These problems include buckling, fatigue, collapse, and explosion. The issue of torsion was identified, along with the indicators of torsion occurrence and its causes. The research also discusses...
Fiber breakage can damage the mechanical performance of composite materials . During impact tests, the impactor shape affects the fiber breakage; for example, when the specimens are impacted
1. A liner drilling and well completion process, characterized in that: after technical casing cementing;(1), liner drill string connection; including kelly (23), drill pipe (24), rotary liner hanger (25) for drilling and
Due to the excellent performance of carbon fiber-reinforced plastic (CFRP), it is used more and more widely in the form of pipe and shaft parts. In order to reveal the formation mechanism
Here are some common causes of fiberglass drill pipe damage in offshore and onshore operations. Excessive external and internal pressure, like high mud rate,
Fracture failure reasons and mechanism of Ni-plating S135 drill pipe are explored. The failure of drill pipe occurs frequently in oil and gas wells and seriously affects the safety and efficiency
It includes sheets on tensile overload, brittle fracture, and torsional overload failures of drill pipes and tool joints. Each sheet describes the failure, contributing factors,
This document contains a handbook on common drill string failure mechanisms with data sheets on specific failure modes. It includes sheets on tensile overload,
The aims of most of published papers are to examine how and why a specific drill pipe is failed and just the main reason of failure for that drill pipe is discussed in detail.
Drillstring fatigue failure is the most common and costly type of failure in oil/gas and geothermal drilling operations. The combined action of cyclic stresses and corrosion can shorten the
Abstract Drill pipe failure during horizontal directional drilling is a common occurrence nowadays. Drill pipe, a common tool in the drilling process, plays an important role in the
Given the severe vibrations and abnormal wear experienced by drill pipes under complex working conditions, a three-dimensional finite element model of drill pipe joints was developed.
Learning common causes of drill pipe damage will help you hone in on why thread protection products are so important for your business.
The fatigue life of drill pipe is a vital factor affecting the drilling process and safety, while severe fatigue failure of drill pipe under the condition of high temperature containing hydrogen
pipeline optical cables are prone to various faults that can disrupt communication networks. Damage to the fiber optic cable, fiber breakage, connector issues, fiber splice problems,
The drill pipe is a steel pipe with a threaded tail, which is used to connect the surface equipment of the drilling rig and the drilling and grinding
Advancing the Drilling Industry Alert 01 – 18 Tail Rope and Drill Pipe Incident WHAT HAPPENED: While tripping pipe into the hole, a rotary helper''s shoulder was injured while he was
Frictional force can create the pipe to resist during pullback, which can cause the pipe to stretch or break. This is can be created by the following.
Recently, the first titanium alloy drill pipe failure accident occurred during the drilling of an ultra-short radius horizontal well in China, physical and
Understanding Drill String Fatigue Drill string fatigue refers to the progressive degradation of drill pipe materials due to repeated cyclic stresses. Each rotation during drilling subjects the drill
Studies show that fatigue in drill pipes, which manifests as joint-thread fracture, pipe fracture, welding-line fracture, and other symptoms, accounts for more than 80% of drill pipe failure in
Fibre metal laminates (FML) are significantly adopted in the aviation industry due to their convenient combination of specific strength, impact resistance and ductility. Drilling of such materials
This work is novel in its detailed analysis of delamination, fiber pull-out, and surface fluffing using HSS drills. The results reveal significant
The result shows that the cause of failure on the thread drill pipe was due to fatigue failure. It showed by the presence of microcracks, which
This paper investigates how tool geometries and process conditions influence fiber pull-out formations, drilling forces, and hole quality parameters during the drilling process of quasi
Although natural fiber composites have been extensively studied, the effects of drilling parameters on hybrid composites, particularly those reinforced
The failure of a 101.6 mm drill pipe was studied by combining experimental testing and finite element simulation. The macro analysis,
Twistoff Pipe failure as a result of twistoff occurs when the induced shearing stress caused by high torque exceeds the pipe-material ultimate shear stress. In vertical-well drilling,
In this paper all metallurgical and mechanical aspects of failure that can occur for a drill pipe, are considered and discussed. And finally, this comprehensive review leads to a conclusion
Failure analysis of the drill pipes and drill bits were presented in this review article in order to understand the downhole drilling conditions and determine the factors causing these failures.
The failure of drill pipe occurs frequently in oil and gas wells and seriously affects the safety and efficiency of drilling operations. Therefore, th
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