EPI is a tax-deductible U.S. 501 (c) (3) nonprofit charity. Contact your Grant Prideco representative for hydraulic-optimized configurations and for further OD and ID combinations. I completed a total of 6 inspections which resulted in the inspection of 72 6 1/2drill collars and miscellaneous subs and 268 4 (DS40) hevi-wate drillpipe. SST boxes are identical to NC boxes of the same size. Higher torque. 0000096759 00000 n D-Link DSL-2640B Router Port Forwarding Instructions That is a refacing rate of under 6% and reject rate for machine shop recuts due to mechanical damage of under 2%. <>/Font<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> This type of damage is easily repaired and actually must be repaired before a thread profile inspection can be performed accurately. Refacing should be a last resort when repairing minor seal damage. Configuration Fundamentals. 0000112758 00000 n 0000097385 00000 n Both use the same thread form and are interchangeable with their API counterpart connection, as shown in the chart in the specifications tab. Cleaning and Transporting Your Scanner. Grade E D/P has a yield strength of 75,000 psi. DNP DS40 - DNP Photo 780 0 obj <> endobj 0 Connxtions Comedy Club of Lansing | Lansing MI - Facebook However, the 5 1/2 FH was officially resurrected about 10 years later. Epson WorkForce DS-40 and DS-560 | Wireless Scanner Setup The longest & major section of the Drill String Componentsis the Drill Pipe. As is common for all threaded connection types, RSC's are designed with a single purpose in mind, namely drilling. Drill Pipe; Heavyweight Drill Pipe . Premium connections Premium connections are like cell phone chargers. All this damage is being caused on the drilling floor and by evaluating the mechanical damage to connection threads and seals you should be able to determine the cause of the mechanical damage and make corrections. endstream endobj 129 0 obj <>stream Thanks to the financial capital provided by our investors, we're able to continue developing innovative products and solutions to the oil and gas industry that lead a safer, more environmentally friendly future. Allows D/P with a minimum wall thickness of 65% with all wear on one side so long as the cross-sectional area is the same as premium class, that is to say, based on notmore than 20% uniform wall reduction. GPDS and EIS Connections | NOV So here comes a post with the need-to-know basic stuff about drilling connection types. These premium connections have the same thread profile as the corresponding API connections. Solving Problems. About this Guide. RSC's can endure high pressures under favourable conditions. The API has established guidelines for drill pipe classification classes in API RP7G. There is no gap or change in the ID from the box to the pin, creating a smoother fluid flow with less turbulence and eliminating the opportunity for trapped cement and cuttings. GPDS and EIS are not interchangeable with each other. D-Link Technical Support To narrow it down further we are going to look at Rotary Shouldered Connections (RSC). Also, each joint of drill pipe is fitted with a pin (male thread) and box (female threads) tool joints or connectors. As the grade (minimum yield strength) increases the actual weight increases because the upset has more metal in it. Torque advantage over API and runs easier than the competition, providing the optimum solution to reach total depth as fast as possible. xref HW |?_?g[w9_~ppEY$EfLJWJ"?g)=k#C?j{q9\%u>>zpx_~}}o_?q^iH(?bt^%=S"f|\\[~l+s9XY 6i;i'@?g#wcbH56M2MJe fe;.s ?T}DAL0[HG;2poGTR'GWw1!'7 I am currently having a connection issue between the EPSON scanner DS-40 with a machine running Windows 10 Pro 64-bits via USB 2.0 cable. <> DNP DS40 ON THE NETWORK?? - Digital Photography Review Drilling thread types for dummies - Odfjell Technology Connections - Command Tubular However, the 5 1/2 FH was officially resurrected about 10 years later. Why can't we as an industry just pick the best one and go with it? Only in rare circumstances can you screw together two different types of premium connections . The minimum strength can be converted to a more usable strength in pounds by multiplying the minimum yield in psi by the cross-sectional area of the metal. 884 0 obj <>stream The actual weight of the 5 D/P in the above example is 20.89 lb/ft. 0000028548 00000 n All rights reserved. More information about cookies and your choice can be found in our Privacy Policy. H-90 thread forms are still common on BHA components. 