Publications

1. Lost circulation to the reefal limestone deposition is caused by- high porosity- low formation pressure.2. The losses may be sudden and severe.3. The losses are usually difficult to seal and time spent to cure could be a significant part of drilling time and cost.4. The common materials stocked at the site can be used to heal the losses provided they are mixed and placed properly in sufficient size.5. The M-DOB2C has been found to be an effective means to cure severe and long interval loss zones.