DL Safe-Set Hydraulic Torque Wrench

The torque applied by hammering is instantaneous, huge and completely uncontrollable. This imprecise force causes long-term, cumulative damage to the equipment. Operators cannot accurately determine whether the applied torque is appropriate, resulting in two common destructive consequences:

Insufficient tightening torque: This results in inadequate valve cover sealing. Under high-pressure conditions (up to 7,500 psi), high-pressure mud leaks through gaps, causing the so-called "plug breathing" phenomenon. Persistent leakage rapidly erodes the mating surfaces between the valve cover and hydraulic cylinder module, ultimately leading to the scrapping of expensive hydraulic cylinder modules.

Excessive clamping torque: Excessive impact force will damage the threads of the valve cover and hydraulic cylinder module, resulting in stress concentration, accelerating metal fatigue, and greatly shortening the service life of these key pressure-bearing components.

Core commitments

The Black-Jak TORQUE PRO system delivers a clear and compelling value proposition: Through advanced engineering design, it ensures safer, faster, and more reliable valve cover maintenance for hydraulic systems in mud pumps than any traditional method or competing solutions. This system promises to free drillers from dangerous, labor-intensive hammer operations, enabling maintenance tasks to be completed with elegance, efficiency, and control. It transforms potential risk points into predictable, manageable standardized procedures.

system survey

The core function of the Blak-Jak TORQUE PRO system is to drive a unique valve cover locking assembly using a specially designed hydraulic wrench. The operation is remarkably straightforward: The hydraulic wrench applies precise torque to the locking assembly, requiring operators to rotate the locking ring by only a quarter turn to fully secure or release the valve cover. The system consists of four precision components: a valve cover lug adapter assembly, a lug ring assembly, the TORQUE PRO dedicated hydraulic wrench, and a positioning stop block. These elements collectively form a complete and efficient closed-loop operational system.

The core innovation of this design lies in its complete overhaul of traditional maintenance physics. While conventional methods rely on uncontrollable impact forces generated by heavy hammers, the TORQUE PRO system harnesses precisely controlled torque from hydraulic systems. This fundamental shift from impact to torque forms the foundation for all subsequent advantages-- safety, speed, and reliability--. By replacing brute force with modern engineering wisdom, it delivers maintenance technologies that match 21st-century drilling platforms.

Value pillar 1: unmatched security -- protects your most valuable assets

Safety is the primary principle of the Blak-Jak TORQUE PRO design. By completely eliminating the hammer and "cheating tube", the system fundamentally eliminates all kinds of safety accidents caused by violent hammering during valve cover maintenance. This means:

Eliminate the risk of impact injury: directly eliminate the damage caused by hammer head loss, striking error, metal debris and other reasons to people's crushing injury, fracture or even more serious injury.

Reduce muscle strain: Operators no longer have to endure a huge reaction force in an awkward position, greatly reducing muscle strains and chronic strain caused by excessive force.

Improved working conditions: A quiet, smooth maintenance process replaces noisy and vibrating hammering operations, improving the overall working environment quality of the rig.

When combined with the occupational injury statistics discussed in Chapter 1, the value of Blak-Jak TORQUE PRO becomes evident. This system is not merely a tool, but an active risk management and injury prevention (IAP) framework. For drilling companies that prioritize HSE (Health, Safety, and Environment) as core values, investing in TORQUE PRO represents the most direct and effective investment in safeguarding employees' lives.

Value pillar 2: Disruptive speed -- converts downtime into drilling time

In a race against the clock, time is money. The Blak-Jak TORQUE PRO system takes valve cover maintenance to the extreme through its innovative design.

Quantitative speed advantage: The system achieves locking or release through a quarter-turn rotation of the locking ring, completing the entire process in an ultra-short timeframe. Industry benchmarks for advanced systems demonstrate that complete valve stem and seat replacement operations can be completed within 90 seconds. TORQUE PRO's design is engineered to meet or exceed this industry-leading standard.

In sharp contrast to traditional methods, TORQUE PRO's single-person, fast-paced operation mode offers exponential efficiency gains over the long process of finding tools, collaborating with multiple people, and repeatedly tapping.

Direct NPT Reduction: This time-saving translates directly into a significant reduction in non-productive time (NPT). Each shortened maintenance period enables the rig to resume drilling operations more efficiently, thereby increasing daily footage and accelerating well construction cycles. These improvements deliver substantial cost savings and operational efficiency gains for the project.

