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7 7/8 Inch PDC Oil Drilling Bit

Name: 7 7/8 Inch PDC Oil Drilling Bit
Brand: Hejian Hengji Bit Manufacture Co., Ltd.
SKU: 737883195

Hebei, ChinaHejian Hengji Bit Manufacture Co., Ltd.

US$199.00-1,999.00

1 Piece

Product profile

Customization

Available

Customized

Length

Taper-length

Model NO.

7 7/8

Type

Center Drill Bit

Material

Alloy Steel, Tungsten Carbide

Usage

Well Drilling

Certification

ISO

Model Number

S/M

Suitable Formation

Soft, Medium Soft, Hard, Medium Hard, Very Hard

IADC

516

Thread

4 1/2reg

Color

Customized

Transport Package

Wooden Case

Specification

according requirement

Trademark

Origin

China

HS Code

8207191

Production Capacity

5000

Key features

High Strength Steel Body: Made of alloy steel with high toughness for enhanced durability.

PDC Composite Cutters: Polycrystalline diamond cutters offer high hardness and wear resistance.

Wide Formation Applicability: Suitable for soft, medium, hard, and abrasive rock formations.

High Drilling Efficiency: Designed for higher ROP and reduced drilling time and cost.

Customizable Color: Color options are available to meet specific customer requirements.

Optimized Blade Design: 3 to 9 blades with main cutting teeth for improved stability.

Multi-Well Type Support: Ideal for vertical, directional, and horizontal well drilling.

ISO & SGS Certified: Manufactured with advanced technology and international standards.

Company profile

Years of Export ExperienceImporters and ExportersHigh Repeat Buyers ChoiceSelf-branded

Hejian Hengji Bit Manufacture Co., Ltd.

Hebei, China

Business Type: Manufacturer/FactoryAverage Response Time: ≤1.93hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, EXW, DDP

AI-Powered supplier vetting

SummaryThe supplier is identified as a factory/combined manufacturing entity in Hejian, China, with five production lines, 50 quality control staff, and ISO 9000/ISO 9001 management-system certifications. It demonstrates broad customization and R&D capabilities, including recent new products and ODM services, and reports OEM service for well-known brands. Quality controls include 100% finished-product inspection, raw-material traceability, complaint-handling procedures, and 10 stated quality assurance/control inspectors in one record, although another record states 50 quality control staff. After-sales offerings include installation, training, repair, maintenance, and debugging, but no overseas warehouses, showrooms, agents/branches, or prior offline trade-show participation are reported. Service procedures and records exist, while corrective/preventive-action procedures are not documented. Financial credibility cannot be determined from the provided information because the financial entries only identify...

Supplier typeThe supplier is described as a combined entity and factory, located in Hejian, Cangzhou, China, with manufacturing identified as the industry of associated companies. This supports classification as a direct manufacturing supplier rather than an offshore company.

CertificationsThe supplier reports holding ISO 9000 and ISO 9001 management-system certifications. These certifications provide explicit evidence of formal quality-management certification.

After-Sales capabilityThe supplier lists installation, training, repair, maintenance, and debugging services, and has a clear customer-complaint procedure with followed records. However, it reports no overseas warehouse, showroom, agent/branch, or overseas-service country, indicating that the documented service scope is not supported by an overseas physical network.

R&D capabilityThe supplier reports new products within the past year, ODM services, 50 years of total R&D engineer experience, and broad design customization. It does not have an available SDK, but the stated R&D and ODM evidence demonstrates product-development capability.

Production capacityThe supplier operates five production lines, reports an average off-season lead time within 15 workdays and peak-season timing within 15 workdays to one month, and identifies a machining center as a combined facility. It also reports 100% finished-product inspection and 10 qualified service-capability suppliers, supporting established production and service operations.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization in both R&D and design-service records. This is direct evidence of a broad customization range.

Client casesThe supplier explicitly reports providing OEM services for well-known brands, which is evidence of experience serving recognized-brand customers. No specific brand names, project details, volumes, or performance outcomes are provided, so the depth of these cases cannot be evaluated.

Product Q&A

Q:What types of rock formations are best suited for this PDC Bit?

Our PDC Bit is designed to perform well in a wide variety of rock formations. It excels in soft to medium-hard rocks such as sandstone, limestone, and shale. However, it can also be used in harder abrasive rocks like granite and quartzite with proper bit selection and operational adjustments. The key is to match the bit's design and cutter properties to the specific rock characteristics for optimal performance.

Q:How do I determine the appropriate PDC Bit for my drilling project?

Several factors need to be considered when choosing a PDC Bit, including the type of rock formation, the drilling application (vertical, horizontal, etc.), the drilling parameters (such as weight on bit and rotational speed), and the desired rate of penetration. Consulting with our technical experts or referring to the bit selection guide provided with the product can help you make an informed decision.

Q:What is the expected lifespan of the PDC Bit?

The lifespan of the PDC Bit depends on various factors, such as the type of rock being drilled, the drilling conditions, and the operating parameters. In general, in softer rock formations with proper operation, the bit can last for a relatively long time. In harder and more abrasive rocks, the lifespan may be shorter. Regular inspection and maintenance can also help extend the bit's life.

Q:Can the bit be customized based on specific needs?

Yes, HJ Bit offers tailored solutions for unique drilling requirements, ensuring the best performance for each project.

Q:What packaging options are available for this product?

The bit is packaged in wood boxes, with fumigation trays available if necessary. Custom packaging can also be provided based on the customer's needs.