Working Performance Analysis and Optimization Design
failure rate and rig maintenance costs. It is embodied in the following respects: 2.1. Drive Key Wear The torque of rotary drilling rig power head transmit to drill pipe mainly through power head drive key Èand transmit to drill tool through drill pipe for drilling. When rotary drilling rig works, the rotary drilling Why are drill pipes important in the drilling industry?Although the drill pipe is a simple tool in the drilling industry, it is the most used and important one. Drill pipes make a significant portion of the drillstring. While working, complex loadings such as tension, compression, torsion, bending, hydrostatic pressure and vibrations are acting on the drill pipe.See all results for this questionWhere do you find a drill pipe failure?Failures commonly can be seen on four places of a drill pipe: at the threaded connections, on the inside surface of the drill pipe, on the outside surface of the drill pipe body and the upset area. The drillstring failure has two general forms: wash-out and twist-off.See all results for this question
What kind of failure does a GRP pipe have?
A rupture to the pipe wall where the material tears and creates an opening in the pipe wall. This form of failure is ductile in nature GRP Steel Associated with or during tapping Failure of the pipe by a perforation through the wall adjacent to the tapping saddle or a longitudinal split and blow out.See all results for this questionWhat causes a hole in a drill pipe?Burst or collapsed drill pipes, caused by excessive internal or external pressure, such as a high mud rate. Drill pipe fatigue, typically seen as microcracks, macrocracks, and fractures in the drill string and piping. Fatigue is most often caused by some combination of cyclic stresses and corrosion.See all results for this questionUS20120090898A1 - Method for cleaning oil from drill failure analysis of drill pipea review sciencedirect Hole drillingThis application relates to an apparatus and method for cleaning drill cuttings recovered from a wellbore. Specifically, the apparatus includes an effective system for handling and washing drill cuttings at a well site to remove hydrocarbon contaminants. The system successively washes hydrocarbon contaminated drill cuttings in organic solvent and water to remove and recover the hydrocarbon failure analysis of drill pipea review sciencedirect Hole drillingSome results are removed in response to a notice of local law requirement. For more information, please see here.
US20110315261A1 - Labeled drill pipe - Google Patents
US20110315261A1 US12/801,734 US80173410A US2011315261A1 US 20110315261 A1 US20110315261 A1 US 20110315261A1 US 80173410 A US80173410 A US 80173410A US 2011315261 A1 US2011315261 A1 US 2011315261A1 Authority US United States Prior art keywords drill pipe tube bar code tool joint opposite Prior art date 2010-06-23 Legal status (The legal status is Thermal Aspects in Deep Hole Drilling of Aluminium Cast failure analysis of drill pipea review sciencedirect Hole drillingparticularly in deep hole drilling operations, to substitute the common emulsion coolant [2-5]. The combination of the long machining time, the internal working zone and the reduced cooling performance of the MQL induce high thermal load into the workpiece and can cause insufficient borehole quality and process failure. On the one hand the failure analysis of drill pipea review sciencedirect Hole drillingTechnical and Economic Evaluation for Wire-line Coring Drilling project has the characters of high risk and cost. Conduct economic research technology in drilling project helps to know the economy in different method directly. Ye-wu sag area in Henan is rich in salt resources, due to the stratum feature; oversize of hole is commonly in exploration drill projects.
Simulation Technology in Failure Analysis of Drill Pipe failure analysis of drill pipea review sciencedirect Hole drilling
Jan 01, 2011 · Drill pipe failure accidents often occur in oil exploration and development process, especially in transition zone position. With the help of ANSYS software, established the analysis model based on the structure of drill pipe, and analyzed the stress state of the transition zone position.Cited by: 13Publish Year: 2011Author: Liu yonggang, Li Fangpo, Xu Xin, Yang biyu, Lu caihongScientific Method Applied to Failure Analysis on failure analysis of drill pipea review sciencedirect Hole drillingSelection and peer-review under responsibility of the scienti c committee of SAM - CONAMET 2013 doi: 10.1016/j.mspro.2015.04.055 ScienceDirect International Congress of Science and Technology of Metallurgy and Materials, SAM - CONAMET 2013 Scientific Method applied to Failure Analysis on Engineering ComponentsRoot Cause Analysis of Dimensional Tolerance and failure analysis of drill pipea review sciencedirect Hole drillingApr 19, 2018 · Sajad Mohammad Zamani, Sayed Ali Hassanzadeh-Tabrizi, and Hassan Sharifi (2016) Failure analysis of a drill pipe: A review. Volume 59, January 2016, Pages 605-623.  Yevhen Kovalyshen (2014) Understanding root cause of stick slip vibrations in deep drilling with drag bits.
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Jan 23, 2017 · Managed a team of QAQC Inspectors and Failure Analysis technicians for MWD & Directional drilling downhole tool systems Oversees, maintains, improves and represents the companys ISO failure analysis of drill pipea review sciencedirect Hole drillingTitle: QHSE Manager, MWD Location: Katy, Texas, United States500+ connectionsNumerical Study of Forward and Backward Whirling of Drill failure analysis of drill pipea review sciencedirect Hole drillingSep 07, 2017 · This work presents a numerical investigation of the undesired lateral vibrations (whirling) occurring in drill-strings, which is one of the main sources of losses in drilling applications. The numerical studies are conducted using a nonsmooth lumped parameter model, which has been calibrated based on a realistic experimental drilling rig.Investigation on impact absorbed energy index of drill failure analysis of drill pipea review sciencedirect Hole drillingDec 01, 2020 · Drill pipe failure modes include oval-shaped piercing and slot piercing. There is correlation between the length of piercing hole and drill pipes impact absorbed energy. The impact absorbed energy index calculation formula for drill pipe is proposed. The impact absorbed energy value of S135 steel drill pipe should greater than 80 J.Author: Fangpo LiPublish Year: 2020
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Jun 26, 2009 · The reverse cutting drill bits are kinda hard to find, anywhere a machinist shops will carry them, harbour freight might even have them. They cut in the opposite direction as normal bits requiring you to reverse the drill direction. very usefull when dealing with your type of problem. the action of drilling the head of a bolt or screw or the broken tool you have with a normal drill bit will failure analysis of drill pipea review sciencedirect Hole drillingGuided earth boring tool (Patent) | OSTI.GOVAbstract. A controllable tool for drilling holes in the earth is described comprising a hollow elongated rigid supporting drill pipe having a forward end for entering the earth, means supporting the drill pipe for earth boring or piercing movement, including means for moving the drill pipe longitudinally for penetrating the earth, the drill pipe moving means being constructed to permit failure analysis of drill pipea review sciencedirect Hole drillingFinite Element Modeling of Slip Insert Geometric Grip failure analysis of drill pipea review sciencedirect Hole drillingDrilling is being used to access ever-deeper oil and gas reservoirs, thereby presenting various challenges to the design and operation of down-hole tools. Slip inserts are suspension devices that are used to lower the drill pipe into the borehole and lift it to the wellhead, and their performance determines the extended depth of the borehole. In this paper, based on the field and laboratory test of the slip system, parameter sensitivity analysis is applied to the performance of a slip insert to guide the design of the latter. First, See more on hindawi failure analysis of drill pipea review sciencedirect Hole drilling