What is the recommended WOB for the 8 1/2 inch bit?

The recommended Weight on Bit (WOB) for the 8 1/2 inch bit is 20-100 KN.

Low-Friction PDC Bit for Energy-Saving Oil & Gas Drilling Processes

Name: Low-Friction PDC Bit for Energy-Saving Oil & Gas Drilling Processes
Brand: Wuhan Eastar Tool Company Limited
SKU: 2216957235

Hubei, ChinaWuhan Eastar Tool Company Limited

US$1,299.00-39,999.00

1 Piece

Sample price:US$1299.00/piece.Request sample

Product profile

Customization

Available

Type

Ultra-Deep Well Drilling

Usage

Well Drilling

Model NO.

ES1925DE

Body Material

Steel/ Matrix

Tooth Material

PDC

Application

Ultra-Deep Well Drilling

Others

Manufacture/ Customizable

Transport Package

Iron Box/ Plastic Box/ Wooden Box

Specification

Bit size from 3.5'' to 26''

Trademark

EASTAR

Origin

China

HS Code

8207191000

Production Capacity

12000PCS/Year

Key features

ISO 9001:2015 Quality: Certified ISO 9001:2015 Quality Assurance System for consistent reliability.

C-4 Technology: Features self-dominated intellectual property with independently developed C-4 technology.

Customizable Options: Offers manufacture and customizable options for specific drilling needs.

Ultra-Deep Well Design: Specifically designed for ultra-deep well drilling applications.

Fast Lead Time: Average lead time within 15 workdays for both peak and off-peak seasons.

Multi-Port Export: Exports via Shanghai, Guangzhou, Ningbo, and Tianjin ports.

Comprehensive R&D: Backed by complete R&D equipment and cooperation with research institutes.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceCooperated with Fortune 500Fast Delivery

Wuhan Eastar Tool Company Limited

Hubei, China

Business Type: Manufacturer/FactoryExport Year: 2017-01-01Nearest Port: SHANGHAI, GUANGZHOU, NINGBO, TIANJINAverage Response Time: ≤18hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, Others

AI-Powered supplier vetting

SummaryThe supplier demonstrates documented R&D and customization capabilities, including recent new-product development, ODM services, PRO/E use, five patents, and available design documentation. It holds ISO9001:2015, ISO45001:2018, and ISO14001 certifications and reports four quality inspectors, one production line, stated annual output of 4,000 pieces, and equipment covering machining, welding, finishing, grinding, turning, and sintering. Service lead time is within 15 working days in both peak and off-season periods, with written supplier-management procedures. However, the supplier reports no valid manufacturing contracts with related subcontractors, no inventory, overseas warehouse, overseas showroom, overseas agents or branches, or overseas service countries. It also lacks an environmental impact assessment report, SDK availability, well-known-brand OEM cases, and sufficient evidence of financial credibility.

Supplier typeThe supplier presents itself as an energy technology service provider offering manufacturing, R&D, ODM, and customized design services. Its stated capabilities include production equipment and service access through Shanghai and Guangzhou ports, but no overseas agents, branches, showrooms, or overseas service countries are reported.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications, indicating stated coverage of quality, occupational health and safety, and environmental management systems. However, it also reports no factory environmental impact assessment report, which is a separate environmental documentation gap.

R&D capabilityThe supplier reports new products during the past year, ODM services, broad R&D customization, PRO/E capability, five patents, and design input/output, review, verification, and validation documents available for audit. It does not have an available SDK, but the documented product-development and patent evidence supports innovation capability.

Production capacityThe supplier reports one production line, annual productivity of 4,000 PDC and hybrid bits, four quality inspectors, and a broad equipment base including CNC machining, welding, sintering, grinding, lathes, painting, and sandblasting. Capability controls have weaknesses: no valid manufacturing contract with related subcontractors, no continuous quantity reconciliation, no outsourcing SOP, and no inventory capacity.

Customization capabilityBoth R&D and design-service records explicitly list customization from samples, designs, full customization, minor customization, and flexible customization. The supplier also reports ODM availability and recent new-product development, providing direct evidence of broad customization support.