Remove Cement Mud And Other Substances With Casing Scrapers API Certified

Product Overview

The Casing Scraper produced and sold by our company Huichi Petro is an indispensable professional tool in oilfield drilling operations. It is mainly used to remove cement blocks, hard wax, iron filings, shell skins, paraffin, iron oxide, burrs and other impurities attached to the inner wall of the downhole casing, ensuring that the inner wall of the casing is smooth and clean, avoiding formation pollution, and creating good conditions for subsequent completion, well repair, cementing and other operations.

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Product Type

1. Rubber-type casing scraper: The main working part is a rubber rubber sleeve. The rubber sleeve has good elasticity and wear resistance, can fit tightly to the inner wall of the casing, and remove soft wax, oil and other impurities on the inner wall of the casing by moving up and down. It is suitable for cleaning casing with mild scaling and waxing, and has the advantages of low cost and convenient replacement of rubber sleeves.
2. Blade-type casing scraper: Equipped with high-strength alloy blades, the blades are high in hardness and sharp. For the hard attachments such as cement ring and hard scale on the inner wall of the casing, they are broken and scraped off. This type is suitable for casing cleaning operations with severe scaling and high impurity hardness, but care should be taken to control the scraping force when using it to avoid damaging the inner wall of the casing.
3. Combined casing scraper: It combines the advantages of the rubber cartridge type and the blade type, with the rubber cartridge installed on the upper part and the blade installed on the lower part. In actual operations, the rubber cartridge is first used to scrape off the soft impurities on the inner wall of the casing, and then the hard scaling is cut and cleaned by the blade, achieving comprehensive removal of different types of impurities, which is suitable for casing cleaning in various complex situations.

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Core Functions

1. Efficient cleaning

o Through the reciprocating motion of the scraper plate or spiral blade, the stubborn attachments on the inner wall of the casing are thoroughly scraped off, including cement rings, salt crystals, perforation burrs, and iron oxide produced by casing corrosion.

o Prevent impurities from clogging the tool channel, reduce the risk of downhole operations, and improve the success rate of completion.

2. Protecting the formation and tools

o Reduce the risk of impurities polluting the formation and extend the life of the oil well.

o Provide a clean joint surface for tools such as packers and drill bits to ensure sealing and stability.

3. Diverse model adaptation

o The casing scraper has a wide range of specifications to adapt to casings of different sizes. Common specifications range from 4 1/2" to 20" and other sizes. At the same time, according to different casing materials and operating requirements, the product also has a variety of options in blade material, rubber tube hardness, etc. to meet the diverse needs of oilfield operations.

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Main Technical Parameters

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Product Advantages

• High durability: The scraper adopts high hardness material and spiral blade design, and is heat treated to extend service life.
• Flexible operation: The spring or rubber sleeve structure makes the blade retractable, automatically shrinks when going down the well, and elastically fits the inner wall during operation to adapt to complex well conditions.
• Safe and reliable: API standard threaded interface, compatible with drilling tool connection; excellent tensile and torsion resistance, ensuring the stability of downhole operations.

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Applicable Scenarios

The Casing Scraper produced and sold by our company Huichi Petro is widely used in offshore and onshore oil drilling, geological exploration and other fields, especially in operations that require the removal of impurities on the inner wall of the casing, ensuring the smooth lowering of drilling tools and the engagement of the packer. Including:

• Pre-completion pretreatment: remove casing residues to ensure the smooth lowering of the packer and test tools.
• Repair operation: deal with the rusted and deformed sections of the casing to restore the patency of the wellbore.
• Multi-stage construction: can be used in combination with tail pipes, drill bits and other tools to improve operation efficiency.

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Maintenance And Construction Suggestions

• Before operation, it is necessary to check the matching of the scraper outer diameter and casing to ensure that the blade can be retracted normally.
• Connect the casing scraper to the drilling tool, control the lowering speed (5m/min) during scraping, and circulate and flush and scrape repeatedly if encountering resistance.
• During the scraping process, pay attention to controlling the lowering speed and force to avoid damage to the casing.
• Clean and repair the blade in time after use, apply anti-rust oil and store it dry.

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Product display:

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Product package:

Product packaging: iron box or iron frame, wooden pallet, wooden box, bulk or customized according to customer requirements.

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Product detection:

100% inspection will be carried out before shipment, and video image data and inspection reports will be provided.

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Accepted delivery terms:

FOB, CFR, CIF, EXW, FAS, CIP, FCA, CPT, DEQ, DDP, DDU, Express Delivery, DAF, DES.

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About HuiChi (HC) petro:

Shandong Huichi Industry & Trade is a professional supplier of drilling equipment for the oil and gas industry. We are committed to providing the best products and services to customers around the world.

We HuiChi (HC) Petro always regard our customers as our partners and aim to achieve long-term cooperation value. Our Huichi products cover different fields such as oil fields, water wells, HDD, etc.

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Why choose HuiChi (HC) petro?

One-stop drilling equipment supply;

Employee engineers have more than 10 years of experience in supplying drilling equipment;

More than 10 people engaged in export business;

More than 40 partner countries and regions;

More than 200 customers having close cooperative relationships;

More than 250+ partner factories as suppliers.

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Focus on well drilling equipment , we have been working hard and hope to become your most professional oil & gas equipment supplier and the best partner!

Sales Manager: Cherry Chi

Email: cherry@huichipetro.com

Mob/WhatsApp/We chat: +86 15553820372

  We are located in Dongying City, a city established because it owns China's second largest oil field "Shengli Oilfield". It is also the largest petroleum equipment manufacturing center in China. We Huichi have been sparing no effort to provide customers with the best products and services. All of our products come from advanced production lines, are designed and manufactured in accordance with API, ISO, GOST and other certifications, and undergo strict factory testing. 

    Our company's main products include: agricultural transportation tractors; crown block , traveling blocks, hooks, swivel, draw works, rotary turntables, wire line spooler, mud pumps and other oil drilling equipment; vibrating screens, sand pumps, centrifuges, shear Pump, desanders, desilters, vacuum degassers, mixers, mud guns, tank bottom valves, ignition devices; camping rooms, gas source rooms, dog house and wellsite duty house at wellsite.mud tanks, clean water tanks, diesel tanks and various round and square tanks; pumping units, pumps, pumping rods, oil pipes and other oil extraction equipment.