0000057331 00000 n One the world cant live without. Tests by the developer show improved fatigue performance for SSTs. I refaced a total of 66 seals. 0000009377 00000 n 0000038534 00000 n 5 Drill Pipe Range II - DS50 Connection. There are 17 NC connections with pitch diameters ranging from 1.1/16 (NC-10) to 7.3/4 inches (NC-77). ` Delta delivers improved overall performance compared to our XT connection but with the ease of use and lower cost of maintenance of an API connection. They are the load flank and the stabbing flank. By the way, our official name and address is Elsie Publishing Institute (EPI), PO Box 811, East Lansing, MI 48826, ph 517-371-5257, fax 517-371-5200, www.LConline.org. Standard makeup torques in PAC drill collars cause a pin neck tensile stress of 87,500 psi, compares to 62,500 psi in a similar sized NC connection. The GPDS and EIS connections increased torsional strength enables tool joint dimensional optimization more suitable for the pipe body torsional strength. x[]o6}7GX( Powered by ASTOUNDZ, 7-1 and 7-2 (ISO 10424-1:2004 and ISO 10424-2:2007), Best in class performance and optimized operational characteristics required of high torque connections to drill the well designs of today, Available on all sizes of drill pipe, heavy-weight drill pipe and collars for use on work strings, slimhole drillstrings and frac strings, 5 turns to make-up is the fastest of any high torque connection, 170% 200% of the torsional strength of API connections, Provides increased torque with the addition of an optimized secondary torque shoulder, Reduces the amount of repairs required to less than 1% per well drilled, Cuts rig NPT during tripping operations by 50% over competitive high torque connections, A smooth ID through the connection, which can be made with smaller ODs and larger IDs than standard connections while maintaining higher torque capacities. Thanks to the financial capital provided by our investors, we're able to continue developing innovative products and solutions to the oil and gas industry that lead a safer, more environmentally friendly future. Specifications: Select a Size Connection Loading. For example, a 5 drill pipe can be described as 5, #19.5, E, XH, NC50, Premium. 3 0 obj PDF DRILL PIPE PERFORMANCE DATA SHEET - Complete Group endstream endobj 128 0 obj <>stream Makeup Torque Guidelines - Good COPPER-BASED thread compound is recommended for rotary-shouldered drill pipe connections by the OEM. Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM) Access Control Lists (ACLs) Bidirectional Forwarding Detection (BFD) Border Gateway Protocol (BGP) P/KhD%tPQ`l] uvc)-\@NHBjzCIh~D*L;JJAgUor2xr8SWm$~F But take the necessary precautions. h@yl_f$p)t[REz}'59}0]u( A *&Pg$GL1:# INSPECTION SERVICES LTD. 4-1/2" 16.60# S-135 DRILL PIPE WITH DS40 CONNECTIONS The technical information contained herein, including the product performance/spec sheets and other attached documents, have been generated from material provided by the manufacturer. Wi-Fi Networking. This savings reduces tripping time and helps bring forth first oil, earning money for the operator and making a drilling contractors rig more attractive. The number serves no real purpose other than identification because drill pipe does not have API regular connection. To start the conversation again, simply ask a new question. uGPDS is an enhanced version of the GPDS connection that enables either higher torque capacity or further enhanced hydraulics. You may delete and block cookies from this site, but parts of the site may not function as a result. trailer Rejected a total of 1 drill collar, and 7 hevi-wate drillpipe for excessive thread or seal damage. Command Tubulars CET and CDS connections offers technically advanced solutions for even the most demanding drilling conditions. Since downhole stress can be additive to makeup stress, PAC connections are that much closer to failure even as they pass through the rotary. I refaced a total of 67 seals. '7b/m~'r)':`oQg8oG3y5 Grant Prideco Double Shoulder and EIS connections offer enhanced performance and interchangeability with API rotary-shouldered connections. These are single shoulder connections: They only have one torque shoulder on both pin and box. Set the connection mode switch on the scanner to the Wi-Fi position. 