Oil Well Drilling Slotted Liner/Perforated Casing Pipe
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Product Highlights
- High Strength & Bending: Allows proper bending suitable for various complex conditions in horizontal wells.
- Precision Slotting: Laser cutting and milling cutter cutting with opening area ranging from 2% to 6%.
- Robust Material Options: Available in J55, N80, and P110 steel alloys for high pressure and temperature applications.
- Sand Control Function: Effectively prevents rock bits dropping and forms sand bridges to stop larger sand particles.
- Cost Effective: Features low price, simple construction, and low cost of operation.
- Customizable Dimensions: Diameter and specifications can be adjusted according to specific customer requirements.
Product Attributes
- Customization
- Available
- Material
- Steel Alloy
- Temperature Classification
- High Temperature Piping
- MPa Classfication
- High Pressure Piping
- Standard
- ASTM, GB, API, DIN, JIS
- Medium
- Fluids with Solid Particle
- Cross-Section Shape
- Round
- Connection Type
- Thread
- Diameter
- as Requirements
- Transport Package
- Carton
- Specification
- based on customer requirements
- Trademark
- INNOVAT/OEM
- Origin
- China
- HS Code
- 6810999000
- Production Capacity
- 500000 Meters/ Season
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Oil Well Drilling Slotted Liner/Perforated Casing Pipe
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Product Description

The oil well screen casings are mainly used for surface casing and protection. It can be produced according to three standards: Chinese standard, German Standard and American Standard. All the slotted joints are deburred internally, cleaned and drift tested according to API standards. Every slot is visually inspected and cleaned of burr material. All threads and couplings are thoroughly cleaned and lubricated.
4. Opening area 2%-6%. 5. Materials: J55, N80, P110. 6. Laser cutting and milling cutter cutting.
| Slot Length (mm) |
Slot No. (NO./m) |
Slot Width(mm) | Slot Tolerance | Valid Filter Area(cm/m) | Max. Strength |
10-200 |
200 | 0.25-15 |
±50 |
48 | 512.54 |
| 240 | 57.6 | 688.55 | |||
| 280 | 67.2 | 995.1 | |||
| 300 | 72 | 1151.2 | |||
| 320 | 76.8 | 1400.4 | |||
| 340 | 81.6 | 1673.8 | |||
| 360 | 86.4 | 1900.2 | |||
| 360 | 86.4 | 2232.4 | |||
| 400 | 96 | 2672.95 | |||
| 440 | 105.6 | 2559.2 | |||
| 440 | 105.6 | 2940.7 |

| API Std. Casing API | ID(mm) | Length(m) | ||
| Spec(mm) | Thickness(mm) | Per Weight(kg/m) | ||
| 60.32 | 5 | 6.84 | 50.3 | 3-12 |
| 73.02 | 5.5 | 9.15 | 62 | |
| 88.9 | 6.5 | 13.22 | 75.9 | |
| 101.6 | 6.5 | 15.22 | 88.6 | |
| 114.3 | 7 | 18.47 | 100.3 | |
| 127 | 7.72 | 22.13 | 112 | |
| 139.7 | 7.72 | 25.11 | 124.3 | |
| 9.17 | 29.48 | 121.4 | ||
| 168.3 | 8.94 | 35.09 | 150.4 | |
| 177.8 | 8.05 | 33.68 | 161.7 | |
| 9.19 | 38.19 | 159.4 | ||
Slotted liner:The slotted liner is mainly used to the water and oil reservation layer without much sand. It's function is prevent rock bits dropping into the well bore. The working principle is allowing the certain size and coming through the surface with crude oil but keeping the bigger size sand being stopped outside to form sand bridge, and thereby achievement the anti-sand purpose.This type of product is commonly used to sand rock and carbonate reservoir, and especially useful for horizontal wells.
Slotting pattern: line slot pattern, staggered slot pattern, multiple staggered slot pattern.








About the Supplier
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Company Profile
Hebei Innovat Building Materials Group Co., Ltd. is an enterprise specializing in manufacture and sale of high-quality metal products.
Main products of INNOVAT GROUP: All kinds of steel products, aluminum products, copper products, high temperature and corrosion resistant alloy products, wire mesh products, metal products, high-precision cold-drawned and cold-rolled products, ultraprecise stamping and machined products, high-grade metal filter products, the overall solution of the tower tank filter device, etc.
INNOVAT GROUP implements comprehensive quality management and has complete production qualifications. We has passed ISO 9001 quality management system certification, ISO 14001 environmental management system certification, ISO 45001 occupational health and safety management system certification, AS 9100 aerospace quality management system certification, and American Petroleum Institute(API) quality management system certification, British Lloyd's quality management system certification, EU AD2000-W0 and TUV SUD PED 2014/68/EU certification, etc.
Organizational structure:
Operation centers and R& D centers located at the 8th floor of Block B, Ziyu Park Plaza, Yuanxi Street, Qiaoxi District, Shijiazhuang city, Hebei Province,
Production bases located at Shahe city, Hebei and Anping county, Hebei respectively.
INNOVAT GROUP has been deeply engaged in the field of metal products for more than 8 years, and has now become a mature exporting enterprise. It has established long-term and stable cooperative relations with many Fortune 500 companies such as Thyssenkrupp, 3M, IMEDCO, Kurtz, etc. We have accumulated more than 300 stable customers from 78 countries around the world, and the company's performance has hit new highs year after year.
INNOVAT GROUP is committed to providing high-quality products and services at competitive prices to customers around the world.
About Our Factory & Business Background
- Address
- 8th Floor, Block B, Dongsheng Ziyu Park Plaza, Qiaoxi District, Shijiazhuang, Hebei, China
- Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment, Money Gram
- International Commercial Terms(Incoterms)
- FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA
- Average Lead Time
-
Peak Season Lead Time: 6-12 months
Off Season Lead Time: within 15 workdays - Nearest Port
- XIN GANG, TIANJIN PORT
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2013-03-02
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What are the available material grades?
- The product is available in J55, N80, and P110 steel alloys.
- What is the opening area of the slots?
- The opening area ranges from 2% to 6%.
- How are the slots manufactured?
- Slots are created using laser cutting and milling cutter cutting methods.
- What is the primary function of this slotted liner?
- It is used for sand control, preventing rock bits from dropping, and protecting water and oil reservoir layers.
- Can the diameter be customized?
- Yes, the diameter is produced according to specific customer requirements.
- What are the slotting patterns available?
- Available patterns include line slot pattern, staggered slot pattern, and multiple staggered slot pattern.
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