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China, Chinese API 6A Wellhead Equipment Casing Head for Oil Production1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Petroleum Equipment MachineryWellhead TreeCasing HangerTubing Hanger
Cixi Fly Pipe Equipment Co., Ltd.
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Product Description API 6A wellhead equipment Casing head for oil productionThe casing head is classified into two types, including the bottom drive head and the middle drive head spool. It is a key component connecting the casing pipe and various wellhead devices.Main Functions1. It supports the partial or entire weights of all casing pipes except for the conduit via the hanger.2. It connects the blowout preventer and other wellhead devices.3. Pressure sealing is formed between the internal and external casing strings.4. It provides exit for the pressure accumulated between the two layers casing pipes.5. In case of emergency, the fluid as kill or extinguishing fluid can be pumped into the well via the side hole of casing head.6. The casing head has excellent performance for special operations.a. If the well cementation quality is inferior, supplementary cementing can be performed via the side hole.b. For acid-fracturing operation, the pressure equilibrium liquid can be injected via the side hole.7. This product also acts as a transition piece for the middle casing spool, tubing head, Christmas tree or other upper wellhead devices. The middle casing spool has the same features and functions as that of the lower casing head. Their difference lies in that the lower casing head assembly is built for suspending the surface casing and the middle casing spool assembly is used for hanging the intermediate casing.In addition, the casing head and the hanger are provided in wide varieties. They also can be custom-made according to your actual needs, such as C-22, C-29, etc.S type bottom casing head G type bottom casing head ParametersSize A (inch) Size C (inch) 2000PSI 3000PSI 5000PSI Top Flg. Thd.or Weld H B H B H B 9 7 5/8 440 182 440 182 450 182 7 440 168 440 168 450 168 11 10 3/4 450 248 450 248 470 248 9 5/8 450 234 450 234 470 234 8 5/8 450 208 450 208 470 208 13 5/8 13 3/8 475 316 475 316 485 316 12 3/4 475 298 475 298 485 298 16 3/4 16 485 385 485 385 485 385 18 3/4 18 500 440 20 3/4 20 520 482 21 1/4 20 520 482 520 482 Intermediate casing spoolS-Y type intermediate casing headParametersSize A (inch) Size D (inch) Size (inch) Top Flg. Bottom Flg. H Max. B Max. C 9-3000 11-2000 580 208 8 5/8 11-3000 580 208 8 5/8 9-5000 11-3000 600 208 8 5/8 11-5000 600 208 8 5/8 13 5/8-3000 620 248 10 3/4 13 5/8-5000 630 248 10 3/4 11-2000 13 5/8-2000 620 248 10 3/4 16 3/4-2000 640 316 13 3/8 11-3000 13 5/8-3000 625 248 10 3/4 16 3/4-3000 640 316 13 3/8 11-5000 13 5/8-3000 630 248 10 3/4 13 5/8-5000 640 248 10 3/4 16 3/4-3000 650 316 13 3/8 16 3/4-5000 670 316 13 3/8 11-10000 13 5/8-5000 700 248 10 3/4 16 3/4-5000 700 316 13 3/8 13 5/8-2000 13 5/8-2000 650 248 10 3/4 16 3/4-5000 670 316 13 3/8 13 5/8-3000 13 5/8-3000 650 248 10 3/4 16 3/4-3000 670 316 13 3/8 20 3/4-3000 680 385 16 21 1/4-2000 680 385 16 13 5/8-5000 16 3/4-3000 680 316 13 3/8 16 3/4-5000 680 316 16 20 3/4-3000 680 385 16 21 1/4-2000 680 385 13 3/8 13 5/8-10000 16 3/4-5000 700 316 13 3/8 20 3/4-3000 700 385 16 21 1/4-2000 700 385 16 16 3/4-3000 20 3/4-3000 700 385 16 21 1/4-2000 700 385 16 16 3/4-5000 20 3/4-3000 700 385 16 21 1/4-2000 700 385 16
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