ASTM D4380-84(1993)e1
(Test Method)Standard Test Method for Density of Bentonitic Slurries
Standard Test Method for Density of Bentonitic Slurries
SCOPE
1.1 This test method covers the determination of the density of slurries used in slurry construction techniques, such as are used for barriers to control the horizontal movement of liquids. This test method is modified from API Recommended Practice 13B.
1.2 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of whoever uses this standard to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
General Information
Standards Content (Sample)
NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
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e1
Designation: D 4380 – 84 (Reapproved 1993)
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Test Method for
Density of Bentonitic Slurries
This standard is issued under the fixed designation D 4380; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
e NOTE—Editorial changes were made throughout and Section 12 was added editorially in September 1993.
1. Scope 6. Apparatus
1.1 This test method covers the determination of the density 6.1 Mud Balance—Any instrument of sufficient accuracy to
of slurries used in slurry construction techniques, such as are permit measurement within 60.01 g/cm may be used, how-
used for barriers to control the horizontal movement of liquids. ever, the mud balance is the instrument generally used (see Fig.
This test method is modified from API Recommended 1). The mud balance consists of a mud cup attached to one end
Practice 13B. of a beam which is balanced on the other end by a fixed
1.2 This standard does not purport to address all of the counterweight and a rider free to move along a graduated scale.
safety problems, if any, associated with its use. It is the A level bubble is mounted on the beam. Attachments for
responsibility of whoever uses this standard to consult and extending the range of the balance may be used.
establish appropriate safety and health practices and deter-
7. Calibration
mine the applicability of regulatory limitations prior to use.
7.1 The instrument should be calibrated frequently with
2. Referenced Documents
fresh water. Fresh water should give a reading of 1.00 g/cm at
2.1 ASTM Standards: 70°F (21.1°C). If it does not, adjust the balancing screw or the
D 653 Terminology Relating to Soil, Rock, and Contained amount of lead shot in the well at the end of the graduated arm
Fluids as required.
2.2 American Petroleum Institute (API) Standard:
8. Procedure
API RP 13B Recommended Practice Standard Procedure
for Testing Drilling Fluids (Section 1) 8.1 Set up the instrument base approximately level.
8.2 Fill the clean, dry cup with slurry to be tested, place the
3. Terminology
cap on the cup, and rotate the cap until firmly seated. Make
3.1 For definitions of terms relating to this test method, refer sure some of the slurry is expelled through the hole in the cap
to Terminology D 653. to free trapped air or gas.
8.3 Wash or wipe the excess slurry from the outside of the
4. Summary of Test Method
cup.
4.1 The mud balance is the instrument generally used for 8.4
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