The causes of leakage at the valve sealing surface
The sealing surface of a valve is its core component. The leakage forms of the sealing surface can generally be classified into several types, namely, leakage from the sealing surface, leakage from the connection between the sealing ring and the valve body, leakage caused by the detachment of the closing member, and leakage due to foreign substances embedded between the sealing su
How to choose the connection method between valves and pipes?
Valves are usually connected to pipes in various ways such as threaded, flanged, welded, clamped, and ferrule wafer. So, how should one choose when using and selecting them?
What are the connection methods between valves and pipes?
1. Threaded connection: Threaded connection is a form where the ends of the valve are processed into internal or external threads to connect with the
The Changqing Heshui Oilfield Accelerates the Profitable Development of Tight Oil
On August 5th, with the successful completion of a horizontal well at the Guping 41-52 well site, the number of wells in the Changqing Heshui Oilfield's tight oil block-level horizontal well three-dimensional development area exceeded 650, making it the largest such development area in China. Since its development, the area has produced over 5 million tons of oil, with a cumulativ
Tuha Oilfield: Accelerate Technological Innovation to Reduce Drilling and Fracturing Costs
As of now, the Tuha Oilfield has completed 46 various plans for capacity construction and other aspects this year, with the design compliance rate reaching 100% and the effectiveness rate of measures reaching 98%. This has effectively saved drilling and fracturing costs, and the supporting and guaranteeing role of engineering technology has become more prominent.
As the oilfield
Introduce how hydraulic control valves can meet the needs of real life
It is closely related to people's lives. Among them, various valve products with different functions have achieved a more secure and efficient good performance in actual use. Especially, fundamentally strengthening and improving water source management and usage has made water control valve products more diverse in features. Among them, effectively managing and improving management effic
Efficient Production Enhancement of Coalbed Methane in Huabei Oilfield
On July 7th, the author learned that in the first half of this year, the commercial volume of coalbed methane in Huabei Oilfield increased by 45 million cubic meters compared with the same period last year.
Huabei Oilfield has been committed to treating the coalbed methane business as an important growth pole for building a comprehensive energy company with a production capacity
Pneumatic control valves use compressed air as the power source, a cylinder as the actuator, and drive the valve with the help of valve positioners, converters and other accessories to achieve on-off or proportional regulation. They accept control signals from industrial automation control systems to complete the regulation of various process parameters such as flow, pressure and tempera
Lanzhou Petrochemical's jet fuel output has reached a record high
On May 21st, in the centralized control room of the refining area of Lanzhou Petrochemical, the internal line operators of the 5 million tons/year atmospheric and vacuum distillation unit were carefully comparing the quality inspection and analysis results. By swiping the mouse at the control points on the screen, they adjusted the external release volume of the atmospheric line a
Faults and maintenance of Wafer electric Butterfly valves
If you do not carefully check the usage condition and performance specifications of the wafer-type electric butterfly valve before installation, the wafer-type electric butterfly valve may have the following common faults: the valve cannot be reversed or the reversing action is slow, gas leakage, and the electromagnetic pilot valve is faulty, etc.
(1) The inability or slow reversing act
Dagang Oilfield has independently developed a large model to build a new intelligent ecosystem
As of April 21st, the Port Intelligence application large model of Dagang Oilfield has been online for three months, with an average daily call volume of over 10,000 times, covering more than 80% of the main business units.
The Hongzhi Application large Model is an independently developed project of Dagang Oilfield. It deeply integrates the three major model technologies of Qianw
The construction of long-distance oil and gas pipelines in China has entered the era of all-terrain automatic welding
On April 8th, the "Four-All" pipeline welding inspection robot technology equipment system independently developed by our country was put into large-scale application, significantly improving the construction efficiency. This marks a leap from "segmented manual welding" to "all-terrain automatic welding" in the construction of long-distance pipelines in our country.
The "Four-Al
What are the selection conditions of electric butterfly valve and pneumatic butterfly valve?
Electric butterfly valve has the advantages and uses
Electric butterfly valve is a very common pipeline flow regulation device, widely used, involved in many fields, such as the regulation of water flow in the reservoir dam of hydraulic power plant, industrial fluid flow regulation in the factory, etc., the following take you to understand the characteristics and advantages of electric
A scientific and technological achievement of Southwest Oil and Gas Field Company has reached the international advanced level
On March 24, the technical achievements of the "Key technologies and Applications for the detection and evaluation of high-risk devices in Oil and gas fields" led by Southwest Oil and Gas Field Company reached the international advanced level after expert appraisal, filling the gap in relevant domestic technologies.
In view of the problems in the safety management of high-risk eq
Steam trap in the steam heating system plays a role in preventing steam drainage, choose the right trap, can make the steam heating equipment to achieve the highest efficiency. In order to achieve the best results, it is necessary to have a comprehensive understanding of the working performance and characteristics of various types of traps.
