Depleting oil reserves and increased costs of the oil and gas recoveries have created the need to drill
in challenging formations. When drilled through, shale formations in particular always generated a
wide variety of problems if conventional water-based muds are used. Furthermore, the complexity and
variations in shales have compounded the task of developing suitable drilling fluids. In light of these
problems, the study of shale properties and their interactions with fluids will continue to be a muchneeded
source of information in drilling industry.
In this study a low molecular weight quaternary amine compound, which is provided by KarKim
Drilling Fluids Inc., and its mixtures with sodium and potassium chloride is investigated in the aspects
of capillary suction times, hot rolling recoveries, methylene blue capacities and one-dimensional free
swelling properties in order to compare performances of salts and amine compound.
For all test methods quaternary amine concentration from 1% to 6% by volume were studied and seen
that less amount of quaternary amine compound is needed in order to obtain close shale recoveries
and shale volume change potential if compared with sodium and potassium chloride. This prevents the
usage of high concentration of chlorides and hence provides environmental sensitiveness.
Furthermore, it was concluded that combining an amount of salt with quaternary amine compound
gives the system enhanced shale inhibition properties.
| Identifer | oai:union.ndltd.org:METU/oai:etd.lib.metu.edu.tr:http://etd.lib.metu.edu.tr/upload/12615554/index.pdf |
| Date | 01 February 2013 |
| Creators | Tas, Baki Tugrul |
| Contributors | Parlaktuna, Mahmut |
| Publisher | METU |
| Source Sets | Middle East Technical Univ. |
| Language | English |
| Detected Language | English |
| Type | M.S. Thesis |
| Format | text/pdf |
| Rights | To liberate the content for public access |
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