The working principle of oil extraction

The principle of oil extraction was to extract oil from underground oil reserves through a series of geological exploration, drilling, and production processes. The specific principles of oil extraction included geological exploration, drilling, completion, sealing, and artificial lifting. By analyzing the formation structure, rock properties, and the characteristics of oil-bearing formations, geological exploration determined the location and nature of the oil reservoir. The drilling was the key process of passing the steel pipe through the ground and into the oil reservoir. Completion and sealing were steps to ensure the stability of the well wall and prevent oil leakage. When the pressure of the oil layer was not enough to allow the oil to rise to the ground by itself, artificial lifting techniques such as sucker rod pump and electric pump were needed to extract the oil from the bottom of the well. In short, the principle of oil extraction was to extract oil from underground oil reserves through exploration, drilling, and production processes.

There were two main ways to extract oil: automatic oil extraction and mechanical oil extraction. The self-flowing oil recovery method was that after an oil well was drilled, due to the great pressure under the stratum, the oil in the oil layer was often driven by the pressure to automatically spray upwards. At this time, the self-flowing oil recovery method could be used. This method had simple equipment, convenient management, economical mining, and high production. The mechanical oil recovery method was to extract oil through the oil pump installed on the well when the oil well or reservoir pressure was low and the oil could only flow into the well but could not be ejected to the ground. Oil wells that used mechanical oil extraction methods could also maintain a certain output for a long time.

The process from oil extraction to use included exploration, drilling, completion, oil testing, production, and other steps. In the processing stage, the oil was refined, separated, and desulphurized. Finally, in the application stage, oil was mainly used as fuel, chemical raw materials, consumables, wax, and coke, kerosene, and diesel. This process covered the entire process of oil from underground to the market. Every step was very important to ensure the quality and safe use of oil.

Bluetooth works by connecting devices through radio waves, allowing them to communicate over short distances. The Bluetooth device includes a Bluetooth module, a Bluetooth radio, and software. When two Bluetooth devices wanted to communicate with each other, they needed to pair up. Communication between Bluetooth devices was carried out in a short-range temporary network that could accommodate two to eight devices. After the network environment was successfully created, one device would be the master device, and the other devices would be the slave devices. Different types of Bluetooth technology had different versions of the core specifications. Bluetooth uses the 2.4-gigasecond radio frequency band for communication, which is divided into multiple small channels to avoid interference. Bluetooth's global usefulness and low power requirements made it a popular standard for connecting all kinds of devices, from consumer electronics to business applications to Internet of Things devices.

The working principle of the rainwater intercepting hanging basket device was to use gravity to separate the dirt in the rainwater and settle it at the bottom of the basket, while the clear water flowed out from the top of the basket. The device collected rainwater and sewage through a basket-like object, while preventing sewage from entering the rainwater pipe, reducing environmental pollution. This device usually consisted of a basket and a support frame. The basket was usually made of plastic or stainless steel, and its shape and size were designed according to actual needs. When using this device, the bottom of the basket needed to be cleaned regularly to prevent blockage and odor. At the same time, the integrity and cleanliness of the device needed to be checked regularly to ensure that it was functioning properly.

The most commonly used oil extraction methods were the self-flooding method and the artificial lift method. The self-flowing oil recovery method uses the elastic energy of the oil layer itself to spray the crude oil to the ground, and relies on the expansion of the gas dissolved in the crude oil as the pressure drops. The artificial lift oil recovery method was a method of artificially adding energy to the bottom of the oil well to lift the oil in the reservoir to the well head. Both methods were simple, convenient, and economical methods of oil extraction.

The most commonly used oil extraction methods were the self-flooding method and the artificial lift method. The self-flowing oil recovery method uses the elastic energy of the oil layer itself to spray the crude oil to the ground, and relies on the expansion of the gas dissolved in the crude oil as the pressure drops. The artificial lift oil recovery method was a method of artificially adding energy to the bottom of the oil well to lift the oil in the reservoir to the well head. Both methods were simple, convenient, and economical methods of oil extraction.

The working principle of a full-text search engine can be summarized as the following: Full-text Search: Full-text search engines are not limited to the title or keywords of a document or web page, but can search the entire content of a document or web page, including passages, sentences, and the entire text. 2. Semantics analysis: Full-text search engines use natural language processing technology to analyze the content of the text to understand the meaning and logical structure of the text in order to provide more accurate and useful search results. Full-text index: Full-text search engines usually create an index to store the content of documents or web pages in the database for quick search and retrieving. The index usually contained the title, author, date, keywords, and other information of the document. Multi-language support: Full-text search engines usually support multiple languages and can search documents or web pages in different languages. This helped to expand the search range and improve the accuracy of the search results. Personalized Search: Full-text search engines can provide customized search results based on the user's search history, preferences, language, and other factors. This can improve the user's search experience and help the user better understand the search results. These are the main features of a full-text search engine, which can help users find the content they need faster.

The principle of bleachings was to make objects lose their color through the oxidisation properties of bleaches. Different types of bleaches had different principles. The principle of the bleaching-powder was that the bleaching-powder would produce hypochloric acid when it came into contact with water. The hypochloric acid could catalyze the coloring matter, thus achieving the purpose of the bleaching-powder. The principle of hydrogen dioxide was that hydrogen dioxide was a strong oxidiser. It could destroy the " chromophore " inside the organic color substance and cause it to lose its original color. The principle of the absorption bleachings was that the substance had a large surface area, which could absorb the dye and make the substance fade. Other bleaches such as sulfur dioxide and ClO2 had similar principles. In general, bleaches change the color of objects or fade them through an oxidization reaction.

The principle of reducing bleaches was to make use of the reduction effect of the dye to fade. The color of organic matter was produced by the color groups contained in its molecules, and the color groups contained unsaturated bonds. The reducing bleaches release hydrogen atoms, causing the saturated bonds contained in the coloring base to become single bonds, and the organic matter would lose its color. This kind of bleacher can make the coloring in food decompose and fade through reduction.