API Robust Drill Pipe For Continuous Drilling In Oil And Gas Extraction

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Product overview:

‌The drill pipe produced and sold by our company Huichi Petro is an indispensable key equipment in oil drilling operations. It is used to connect the drill collar with the square drill pipe or top drive, transmit rotational power and drilling fluid (mud), drive the drill bit to break the formation, and withstand various complex stresses during the drilling process to achieve continuous drilling of the wellbore. Its high strength, wear resistance and corrosion resistance enable it to adapt to the drilling needs of land, sea and complex formations. At the same time, through the channel inside the drill pipe, the drilling fluid with multiple functions is transported to the bottom of the well, which plays the role of cooling the drill bit, carrying cuttings, balancing the formation pressure, etc. It is an important tool for power transmission and wellbore formation in drilling operations.

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Working principle:

During drilling operations, the ground power equipment (such as the rotary table and top drive) drives the drill pipe column to rotate through the square drill pipe, and the drill pipe transmits this rotational torque to the drill bit, causing the drill bit to rotate at high speed, thereby breaking the rock. At the same time, the mud pump pumps the drilling fluid to the bottom of the well through the channel inside the drill pipe. The drilling fluid is ejected from the nozzle of the drill bit to cool and lubricate the drill bit, and the broken rock cuttings of the drill bit are carried to the ground. After being processed by the solid control equipment, they are recycled. During the drilling process, as the depth of the well increases, new drill pipes need to be continuously connected to extend the length of the drill pipe column to meet the requirements of the drilling depth.

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Core structure and features:

• High-strength pipe body design

Made of high-quality alloy steel, heat-treated and surface-hardened to ensure high tensile, torsional and compressive strength. Drill pipes can be divided into various types according to material and steel grade, such as E75, 95G105, S135, V150, etc., to meet the needs of different drilling operations.

The pipe body has uniform wall thickness and smooth inner wall, which reduces the flow resistance of drilling fluid and improves circulation efficiency.

• Precision threaded connection

Both ends are equipped with API standard threads (such as NC50, 5-1/2" FH, etc.), which have good interchangeability and connection reliability, ensure fast and reliable connection, and support high torque transmission. It can be combined into drill strings of different lengths according to different drilling needs.

Hard Banding protection joints can be optionally equipped to extend service life and reduce maintenance costs.

• Inner coating technology

The inner wall is coated with epoxy resin or non-metallic coating to effectively prevent drilling fluid corrosion, reduce scaling, and extend the service life of the drill pipe.

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Key performance advantages:

• Efficient power transmission: Optimized pipe body design and material ratio, torque bearing capacity of 50,000-100,000 lbf·ft, meeting the needs of deep well hard formation drilling.
• Super wear and corrosion resistance: Inner wall coating and outer wall wear band technology can resist drilling fluid abrasion and H₂S/CO₂ corrosive environment, and increase service life by 30%.
• Safe and reliable: Passed API 5DP/ISO 11961 certification, full process non-destructive testing (UT/MT), to ensure defect-free delivery.

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Product specifications:

The drill pipes produced and sold by our company Huichi petro have a variety of specifications and models, mainly divided according to outer diameter, wall thickness and length. Drill pipes of different specifications and models are suitable for different drilling depths, formation conditions and drilling processes. Users can choose according to actual drilling needs.

• Diameter range: The diameter range of drill pipes ranges from 2 inches to 6 inches, and the specific size depends on the wellbore size and drilling rig model.
• Wall thickness: It varies according to different strength grades and usage requirements, generally between 6 mm and 12 mm. mm.
• Length selection: The length of the drill pipe can be customized according to actual needs. Common length levels include 18-22 feet, 27-30 feet and 38-45 feet, etc.
• Material and steel grade: Drill pipe can be divided into many types according to material and steel grade, such as E75, 95G105, S135, V150, etc., to meet the needs of different drilling operations.

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Application scenario:

Our company Huichi The drill pipes produced and sold by petro are widely used in drilling operations in various onshore and offshore oil fields. Drill pipes are required for different types of wells, including conventional vertical wells, directional wells, horizontal wells, and extended reach wells.

• Conventional onshore drilling platforms;
• Deepwater offshore drilling vessels;
• Ultra-deep wells with high pressure and high temperature (HPHT);
• Directional operations for horizontal wells/extended reach wells;
• Oil and gas drilling;
• Geothermal development;
• Other fields: used in water well drilling, pile foundation construction, mining, and other fields.

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Service and support:

• Fast delivery: Sufficient inventory of conventional models, supporting 72-hour delivery of urgent orders.
• Customized solutions: Provide material upgrades and size customization according to well depth and formation conditions.
• Global warranty: Provide 12-month quality assurance, and professional technical teams respond 24 hours a day.

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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