter(Round):219 - 3048 mm
Place of Origin:Hebei, China
Application:Oil Pipe
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3LPE Coated Pipes consist of 3 layers for pipeline coating.


Layer 1 consists of Fusion Bonded Epoxy. This later provides protection against corrosion and is fusion bonded with the blasted steel surface.





Brief Introduction

3LPE Polyethylene Epoxy Coating Pipe

Standard:

API 5L, API 5CT, ASTM A252, ASTM 53, EN10217, EN10219, BS 5950, ASTM A572 , JIS, IS, 

Certificate:

EN10217, EN10219, API 5L PSL1/ PSL2, API 5CT 

Out Diameter:

219.1 - 3048mm

Wall Thickness:

5 - 30mm

Length:

Up to 70m

Steel Grade: 

API 5L: GR A, GR B, X42,X46, X56, X60,X65,X70

ASTM A252 GR 1, GR 2, GR 3

ASTM A53: GR A, GR B, GR C, GR D

BS 4360: Grade 43, Grade 50

EN: S275, S275JR, S355JRH, S355J2H

Surface Treatment:

Fusion bond Epoxy coating, Coal Tar Epoxy, 3PE, Vanish Coating, Bitumen Coating, Black Oil coating as per customer’s requirement 

Test:

Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, X-ray Test.

Mill Test Certificate: 

EN 10204/3.1B 

The surface casing is the outermost casing in the well casing program.




Surface casingAfter drilling hole drilling to the surface layer below the bedrock, or drilling to a certain depth, under the surface casing.


The role of the surface casing is: 

(1) isolation of the upper aquifer, do not make surface water and surface groundwater infiltration wellbore;

(2) protect the wellhead, strengthen the surface layer of the well wall;

(3) for continue to drill will encounter high-pressure oil and gas layer, in the surface casing installed blowout preventer to prevent blowout.


All the gaps between the surface casing and the shaft wall shall be sealed with cement, that is, when cementing and cementing, the cement mud shall return to the well head, 


so as to isolate the formation and protect the shaft wall.Surface casing depth, at least 100 m.



Well logging, 



also known as geophysical logging or mine geophysics, is a method of measuring geophysical parameters by utilizing the electrochemical, electrical, acoustic, radioactive and other geophysical properties of rock layers. It is one of the applied geophysical methods (including gravity, magnetism, electricity, earthquake and nuclear).


In oil drilling, well logging, also known as electrical well completion measurement, must be carried out after drilling to the designed depth of the well, so as to obtain various petroleum geological and engineering data as the original data of completion and development of oil fields.This type of logging is conventionally known as open hole logging.



The two series logging after casing running is called production logging or development logging.Its development has experienced four stages: analog logging, digital logging, numerical control logging and imaging logging.



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