By Greg Ettling
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Each soil requires based on the sand I had seen the week you to tweak the fluid a bit. Different before at the site. I was going to start companies will have different mixes, with a good base of bentonite drilling and it is important for you to follow fluid, and add some PAC (polyanionic the respective manufacturers’ mix cellulose) for the sand and a touch of recipes for best results. A proper mix xanthan gum as insurance to suspend also can help protect your tooling and Super V the cuttings as they traveled out of equipment, and keep repair costs low.
9 gallons. Example 5 Consider how the drawdown changes if we widened the differential between the (Continued on Page 42) !! ! )1 &3 3)$+##+%32+% *1) 10)'3',0-3 $ 3(!! 131 12,3321)32& 3*1//3012. ,03 3*1//3012. 6E3C-E4? -C8=(: *7%E(=E. '2 E< 9 6,4C%? E1CAE6DC59@E1E(=E. :C =$5-(C"C&5(:8! =7#"$3 ( 3< (3 40 | NATIONALDRILLER August 2011 $3(((!! 301 &30(((3)$+##+%32+% Card No. com | 41 (Pelikan - Continued from Page 40) cut-in and cut-out pressures from 30/50 to 30/60.
A word of caution: Before expanding the cut-in/cut-out differential beyond 20 psi, check with your tank manufacturer to make sure that by doing so, you will not be over-expanding the water chamber. ” This simply is the factor by which you multiply the total tank volume to get drawdown. In other words, drawdown = acceptance factor x total tank volume. If you would rather work with acceptance factors, take the “V” out of the Boyle’s Law formula, and it becomes: Acceptance factor = P1/ P2 – P1/ P3.