Agriculture›
Apparel and fashion accessories›
Construction & real estate›💡Electronic & Electrical›🍎Food & Beverages›🛋️Home furnishing & supplies›⚗️Industrial goods & chemical›🪨Minerals & metals›📦Miscellaneous›
Agriculture›
Apparel and fashion accessories›
Construction & real estate›💡Electronic & Electrical›🍎Food & Beverages›🛋️Home furnishing & supplies›⚗️Industrial goods & chemical›🪨Minerals & metals›📦Miscellaneous›Model DCFZ-A hydraulic stage tool is a special tool used to complete the cementing operation in two times. Mainly used in the following circumstances 1.1. Excessive injection of cement at one shot. 1.2. The formation cannot bear the gigantic fluid pressure. 1.3. Packoff special strata. 1.4. Avoid the occurrence of annual air channeling after the cementing job. 1.5. The considerable temperature difference between the upper and lower section makes it rather difficult to adjust the slurry performance. 1.6. Two-stage cementing for deviated and horizontal wells
2. Structure Model DCFZ-A hydraulic stage tool mainly consists of two-stage coupling (body), shut-off baffle, first-stage plug and closing plug (see Fig. 1). Free-fall opening plug is available upon request. An anti-rotation device is specially developed to prevent the synchronous rotation of closing sleeve and bits.
2. A particular structure is developed to prevent the possible pre-shutoff of closing sleeve.
3. In the closing sleeve of closed circulation hole, close the locking mechanism to prevent closure put on the back, to achieve permanent closure.
4. All accessories, made from premium quality rubber or aluminum material, have very good anti-rotating mechanism that makes drillout easy.
5. Free-fall opening plug and pumping-down opening plug are available to realize mechanical opening.
6. The ID. of upper/lower sub should be the same as that of casing, but smaller than that of closing sleeve, which protects the closi Specification (in)72,177.8, Opening Pressure (MPa)16ï½?18 Opening Acting Force (KN)96ï½?102 Closing Pressure (MPa)5 Closing Acting Force (KN)97 Sealing Capacity (MPa)25 Rated Load (t)180 Connection threadAPI 72 BTC Max. OD. (mm)208 Drill-out ID. (mm)159.4 Overall Length (mm)930 Length of first-stage plug (mm)320 Length of Closing plug (mm)280
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Hydraulic Stage Cementing Collars is offered by Dongying Lake Petroleum Technology Co., Ltd, a Supplier based in China, in wholesale quantities for importers, distributors, and trade buyers. Contact the supplier to request pricing, minimum order quantity, and shipping terms for your destination.
When importing Hydraulic Stage Cementing, confirm trade terms such as FOB or CIF, packaging, and any certification or documentation you need directly with the supplier before placing a bulk order.
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When importing Hydraulic Stage Cementing from China, buyers should consider shipping terms (FOB, CIF, EXW), customs documentation requirements, and payment security. Contact the supplier to discuss the best logistics options for your destination country.
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