ASTM D5783-1995(2006) Standard Guide for Use of Direct Rotary Drilling with Water-Based Drilling Fluid for Geoenvironmental Exploration and the Installation of Subsurface Water-Qua.pdf
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1、Designation: D 5783 95 (Reapproved 2006)Standard Guide forUse of Direct Rotary Drilling with Water-Based Drilling Fluidfor Geoenvironmental Exploration and the Installation ofSubsurface Water-Quality Monitoring Devices1This standard is issued under the fixed designation D 5783; the number immediatel
2、y following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This guid
3、e covers how direct (straight) rotary-drillingprocedures with water-based drilling fluids may be used forgeoenvironmental exploration and installation of subsurfacewater-quality monitoring devices.NOTE 1The term direct with respect to the rotary-drilling method ofthis guide indicates that a water-ba
4、sed drilling fluid is pumped through adrill-rod column to a rotating bit. The drilling fluid transports cuttings tothe surface through the annulus between the drill-rod column and theborehole wall.NOTE 2This guide does not include considerations for geotechnicalsite characterization that are address
5、ed in a separate guide.1.2 Direct-rotary drilling for geoenvironmental explorationand monitoring-device installations will often involve safetyplanning, administration and documentation. This standarddoes not purport to specifically address exploration and sitesafety.1.3 The values stated in inch-po
6、und units are to be regardedas standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.4 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is there
7、sponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.1.5 This guide offers an organized collection of informationor a series of options and does not recommend a specificcourse of action
8、. This document cannot replace education orexperience and should be used in conjunction with professionaljudgment. Not all aspects of this guide may be applicable in allcircumstances. This ASTM standard is not intended to repre-sent or replace the standard of care by which the adequacy ofa given pro
9、fessional service must be judged, nor should thisdocument be applied without consideration of a projects manyunique aspects. The word “Standard” in the title of thisdocument means only that the document has been approvedthrough the ASTM consensus process.2. Referenced Documents2.1 ASTM Standards:2D
10、653 Terminology Relating to Soil, Rock, and ContainedFluidsD 1452 Practice for Soil Investigation and Sampling byAuger BoringsD 1586 Test Method for Penetration Test and Split-BarrelSampling of SoilsD 1587 Practice for Thin-Walled Tube Sampling of Soilsfor Geotechnical PurposesD2113 Practice for Roc
11、k Core Drilling and Sampling ofRock for Site InvestigationD 3550 Practice for Thick Wall, Ring-Lined, Split Barrel,Drive Sampling of SoilsD 5088 Practices for Decontamination of Field EquipmentUsed at Waste SitesD 5092 Practice for Design and Installation of GroundWater Monitoring WellsD 5099 Test M
12、ethods for RubberMeasurement of Pro-cessing Properties Using Capillary RheometryD 5434 Guide for Field Logging of Subsurface Explora-tions of Soil and RockD 5784 Guide for Use of Hollow-Stem Augers for Geoen-vironmental Exploration and the Installation of SubsurfaceWater-Quality Monitoring Devices3.
13、 Terminology3.1 Definitions:3.1.1 Terminology used within this guide is in accordancewith Terminology D 653. Definitions of additional terms maybe found in Terminology D 653.3.2 Definitions of Terms Specific to This Standard:3.2.1 bentonitethe common name for drilling-fluid addi-tives and well-const
14、ruction products consisting mostly of1This guide is under the jurisdiction ofASTM Committee D18 on Soil and Rockand is the direct responsibility of Subcommittee D18.21 on Ground Water andVadose Zone Investigations.Current edition approved July 1, 2006. Published July 2006. Originally approvedin 1995
15、. Last previous edition approved in 2000 as D 5783 95 (2000).2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.
16、1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.naturally-occurring montmorillonite. Some bentonite productshave chemical additives that may affect water-quality analyses.3.2.2 bentonite granules and chipsirregularly-shaped par-ticle
17、s of bentonite (free from additives) that have been driedand separated into a specific size range.3.2.3 bentonite pelletsroughly spherical- or disc-shapedunits of compressed bentonite powder (some pellet manufac-turers coat the bentonite with chemicals that may affect thewater quality analysis).3.2.
18、4 cleanout depththe depth to which the end of the drillstring (bit or core barrel cutting end) has reached after aninterval of cutting. The cleanout depth (or drilled depth as it isreferred to after cleaning out of any sloughed material in thebottom of the borehole) is usually recorded to the neares
19、t 0.1 ft(0.03 m).3.2.5 coeffcient of uniformity Cu(D), the ratio D60/D10,where D60is the particle diameter corresponding to 60 % fineron the cumulative particle-size distribution curve, and D10isthe particle diameter corresponding to 10 % finer on thecumulative particle-size distribution curve.3.2.6
20、 drawworksa power-driven winch, or severalwinches, usually equipped with a clutch and brake system(s)for hoisting or lowering a drilling string.3.2.7 drill holea cylindrical hole advanced into the sub-surface by mechanical means. Also known as a borehole orboring.3.2.8 drill stringthe complete direc
21、t rotary-drilling as-sembly under rotation including bit, sampler/core barrel, drillrods and connector assemblies (subs). The total length of thisassembly is used to determine drilling depth by referencing theposition of the top of the string to a datum near the groundsurface.3.2.9 filter packalso k
22、nown as a gravel pack or a primaryfilter pack in the practice of monitoring-well installations. Thegravel pack is usually granular material, having selected grainsize characteristics, that is placed between a monitoring deviceand the borehole wall. The basic purpose of the filter pack orgravel envel
23、ope is to act as: (1) a non-clogging filter when theaquifer is not suited to natural development or, (2) act as aformation stabilizer when the aquifer is suitable for naturaldevelopment.3.2.9.1 DiscussionUnder most circumstances a clean,quartz sand or gravel should be used. In some cases apre-packed
24、 screen may be used.3.2.10 grout packeran inflatable or expandable annularplug attached to a tremie pipe, usually just above the dischargeend of the pipe.3.2.11 grout shoea drillable plug containing a check valvepositioned within the lowermost section of a casing column.Grout is injected through the
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