BOMCO F-1600 with Amercan Block 7500 PSI Mud Pump

The Bomco F-1600 mud pump is a triplex single-acting piston pump designed and manufactured according to API 7K standards, with a rated input power of up to 1600HP (1193 kW). Its robust design, reliable performance, and convenient maintainability make it a preferred equipment for global drilling contractors in various onshore and offshore drilling operations. This pump features a horizontal structure, ensuring stable operation, high efficiency, and long service life, widely used in medium-deep, deep, and even ultra-deep well drilling operations.

The F-1600 mud pump is meticulously designed, with its power end and fluid end both utilizing high-quality materials and advanced manufacturing processes, ensuring reliable operation under extreme conditions. Its longer stroke length (typically 12 inches/305 mm) and optimized stroke speed (rated 120 SPM) help improve the pump's suction performance at lower speeds and significantly extend the service life of fluid end wear parts.

The power end of the Bomco F-1600 mud pump is also robustly designed, providing continuous and stable power input to the fluid end.

Frame Structure:

The frame typically utilizes high-strength steel plate welding, followed by stress-relief heat treatment, which provides the frame with extremely high strength, rigidity, and lightweight characteristics. In some designs, the bearing seats for the crankshaft and pinion shaft may use cast steel parts to provide better support and precision.

Drive System:

Employs the classic Herringbone Gear transmission, which ensures smooth transmission, high efficiency, low noise, high load capacity, and long service life. Gear materials are typically forged alloy steel, with gear teeth undergoing precision machining and heat treatment.

Crankshaft and Bearing Configuration:

Crankshaft: Typically made of cast alloy steel or forged alloy steel, such as 35CrMo, 40CrMnMo, or improved 4340 alloy steel.

Crankshaft Main Bearings: Usually double-row self-aligning roller bearings, capable of withstanding large radial loads and possessing some self-aligning capability to accommodate minor deformations and misalignments of the crankshaft during operation.

Pinion Shaft Bearings: Typically cylindrical roller bearings, offering high radial load capacity.

Connecting Rod Bearings: The big end (connecting to the crankshaft eccentric pin) usually uses single-row cylindrical roller bearings; the small end (connecting to the crosshead pin) usually uses double-row long cylindrical roller bearings.

Lubrication System:

Adopts a combination of forced lubrication and splash lubrication, ensuring all critical moving parts in the power end receive sufficient lubrication and cooling.

Typically, it comes standard or optionally with a gear oil pump, filter, oil pressure gauge, and oil cooler to maintain the cleanliness and appropriate temperature of the lubricating oil, extending component life. The F-1600HL power end is designed with an oil sump to further enhance splash lubrication effectiveness.

Crosshead & Guides:

Crosshead Material: Typically ductile iron or ASTM A48-83 Meehanite cast iron, offering good wear resistance and long service life.

Crosshead Guide Material: The guides are also typically Meehanite cast iron, or inlaid with manganese bronze wear plates or tin bronze components to reduce friction and extend service life. The guides are usually designed to be replaceable for convenient maintenance.

After being equipped with the American Block 7500 PSI fluid end, the Bomco F-1600 can provide a wide range of pressure and displacement combinations at different liner sizes and stroke speeds to meet the needs of various complex drilling conditions. The following performance data is calculated based on 100% volumetric efficiency and 90% mechanical efficiency. Please refer to the detailed performance curve diagram provided with the pump for specific values.

Bomco F-1600 / American Block 7500 PSI Fluid End Performance Parameters Table (Example)

Typical Data for F-1600HL 7500 PSI:

Ensuring Long-Lasting and Efficient Operation

To ensure that the Bomco F-1600 mud pump equipped with the American Block 7500 PSI fluid end can operate fault-free for extended periods and maintain optimal performance, we offer a full range of high-quality OEM or equivalent standard wear parts and accessories. These components are made from premium materials and undergo precision manufacturing processes, specifically designed to withstand harsh conditions of high pressure and high abrasion.

5.1 Fluid End Key Wear Parts: Built for Demanding Conditions

Liners:

High-Chrome Bimetallic Liners: The outer shell is made of high-strength forged steel (e.g., 45# steel), while the inner sleeve is made of high-chrome cast iron (with chromium content up to 26%-28%) formed by centrifugal casting. The inner bore is precision-honed, and the hardness can reach HRC 60-67 (or HRC≥61-64), offering excellent wear and corrosion resistance, with a service life far exceeding ordinary liners.

Zirconia Ceramic Liners: As a more premium option, zirconia ceramic liners feature extremely high hardness (HV 1100-1200, approximately equivalent to HRC 92-94), excellent wear resistance, corrosion resistance, and a lower friction coefficient. They significantly extend the service life of both the piston and the liner itself, especially suitable for drilling fluids with high sand content and high abrasiveness, and can operate reliably at pressures up to 7500 PSI.

Pistons:

Type: Generally use integrally vulcanized bonded polyurethane pistons or special rubber pistons. The dual-hardness polyurethane design provides excellent sealing performance and wear resistance, suitable for oil-based muds and high-pressure conditions. Some designs incorporate fabric-reinforced backing to enhance anti-extrusion capability.

Piston Core Material: Made of forged alloy steel (e.g., 42CrMo or 45# steel) and heat-treated to ensure sufficient strength and fatigue resistance under high pressure.

Piston Rods/Pony Rods/Extension Rods:

Material: Made from high-strength alloy steel, such as SAE 4140, 42CrMo, 35CrMo.

Manufacturing Process: Employ forging, tempering, and other heat treatments to ensure excellent comprehensive mechanical properties; the rod body undergoes precision grinding.

Surface Treatment: The surface is hard chrome plated, or treated with phosphating, galvanizing, or other processes to improve wear resistance, corrosion resistance, and surface finish, extending the life of seals.

