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Optimize bit performance depending on the bit type and application п‚§ A variety of profile shapes and lengths are used to Introduction to Bit Profiles п‚§ The term вЂњprofileвЂќ or вЂњcrown profileвЂќ refers to theДistinctive shape of the bit head when viewed from the side Low backrakes are more efficient in the вЂњnewвЂќ state As bits wear they can become less efficient Copyright Baker Hughes, Inc.

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Worn Even cooling Full carbide support 120 RPM п‚§ For a given wear state, lower backrakes yield bigger wearflats x 45 o, Mancos, 3 kpsiД¬an we just use small chamfers and 15Вє BR? п‚§ Based on our current technology, Torque п‚§ The magnitude of the effect depends on rock strengthДecreasing Backrake Increases Efficiency Medium Shale, Co = 10 kpsi Specific Energy vs. п‚§ Generally, smaller backrake angles require less weight and

п‚§ Determines the aggressiveness of the cutter п‚§ The lower the back rake, the more aggressive the cut п‚§ If we slow down the RPM but maintain the same ROP, what will happen to the DOC? п‚§ The DOC has to increaseД .375вЂќ x 100 RPM x 5 = 188 ft/hr Copyright Baker Hughes, Inc. п‚§ If we speed up the RPM while maintaining the same depth of cut, what will happen to the ROP? п‚§ ROP will increase п‚§ The depth the cutter is indented into the rock п‚§ Can be used along with RPM and a units constant to Polished Cutters п‚§ Standard feature п‚§ Low Coefficient of Friction п‚§ Conventional PDC п‚§ Brake pads п‚§ Polished PDC п‚§ Ice on ice п‚§ Edge Geometry п‚§ Influences impact resistance п‚§ Diamond/Carbide Interface п‚§ Affects impact resistance PDC Cutter Properties п‚§ Diamond Table п‚§ Abrasion and impact resistance п‚§ Pre-made synthetic diamond п‚§ Pre-made tungsten carbide substrate п‚§ High Temperature High Pressure (HTHP) process Copyright Baker Hughes, Inc.

A natural diamond is a single crystal, the term polycrystalline means many crystals.

1976, introduction of first PDC for drilling in petroleum and mining.

(4140) п‚§ API regular connection п‚§ Breaker slots п‚§ Identification slots Oxy Acetylene Applied Macro Hardfacing Copyright Baker Hughes, Inc. п‚§ Low temperature braze п‚§ Bonds only to PDC substrate п‚§ Technique is a critical skillДiamond Bit Materials п‚§ The Bit Body п‚§ Milled from bar Stock Steel п‚§ Steel body design uses a cast steel body welded to a shank (two Microsoft Office,, LibreOffice, Apple iWorkДЄdobe Acrobat, Adobe InDesign, Adobe FrameMaker, Adobe Illustrator, Adobe Photoshop, Google Docs, LibreOffice, Microsoft Office, Foxit Reader, Ghostscript.Crown Chamfer Matrix Bit Body Gauge Pad Nozzle Cutters Copyright Baker Hughes, Inc.Дiamond Bit Materials п‚§ The Bit Body п‚§ Matrix Body п‚§ Manufactured with a cast, graphite mold п‚§ Bit body made up of tungsten carbide matrix powder п‚§ Bonded together with a copper alloy binder п‚§ Very resistant to erosion and abrasion A structured storage system to bundle these elements and any associated content into a single file, with data compression where appropriate. A font-embedding/replacement system to allow fonts to travel with the documents.

#Pdc to pdf pdf#

The PDF combines three technologies: A subset of the PostScript page description programming language, for generating the layout and graphics. Several schema systems exist to aid in the definition of XML-based languages, while programmers have developed many application programming interfaces (APIs) to aid the processing of XML data. XML is a textual data format with strong support via Unicode for different human languages.

Each PDF file encapsulates a complete description of a fixed-layout flat document, including the text, fonts, graphics, and other information needed to display it.

#Pdc to pdf portable#

The Portable Document Format (PDF) is a file format used to present documents in a manner independent of application software, hardware, and operating systems. The design goals of XML emphasize simplicity, generality, and usability across the Internet.

In computing, Extensible Markup Language (XML) is a markup language that defines a set of rules for encoding documents in a format that is both human-readable and machine-readable. Application/pdf, application/x-pdf, application/x-bzpdf, application/x-gzpdf