Wellserv Petroleum Equipment Co., Ltd | High-Quality Oilfield Equipment Supplier

About Wellserv PEC

Wellserv (Shandong) Petroleum Equipment Co., Ltd (abbreviated as Wellserv PEC) is an integrated company specializing in research, tailored machinery, and distribution of high-quality standard oilfield equipment in China.

Since our foundation, our mission has been clear: to bring the best quality and most fit-for-purpose made-in-China energy equipment to customers worldwide — with higher standards, unbeatable delivery, and competitive prices that create optimum benefit for our clients.

We maintain strong alliances with over 60 manufacturers across China, covering all sectors of upstream tools and equipment. Our team consists of professionals with over 20 years of industry experience, ensuring deep product knowledge and exceptional service.

60+

Manufacturing Partners

20+

Years Industry Experience

Global

Client Reach

Our Products

We supply a wide range of high-quality oilfield equipment, from drilling tools to fracturing units and complete rigs. All products meet international standards and are sourced from trusted Chinese manufacturers.

Secondhand Swamp Rig

Fully operational swamp rig, previously used in wetland drilling operations. Ideal for cost-effective deployment in challenging terrains.

Mobile & Terrain-Adaptive
Complete Drilling Package
Inspected & Certified

PGTLR-2250 Trailer-Mounted Fracturing Unit

High-pressure fracturing system mounted on a trailer for mobility. Designed for efficient shale stimulation operations.

2250 HP Capacity
Trailer-Mounted for Mobility
API Compliant Components

Used & New Drill Tools

Comprehensive inventory of drill collars, stabilizers, bits, and subs. Both new and refurbished options available.

API 7-1 / ISO 10424 Certified
NDT Inspected
Immediate Shipment Options

Triplex Mud Pumps

Heavy-duty reciprocating pumps for drilling fluid circulation. Available in various models and configurations.

1200-2200 HP Range
Alloy Steel Liners
API 7K Certified

Top Drive Systems

Advanced top drives for vertical and directional drilling. Designed for reliability and high torque performance.

500-1000 kN Hook Load
Variable Frequency Drive
API 8C Compliant

Blowout Preventers (BOP)

Ram and annular BOPs for well control. Available in various pressure ratings and configurations.

3K, 5K, 10K, 15K PSI Ratings
API 16A Certified
Full Reconditioning Service

Positive Displacement Motors (PDM)

High-torque mud motors for directional drilling applications. Optimized for extended reach and precision.

4-7/8” to 9-5/8” OD
High Temperature Options
OEM & Aftermarket Models

Oil Country Tubular Goods (OCTG)

API-certified casing, tubing, and drill pipe. Available in carbon steel and corrosion-resistant alloys.

Grades: J55, K55, N80, P110
Thread Types: API, Premium
Mill Test Certificates Provided

Why Choose Wellserv PEC?

We combine deep industry expertise, a vast manufacturing network, and customer-first values to deliver unmatched value in oilfield equipment supply.

Fast Delivery

Leveraging China's manufacturing infrastructure and logistics networks for rapid global shipment.

Competitive Pricing

Direct access to manufacturers ensures cost efficiency without compromising quality.

Quality Assurance

All products meet API, ISO, and other international standards with full documentation.

Global Support

Experienced team ready to assist with technical queries, logistics, and after-sales service.

Frequently Asked Questions

Get answers to the most common inquiries about our products and services.

What types of oilfield equipment do you supply?

We supply a comprehensive range including drilling rigs (swamp, trailer-mounted), drill tools (bits, collars, subs), mud pumps, top drives, BOPs, fracturing units, OCTG, and downhole motors. Both new and refurbished equipment available.

Are your products API certified?

Yes, all applicable products are manufactured and tested in accordance with API standards (e.g., API 7-1, API 8C, API 16A, API 5CT). Mill test certificates and inspection reports are available upon request.

How do you ensure product quality?

We work exclusively with reputable manufacturers and conduct strict quality control checks. Used equipment undergoes full reconditioning and NDT inspection. Third-party inspection services (e.g., SGS, Bureau Veritas) can be arranged.

What are your delivery times?

Delivery times vary by product and destination. Stock items can ship within 7–14 days. Custom or large orders typically take 30–60 days. We provide regular updates throughout the process.

Can you provide customized or OEM equipment?

Yes, we offer tailored solutions and OEM manufacturing through our partner factories. Our engineering team can assist with design, specifications, and compliance requirements.

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