預應力真空隔熱油管Vacuum Prestressed Insulated Tubing
產品特點和功能The Performance of Product
1.預應力真空隔熱油管的內管受到蒸汽熱量影響時，可釋放預施加的拉應力，以補償內外管溫差伸長，確保了產品在高溫下工作的可靠性。
2.為節約成本，在滿足產品性能的條件下，鋼級可分別采用L80、P110、N80、J55等形式。
3.密封環空內充填有吸氣劑、氣凝膠等，其功能是對污染氣體進行清潔，延緩隔熱等級隨時間增加隔熱性能下降的趨勢，使產品在長期工作中保持良好的隔熱性能。
4.用預應力隔熱油管注汽可以使注汽熱損失大幅度降低,大大提高了可注入深度和注入油層的蒸汽質量。
5.用預應力真空隔熱油管可充分利用地熱資源，降低用電成本。
6.廣泛應用于稠油高溫注汽、高凝油低溫冷采，輸油水管線保溫，地熱水井等領域。
1.Vacuum prestressed insulated tubing uses prestressing compensation technology to ensure its reliable mechanical properties at high temperature.
2.In order to save cost, the grade of steel can be used in L80,P110,N80,J55 etc.
3.The seal ring is filled with getter / aerogels etc, the product has good thermal insulation performance, it plays an important role in preventing heat loss in insulated tubing.
4.Reduces the heat loss, certainly the steam quality and the depth of steam injection can be increased.
5.The use of geothermal resources, reducing the cost of electricity.
6.Widely used in the field of high temperature steam injection in heavy oil, Low temperature cold recovery of high pour point oil, Insulation of oil pipeline, Geothermal well etc.
產品結構Product Structure
1-接箍 2-隔熱襯套 3-密封圈 4-外管 5-隔熱材料 6-內管
1-Coupling 2-Insulating Steeve 3-Seal Ring 4-Outer Tube 5-Insulating Material 6-Inner Tube
主要技術參數Technical Parameter
|
參數 Parameters |
規 格（注） Specification |
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OD 7″ × ID 5-1/2″ |
OD 5-1/2″ × ID 41/2″ |
OD 4-1/2″ × ID 3-1/2″ |
OD 4-1/2″ × ID 2-7/8″ |
OD 3-1/2″ × ID 2-3/8″ |
OD 2-7/8″ × ID 1-9/10″ |
OD 1.42″ × ID 0.79″
|
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178×124 |
139×101 |
114×76 |
114×62 |
88×50 |
73×40 |
36×17 |
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隔熱等級 Insulation Grade |
D E |
CD |
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外管鋼級 Steel Grade of Outer Tube |
L80 P110 N80 J55 |
C、D、H或者根據用戶要求進行單獨設計 |
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內管鋼級 Steel Grade of Inner Tube |
L80 P110 N80 J55 |
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視導熱系數W/m℃ Apparent thermal conductivity(W/m℃) |
0.002≤E＜0.006；0.006≤D＜0.02；0.02≤C＜0.04 |
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長度(m) Length(m) |
R2orR3 |
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單位重量(kg/m) Unit Weight (kg/m) |
62 |
43 |
32 |
28 |
21 |
15 |
4.8 |
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聯接螺紋 ConnectingThread |
7BC |
51/2BC |
41/2BC |
31/2uss |
27/8 USS 27/8 TBG |
1-9/16抽油桿螺紋 1-9/16 Thread of sucker rod |
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管體外徑 Outer Tube O.D(mm) |
177.8 |
139.7 |
114.3 |
88.9 |
73.0 |
36 |
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管體內徑 Inner Tube I.D(mm) |
124 |
101.6 |
76.0 |
62.0 |
50.6 |
40.9 |
17 |
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接箍外徑 Coupling O.D (mm) |
195 |
154 |
132 |
108 |
88.9 |
50 |
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通徑規 Drift |
直徑 Diame-ter (mm) |
121.08 |
98.42 |
72.82 |
59.62 |
48.28 |
38.52 |
13.62 |
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長度 Length(mm) |
152 |
1067 |
1067 |
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抗拉載荷(KN) Tensile Load (KN) |
780 |
780 |
680 |
600 |
500 |
370 |
311 |
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產品等級分類Product Insulation Classification
|
隔熱性能等級 Insulation Classification |
A |
B |
C |
D |
E |
|
視導熱系數（λ） Apparent thermal conductivity(W/m℃) |
0.08>λ≥0.06 |
0.06>λ≥0.04 |
0.04>λ≥0.02 |
0.02>λ≥0.006 |
0.006>λ≥0.007 |
短節規格型號Specification of Pipe Nipple
|
規格 Specification |
外管外徑 O.D of Outer Tube |
內管內徑 I.D of Inner Tube |
接箍外徑 O.D of Coupling |
聯接外徑 O.D of Connection |
長度范圍 Length range |
|
88×40 |
88.9 |
40.9 |
108 |
Non API thread |
1－5m |
|
88×50 |
88.9 |
50.6 |
108 |
Non API thread |
|
|
114×62 |
114.3 |
62.0 |
132 |
API thread |
|
|
114×76 |
114.3 |
76.0 |
132 |
API thread |
|
|
127×62 |
127 |
62.0 |
141.3 |
API thread |
|
|
127×76 |
127 |
76.0 |
141.3 |
API thread |
注:規格、產品可根據用戶要求進行設計制作
Note: Other specifications can be produced according to customer requirements.
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