Cementing Equipment

Technical Specifications

SJ Petro designs and manufactures cementing units with the following key specifications:

Parameter	Specification Range
Maximum Pressure	35 MPa – 100 MPa (5,000 – 14,500 psi)
Maximum Displacement	1,300 – 4,200 L/min
Pump Type	Triplex / Quintuplex Plunger Pumps
Mounting Configurations	Truck-mounted / Skid-mounted / Trailer-mounted
Power Configurations	Single Engine / Single Pump; Twin Engine / Twin Pump
Mixing System	Vortex-injection high-energy mixer with ACM automatic control
Control System	ACM automation / Manual digital display / Wireless data acquisition
Certifications	API, ISO9001, HSE, DNV, IECEx (offshore)
Applications	Cementing, acidizing, pressure testing, well washing, shallow fracturing

Typical Cementing Unit Specifications (Truck-Mounted):

Parameter	Typical Specification
Chassis	North Benz 6×6 or equivalent
Engine	CAT C13 (475 hp) or CAT C15 (540 hp)
Transmission	Allison 4700 OFS
Max. Discharge Pressure	Up to 103.5 MPa (15,000 psi)
Total Mass	~30,000 kg

Applications

SJ Petro's Cementing Equipment is deployed across a broad spectrum of oilfield operations:

• Well Cementing Operations – Self-dispensing of cement slurry, slurry pumping, displacing slurry, and pressure testing for well completion

• Deep & Ultra-Deep Well Cementing – Up to 8,800+ meters depth, overcoming extreme high-temperature, high-pressure, and high-sulphur conditions

• Offshore Platform Cementing – Skid-mounted configurations for deep-water semi-submersible platforms and jack-up rigs

• Acidizing Operations – Pumping acid solutions for well stimulation

• Pressure Testing – High-pressure integrity testing of wellbore and surface equipment

• Well Washing – Cleanout and flushing operations

• Shallow-Well Fracturing – Light fracturing operations in shallow wells

• Desert & Extreme Environment Operations – Specialized equipment for high-temperature, high-cold, desert, swamp, tidal flat, and jungle conditions

Product Types

SJ Petro offers cementing equipment in a comprehensive range of configurations:

By Mounting Configuration:

1. Truck-Mounted Cementing Units – Self-propelled units with North Benz or equivalent chassis, CAT engines, Allison transmissions, and complete mixing and pumping systems.

2. Skid-Mounted Cementing Units – Compact packages for offshore platforms and space-constrained locations. Available in single-pump and twin-pump configurations.

3. Trailer-Mounted Cementing Units – Towable configurations for short-distance moves and operations where truck access is limited.

By Pump Configuration:

4. Single Pump Cementing Units – Light-duty configuration with lower maintenance costs, designed for shallow wells.

5. Twin Pump Cementing Units – High-pressure, high-displacement configuration with twin-engine redundancy for medium to deep well operations.

By Power & Drive:

6. Diesel-Driven Cementing Units – Conventional diesel engine drive with CAT engines and Allison transmissions.

7. Electric-Driven Cementing Units – Motor-driven configuration for clean, quiet operation—ideal for offshore platforms.

By Application Package:

8. Complete Cementing Spreads – Including cementing truck/skid/trailer, water supply truck, dry cement truck, blower, manifold truck, water tank truck, portable cement silo, and accessories.

9. Offshore Cementing Packages – Marine-grade skids with DNV, IECEx, and other international certifications.

10. Desert Cementing Equipment – World-first true desert cementing equipment for extreme high-temperature, sandstorm conditions.

OEM & Customization Solutions

Every well presents unique challenges, and SJ Petro's engineering team delivers tailored solutions through comprehensive OEM and customization capabilities:

• Custom Configuration – Choose truck-mounted, skid-mounted, or trailer-mounted based on your operational requirements and site constraints

• Pump Selection – Select optimal plunger pump configuration for your pressure and displacement requirements

• Power System Integration – Choose diesel or electric drive with your preferred engine/motor specifications

• Control Systems – Integrate ACM automatic mixing control, manual digital display, or wireless data acquisition systems

• Mixing System Design – Customize mixing tank configuration and capacity based on your slurry requirements

• Material Selection – Specify corrosion-resistant materials for aggressive fluid environments

• Certification – Arrange API, DNV, IECEx, or other certifications for offshore or international operations

• Climate Engineering – Customize for desert, high-cold, tropical, or other extreme environments

• Complete Package Design – Design and supply entire cementing spreads including all auxiliary equipment

Why Choose SJ Petro?

World-Leading Cementing Equipment Manufacturer

SJ Petro is the world's most famous manufacturing base for petroleum drilling and production equipment. We rank 2nd on the list of China Top 10 Petroleum Drilling and Production Equipment Manufacturers and are rated AAA by China Petrochemical Industry and Banks.

