802.1X. 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. To accept cookies from this site, please click the I Accept button below. PACs are also the only connections that still use the fatigue prone V-065 thread form that was discarded by everyone else in 1968. Yes, some connections go together with other types under given circumstances. 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). The short answer is competition. Contact your Grant Prideco representative for further tool joint OD and ID configurations. As an example a 4 G105 15.7 lbs/ft drill pipe with 5 x 2 7/16 NC40 connections has a premium class minimum OD of 5. Security level: Select the wireless connection's security protocol. GPDS and EIS Connections | NOV D-Link DSL-2640B Router Port Forwarding Instructions That is a refacing rate of about 2% and reject rate for machine shop recuts due to mechanical damage of less than 1%. To start the conversation again, simply ask a new question. giEnk3)A[C6{:kRmzY,+D8?O.t]LG0BZ/$He$h6K?aBUJ:yW|71? The same drill pipe with a CDS40 connection will have a premium minimum OD of 4 3/4. Technical Specifications. Jim Felder Author Level 1 21 points Printing to a DNP DS40 Printer I have a 27" iMac running OS X 10.10.5 and it prints fine. If they do, take care to use the makeup torque values for the weakest connection. 0000001728 00000 n 4 threads per inch (.250 lead) . ?m dv%S. Here through the end of the summer and then heading back to my home university Connection/Tube Torsional Ratio Tool Joint Connection Type DS40 OD mm Material Yield Strength MPa 896 Tensile Yield Strength kdaN OD mm 133.4 Torsional Yield Strength ft-lbs ID mm 68.3 Recommended Makeup Torque ft-lbs Pin Shoulder Angle deg 18 Pin Tool Joint Length mm 356 Box Tool Joint Length mm 356 Drill Pipe Assembly Shoulder-Shoulder Length . - Ensure 360 DEGREES of coverage of the threads and torque shoulders. The machine has USB 3.0 and the latest driver is downloaded from EPSON website which is compatible with Windows 10 64-bits. So here comes a post with the need-to-know basic stuff about drilling connection types. Pin end Box end Threads have two flanks (the sides of the thread). Both use the same thread form and are interchangeable with their API counterpart connection, as shown in the chart in the specifications tab. It is my experience that the majority of seal damage is usually much less than .031 deep allowing for several refacings. 3 0 obj Power tools that are not specifically designed for seal refacing should never be used to dress a seal. hb```b``f`f``dcd@ AV Hd1sR$I>:5Ox,TdxL~8cS Ghsu2_kGP#o The CDS connections life is extended by being able to wear to a smaller OD while maintaining a torsional capacity greater than 80% of the drill pipe tube. 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. Non-API Drill Pipe Connection Thread Types H-90 Connections With the Technology on todays high tech drilling rigs specifically designed to make up and break out drilling tool rotary shoulder connections you shouldnt see the number of rejected tools going to machine shops for thread and seal repairs that you do. Stress reliefs in the tools minimize bending loads on the break point allowing high flexibility. Delta Drill Pipe Connection | NOV PDF DRILL PIPE PERFORMANCE DATA SHEET - Complete Group 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. These are single shoulder connections: They only have one torque shoulder on both pin and box. Videos. stream Theme by Seos Themes. We have the people, capabilities, and vision to serve the needs of a challenging and evolving industry. The original high-performance rotary-shouldered connections. Our DS is interchangeable with the following API thread connections: DS38 NC38DS40 NC40DS46 NC46DS50 NC50DS55 5 1/2 FH High TorqueConnections DT Connections DT connections are double shoulders connections with API thread pro les. Flexible exhaust connection EPA certified engine Generator NEMA MG1, IEEE, and ANSI standards compliance for temperature rise and motor starting 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. 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. API Drill Pipe GradeMinimum Yield Strength (psi)Minimum Tensile Strength (psi)E-7575,000100,000X-9595,000105,000G-105105,000115,000S-135135,000145,000. 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. 0000002034 00000 n It is my observation that most drilling rigs have a hard time compensating for the weight of the top drive while making up or breaking out connections. On a high torque connection There is an additional torque shoulder/mechanical stop at the end of the pin and back of the box. Regulars continue to be the connections for BHA components, even though they are inferior to NCs of the same bending strength ratio because they have a sharper root radius. 5.5 Drill Pipe Range II - HT55 Connection. Quality production Process Monitoring, traceability, and inspection is our mindset when it comes to assuring long-lasting drill pipe is delivered to our customers. 