Value pillar 3: engineering reliability -- extends the life of key components

One of the core advantages of the Blak-Jak TORQUE PRO system is that it replaces uncontrollable human factors with controlled engineering precision, which greatly improves the reliability of equipment operation.

The importance of precise torque: A hydraulic wrench ensures that each fastening applies constant, precise, and repeatable torque. This means the valve cover seal is always working at its best compression, ensuring an effective seal without premature damage from over-compression.

Prevent common failures: accurate torque control eliminates leakage, "valve cover breathing" and high pressure erosion caused by insufficient torque, as well as thread damage and component stress overload caused by excessive torque.

Extended asset life cycle: By eliminating destructive impact forces and improper pre-tightening forces, the TORQUE PRO system can significantly extend the service life of valve covers, seals and even entire hydraulic end modules, reducing the frequency of spare parts consumption and major maintenance, thereby reducing lifetime operating costs.

Core working principle: Hydraulic drive-mechanical lock (Hydraulic-Over-Mechanical)

The core design concept of the Blak-Jak TORQUE PRO system is "hydraulic drive-mechanical lock". This principle cleverly combines the advantages of both hydraulic and mechanical, achieving a perfect unity of operational precision and operational reliability.

Hydraulic Drive Phase: When tightening or loosening the valve cover, a specialized hydraulic wrench is connected to the system. The hydraulic system delivers smooth, powerful, and highly precise torque to rotate the locking ring by a quarter turn. Operators can precisely control the final locking torque through hydraulic pressure adjustment, ensuring each operation meets design specifications.

Mechanical Locking Phase: Once the locking ring reaches its designated position, the hydraulic wrench is removed. At this stage, the valve cover's secure closure relies entirely on mechanical components. Throughout the pump's operation, no hydraulic parts or residual pressure remain in the pump body. This critical design ensures maximum reliability and safety of the locking system under high-frequency, high-intensity vibration conditions in mud pumps, effectively preventing potential leakage or pressure loss risks that may occur in hydraulic systems subjected to prolonged vibration.

Table 1: Overview of technical specifications

In order to facilitate the rapid evaluation of technicians, the following table summarizes the key technical parameters of theMISSION Blak-Jak TORQUE PRO system:

This table distills key engineering and performance data into a concise presentation that reinforces the detailed discussion above, enabling engineers or purchasing managers to quickly match and validate their technical specifications against their own needs.

In drilling operations, the installation complexity of new technologies and equipment, along with compatibility with existing systems, are critical factors that decision-makers must consider. NOV understands this well. When designing the Blak-Jak TORQUE PRO system, seamless integration and broad compatibility were established as core design principles, aiming to provide drilling contractors with a standardized upgrade solution that can be easily deployed across entire fleets.

"Plug and play" design concept

One of the most prominent advantages of the Blak-Jak TORQUE PRO system is its "plug and play" feature. The system can be installed without any modifications to the existing hydraulic end modules.

Extensive pump type compatibility

To address the reality that drilling contractors typically have a diverse fleet of mud pumps from different manufacturers, the Blak-Jak TORQUE PRO system is designed for extreme compatibility. The system is compatible with the vast majority of mainstream mud pump models on the market, including but not limited to:

National

Oilwell

Continental Emsco

Lewco

Hong Hua

Gem (Bomco)

Gardner Denver

Along with pump models from numerous manufacturers, this extensive compatibility demonstrates the system's design versatility and robust market adaptability. It provides drilling contractors with a unique opportunity to implement unified, advanced valve cover maintenance standard procedures across their entire fleet.

Compatible with existing components

To maximize protection of customers 'existing investments, the Blak-Jak TORQUE PRO system is designed for compatibility with current valve cover components. It works seamlessly with standard OEM valve covers and perfectly integrates with NOV's proprietary "L" -shaped mission valve plugs. This means customers can upgrade to the TORQUE PRO system without replacing their existing stock of valve covers, significantly reducing initial upgrade costs and simplifying the decision-making process.

Table 2: Performance comparison analysis of valve cover quick change system

The table below visually shows the differences in key performance indicators between the different solutions, highlighting NOV Blak-Jak TORQUE PRO's superior positioning.

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