Ann: Commencement of Rafael Shallow 1 Civil Works, page-25

I also asked if success rates could be even higher for shallow prospects.......

Again, from ChatGPT:

Yes, the success rate of using 3D seismic technology can be even more enhanced when exploring shallow prospects. Here's why:

1. Improved Resolution in Shallow Depths

• 3D seismic data provides higher resolution imaging of subsurface structures, which is particularly advantageous for shallow prospects. Since shallow targets are closer to the surface, the seismic signals return faster, allowing for more detailed and accurate images of the subsurface.
• This enhanced resolution helps in precisely identifying geological features such as faults, traps, and reservoirs, which might be missed or inaccurately interpreted with lower-resolution methods like 2D seismic surveys.

2. Cost-Effective Exploration

• Shallow drilling is generally less expensive than deep drilling. When 3D seismic surveys accurately identify shallow prospects, it leads to more efficient exploration and reduces the financial risk associated with drilling. The combination of lower drilling costs and higher success rates makes shallow prospects particularly attractive for exploration companies.

3. Case Studies Indicating Higher Success Rates

• Several case studies in different regions have shown that shallow prospects explored using 3D seismic data tend to have higher success rates compared to deeper targets. For example, in regions where shallow oil and gas formations are prevalent, companies have reported success rates of up to 70% or higher when using 3D seismic technology. This contrasts with lower success rates observed in deeper or more geologically complex settings where seismic interpretation might be more challenging.

4. Reduction of Drilling Risks

• In shallow prospects, 3D seismic data not only improves the accuracy of target identification but also helps in mitigating drilling risks. This is crucial in areas where there may be unexpected subsurface conditions, such as gas pockets or water-bearing zones, which could complicate drilling operations.

In summary, 3D seismic technology can significantly enhance the success rate of exploring shallow prospects due to better resolution, cost-effectiveness, and reduced drilling risks. This makes it a particularly valuable tool for oil and gas companies focusing on shallower targets.