Valve Assembly - 7500 PSI Spare Parts:

API Standard: Typically API #7 (standard configuration for F-1600HL 7500 PSI).

Valve Body/Valve Seat Material: Forged alloy steel, such as AISI 8620 (20CrNiMo), 20CrMnTi, 20CrMnMo.

Manufacturing Process: Valve body and seat surfaces undergo carburizing and quenching treatment, with hardness reaching HRC≥60, and are precision-ground to ensure the accuracy and durability of the sealing surfaces.

Valve Insert Material: High-performance polyurethane or nitrile rubber (NBR), hydrogenated nitrile rubber (HNBR), adapted to different mud systems and temperature requirements.

Seals and Gaskets:

Common Materials: High-quality nitrile rubber (NBR), hydrogenated nitrile rubber (HNBR), polyurethane (PU), etc., are selected based on the application area and media characteristics to ensure reliable sealing in dynamic and static sealing locations.

Power End Key Components

We also provide power end spare parts that meet OEM quality standards, including:

Crankshaft: Made of high-quality alloy steel, forged or cast, and subjected to heat treatment and precision machining.

Connecting Rods: High-strength alloy steel forgings.

Crossheads: High wear-resistant cast iron materials.

Bearings: High-quality roller bearings from internationally renowned brands.

Gears: Precision-machined herringbone gears, ensuring smooth transmission of large torque.

Important Auxiliary Equipment

Pulsation Dampener:

For 7500 PSI high-pressure systems, the use of a KB-75 type or equivalent bladder-type pulsation dampener is recommended. Its design effectively absorbs pressure pulsations at the pump discharge, protecting the manifold system and downstream equipment, while also improving the smoothness of the drilling fluid flow and increasing the accuracy of measuring instruments. The dampener housing is typically made of forged steel, and the bladder material possesses good oil and pressure resistance.

Safety Relief Valve:

Equipped with a JA-3 type shear pin safety valve or a resettable safety valve, whose set pressure should match the system's maximum working pressure (e.g., 7500 PSI). It is used to automatically relieve pressure when the pipeline is blocked or pressure rises abnormally, protecting the pump body and personnel safety.

Liner Coolant/Spray System:

Standardly equipped with an independent electric or belt-driven spray pump, water tank, and piping to continuously cool and lubricate the liners and pistons, effectively removing heat generated by friction and extending the service life of liners and pistons.

(Optional) Advanced Quick-Change Systems

To further enhance maintenance efficiency and operational safety, Bomco F-1600 pump models equipped with the American Block 7500 PSI fluid end are compatible with or can be optionally configured with industry-leading quick-change systems, such as:

Mission Blak-JAK™ Series:

Blak-JAK™ Liner Retention System: Achieves quick and uniform locking and release of liners with hydraulic assistance.

Blak-JAK™ Torque Pro / Torque Pro Lite Hammerless Valve Cover Retention System: Uses hydraulic wrench operation for safe and quick disassembly and assembly of valve covers.

Blak-JAK™ HydrA-LIGN™ Self-Aligning Piston Rod System: Improves the alignment between the piston and liner, extending the life of wear parts.

Sur-Lock® Series:

Sur-Lock® Quick Change Valve Cover System.

Sur-Lock® Quick Change Liner Retention System.

These advanced quick-change systems can significantly shorten the replacement time for fluid end wear parts, reduce Non-Productive Time (NPT) due to maintenance, and greatly enhance on-site operational safety by eliminating hammer operations, among other benefits.

The Bomco F-1600 mud pump equipped with the American Block 7500 PSI fluid end, with its powerful drive, excellent high-pressure performance, and robust and durable design, is an ideal choice for addressing current and future complex drilling challenges.

Main Application Areas:

Deep and Ultra-Deep Well Drilling: Capable of providing reliable drilling fluid circulation power for oil and gas wells with drilling depths of 4500 meters to over 8000 meters (the 7500 PSI fluid end can handle even deeper well conditions). The F-1600HL (7500 PSI) model is particularly suitable for offshore deepwater, onshore deep formations, shale gas horizontal wells, and drilling operations in harsh environments like deserts.

High-Pressure Formation Drilling: Effectively overcomes challenges posed by high-pressure formations and meets the circulation demands of high-density drilling fluids.

Extended Reach Drilling (ERD) and Horizontal Well Drilling: In complex wellbores with high friction, the 7500 PSI pumping capacity is crucial for maintaining effective cuttings removal and bottomhole pressure.

Onshore and Offshore Drilling Rigs: Its robust design and reliable performance make it widely applicable to various onshore fixed drilling rigs, truck-mounted drilling rigs, and offshore jack-up and semi-submersible drilling platforms.

Core Value for Customers:

Excellent Reliability and Longer Component Life: Thanks to high-quality materials, precision manufacturing, and optimized design for high-pressure conditions (especially the 7500 PSI fluid end), the pump's overall reliability and the service life of key components are significantly enhanced.

Reduced Non-Productive Time (NPT): Longer Mean Time Between Failures (MTBF) and shorter maintenance times (especially with optional quick-change systems) directly translate into increased drilling operation efficiency and reduced NPT.

Enhanced Drilling Capacity: Powerful pressure and displacement output capabilities enable drilling contractors to undertake deeper, more complex, and more challenging drilling projects, expanding their business scope.

Compliance with Highest Industry Standards, Ensuring Operational Safety: Strictly designed and manufactured according to industry standards like API 7K, and equipped with comprehensive safety protection devices, ensuring safe and compliant drilling operations.

Convenient Maintenance and Parts Interchangeability: Modular design and many API-compliant universal spare parts simplify maintenance procedures, reducing spare parts inventory costs and procurement difficulties.

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