0000058158 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. The DS series incorporates precision preloaded dovetail slides with an 80 TPI drive screw for precision positioning, hex head . If it is then you will see stretched pin threads and belled boxes. 0000023284 00000 n 0 0000087264 00000 n However, here we shall mention only API drill pipe Specifications only for thread types, but we will give you simple introduction to other thread types.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'drillingmanual_com-large-mobile-banner-1','ezslot_14',640,'0','0'])};__ez_fad_position('div-gpt-ad-drillingmanual_com-large-mobile-banner-1-0'); In 1968 NC connections were introduced by API to cover a multitude of needs from macaroni tubing to 12 inch drill collars. Connection: XT39; Compatible With: OD: 4 7/8" (4.875") ID: 2 11/16" (2.688") Adjusted Weight: 16.46 lb/ft; Average Length: 31.5 ft; Add To Quote Download Full Spec Sheet. With regularly scheduled field inspections of your bottom hole assembly that includes minor repairs to threads and seals there is no reason why a string of drilling tools shouldnt last until the drilling program is complete with minimal rejects. Solving Problems. 4 0 obj Keep in mind for example a 4 1/2XH pin like the one bellow has over 4 meters worth of threads if they were stretched out. They come in differentshapes and sizes from the many competing factories. In general, D/Ps joints are available in three length ranges: API Drill Pipe Specifications (specs) is generally described 6 items. Choose the Dynamic IP Address option from the WAN Settings pull-down menu. 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. 0000113251 00000 n The GPDS and EIS connections greatly extend the life of the joint by tolerating more OD wear because of increased torsional capacity. I do not file seals but I do dress seals using a file wrapped with emery cloth to remove minor raised galls. <>/XObject<>/Pattern<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 595.32 841.92] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> All rights reserved B.H.A. This secondary torque shoulder is not a seal. 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. As the pin and box connections are being screwed together in theory there should be no weight or tension on the connection. Allows drill pipe with a minimum wall thickness of 55% with all wear on one side. However, the 5 1/2 FH was officially resurrected about 10 years later. The GPDS and EIS design also provides a true flush ID through the mated tool joint assembly. These rates are pretty well what I see on all the rigs I do inspections for on a regular base. hSN@WU2x.B*liTX&Hd$I].cya%P However, this is not as bad as it seems, since in drill collars PACs rarely survive tensile and torsional loads long enough to fail by fatigue anyway. Thanks, Background Gas In Drilling Oil & Gas Wells, D Exponent Calculation & Correction Equation, Drill Pipe API Specifications, Thread Types &Tables, Cementing Calculations- 7 Steps & Spreadsheets. These premium connections have the same thread profile as the corresponding API connections. 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. 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 . endstream endobj 129 0 obj <>stream As new drill pipe is rotated in the hole it wears and, therefore, it must be reclassified according to its wear. Thread stretch is a normal part of making up any rotary shoulder connection as long as the point of elasticity is not passed. Loading Originals. stream 5,295 were here. You don't want an unexpected shoulder separation and an uncontrollable leak when drilling a deviated well.. 127 0 obj <>stream 1 0 obj 0000057605 00000 n I refaced a total of 67 seals. endobj There are no suggestions because the search field is empty. Threads also see a lot of minor damage from mishandling and depending on the location and severity of that damage in many easily be repaired. 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). eY.{=o;N2Y,T,4 B i>=^^rV6_EOUj?-oZP.p>nu4k#J+JXcw;!qbZ[:@|hRccM5s/?7?+o]ek_G|t`k09sdFh^ 9OfBHQ)BpPfr%f:fI'x'-F BSCGi+{t_ Access multiple NOV applications and services with one login. 0000113309 00000 n - Be LIBERAL with the thread compound in the box, the base of the box, and on the pin using a copper-based or a compatible thread compound. )2ah2B0vYL]7:`P2pwnPUAXeR=TXK;:%-YyGK~=fOvmK3Jtb%(7nlJ`sy4%=[ PDF DP/LS Performance Sheet - Workstrings International AC3000 High Power Wi-Fi Tri Band Router. Cleaning and Transporting Your Scanner. The first is that with the use of mud motors right from surface almost all the rotary and bending stresses have been removed from the drill string and you do not see the metal fatigue in the form of critical damage like cracks and internal sharp bottom transverse pitting rings you used to with conventional rotary drilling. the NC-38 a GPPD of 3.80800 inches and so on. %PDF-1.7