There are many varieties of traps, each with d
The CBM production of Huabei oilfield continues to rise strongly
In February, the daily production of coalbed methane in Qinshui coalbed methane field of Huabei Oilfield continued to maintain a high operating state of more than 7.2 million cubic meters. After the annual output of CBM reached 2.6 billion cubic meters in 2024, equivalent to 2.07 million tons of crude oil equivalent, and the first medium-shallow CBM field with an annual output of
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2025/8/22The causes of leakage at the valve sealing surfaceThe sealing surface of a valve is its core component. The leakage forms of the sealing surface can generally be classified into several types, namely, leakage from the sealing surface, leakage from the connection between the sealing ring and the valve body, leakage caused by the detachment of the closing member, and leakage due to foreign substances embedded between the sealing su
2025/8/16How to choose the connection method between valves and pipes?Valves are usually connected to pipes in various ways such as threaded, flanged, welded, clamped, and ferrule wafer. So, how should one choose when using and selecting them? What are the connection methods between valves and pipes? 1. Threaded connection: Threaded connection is a form where the ends of the valve are processed into internal or external threads to connect with the
2025/8/8The Changqing Heshui Oilfield Accelerates the Profitable Development of Tight OilOn August 5th, with the successful completion of a horizontal well at the Guping 41-52 well site, the number of wells in the Changqing Heshui Oilfield's tight oil block-level horizontal well three-dimensional development area exceeded 650, making it the largest such development area in China. Since its development, the area has produced over 5 million tons of oil, with a cumulativ
2025/7/25Tuha Oilfield: Accelerate Technological Innovation to Reduce Drilling and Fracturing CostsAs of now, the Tuha Oilfield has completed 46 various plans for capacity construction and other aspects this year, with the design compliance rate reaching 100% and the effectiveness rate of measures reaching 98%. This has effectively saved drilling and fracturing costs, and the supporting and guaranteeing role of engineering technology has become more prominent. As the oilfield
2025/7/18Introduce how hydraulic control valves can meet the needs of real lifeIt is closely related to people's lives. Among them, various valve products with different functions have achieved a more secure and efficient good performance in actual use. Especially, fundamentally strengthening and improving water source management and usage has made water control valve products more diverse in features. Among them, effectively managing and improving management effic
2025/7/11Efficient Production Enhancement of Coalbed Methane in Huabei OilfieldOn July 7th, the author learned that in the first half of this year, the commercial volume of coalbed methane in Huabei Oilfield increased by 45 million cubic meters compared with the same period last year. Huabei Oilfield has been committed to treating the coalbed methane business as an important growth pole for building a comprehensive energy company with a production capacity
2025/6/7The handling methods for faults in control valvesPneumatic control valves use compressed air as the power source, a cylinder as the actuator, and drive the valve with the help of valve positioners, converters and other accessories to achieve on-off or proportional regulation. They accept control signals from industrial automation control systems to complete the regulation of various process parameters such as flow, pressure and tempera
2025/5/23Lanzhou Petrochemical's jet fuel output has reached a record highOn May 21st, in the centralized control room of the refining area of Lanzhou Petrochemical, the internal line operators of the 5 million tons/year atmospheric and vacuum distillation unit were carefully comparing the quality inspection and analysis results. By swiping the mouse at the control points on the screen, they adjusted the external release volume of the atmospheric line a
2025/5/16Faults and maintenance of Wafer electric Butterfly valvesIf you do not carefully check the usage condition and performance specifications of the wafer-type electric butterfly valve before installation, the wafer-type electric butterfly valve may have the following common faults: the valve cannot be reversed or the reversing action is slow, gas leakage, and the electromagnetic pilot valve is faulty, etc. (1) The inability or slow reversing act
2025/4/25Dagang Oilfield has independently developed a large model to build a new intelligent ecosystemAs of April 21st, the Port Intelligence application large model of Dagang Oilfield has been online for three months, with an average daily call volume of over 10,000 times, covering more than 80% of the main business units. The Hongzhi Application large Model is an independently developed project of Dagang Oilfield. It deeply integrates the three major model technologies of Qianw
2025/4/18The construction of long-distance oil and gas pipelines in China has entered the era of all-terrain automatic weldingOn April 8th, the "Four-All" pipeline welding inspection robot technology equipment system independently developed by our country was put into large-scale application, significantly improving the construction efficiency. This marks a leap from "segmented manual welding" to "all-terrain automatic welding" in the construction of long-distance pipelines in our country. The "Four-Al
2025/4/11What are the selection conditions of electric butterfly valve and pneumatic butterfly valve?Electric butterfly valve has the advantages and uses Electric butterfly valve is a very common pipeline flow regulation device, widely used, involved in many fields, such as the regulation of water flow in the reservoir dam of hydraulic power plant, industrial fluid flow regulation in the factory, etc., the following take you to understand the characteristics and advantages of electric
2025/3/28A scientific and technological achievement of Southwest Oil and Gas Field Company has reached the international advanced levelOn March 24, the technical achievements of the "Key technologies and Applications for the detection and evaluation of high-risk devices in Oil and gas fields" led by Southwest Oil and Gas Field Company reached the international advanced level after expert appraisal, filling the gap in relevant domestic technologies. In view of the problems in the safety management of high-risk eq
2025/3/21The structure and working principle of the trapSteam trap in the steam heating system plays a role in preventing steam drainage, choose the right trap, can make the steam heating equipment to achieve the highest efficiency. In order to achieve the best results, it is necessary to have a comprehensive understanding of the working performance and characteristics of various types of traps. There are many varieties of traps, each with d
2025/3/14The CBM production of Huabei oilfield continues to rise stronglyIn February, the daily production of coalbed methane in Qinshui coalbed methane field of Huabei Oilfield continued to maintain a high operating state of more than 7.2 million cubic meters. After the annual output of CBM reached 2.6 billion cubic meters in 2024, equivalent to 2.07 million tons of crude oil equivalent, and the first medium-shallow CBM field with an annual output of
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