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. 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. It is my experience that the majority of seal damage is usually much less than .031 deep allowing for several refacings. More information about cookies and your choice can be found in our Privacy Policy. 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. 1 0 obj 0000033645 00000 n j[wS}`O*moP]j~MJlHF}B~ a@`3EbpQ2=E'f= #>l3QC"~5: #),C`a`a`aEb47}$5>r=II}D/DC$!O }hA4Ok_?p 0 67 0000097360 00000 n % 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. ?m dv%S. The user is fully responsible for . 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. All TSC API grades meet or exceed the standards. hbbd``b`]$7 x $ K@JHu3012c`aQbh^ This provides a bigger shoulder area, thus allowing a higher makeup torque. Rejected a total of 12 subs (mostly saver and drill thru subs), 3 drill collars, and 5 hevi-wate drillpipe for excessive thread or seal damage. endobj Only comedy club in town with the nation's top comedians PROVEN to make you laugh! 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. 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. rMD`i1yL+GW;pV{}M>T]^TO%Kec Z;fttQSJrVj v4[T]_>O(AzzZ+VDjSM2"u~6~a~ C_L0V]?6u]QUSeyHVU>}S?rmVX'|, \yMDmjh9S+};zYfDu2o2c9Enu|/b{nA/*ed3cFIDe4. endobj The load flank which once the connection is made up takes all the load along with the torque shoulder(s). 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. 0000009635 00000 n This is a patented design for tool joint pins. INSPECTION SERVICES LTD. Join our global family and become part of the company thats leading innovation within the upstream oil and gas industry. Fitting Type: Pipe Medium: Iron Pipe, Plastic Pipe Fitments: NPT, BSPT, BSPP, NPS National Pipe Taper Railing - NPTR up Printer-friendly version On the pin the first three or four starting threads and the final two threads near the seal and on the box the first two threads near the seal and the last three or four vanishing threads at the back of the box are not engaged (high torque connections designed with less thread taper have more engaged threads). About this Guide. Our award-winning DS40 is a compact, affordable and powerful digital photo printer that uses a high-resolution dye-sublimation processor to produce photos with impressive full-color details. 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 Solving Problems. What might come as a surprise to many is that no API RSC is pressure rated with regards to gases and liquids. / 0000009762 00000 n Do you need to talk with drilling experts and have a free consultion? 0000002034 00000 n With more relaxed inspection criteria and 50% more opportunity to reface the connection, Delta shows a very low recut rate and requires 30% less material to recut the connection. 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. Dlink DSL-2640B routers include a very basic firewall that helps protect your home network form unwanted access from the internet. size nominal weight (lb/ft) grade connection range wall thickness (nominal) remaining body wall od (tool joint) id (tool joint) drift (tool joint) 5-1/2" Available drill pipe, heavy-weight drill pipe and collars in all sizes from 2 3/8-12.drillstrings and frac strings. In all the years I have inspected drilling tools I have never seen a seal that has been filed cause washouts. Below are photos of a DS40 pin connection that I completed minor repairs on and then was subsequently used to drill four horizontal wells. When evaluating the condition of a seal I use API and manufacturers standards as to the acceptability of the seal and when to reface the seal if required. 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. High-strength connections designed for demanding drilling applications. 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. 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}. That is a refacing rate of about under 10% and reject rate for machine shop recuts due to mechanical damage of under 1%. 0000086771 00000 n 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. 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. Allows drill pipe with a minimum wall thickness of 55% with all wear on one side. EPI is a tax-deductible U.S. 501 (c) (3) nonprofit charity. 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. Services. 0000113251 00000 n Tool Joint / Connection Specifications. <>/Font<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Faster drilling. stream API Drill Pipe GradeMinimum Yield Strength (psi)Minimum Tensile Strength (psi)E-7575,000100,000X-9595,000105,000G-105105,000115,000S-135135,000145,000. I do not file seals but I do dress seals using a file wrapped with emery cloth to remove minor raised galls. 0000112599 00000 n 0000005964 00000 n Both connections can be configured with a smaller OD and larger ID compared to standard API connections, contributing to improved hydraulic performance. In addition to industry API tool joint connections, Command Tubular offers its advanced CET and CDS proprietary high torque double shoulder connections when higher torque is needed. 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. This gives torsional capacities 40-60 percent higher than the original NC. 4 55 2 0 obj 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. Whenever I start scanning, the software EPSON scanner works fine but it will . hSN@WU2x.B*liTX&Hd$I].cya%P FAQs. The GPDS and EIS design also provides a true flush ID through the mated tool joint assembly. 0000113012 00000 n 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. 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 Oct 8, 2012. The API has established guidelines for drill pipe classification classes in API RP7G. Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM) Access Control Lists (ACLs) Bidirectional Forwarding Detection (BFD) Border Gateway Protocol (BGP) DPM-DS pin and box connection made up to a smooth bore, without gap or change in ID transition at the secondary make-up shoulder. Non-API Drill Pipe Connection Thread Types H-90 Connections SST boxes are identical to NC boxes of the same size. endobj 0 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. Odfjell Technology is an international well service company, providing world class TRS, rental and well intervention services worldwide. Tests by the developer show improved fatigue performance for SSTs. Products TSC's Drill Pipe product range includes sizes from 2-7/8" diameter pipe to 6-5/8" diameter pipe. 