DL Safe-Set Rig-Repack Washpipe Cartridge 7500 Psi

Built for high pressure: reinforced materials and manufacturing processes

To maintain absolute reliability under extreme working pressures of 7,500 PSI, the system has been comprehensively upgraded in terms of materials and processes for key components.

High Strength Alloy Washpipe (HSAL): The core --washpipe of the system, clearly made of high strength forged alloy steel with special heat treatment, designed to withstand 7500 PSI cyclic working pressure.

Advanced Surface Hardening Technology: To withstand the erosion and wear from high-pressure, high-speed drilling fluids, advanced surface hardening techniques such as tungsten carbide (WC) coatings can be applied to drill pipe surfaces. The WC coating is renowned for its exceptional hardness (up to 68-72 HRc) and wear resistance, forming a robust protective layer that significantly extends the service life of drill pipes under harsh working conditions.

Revolutionary quick-change design: Ground maintenance, 15 minutes to replace

The Blak-Jak 7500 PSI system continues and optimizes its acclaimed all-in-one "self-contained unit" design.

Ground preparation, safety and efficiency: The design completely transfers the complex work of seal replacement and assembly maintenance from the dangerous top drive high altitude to the safe and convenient drilling platform ground.

Rapid unit replacement eliminates NPT: Drilling crews can pre-prepare a backup assembly on the surface. When online units require replacement, field personnel only need to perform a simple "core change" operation, which can be completed within 15 minutes. This reduces downtime caused by flushing tube maintenance by over 90%.

Extreme safety and user-friendly operation

Complete farewell to hammering: The installation and disassembly process is carried out with the matching special "spanner bar", which completely eliminates the huge safety risks caused by hammering operations.

25% lightweight design: the overall weight of the system is 25% lighter than the traditional OEM design and other competing products, which significantly reduces the operation difficulty of high-altitude hoisting and positioning, and improves personnel mobility and safety.

Pure mechanical lock: the assembly, disassembly and operation of the assembly do not need to rely on any external power source such as hydraulic or pneumatic, simple and reliable design, easy to maintain.

Excellent sealing technology and compatibility

High-performance sealing options: The system not only supports standard OEM 7500 PSI flushing pipes and seals, but also provides "optional high-temperature resistant packing" to handle extreme high-temperature and high-pressure (HTHP) environments such as deep wells and geothermal wells. These high-performance seals are typically made from advanced elastomers like HNBR (Hydrogenated Nitrile Butadiene Rubber) or Viton® (FKM/Fluororubber), ensuring sealing integrity across various chemical and temperature conditions.

Extensive equipment compatibility: The system is seamlessly compatible with most mainstream top drive brands and models on the market, including Varco TDS series, Canrig series and a variety of National Oilwell models.

Creating profit: Minimizing non-production time (NPT)

The economic benefits of reducing flushing pipe replacement time from several hours to under 15 minutes are staggering. Take an offshore drilling platform with a daily rate of $400,000 as an example: the hourly downtime cost is approximately $16,700. Through the Blak-Jak system, a single replacement operation can save about 2.75 hours, directly cutting costs by over $45,000.

Protect life: build an intrinsically safe working environment

The Blak-Jak system fundamentally improves operational safety through two revolutionary designs:

The elimination of hammering operations eliminates the high frequency risk of "being struck by objects".

By moving maintenance work to the ground, the exposure time of personnel in high altitude is greatly reduced, and the risk of falling from heights and falling objects is significantly reduced.

Optimize costs: Reduce total cost of ownership (TCO) over the life cycle

Extended service life: Precision installation and quality materials ensure that seals and blow tubes operate under optimal working conditions, effectively extending service life.

Reduce labor costs: Simplified and fast replacement process reduces the number of personnel and hours required for maintenance.

Simplified inventory management: The "standby unit" mode optimizes spare parts inventory, reducing capital occupancy and management complexity.

The 25% weight reduction is the core advantage of the Blak-Jak system in terms of safety and operational convenience. As a top-tier OEM leader in drive systems, NOV offers unparalleled integrated solutions and a global service network that third-party component suppliers can not match, providing customers with exceptional compatibility assurance and after-sales support.

Target application scenarios

The Blak-Jak 7500 PSI system is tailored for the following most demanding drilling operations:

Ultra-deep and deep oil and gas exploration

High pressure shale gas/tight oil fracturing

Managed Pressure Drilling (MPD)

High temperature and high pressure (HTHP) well

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