Cangzhou Ruitai Petroleum Machinery Co., Ltd
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Perforated Casing
Perforated casing is manufacturing with API casing joints with size up to diameter 20". Every joints perforated is deburred internal and external. Upon request,we can drill standard or customized hole size in any number and any patten.
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Screen Pipe
Perforated Casing
Perforated casing is manufacturing with API casing joints with size up to diameter 20". Every perforated joints is deburred internal and external. Upon request,we can drill standard or customized hole size in any number and any patten.
Technical Specification
| Pipe Size | Holes per feet | Size of hole | Perforated Area per Feet |
| 3/4" | 78 | 3/16" | 2.15 |
| 1" | 54 | 5/16" | 4.14 |
| 1-1/4" | 66 | 5/16" | 5.06 |
| 1-1/2" | 78 | 5/16" | 5.98 |
| 2-1/16" | 78 | 5/16" | 5.98 |
| 2-3/8" | 90 | 3/8" | 9.94 |
| 2-7/8" | 102 | 3/8" | 11.26 |
| 3-1/2" | 126 | 3/8" | 13.91 |
| 4" | 138 | 3/8" | 15.24 |
| 4-1/2" | 150 | 3/8" | 16.56 |
| 5" | 162 | 3/8" | 17.88 |
| 5-1/2" | 174 | 3/8" | 19.21 |
| 6-5/8" | 186 | 3/8" | 20.53 |
| 7" | 222 | 3/8" | 24.51 |
| 9-5/8" | 294 | 3/8" | 32.46 |
Perforated casing is a type of well casing that features a series of small holes drilled into it. The main purpose of these holes is to allow water, gas or oil to flow into the wellbore while blocking out unwanted debris such as sand or shale.
One of the key features of perforated casing is its durability. Because it is made of high-quality steel or other metals, it is highly resistant to corrosion and can withstand harsh wellbore conditions. This makes it an ideal choice for use in oil and gas exploration and production.
Another important characteristic of perforated casing is its flexibility. It can be customized to fit a wide range of wellbore sizes and configurations, ensuring that it provides the best possible fit for each individual well. This adaptability also makes it easy to install and maintain, which can save time and money over the life of a well.
Overall, perforated casing plays a critical role in the success of oil and gas exploration and production. By allowing for the free flow of fluids while keeping out unwanted debris, it helps ensure that wells operate efficiently and effectively for many years to come.
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