Pioneer in Offshore Cementing Technology

SJ Petro produced the first skid-mounted offshore cementing equipment in China. Our equipment is the solely China-made cementing package operating on the Deep-water Semisubmersible Drilling Platform (HD-981). Our "5+3” high-power twin-engine twin-pump offshore cementing skids and domestic first deep-water electric-drive cementing skids have been successfully applied on the "HYSY 981,” "Blue Whale 1,” and "Dream” drilling vessels.

Over 30 Years of Cementing Expertise

SJ Petro began developing cementing equipment in the 1980s. With more than 30 years of continuous engineering and manufacturing experience, we have mastered the design and production of series plunger pumps, mixing control systems, and complete cementing units.

Complete In-House Manufacturing

SJ Petro has established seven production lines for drawworks, gear boxes, cylinders, masts, high pressure manifolds, plunger pumps and post treatment, and three assembly lines for drilling rigs, workover rigs, and cementing and fracturing equipment. Annual production capacity includes 120 cementing units, 100 drilling rigs, 100 workover rigs, 80 fracturing equipment, over 700 pumps, and 150,000 high pressure manifolds.

Dedicated Cementing & Fracturing R&D Institute

SJ Petro Technical Center includes a dedicated Research Institute for Cementing and Fracturing Equipment, with 314 persons dedicated to product development and process research. This focused R&D capability ensures continuous innovation and rapid response to evolving industry requirements.

API-Certified Quality

SJ Petro holds API, ISO9001, and HSE management system certifications. Our cementing equipment is manufactured in compliance with API specifications, with marine-grade units available with DNV and IECEx certifications.

Proven Global Track Record

SJ Petro cementing equipment has been exported to Canada, Mexico, Kazakhstan, Turkmenistan, Syria, Cuba, and many other countries. Our equipment is deployed in South America, Western Africa, the Middle East, and across China's major oilfields.

One-Stop Solution Provider

Beyond manufacturing, we offer equipment inspection, testing, and major overhaul services. From initial design to field service and spare parts supply, SJ Petro delivers complete oil and gas exploration and production equipment solutions.

Frequently Asked Questions

Q: What is the maximum pressure and displacement of SJ Petro cementing units?

A: SJ Petro cementing units cover maximum pressures from 35 MPa to 100 MPa (5,000 psi to 14,500 psi) and maximum displacements from 1,300 L/min to 4,200 L/min.

Q: What mounting configurations are available?

A: SJ Petro cementing units are available in truck-mounted, skid-mounted, and trailer-mounted configurations.

Q: What is the difference between single pump and twin pump configurations?

A: Single pump units are light-duty configurations with lower maintenance costs, designed for shallow wells. Twin pump units are high-pressure, high-displacement configurations with twin-engine redundancy for medium to deep well operations.

Q: Can SJ Petro cementing equipment be used offshore?

A: Yes. SJ Petro produced the first skid-mounted offshore cementing equipment in China. Our equipment is the solely China-made cementing package on the Deep-water Semisubmersible Drilling Platform (HD-981) and has been deployed on "HYSY 981,” "Blue Whale 1,” and "Dream” drilling vessels.

Q: What is the ACM automatic mixing control system?

A: The ACM system is SJ Petro's advanced automatic density control and mixing system that ensures slurry density accuracy and consistency. It incorporates automatic density control, job procedure auto control, wireless data acquisition, and MODBUS communication.

Q: What is the deepest well where SJ Petro cementing equipment has been used?

A: SJ Petro cementing equipment recently set a new domestic record for the deepest 196.85mm liner cementing at 8,800.88 meters (approximately 28,885.6 feet) in the Tarim Basin.

Q: Are SJ Petro cementing products API certified?

A: Yes. SJ Petro holds API, ISO9001, and HSE management system certifications. Marine-grade units are available with DNV and IECEx certifications.

Q: Do you offer OEM or customized solutions?

A: Absolutely. We offer comprehensive customization including mounting configuration, pump selection, power system integration, control systems, mixing system design, material selection, certification, and climate engineering.

Q: What is included in a complete cementing equipment package?

A: A complete package includes cementing truck/skid/trailer, water supply truck, dry cement truck (or vertical cement silo), blower, manifold truck, water tank truck (or water tank), portable cement silo, and accessories.

Q: What is the manufacturing capacity for cementing units?

A: SJ Petro can supply 120 cementing units annually, along with 100 drilling rigs, 100 workover rigs, 80 fracturing equipment, over 700 pumps, and 150,000 high pressure manifolds.

Q: Does SJ Petro manufacture cementing equipment for extreme environments?

A: Yes. SJ Petro has developed the world's first true desert cementing equipment and offers equipment suitable for high temperature, high cold, desert, swamp, tidal flat, and jungle conditions.

Q: Do you provide after-sales support and spare parts?

A: Yes. We offer comprehensive after-sales support including spare parts supply, equipment inspection, testing, and major overhaul services.

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