Pre-stress Vacuum Insulated Tubing (VIT) Pipe Used For Steam Injection Oil Well

 Pre-stress Vacuum Insulated Tubing (VIT) Pipe Used For Steam Injection Oil Well Product Description  Steam injection is the development of heavy oil resource economic effective method. In order to reduce heat loss of steam injection process and protect casing, usually by Vacuum Insulated Tubing(VIT).   VIT generally uses double concentric tube, in the two layers of annulus inside pack insulation materials, and the pipe ends sealed to ensure good insulating properties. Function of Pre-Stressed Vacuum Insulated Tubing 1. Reduces the heat loss, certainly the steam quality and the depth of steam injection can be increased.   2. Minimizes heat stress on casing and cement mantle, protect the casing from damage by high temperature.   3. During oil production it will provide superior insulation and greatly reduce the loss of heat energy. Character of Pre-Stressed Vacuum Insulated Tubing   4. The pre-stress will compensate the tubing expansion caused by temperature difference between the inner and the outer tubes so as to ensure reliable operation under high temp.   5. Gas absorbing materials are packed inside the annulus to clean up harmful gas and maintain good insulating property whilst in service. 3.Integrated application of heat insulation technology, contains vacuum, heat reflection, heat convection block , ensure super heat insulation performance ofthe insulated tubing.       Product types and specifications:  

Parameter	Model
	139×101	139×88	114×76	114×62		88×50	73×40
Grade of Insulating	D   E		C   D   E			B C D E
Length (m)	9.0-10.0
Unit Weight (kg/m)	42.04	40.7	32		28	21	15
Connecting Thread	51/2 BCSG	51/2 BCSG	41/2 BCSG			31/2 USS	27/8 USS 27/8 TBG
Outer Tube OD (mm)	139.7	139.7	114.3			88.9	73.0
Inner Tube ID (mm)	101.6	88	76.0		62.0	50.6	40.9
Coupling OD (mm)	154	154	132			108	88.9
Running Depth (m)	1600

      Insulating grade  

Insulating grade	B	C	D	E
Apparent k-factor (λ)(W/m.°C)	0.06>λ≥0.04	0.04>λ≥0.02	0.02>λ≥0.006	0.006>λ≥0.002

            Packaging & Shipping   FAQ 1.Are you manufacturer or trader company?
We are manufacturer and we could supply more professional technical services and goods.   2.The goods are new or used, if you will make technical drawing and production plans for us?
All our goods are new ones, the production schedule will offer to you once getting your purchase order.   3.Do you have related inspection equipments?
Yes, our factory is equipment all test equipments, and I could send their pictures and test documents to you.   4.Could you tell me if your price includs the third party inspection charges?
No, our price do not include the third party inspection charge, and we will notice on our Quotation.   5.Will you arrange to install and train?
Yes, Install and debug the equipment;
Train the first-line operators on site   6.Where did your products sell out?
United States, Canada, Mexico, Venezuela, Colubia, and other South American Region,Russica, Azerbaijan and Central Asia Countires,UAE, Saudi Arabia and Mddle East Counties   Our Services    Please click “Send”, It will bring you more satisfication and surprises.    

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Product Categories : Petroleum Tubular Goods > API Tubing Pipe