One of Hottest for S32750 Hydraulic Control Line Tubing - Hydraulic Control Line – MEILONG

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One of Hottest for S32750 Hydraulic Control Line Tubing - Hydraulic Control Line – MEILONG Detail:

Product introduction

Meilong Tube’s downhole control lines are used primarily as communication conduits for hydraulically operated downhole devices in oil, gas, and water-injection wells, where durability and resistance to extreme harsh conditions are required. These lines can be custom configured for a variety of applications and downhole components.

All encapsulated materials are hydrolytically stable and are compatible with all typical well completion fluids, including high-pressure gas. The material selection is based on various criteria, including bottomhole temperature, hardness, tensile and tear strength, water absorption and gas permeability, oxidation, and abrasion and chemical resistance.

Control lines have undergone extensive development, including crush testing and high-pressure autoclave well simulation. Laboratory crush tests have demonstrated the increased loading under which encapsulated tubing can maintain functional integrity, particularly where wire-strand “bumper wires” are used.

Application

For SSSV (sub-surface safety valve)

In most cases, it is mandatory to have a means of closure for all wells capable of natural ﬂow to the surface. The installation of a subsurface safety valve (SSSV) will provide this emergency closure capability. Safety systems may be operated on a fail-safe principle from a control panel located on the surface.

The SCSSV is controlled by a ¼” stainless steel control line that is attached to the outside of the well tubing string and installed when the production tubing is installed. Depending on the wellhead pressure, it may be necessary to keep as much as 10,000 psi on the control line to keep the valve open.

Other applications:
Capillary coiled alloy tubing for chemical injection.
Bare and encapsulated hydraulic control line coiled alloy tubing for subsea safety valves.
Velocity strings, work strings, and steel tube umbilicals.
Geothermal coiled alloy tubing.

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Hydraulic Control Line (1)
Hydraulic Control Line (4)

Chemical Composition

Chemical Composition
Carbon	Manganese	Phosphorus	Sulfur	Silicon	Nickel	Chromium	Molybdenum
%	%	%	%	%	%	%	%
max.	max.	max.	max.	max.
0.035	2.00	0.045	0.030	1.00	10.0-15.0	16.0-18.0	2.00-3.00

Norm Equivalence
Grade	UNS No	Euro norm		Japanese
Grade	UNS No	No	Name	JIS
Alloy	ASTM/ASME	EN10216-5	EN10216-5	JIS G3463
316L	S31603	1.4404, 1.4435	X2CrNiMo17-12-2	SUS316LTB

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316L Hydraulic Control Line Tubing