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. endstream endobj startxref Management. This did a great deal of damage and caused many washouts. %PDF-1.7 0000009508 00000 n . All Full Hole connections were made obsolete by API in 1968, to be superseded by NCs. 4 threads per inch (.250 lead) . They are the load flank and the stabbing flank. With print speeds as fast as 8.9 seconds and a unique roll-fed printing method, the DS40 can print up to 400 4"x6" prints before a media reload is . 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. The rule for refacing rotary shoulder connections is to remove not more than 1/32 inch(.031) from a pin or box seal at any one refacing and not more than 1/16 inch(.062) cumulatively. 0000058062 00000 n It is an NC pin with a rounded-out thread ank that gives a root radius of 0.057 inches (compared to the NCs 0.038 inches). 2 0 obj l Notices. Contact Support. 0000113102 00000 n 0000087289 00000 n Also not all threads are engaged when the connection is made up. PACs are also the only connections that still use the fatigue prone V-065 thread form that was discarded by everyone else in 1968. 0000000016 00000 n Removed 11 cracked drilling tools from service. Since downhole stress can be additive to makeup stress, PAC connections are that much closer to failure even as they pass through the rotary. 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. Tool joints are mainly screw-type connectors that join the individual joints of D/P. It is much less susceptible to shock and vibration than bearing stages. I refaced a total of 47 seals. Can we screw type A together with type B, etc.? Flexible exhaust connection EPA certified engine Generator NEMA MG1, IEEE, and ANSI standards compliance for temperature rise and motor starting However, the 5 1/2 FH was officially resurrected about 10 years later. One the world cant live without. 0000087264 00000 n The longer internal secondary shoul-der on the nose of pin provides additional torsional strength. SST boxes are identical to NC boxes of the same size. 0000013758 00000 n 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). Yet, this applies to the pipe, and NOT to the connections. - Ensure 360 DEGREES of coverage of the threads and torque shoulders. uGPDS connections are interchangeable with GPDS and API connections of similar size. 0000097048 00000 n The service provider assigns a global IP address from a pool of addresses available to the service provider. 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. 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. GPDS and and EIS are not interchangeable with each other. 780 0 obj <> endobj 58 0 obj <>stream endobj 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}. 0000086109 00000 n 884 0 obj <>stream 0 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. One the world cant live without. Torque advantage over API and runs easier than the competition, providing the optimum solution to reach total depth as fast as possible. See the list below for thread types that can be used together. In this post I will deal with the drill string connections only. They come in different shapes and sizes from the many competing factories. 1 0 obj They were originally a proprietary product of Hughes Tool Company and are easily recognized by their shallow 90 degree thread angle. Lower cost of ownership. 5,295 were here. sz}KTnG_hFxm; =TbuxW.eqzxiy})8uXvBVv|iZJ%RsGv*CEPOBmCOxJ60zJM%J c9jh]t7gCt{VSc 0000057331 00000 n The GPDS and EIS connections greatly extend the life of the joint by tolerating more OD wear because of increased torsional capacity. Non-API Drill Pipe Connection Thread Types H-90 Connections 2. 35 likes. - Ensure 360 DEGREES of coverage on the seal surfaces . 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. xref Scanning. 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. 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. -)WQg@bf? @F/P)A$9L[1 On the other hand there were inspection companies in the past that used a grinder with a soft disc on it to flatten galls and polish seals on a regular base. Largest supplier of lacrosse equipment in Mid-Michigan. Makeup Torque Guidelines - Good COPPER-BASED thread compound is recommended for rotary-shouldered drill pipe connections by the OEM. Command Tubulars CET and CDS connections offers technically advanced solutions for even the most demanding drilling conditions. High-strength connections designed for demanding drilling applications. You may delete and block cookies from this site, but parts of the site may not function as a result. 0000088212 00000 n if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'drillingmanual_com-large-mobile-banner-2','ezslot_15',641,'0','0'])};__ez_fad_position('div-gpt-ad-drillingmanual_com-large-mobile-banner-2-0');The number preceding regular in the name (in, for example, 6-5/8 Regular) refers to the drill pipe size on which the connection was originally to be (but is no longer) used. 0000009762 00000 n DIR-2640-US. 0000010031 00000 n endobj Downloads. 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. 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. AC2600 High Power Wi-Fi Router. 802.1X. Therefore, in this article we shall discuss API drill pipe specifications (specs), description, classification & drill pipe connection thread types. 5 Drill Pipe Range II- VX46 Connection. DT connections are double shoulders connections with API thread pro les. You can see the threads are all pushed back towards the seal signifying there has been to much weight put on the connection when being spun in and out. 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. That rule shouldnt be taken literally and the minimum amount of material should be removed in a single refacing. 0000097810 00000 n Our goal is, quite simply, to connect the lesbian community worldwide. You may delete and block cookies from this site, but parts of the site may not function as a result. 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. The stabbing flank on the other hand does not come into contact with its opposing stabbing flank when made up, there is actually a space to channel away excess thread compound and debris while the connection is being made up (Rotary shoulder connections do not seal in the threads). 0000057067 00000 n Our expansive network of licensed repair, Supporting our customers is our highest priority, and we look forward to partnering with you today, Our licensed repair facilities provide 24/7 service and technical support around the globe for. 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. endstream endobj 5 0 obj <> endobj 6 0 obj <>/ProcSet[/PDF/Text/ImageC]/XObject<>>>/Rotate 0/Type/Page>> endobj 7 0 obj <>stream Some examples are: Most premium connections have a double shoulder. 4 55 Also you can see there was no original damage to the load flank it was all on the stabbing flank showing the previous damage was caused by too much weight on the connection at make up or break out. 0000113012 00000 n 0000088143 00000 n 0000001728 00000 n For more information on the DS-40, visit: http://bit.ly/2CYTMgg Show more Show more Epson WorkForce. 0000097360 00000 n The DS series incorporates precision preloaded dovetail slides with an 80 TPI drive screw for precision positioning, hex head . 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. 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.

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