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 Wellhead & XxMas Tree |
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 We supplies wellheads and Christmas trees suitable for landand offshore applications to explore, develop and pro-duce oil. Designing, producing, manufacturing, test,quality control conform to API 6A, latest edition. The main pressure-containing parts of these productsare made of forgings or specially smelted low alloy steel(stainless steel), having high bearing strength. Well-heads manufactured by our company are available in105MPa maximum working pressure and 500 tons maxi-mum suspending capacity, material classes from AAthrough FF, temperature classes from L through V, prod-uct specification levels from 1 through 4 and PR-2, andare in accordance with NACE Standard MR0175. Ourcompany is licensed to API 6A, API 6D, API 16C, API16A and API 7.
Wellheads supplied by Yancheng Sanyi Petro-chemical Machinery Co., Ltd. contain many differentkinds of configurations, meeting requirements of all kindsof bore frames and casing programs, providing servicein different working conditions. Christmas trees and aux-iliary equipment are available at your option. Wellheadsalso can be designed and manufactured according tocustomers' requirements. |
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Series TFZ 35-70A casing head |
| Based on all kinds of drilling and oil-production casinghead used in the oilfields at home and abroad and Series TFZ35-70A casinghead, considering of the actuarial conditions of drillingprocess flow, is a new patent product (Patent No.01217781.4), which gathers all of the advantages ofcasing heads, simples installation process and furthersto raise the safety and reliability. |
Main technology parameters
Casing procedure: 20"¡Á133/8"¡Á95/8"¡Á7" or 51/2";
Connection:
Of the top: 13 3/8"¡Á5000psi (10000PSI) flange withgasket ring BX 160 (BX159);
Of the bottom: 13 3/8" CSG casing thread;
Flange of side outlet: 35 & 65 R27 (70& 65 BX153);
Supporting load:5000KN;
Interchangeable hanger: 4", 41/2", 51/2", 7" & 95/8
Working pressure: 35MPa (70MPa)
Suitable depth of well: 5000~7000m
Working temp: PU level;
Working medium: Oil, gas and mud;
Vertical bore minimum£º ¡é 316mm
Rated material class: DD
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Series TFZ 35-70A casing head
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Item |
Component |
Qty |
Material |
Remark |
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1 |
Packing |
25 |
PTFC |
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2 |
Packing Washer |
10 |
2Cr13 |
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3 |
Lock Screw |
5 |
35 CrMo |
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4 |
Packing Nut |
5 |
40Cr |
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5 |
7" Casing Hanger |
1 |
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6 |
95/8" Casing Hanger |
1 |
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7 |
7Casing Head |
1 |
35 CrMo |
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Series TFZ 35-70A casing head
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Item |
Component |
Qty |
Material |
Remark |
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1 |
1lock sleeve |
25 |
35 CrMo |
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2 |
Bolt |
4 |
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StandardM10 |
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3 |
Fitting |
4 |
20 CrMo |
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4 |
Inside Sliding Bush |
1 |
35 CrMo |
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5 |
Inside Seal Ring |
1 |
NBR |
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6 |
O-Ring |
1 |
NBR |
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7 |
Outside Seal Ring |
1 |
NBR |
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8 |
Outside Sliding Bush |
1 |
35 CrMo |
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9 |
Retaining Ring14130 |
1 |
35 CrMo |
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10 |
O-Ring |
2 |
NBR |
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11 |
11Hanger Housing14130 |
1 |
35 CrMo | | | , |
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