Pre-drill Pore Pressure Prediction with Wellbore Stability Analysis
A Proven Process for Designing Successful Well Construction Programs
Wellbore stability is a critical problem in many wells. Anticipating potential destabilization can significantly affect the design of the casing and fluid program.
Our Pre-drill Pore Pressure Prediction Services with Wellbore Stability Analysis adds comprehensive geomechanical analysis to our pore pressure/fracture gradient planning to improve the safety and efficiency of well construction.
Wellbore stability problems are frequently encountered when drilling:
- Deviated wellbores, which involve greater risk than vertical wells and need proper well planning and stability analysis
- Near salt, caused by stress-related rubble zones
- In tectonically active regions, where variable stratigraphy leads to variable rock strengths
Left unplanned and unaccounted for, these geomechanical issues can lead to many
wellbore stability problems, including:
- Wellbore collapse
- Lost circulation
- Stuck pipe
- Casing collapse
- Reservoir damage
- Inability to acquire logging data
- Complete loss of the wellbore, requiring a re-drill
Failure Criteria Models
Knowledge Systems' pre-drill pore pressure analysis develops a 3D model of pore, fracture and overburden pressure using all the available petrophysical, geophysical and geological information. The model is refined by a multidisciplinary team of pore pressure analysts and geoscientists to ensure the results are exceptional, even under time and data restraints.
To develop the geomechanical solutions, we apply a proven process that develops estimates of rock strength and earth stress which are subsequently applied to appropriate failure criterion. Our unique approach is especially useful in areas where conventional pressure and stress techniques fail such as in carbonates or other non-clastic sediments.
Knowledge Systems analysts use these models in conjunction with stochastic techniques to compute the relevant risks of each failure mode. The process produces an illustration of the safe mud weight window, which allows operators to maximize safety while optimizing the economics of their mud and casing programs.
This unique technology and process results in the industry’s most rapidly produced, dependable prediction of pressure, stress and wellbore stability for minimizing the chances of over- or under-designed construction programs.
One Well or an Entire Campaign
For one important well or an entire campaign of wells, our solutions will help you avoid trouble and stay on bottom longer by optimizing fluid and casing design.
Whether you need start-to-finish expert analysis in a remote location or an additional member on your asset development team, we integrate efficiently with drillers,
engineers, geologists, geophysicists and petrophysicists to enhance the well planning process, project safety and drilling efficiency.
Planning for Success
The integrated approach we take for pre-drill pore pressure and wellbore stability analysis forms the basis for Knowledge Systems’ real-time surveillance services.
Our pore pressure and wellbore stability models run in real time at the wellsite and remotely. Our surveillance services reduce uncertainty in the pre-drill models using
LWD and surface logging data acquired via WITS or WITSMLTM. The unique technology not only computes pressure at the LWD sensor, but updates seismic and
the basin model for prediction ahead of the bit.
Geopressure and Geomechanical Expertise
We’ve been the leading provider of advanced geopressure and geomechanical solutions in the industry for almost 20 years. By focusing exclusively on these services, we provide a uniquely independent source for understanding the wellbore environment.
Pre-drill Pore Pressure Prediction with Wellbore Stability Analysis