18189026. SPATIAL VARIATIONS OF PORE PRESSURE simplified abstract (Saudi Arabian Oil Company)
Contents
SPATIAL VARIATIONS OF PORE PRESSURE
Organization Name
Inventor(s)
Ahmed Naseem Al-dawood of Dhahran (SA)
SPATIAL VARIATIONS OF PORE PRESSURE - A simplified explanation of the abstract
This abstract first appeared for US patent application 18189026 titled 'SPATIAL VARIATIONS OF PORE PRESSURE
The patent application describes methods, systems, and computer-readable medium for calculating pore pressure in a reservoir using input data such as rock density, seismic data, and pore pressure measurements from a Modular Formation Dynamic Tester (MDT).
- Calculating the overburden pressure volume of the reservoir based on the rock density.
- Generating the overburden pressure volume of the reservoir.
- Generating the acoustic impedance volume of the reservoir based on seismic data.
- Calculating the effective stress volume of the reservoir based on overburden pressure and MDT pore pressure measurements.
- Generating an estimated pore pressure volume of the reservoir based on effective stress and overburden volumes.
- Calculating a pore pressure gradient map indicative of the pore pressure in the reservoir.
Potential Applications: - Oil and gas exploration and production - Reservoir engineering - Geomechanics studies
Problems Solved: - Accurately determining pore pressure in a reservoir - Improving reservoir characterization - Enhancing drilling safety and efficiency
Benefits: - Better understanding of reservoir conditions - Improved decision-making in drilling operations - Enhanced resource recovery
Commercial Applications: Title: "Advanced Reservoir Pore Pressure Calculation Technology" This technology can be used in the oil and gas industry for optimizing drilling operations, reducing risks, and maximizing production efficiency.
Questions about Pore Pressure Calculation Technology: 1. How does this technology improve drilling safety?
- This technology helps in accurately determining pore pressure, which is crucial for safe drilling operations.
2. What are the key benefits of using seismic data in calculating pore pressure?
- Seismic data provides valuable insights into the subsurface properties, allowing for more accurate pore pressure estimations.
Original Abstract Submitted
Disclosed are methods, systems, and computer-readable medium to perform operations for calculating pore pressure in a reservoir, the operations including: receiving input data including: (i) a rock density in the reservoir, (ii) seismic data measured in the reservoir, and (iii) pore pressure measurements from a Modular Formation Dynamic Tester (MDT); calculating, based on the rock density, an overburden pressure volume of the reservoir; generating, based on the overburden pressure volume, an overburden pressure volume of the reservoir; generating, based on the seismic data, an acoustic impedance volume of the reservoir; calculating, based on the overburden pressure and the MDT pore pressure measurements, an effective stress volume of the reservoir; generating, based on the effective stress and overburden volumes, an estimated pore pressure volume of the reservoir; and calculating, based on the estimated pore pressure volume, a pore pressure gradient map indicative of the pore pressure in the reservoir.