0000057067 00000 n Power tools that are not specifically designed for seal refacing should never be used to dress a seal. %PDF-1.7 4" Drill Pipe, S-135, XT39 Connection - Saltire Energy Get help by chat, email or phone. This improvement is achieved at higher cost, reduced availability and sacrificed field repairability. I HAD USED DIFFERENT MODEL OF PRINT SERVER LIKE IOGEAR AND D LINK PRINT SERVER TO PRINT ON DNP DS40 WERE NOT SUCCESSFUL. All the damage on this connection was in the break out direction. <>/XObject<>/Pattern<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 595.32 841.92] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Also, the 6-5/8 FH was officially reinstated in 1993, no doubt because of its increasing popularity on 6-5/8 inch D/P. 802.1X. 4 0 obj As new drill pipe is rotated in the hole it wears and, therefore, it must be reclassified according to its wear. In all the years I have inspected drilling tools I have never seen a seal that has been filed cause washouts. Learn how to connect your Epson WorkForce DS-40 and DS-560 scanners to a wireless network. I have the capability to reface all standard rotary shoulder connections listed below using a Drilco refacing tool as seen in the Drilco (Smith Tool) drillers hand book. Configurations in the below table are torque optimized. Our expansive network of licensed repair, Best practices for running and handling to properly care for and maintain your Grant Prideco drill, Supporting our customers is our highest priority, and we look forward to partnering with you today, The original high-performance rotary-shouldered connections, Grant Prideco Double Shoulder and EIS connections offer enhanced performance and interchangeability, Optimized connection configurations that offer more torque, faster makeup, and enhanced performance. Contact your Grant Prideco representative about our uLtimate Series connections for more detailed information. 0000087677 00000 n Example3) I inspected the drilling tools on this rig drilling horizontal wells in the Edson and Hinton area between November of 2018 to February of 2021. 4 threads per inch (.250 lead) . 0000086109 00000 n The wide range of connections naturally brings up the question about compatibility. Command Tubular supports all of its connections around the world by providing quality support, local licensees for repair and accessory manufacturing. In summary, the Delta connection offers: Extreme torque (with as much as 20% more than XT) for drilling more extended-reach wells Enhanced hydraulics (~30-40% reduction in pressure losses compared to API) to promote faster drilling with more downhole tool power and improved hole cleaning XPC Extreme-Profile Single Shoulder Connection ?m dv%S. 0 The most common damage is to see a raised burr form on the thread crest and minor galling on the stabbing flank side of the threads. For example. This is also a relatively new patented connection. 0000097360 00000 n Some premium connections are compatible with API connections, even though one of them has a double shoulder and the other not. These rates are pretty well what I see on all the rigs I do inspections for on a regular base. I also have the capability to reface DS40 and CET43 connections using custom built refacing tools from Tubular inspection Products that are based on the Drilco tool. GPDS and and EIS are not interchangeable with each other. 0000104695 00000 n With the same outside diameter and inside diameter, our DT connection torque capacity is about 40% higher than the API connection. I determine the refaceability of a connection by referencing the pin or box bench mark and if a bench mark is not present (some machine shops dont re-apply bench marks when recutting) I measure the pin length or box counterbore length to assess refaceability. The reason for their popularity habit and the belief that changing to NCs would cost more than it would be worth. 0000112599 00000 n endobj 0000112877 00000 n Fully Interchangeable with API and some DS connections; NS-1 approved rotary shoulder connection; Provides increased torque with the addition of an optimized secondary torque shoulder; A smooth ID through the connection, which can be made with smaller OD's and larger ID's than standard connections while maintaining higher torque capacities . PACs are also the only connections that still use the fatigue prone V-065 thread form that was discarded by everyone else in 1968. Uniform wear and a minimum wall thickness of 80% of original wall thickness. RSC's come in two sub-categories: Study the schematic for drill pipe tool joints below to gain a better understanding of what we are talking about: > Read also: How to choose the right drill pipe. 0000009889 00000 n Get help by chat, email or phone. Athlete's Connection/Teamlax, Lansing, Michigan. Oct 8, 2012. 