NonaDRIL Ultra-Slick Water-Based Drilling Fluid is an innovative drilling fluid system specifically designed to address the challenges of drilling horizontal wells in shale formations. This system integrates advanced lubrication technology, highly efficient shale inhibitors, and unique sealing agents to provide an effective alternative to oil-based drilling fluids amidst increasingly stringent environmental requirements. NonaDRIL not only offers lubrication performance and shale inhibition capabilities comparable to oil-based drilling fluids but also significantly reduces the environmental impact of drilling operations, making it an ideal choice for modern oil and gas exploration and development.

Characteristics

1. Exceptional Lubrication Performance: NonaDRIL employs a unique lubrication mechanism to form a stable and dense lubricating film between the drill string and borehole wall, effectively reducing torque and drag and improving drilling efficiency.

2. Strong Shale Inhibition Capability: The system's high-efficiency inhibitors effectively prevent the dispersion and agglomeration of shale cuttings, reduce the occurrence of mud-making phenomena, stabilize drilling fluid rheology, and resolve wellbore instability issues in shale sections.

3. Excellent Sealing Performance: With a carefully designed formulation of sealing agents, NonaDRIL can form an effective sealing layer in formation pores, reducing pressure transmission and protecting wellbore stability.

4. Environmentally Friendly and  Non-Polluting: The entire system contains no oil components,  with simple management of drill cuttings that can be directly buried,      significantly lowering environmental disposal costs and risks.

5. Superior Comprehensive Performance: Compared to oil-based drilling fluids, NonaDRIL excels in lubrication, inhibition, sealing, and environmental protection, offering outstanding overall performance.

Advantages

1. Increased Drilling Efficiency: Significantly reduces torque and drag, accelerating drilling speed.

2. Reduced Drilling Costs: The environmentally friendly and non-polluting design reduces cuttings disposal costs, and the reusable drilling fluid system further cuts expenses.

3. Enhanced Wellbore Stability: Strong shale inhibition and sealing capabilities help maintain wellbore stability, reducing the occurrence of complex issues.

4. Improved Operational Safety: Reduces risks of bit balling and stuck pipe, enhancing operational safety.

Applications

1. Complex Shale Formation Drilling: In shale gas and oil formations, NonaDRIL's superior lubrication and strong shale inhibition capabilities significantly reduce      friction between drill tools and formations, minimizing risks of bit balling and stuck pipe, thereby improving drilling efficiency. NonaDRIL effectively addresses high downhole friction and difficult borehole cleaning in long horizontal and extended-reach wells, providing strong support for the successful development of complex shale formations.

2. Environmentally Demanding  Areas: As a green, environmentally friendly drilling fluid system, NonaDRIL offers a wide range of applications in regions with high environmental standards due to its oil-free design and simple drill cuttings management.

3. High-Temperature and High-Pressure Environments: In high-temperature and pressure formations, NonaDRIL, with added special high-temperature stabilizers and anti-temperature additives, maintains stable performance to ensure smooth drilling operations.

4. Deep-Sea and Polar Drilling: In extreme environments such as deep-sea and polar regions, drilling operations require strict performance conditions like low-temperature      resistance and salt invasion resistance. NonaDRIL, through a specially formulated design, can withstand these extreme conditions, providing reliable support for deep-sea and polar oil and gas exploration and development.

5. Efficiency Improvement and  Cost Reduction: Wherever there is a need to enhance drilling efficiency and reduce costs, NonaDRIL's unique advantages come into play. By reducing torque, increasing mechanical penetration rates, and lowering fluid handling costs, NonaDRIL delivers significant economic benefits to oil and gas field development.

Case Study

In the Fuling shale gas field, particularly the Jiaoshi Block, challenges such as high collision risk in multi-platform wells, high anti-collapse, anti-leakage, and anti-seize technical requirements, alongside intense environmental pressures, were addressed through attentive geological observation, detailed design, and implementation strategies. Supported by the "National 13th Five-Year Major Project," the field successfully tested the ultra-slick water-based drilling fluid at the Jiaoye 11-14 HF well on September 13, 2020, establishing a 2235-meter record for horizontal shale gas drilling fluid operations. By 2024, this fluid was used in 55 wells, setting multiple records. Its application in the Jiaoye 11-Z2HF well achieved a second-stage drilling cycle of 16.5 days, a mechanical penetration rate of 20.29 meters per hour, and set records for the highest daily footage, longest horizontal segment, and greatest horizontal displacement in domestic shale drilling fluids. Moving forward, exploration into routine use in wells over 6000 meters and testing its potential in replacing oil-based fluids in continental shale oil and gas operations is ongoing.