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. 0000088304 00000 n Flexible exhaust connection EPA certified engine Generator NEMA MG1, IEEE, and ANSI standards compliance for temperature rise and motor starting - Ensure 360 DEGREES of coverage on the seal surfaces . One the world cant live without. 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 . For example. . That means that they have an extra torque shoulder in the nose of the pin and in the bottom of the box. MTU 4R0113 DS40 Diesel Generator Set 40 kWe/60 Hz/Standby/208 - 600V Reference MTU 4R0113 DS40 (40 kWe) for Prime Rating Technical Data . Pipe Weight:20lb/ft (29.76kg/m) 0 Upset: IEU Connection: Makeup Torque Then Tension Chart Connection Wear Chart 26,600 DRILL PIPE PERFORMANCE DATA SHEET DS40 CONNECTION OD (mm) MAKEUP TORQUE (N-m) 128.6 Calculations are based on uniform wall thickness and outside diameter - no safety factor has been applied. 8aeZH PjAN% s|Tr"D|ax:h w NXC?NGXP@{f*$L@wEyWg{\k~c]XIGU1j+\gBD[ lPthp8. 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. 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. 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. With the same outside diameter and inside diameter, our DT connection torque capacity is about 40% higher than the API connection. ` That rule shouldnt be taken literally and the minimum amount of material should be removed in a single refacing. hbspt.cta._relativeUrls=true;hbspt.cta.load(464779, '6ec4f243-a5b8-4786-85c2-c055297acb25', {"useNewLoader":"true","region":"na1"}); Topics: The minimum OD varies with what grade and weight the drill pipe is. These are single shoulder connections: They only have one torque shoulder on both pin and box. Yet, this applies to the pipe, and NOT to the connections. 0000057067 00000 n <> On a high torque connection There is an additional torque shoulder/mechanical stop at the end of the pin and back of the box. xref GPDS and EIS are not interchangeable with each other. <>>> endstream endobj startxref Grant Prideco Double Shoulder and EIS connections offer enhanced performance and interchangeability with API rotary-shouldered connections. If they do, take care to use the makeup torque values for the weakest connection. The CDS connection can be made up with API numbered connections and some other available double shoulder connections. As the pin and box connections are being screwed together in theory there should be no weight or tension on the connection. 0000009508 00000 n At Odfjell Well Services we constantly hear from people who ask us why certain drill pipes don't go together. 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. In these scenarios the API box typically has a bore back (BB). <> 0000087677 00000 n endobj These rates are pretty well what I see on all the rigs I do inspections for on a regular base. 1 0 obj Athlete's Connection/Teamlax, Lansing, Michigan. Thread Type Compatibility In order for two components to fit properly, thread types must be compatible. - Ensure 360 DEGREES of coverage of the threads and torque shoulders. x}[se%r,TN94)QyQ6$h}~F5>WW/=}b`FV>Oo>Qz8l ydjPD=dpGop&1_;c!o^CeCN?>}A&5+ A=}g8}  .?B>y~;A VQidaeyt#.#vWW/3MqqCw 3str{Oz\igxKwx6H'J'Gqp1Qp'4>ajZFdcFMq0w.e^WZe~,LG[?4`. >s. 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. Get help by chat, email or phone. The API bore back box stress relief feature is standard for the box connection on Heavy Weight Drill Pipe with NC38 and larger connections, helping to extend the service life of the connection; Cold rolling the thread roots on all Heavy Weight Drill Pipe connections increases the connection's ability to resist fatigue cracking; Top drives are several times heavier than the old rotary table rigs swivel and kelly bar. The longer internal secondary shoul-der on the nose of pin provides additional torsional strength. 0000013758 00000 n This did a great deal of damage and caused many washouts. I refaced a total of 66 seals. Scanning. View Your Quote. The machine has USB 3.0 and the latest driver is downloaded from EPSON website which is compatible with Windows 10 64-bits. Environmental Topics and Definitions Applicable to NOV, We Power the Industry that Powers the World. Premium connections Premium connections are like cell phone chargers. As the most balanced drill pipe connection we have ever put to market, Delta offers a cost of maintenance comparable to that of an API connection while providing improved performance. 4 threads per inch (.250 lead) . 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. This process of opening a port is frequently called a port forward, since you are forwarding a port from the internet to your home network. hb``d``E01%%$QM(f`dg2e|d1C3Xfc0y;Pn7[1KQ0D04(?``8!un>7@FCOD 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. There are no suggestions because the search field is empty. As new drill pipe is rotated in the hole it wears and, therefore, it must be reclassified according to its wear. 0000001728 00000 n startxref The actual weight of the 5 D/P in the above example is 20.89 lb/ft. As the grade (minimum yield strength) increases the actual weight increases because the upset has more metal in it. Scanner Basics. 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. Besides, the dimensions (diameter and length) of the secondary shoulder need to allow it. This improvement is achieved at higher cost, reduced availability and sacrificed field repairability. 0000057605 00000 n %PDF-1.6 % endstream endobj 128 0 obj <>stream 2 0 obj There is no apparent reason (except tradition) for their continued use, since superior NCs exist for most all applications. 3 0 obj The D/P is inspected periodically to detect cracks, pits,reduction in wallthicknessandother defects.

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