ds40 thread connection
3 0 obj 0000087264 00000 n Environmental Topics and Definitions Applicable to NOV, We Power the Industry that Powers the World. Team uniforms and spirit wear. 5.5 Drill Pipe Range II - HT55 Connection. Best practices for running and handling to properly care for and maintain your Grant Prideco drill, Supporting our customers is our highest priority. 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). Uniform wear and a minimum wall thickness of 80% of original wall thickness. 0000113309 00000 n 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. Welcome to the new VAM Services website! Open the Device menu and select Quit. 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. If it is then you will see stretched pin threads and belled boxes. I completed a total of 12 inspections which resulted in the inspection of 166 6 1/2drill collars and miscellaneous subs and 430 4 (DS40) hevi-wate drillpipe. 0 As the grade (minimum yield strength) increases the actual weight increases because the upset has more metal in it. In normal situations the thread wear would show a rounded thread crest and uniform wear. %%EOF endstream endobj 129 0 obj <>stream In order for this to work the thread profiles need to match each other. It is simply an NC connection with an additional torque shoulder at the pin tip. 1 0 obj 0000112877 00000 n In general, D/Ps joints are available in three length ranges: API Drill Pipe Specifications (specs) is generally described 6 items. Also the heavier the drilling tool the more severe the damage, drill collars and hevi-wate drill pipe seeing the most thread damage. Our family of companies is organized to provide expert solutions, equipment, and operational support to optimize your drilling and production operations. The GPDS and EIS connections increased torsional strength enables tool joint dimensional optimization more suitable for the pipe body torsional strength. They are manufactured with a proprietary thread designed to prevent unwanted back-off failures. With millions of feet of drill pipe using Delta connections in the field, hundreds of wells drilled on land and offshore, and hundreds of thousands of individual connection inspections confirming its ruggedness, Delta is able to benefit your drilling operations while lowering your cost of ownership. 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. At the same time, API declared that the IF and Full Hole (FH) lines were obsolete. They are the load flank and the stabbing flank. 5 Drill Pipe Range II - NC50 Connection. hb```b``f`f``dcd@ AV Hd1sR$I>:5Ox,TdxL~8cS Ghsu2_kGP#o API Drill Pipe GradeMinimum Yield Strength (psi)Minimum Tensile Strength (psi)E-7575,000100,000X-9595,000105,000G-105105,000115,000S-135135,000145,000. Yet, this applies to the pipe, and NOT to the connections. NC means Numbered Connection and the number signifies the Gauge Point Pitch Diameter (GPPD) of the connection. 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. '7b/m~'r)':`oQg8oG3y5 There is no apparent reason (except tradition) for their continued use, since superior NCs exist for most all applications. For example, a 5 drill pipe can be described as 5, #19.5, E, XH, NC50, Premium. 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. 780 0 obj <> endobj Contact your Grant Prideco representative for hydraulic-optimized configurations and for further OD and ID combinations. % All Full Hole connections were made obsolete by API in 1968, to be superseded by NCs. 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. Configurations in the below table are torque optimized. 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. 0000087677 00000 n Join our global family and become part of the company thats leading innovation within the upstream oil and gas industry. 0000087702 00000 n Faster drilling. <]/Prev 117280>> 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. 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. 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 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 . 0000096759 00000 n Access multiple NOV applications and services with one login. That is a refacing rate of about 2% and reject rate for machine shop recuts due to mechanical damage of less than 1%. 3 0 obj DT connections are double shoulders connections with API thread pro les. %PDF-1.6 % 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. % Example 1) I inspected the drilling tools including drill collars, hevi-wate drillpipe, subs and miscellaneous directional tools on a rig drilling horizonal wells in the Edson and Hinton area between August of 2015 to December of 2020. 