4 55 The position of the connection mode switch determines which method you can use to connect the scanner to a wireless network or device, or to a computer. 0000088304 00000 n High-strength connections designed for demanding drilling applications. 0000113309 00000 n EPSON DS-40 Scanner incompatible with USB 3.0 This website would like to use cookies to store information on your computer which will help to customize your interactions with us and provide you with a better browser experience. What might come as a surprise to many is that no API RSC is pressure rated with regards to gases and liquids. Tubular Rentals | Star Valley Oilfield Services See the list below for thread types that can be used together. I HAD PING FROM THE PC TO THE SILEX NETWORK ADAPTOR WITHOUT . %%EOF Non-API Drill Pipe Connection Thread Types, API Connection Sizes Specifications & Thread Types Table, Jetting Technique For Directional Oil & Gas Wells, Types Of Directional Wells Profile & Pattern, Types of Pipe fittings and Pipe Branch Connections. Every time that seal is refaced takes life away from that connection. MTU 4R0113 DS40 Diesel Generator Set 40 kWe/60 Hz/Standby/208 - 600V Reference MTU 4R0113 DS40 (40 kWe) for Prime Rating Technical Data . Open the Device menu and select Quit. 2018 Command Tubular. Feel free to use this compatibility matrix as a guide when trying to figure out what goes together with what: So until a genius invents the perfect quick connection, we just have to accept the status quo and live with it. In addition, monitoring of the first 108,000 connection inspections showed Delta requires 3.1 times fewer recuts than XTmeaning cheaper repair bills, fewer pipe movements for repair, and simply less pipe needed as contingency. Throughout every region in the world and every area of drilling and production, our family of companies provides the expertise, equipment, and operational support necessary for successnow and in the future. Some examples are: Most premium connections have a double shoulder. Downloads. the NC-38 a GPPD of 3.80800 inches and so on. 0000097048 00000 n if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'drillingmanual_com-large-leaderboard-2','ezslot_10',622,'0','0'])};__ez_fad_position('div-gpt-ad-drillingmanual_com-large-leaderboard-2-0');So, the actual weight depends on the type of connection thread and pipe grade. Now lets understand what is the main items that describe any drill pipe :if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'drillingmanual_com-medrectangle-4','ezslot_18',633,'0','0'])};__ez_fad_position('div-gpt-ad-drillingmanual_com-medrectangle-4-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'drillingmanual_com-medrectangle-4','ezslot_19',633,'0','1'])};__ez_fad_position('div-gpt-ad-drillingmanual_com-medrectangle-4-0_1');.medrectangle-4-multi-633{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:15px!important;margin-left:auto!important;margin-right:auto!important;margin-top:15px!important;max-width:100%!important;min-height:250px;min-width:250px;padding:0;text-align:center!important}. 5 Drill Pipe Range II- VX46 Connection. PDF DP-MASTER DS DOUBLE SHOULDER CONNECTION - Sub-Drill Streamlined GPDS and EIS connections provide 20 to 50% more torque than API rotary-shouldered connections of the same dimensions. I HAD FOLLOW A COMPANY RECOMMENDATION FROM THE WEBSITE TO USE SILEX NETWORK ADAPTOR, I STILL UNABLE TO PRINT ANY IMAGE FROM THE PC TO THE DS40 PRINTER. ;imuf|%]vbSO$x:w?}{ cy!0,:&9 Y9o'4EpO12Q R&~.Y&>K%"WLLId$o;>z?4ZN`#&%JN#zn7'eN37-tVg|@h2>",KK5bjE@t"`D?S2:2^0bShE15-yA02W[J8Q(G],H}u[3m-O03LPG\5#e}jlO/t&&-s5@T=nkI.^)mv cKC$ie':!p %@9;>Wdh8X2um"}hecB u]wxFc}yd*)[n2&DjbaB@Y^o 'ZU!*`vu3Xn(>05g)l2bc@3D~K\jEi>++eibf[WP~e`Gf. Premium connections are like cell phone chargers. That is a refacing rate of about 2% and reject rate for machine shop recuts due to mechanical damage of less than 1%. It is also a good idea to monitor the damage to the top drive saver sub working pin it will tell you if there is a problem by its wear pattern. You don't want an unexpected shoulder separation and an uncontrollable leak when drilling a deviated well.. You may delete and block cookies from this site, but parts of the site may not function as a result. But why all these connection types? PDF DS Connections - RDT For more information on the DS-40, visit: http://bit.ly/2CYTMgg Show more Show more Epson WorkForce. With the Grant Prideco Delta connection, you no longer have to sacrifice performance for cost. Feel free to send your remarks or ask your questions to Mr Help. AC2600 High Power Wi-Fi Router. There are no suggestions because the search field is empty. One thing I do though is when it comes to galled seals with raised burrs that do not meet the requirements to be refaced, manufacturers recommend not filing the gall flat but to reface the seal instead (raising repair costs). 