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In geotechnical engineering, drilling fluid, also known as drilling mud or drilling slurry, is used to aid the drilling of boreholes into the earth. Used while drilling oil and natural gas wells and on exploration drilling rigs, drilling fluids are also used for much simpler boreholes, such as water wells.
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mud drilling used fluid fluids cuttings formation drill muds oil hole well water viscosity wells also pressure wellbore solids conditions
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| when the drilling assembly is brought in | instance of | and carrying out drill cuttings as well as suspending the drill cuttings while drilling is paused | 0.80 | text |
| out of the hole | instance of | and carrying out drill cuttings as well as suspending the drill cuttings while drilling is paused | 0.80 | text |
| barium sulfate | instance of | with additives | 0.80 | text |
| Quebracho | instance of | or tannic acid derivates | 0.80 | text |
| baryte is added to increase the overall density of the drilling fluid so that sufficient bottom hole pressure can be maintained thereby preventing an unwanted | instance of | A weighting agent | 0.80 | text |
| diesel fuel | instance of | Oil-based mud has a petroleum-based fluid | 0.80 | text |
| disposal of cuttings in an appropriate place | instance of | environmental concerns | 0.80 | text |
| and the exploratory disadvantages of using oil-based mud | instance of | environmental concerns | 0.80 | text |
| especially in wildcat wells | instance of | environmental concerns | 0.80 | text |
| an offshore drilling rig | instance of | This is important when the drilling crew works with the fluid in an enclosed space | 0.80 | text |
| low annular velocities | instance of | and problems | 0.80 | text |
| poor hole cleaning | instance of | and problems | 0.80 | text |
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