Improvement of the operational efficiency of double shoulder tool joint of drill collars
The need to design new drilling equipment. The analyzed existing options for solving the problem solve it to some extent. To eliminate them, it is proposed to use elastic elements (ring springs) in the construction of double-shoulder tool joints.
| Рубрика | Производство и технологии |
| Предмет | Machinery and Equipment |
| Вид | статья |
| Язык | английский |
| Прислал(а) | Mykhailiuk V.V. |
| Дата добавления | 02.03.2021 |
| Размер файла | 1,2 M |
Отправить свою хорошую работу в базу знаний просто. Используйте форму, расположенную ниже
Студенты, аспиранты, молодые ученые, использующие базу знаний в своей учебе и работе, будут вам очень благодарны.
Подобные документы
General structure of a river petroleum storage depot. Calculation of reservoirs capacity for fuel storage, selecting of reservoirs type, its equipment. Selection of fuel purification means. Equipment for fuel distributing and distributing process itself.
контрольная работа [4,7 M], добавлен 17.11.2014Исходные геометрические характеристики элементов крыла и схема его нагружения. Задание свойств материалов для каждого элемента конструкции. Построение конечноэлементной модели и расчет ее устойчивости в Buckling Options. Перемещение лонжеронов крыла.
курсовая работа [4,9 M], добавлен 16.03.2012Investigation the relationship for the extension of spiral spring and for the oscillation period of this spring of suspended different mass. Earth Gravitational Intensity. The results of load mass and reading on ruler. Measurement error and calculations.
реферат [209,9 K], добавлен 17.10.2014The skull is the bony section of the head. The structure of the tooth, coracohumeral ligament, the ribs, sternum, clavicle, scapula, humerus, capsule of the shoulder joint, ulna, metacarpal, pelvis (or Os Coxa), pubic symphysis, bursae of the shoulder.
презентация [587,1 K], добавлен 11.04.2013The essence of double entry principle of balance. Double entry accounting as a method in which each transaction is recorded in two separate accounts. Double entry bookkeeping. Assets are tangible and intangible items of value. Interpreting balance sheet.
реферат [216,5 K], добавлен 25.11.2009The concept of advertising as a marketing tool to attract consumers and increase demand. Ways to achieve maximum effect of advertising in society. Technical aspect of the announcement: style, design, special effects and forms of distribution channels.
реферат [16,1 K], добавлен 09.05.2011In spite of being exclusively regional phenomenon, Double Modals are significant and commonly acknowledged realia of Modern American English. Like the other multiword modals they are taking their own function in human communication processes.
реферат [25,1 K], добавлен 31.05.2008The relationship between Europe and Israel. Two Types of International Law. Double standards of United States of America at home and abroad, сriticism of it's foreign policy: support of dictatorships, imperialism, excessive militarism, arrogance.
реферат [28,0 K], добавлен 19.05.2010Problem of choice basic lines of child: half, color of eyes, hair, modern possibilities of medicine. Possibility choice of design of child at artificial impregnation. Ethic problem of choice of design. Value of problem of choice of sex of child in China.
статья [15,1 K], добавлен 02.12.2010The essence of the problem of personal security tax police officer. Precautions when making an attack on a person or employee of the tax police. The acquisition and improvement of the service experience, combat, operational training for its skillful use.
реферат [23,4 K], добавлен 08.10.2012