4.5 Drill Pipe Range III- Delta 425 Connection. Security level: Select the wireless connection's security protocol. It can be tough getting the terminology right, so let's nail it down right now. Therefore, in this article we shall discuss API drill pipe specifications (specs), description, classification & drill pipe connection thread types. Drilling Equipment. Scanner Basics. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'drillingmanual_com-leader-2','ezslot_16',642,'0','0'])};__ez_fad_position('div-gpt-ad-drillingmanual_com-leader-2-0');They are about equivalent in performance to Regulars, except that the shallow thread angle can cause high box hoop stress at high makeup torques. This website would like to use cookies to store information on your computer which will help to customize your interactions with us and provide you with a better browser experience. Both connections offer a versatile alternative to standard API connection designs when higher operational torque and tool joint wear allowance are desired, and they are fully interchangeable with corresponding API NC or FH counterparts. The same drill pipe with a CDS40 connection will have a premium minimum OD of 4 3/4. Also at the time, API took the most popular older connections, gave them a new thread and new name and stuck them into the lineup. 2 7/8IF, 3 1/2IF, 4FH, 4 1/2XH, 4 1/2FH, 4 1/2IF, 4 1/2REG, 6 5/8REG, 4H90,4 1/2H90, 5H90, and 7H90. In order for this to work the thread profiles need to match each other. They were originally a proprietary product of Hughes Tool Company and are easily recognized by their shallow 90 degree thread angle. All TSC API grades meet or exceed the standards. Sometimes these are experienced drillers who have been in the industry for years. Thread stretch is a normal part of making up any rotary shoulder connection as long as the point of elasticity is not passed. The classes are summarized as follows:New:No wear and has never been used.Premium:Uniform wear and a minimum wall thickness of 80% of original wall thickness.Class 2:Allows D/P with a minimum wall thickness of 65% with all wear on one side so long as the cross-sectional area is the same as premium class, that is to say, based on notmore than 20% uniform wall reduction.Class 3:Allows drill pipe with a minimum wall thickness of 55% with all wear on one side.Api drill pipe specifications (Wear Classification), Please consider that any articles or Ads here related to Forex, Banking, any Adult sites & any Dating Websites are haram. In this post I will deal with the drill string connections only. Scanning. 0000038377 00000 n The load flank which once the connection is made up takes all the load along with the torque shoulder(s). This additional strength provides the required torque for drilling to extended depths or in more demanding environments. With up to 50% faster makeup than the XT connection, Delta saves up to 4 seconds on each connection makeup and breakout. 0000018152 00000 n Innovative thread design Similar collar ID and OD to standard API NC connections Developed to eliminate twist offs and reduce NPT and maintenance costs associated with downhole failures, the XPC* extreme-profile single shoulder connection significantly increases fatigue life over standard API NC connections. The majority of damage today is caused by external wear. Each joint of drill pipe consists of the tube body and the Tool Joint (connection). Quail Tools | Tubular Spec Sheets PAC connections continue to be very popular for 2-3/8 inch drill pipe as well as small diameter drill collars. <> These are single shoulder connections: They only have one torque shoulder on both pin and box. Only comedy club in town with the nation's top comedians PROVEN to make you laugh! The original high-performance rotary-shouldered connections. Throughout every region in the world and every area of drilling and production, our family of companies provides the expertise, equipment, and operational support