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Notes: <br /> • If less than calculated volume is used, this indicates bridging or hole <br /> collapse. If more than calculated volume is used, this indicates hole <br /> washout (enlargement). <br /> • To calculate the volume of material needed for filling annular space <br /> between casing and hole wall: <br /> 1. Subtract the volume needed to fill the nominal casing O.D.from the <br /> volume needed to fill the nominal drilled hole size. <br /> 2. Use the preceding table(s)to obtain volumes for use in the formula <br /> below. <br /> Example: <br /> 5-inch (127 mm) casing in an 8 3/4" (-222 mm) drilled hole, and <br /> using 1/4" pellets <br /> Volume needed = (volume drilled hole)- (volume casing O.D.) <br /> 29.48 Ib- 9.63 Ib = 19.85 Ib to fill 1 foot of annular space <br /> 62.9 kg—20.5 kg = 42.4 kg to fill 1 meter of annular space <br /> Note: <br /> This product has been certified by the National Sanitation Foundation <br /> (NSF)to contribute no adverse health problems when used as the <br /> manufacturer recommends for the construction of potable water wells. <br /> Packaging BAROID BENTONITE PELLETS are packaged in 5-gal (19-liter) plastic <br /> pails containing 50-lbs(22.7 kg). One container of product will occupy <br /> approximately 0.7 ft3. <br /> Availability BAROID BENTONITE PELLETS can be purchased through any <br /> Baroid Industrial Drilling Products Distributor. To locate the Baroid IDP <br /> distributor nearest you contact the Customer Service Department in <br /> Houston or your area IDP Sales Representative. <br /> Baroid Industrial Drilling Products <br /> A Product and Service Line of Halliburton Energy Services, Inc. <br /> 3000 N. Sam Houston Pkwy. E. <br /> Houston, TX 77032 <br /> Customer Service (800)735-6075 Toll Free (281) 871-4612 <br /> Technical Service (877) 379-7412 Toll Free (281) 871-4613 <br />