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. Custom screen 0000112758 00000 n 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. This secondary torque shoulder is not a seal. 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. 0000009762 00000 n 0000009889 00000 n Example2) I inspected the drilling tools on this rig drilling horizontal wells in the Edson and Hinton area between August of 2017 to April of 2021. 0000088143 00000 n The actual weight of the 5 D/P in the above example is 20.89 lb/ft. 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 Before you try to screw different connections together, do the following. 0000086109 00000 n -)WQg@bf? @F/P)A$9L[1 I have been repairing minor seal damage like this for over 30 years without issues. In summary, the Delta connection offers: With a deep stab in, more threads engaged through spinning, and a reduced tong-free length on the box tool joint OD, the Delta connection is as easy to run as an API connectiona sentiment confirmed by rig crews we visited. 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). They offer good clearance, but often at the price of alarmingly low tensile and torsional capacity. 0000005964 00000 n endstream endobj 5 0 obj <> endobj 6 0 obj <>/ProcSet[/PDF/Text/ImageC]/XObject<>>>/Rotate 0/Type/Page>> endobj 7 0 obj <>stream 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. DIR-2640-US. 0000009635 00000 n I do not file seals but I do dress seals using a file wrapped with emery cloth to remove minor raised galls. As is common for all threaded connection types, RSC's are designed with a single purpose in mind, namely drilling. What might come as a surprise to many is that no API RSC is pressure rated with regards to gases and liquids. bKun"`e7{8+;Z ?m dv%S. 0000097048 00000 n AC2600 High Power Wi-Fi Router. They were originally a proprietary product of Hughes Tool Company and are easily recognized by their shallow 90 degree thread angle. 0000002034 00000 n 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. To accept cookies from this site, please click the I Accept button below. Rejected a total of 1 hevi-wate drillpipe for excessive thread or seal damage. hbspt.cta._relativeUrls=true;hbspt.cta.load(464779, '6ec4f243-a5b8-4786-85c2-c055297acb25', {"useNewLoader":"true","region":"na1"}); Topics: sz}KTnG_hFxm; =TbuxW.eqzxiy})8uXvBVv|iZJ%RsGv*CEPOBmCOxJ60zJM%J c9jh]t7gCt{VSc DS-40 User's Guide. That means that they have an extra torque shoulder in the nose of the pin and in the bottom of the box. The user is fully responsible for . All TSC API grades meet or exceed the standards. In all the years I have inspected drilling tools I have never seen a seal that has been filed cause washouts. You may delete and block cookies from this site, but parts of the site may not function as a result. Some examples are: Most premium connections have a double shoulder. the NC-38 a GPPD of 3.80800 inches and so on. There are 17 NC connections with pitch diameters ranging from 1.1/16 (NC-10) to 7.3/4 inches (NC-77). 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. Lower cost of ownership. 0000001728 00000 n Contact Support. 0000112799 00000 n If there is space enough for a secondary shoulder in the API box, this can be a solution. The double shouldered pin secondary torque shoulder runs out without shouldering in the back of the API box connection. 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 CDS connection can be made up with API numbered connections and some other available double shoulder connections. - Ensure 360 DEGREES of coverage of the threads and torque shoulders. 0000086746 00000 n I won't be talking about connections for casing or tubing. Command Tubular supports all of its connections around the world by providing quality support, local licensees for repair and accessory manufacturing. Each joint of drill pipe consists of the tube body and the Tool Joint (connection). 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. Specifications: Select a Size Connection Loading. However, the 5 1/2 FH was officially resurrected about 10 years later. hR[k0+y^U[(j/LHldh#1wna$$4%.1'CaAwP)=0vfh"?"|v`}1bDc=E" &}NL ]/SM2{UEtuJj6f:&82&lNfptq2-z]UDLI_j;JYyXs/c[Qq585=Vt #Dk7)a43_ In engineering, delta indicates the degree of difference. 0000097385 00000 n 0000097810 00000 n Access multiple NOV applications and services with one login. Services. 0000057580 00000 n RSC's can endure high pressures under favourable conditions.
ds40 thread connection