necessary for successnow and in the future. Top drives are several times heavier than the old rotary table rigs swivel and kelly bar. 0000000016 00000 n This secondary torque shoulder is not a seal. endstream endobj 130 0 obj <>stream Welcome | Lesbian Connection Magazine DS-40 User's Guide. On this page I will briefly go over the mechanics of a rotary shoulder connection and the type of damage that is found and what I believe is the cause of that damage and the actions that I take to correct that damage if possible. Also, the 6-5/8 FH was officially reinstated in 1993, no doubt because of its increasing popularity on 6-5/8 inch D/P. Each description item is explained in more detail below.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'drillingmanual_com-box-4','ezslot_8',634,'0','0'])};__ez_fad_position('div-gpt-ad-drillingmanual_com-box-4-0'); Which is simply the plain end (tube) outside diameter. FAQs. These included the NC-50 (old 4.1/2 IF) the NC-46 (old 4.1/2 XH) and NC-38 (old 3.1/2 IF). The D/P is inspected periodically to detect cracks, pits,reduction in wallthicknessandother defects. Yet, this applies to the pipe, and NOT to the connections. Below is a UXT40 saver sub pin. 0000057580 00000 n faq-0000669-ds40 | SPT_B11B225201 | Epson WorkForce DS-40 | WorkForce Thread Type Compatibility | PipeandHose.com 0000088212 00000 n D-Link Technical Support min max 0.031 +.141-.016 ds38 4.404 4.415 4.070 .250 4.578 ds40 4.915 4.927 4.336 .250 5.016 ds46 4.915 4.927 4.898 .313 5.719 ds50 4.915 4.927 5.305 .313 6.063 ds55 5.427 5.439 5.898 . We are glad to introduce this refreshed version of the site, with improved accessibility, updated content and new features. bKun"`e7{8+;Z Here through the end of the summer and then heading back to my home university 0000009508 00000 n I completed a total of 34 inspections which resulted in the inspection of 650 6 1/2drill collars and miscellaneous subs and 546 4 1/2 (DS40) hevi-wate drillpipe. Inspection methods include electromagnetic inspection of pipe body to locate cracks and pits, sonic inspection to measure wall thickness, visual inspection to detect mashes and caliper measurements. endobj It is for reference only and should not be construed as a recommendation. Specifications The Grant Prideco Double Shoulder (GPDS) and EIS connections are high-performance rotary-shouldered tool joint connections available for drill pipe ranging in size from 2 to 6 in. If I see mechanical damage to threads that I believe can be prevented by adjustments on the rig floor I report this to the rig manager. Do you need to talk with drilling experts and have a free consultion? 4 0 obj <> endobj The service provider assigns a global IP address from a pool of addresses available to the service provider. That means that they have an extra torque shoulder in the nose of the pin and in the bottom of the box. endstream endobj 5 0 obj <> endobj 6 0 obj <>/ProcSet[/PDF/Text/ImageC]/XObject<>>>/Rotate 0/Type/Page>> endobj 7 0 obj <>stream hSN@WU2x.B*liTX&Hd$I].cya%P Every day, the oil and gas industrys best minds put more than 150 years of experience to work to help our customers achieve lasting success. 0000088143 00000 n hbspt.cta._relativeUrls=true;hbspt.cta.load(464779, '6ec4f243-a5b8-4786-85c2-c055297acb25', {"useNewLoader":"true","region":"na1"}); Topics: 0000057993 00000 n 0000087264 00000 n Loading Originals. Removed 11 cracked drilling tools from service. DS-40 User's Guide D-LINK DSL-2640T USER MANUAL Pdf Download | ManualsLib 789 0 obj <>/Filter/FlateDecode/ID[<52A05280C9E5CD4FA9AA3257B6CE4E14>]/Index[780 105]/Info 779 0 R/Length 70/Prev 913645/Root 781 0 R/Size 885/Type/XRef/W[1 2 1]>>stream Once the opposing seals/primary torque shoulders and thread load shoulders on the pin and box connections come into contact with each other torque is then applied until recommended makeup torque is achieved. The user is fully responsible for . Yes, some connections go together with other types under given circumstances. Environmental Topics and Definitions Applicable to NOV, We Power the Industry that Powers the World, Extreme torque (with as much as 20% more than XT) for drilling more extended-reach wells, Enhanced hydraulics (~30-40% reduction in pressure losses compared to API) to promote faster drilling with more downhole tool power and improved hole cleaning, Streamlined design to allow using larger drill pipe size, reducing vibrations for better borehole quality.
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