Flat rheology synthetic-base system controls ECDs over a wide temperature range
RHELIANT represents a breakthrough in synthetic-based drilling fluid technology designed specifically for deepwater and other demanding applications. The latest advancement in synthetic-based drilling fluid systems provides outstanding rheological performance over a wide range of drilling temperatures where ECD management is critical. The new generation RHELIANT system maintains constant fluid properties that are independent of temperature and pressure. This synthetic-base drilling fluid maintains constant 150ºF (66 ºC) properties even when confronting temperatures as low as 40ºF (4ºC).
The RHELIANT system has particular application in deepwater applications where the surface rheology and ECD must be reduced when encountering cold temperatures in the riser and on the surface. This often results in poor hole cleaning, sag, or other drilling problems related to low rheology at bottom-hole static and circulating temperatures. Adjusting the rheology upwards can lead to excessive ECD values and gel strengths. These conditions can limit rates of penetration, increase downtime, and lead to losses of whole premium fluids, seriously compromising the economics of a project.
The constant rheology of the RHELIANT synthetic-base mud system opens the door for more efficient, trouble-free and cost-effective drilling by improving hole cleaning and minimizing barite sag, pressure spikes, progressive gel strengths and the many other problems that develop when trying to control ever-changing ECD values. The flat rheological profile of the RHELIANT system serves to minimize whole fluid losses and ECDs.
Features
- Environmentally compliant synthetic-base fluid
- Flat rheological profile over a wide temperature range
- Reduced sag potential
- Less dilution/maintenance
- Improved hole cleaning and cuttings suspension
- Reduced pressure spikes
Benefits
- Reduced fluid cost
- Improved ECD management
- Minimized formation fractures
- Reduced environmental costs, improved HSE performance
- Optimized drilling efficiency
- Significantly reduced whole-mud losses
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