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Yumen oilfield has entered …
At 15:58 on November 12, with the opening of the last valve room No. 2 of Qinggao Lin…
2025-01-10
Method of judging internal …
Fixed shaft ball valve is commonly used on natural gas pipelines, and its general ins…
2025-01-03
Profitable oil is produced …
Since the beginning of this year, Tuha Oilfield has established a "highway"…
2024-12-27-
04-05 202410 problems often encountered in the use of valves2024-04-0501 Why is the two-seat valve easy to oscillate when working with small opening?For a single core, when the medium is flow open, the valve stability is good; When the medium is flow closed type, the stability of the valve is poor. The double-seat valve has two spool, t…>
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03-29 2024Commonly used material heat treatment process of valve body2024-03-29Valve body blank heat treatment process according to different materials are as follows:1. Heat treatment of gray cast iron>
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03-22 2024CCUS flooding in Jilin oilfield realizes the point of "carbon" …2024-03-22Jilin Oilfield is committed to low-carbon development and green transformation, and has realized "carbon" into gold. As of March 5, in the 15 years of Changling gas field development>
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03-15 2024Causes and treatment of internal leakage of natural gas ball valve2024-03-15Causes of ball valve internal leakage1. Reasons for internal leakage of the valve during the construction period:① Improper transportation and hoisting causes the overall damage of the valve, resulting in internal leakage of the valve;>
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03-08 2024The ninth oil production plant of Daqing Oilfield controls the decline in…2024-03-08In the first two months of this year, the ninth oil production plant of Daqing Oilfield used diversified means to continuously strengthen the potential of the old area, and crude oil production increased by 195,000 tons year-on-year.>
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03-01 2024Petrochemical industry downstream demand weakened, the economy fell sligh…2024-03-01As the northern Hemisphere enters winter in November, temperatures are generally cooler, economic activity weakens and demand falls.>
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01-26 2024What is the balance hole of the ball valve2024-01-26First, the function of the ball valve balance holeThe balance hole is also called the compensation hole, which refers to a channel inside the ball valve, generally located between the two sealing surfaces above and below the ball. Its role is to balance the pressure on…>
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01-19 2024Zhejiang Oilfields "Multiple Breakthroughs" Production Indicato…2024-01-19As of the end of 2023, Zhejiang Oilfield has successfully achieved various production and operation indicators, with oil and gas production equivalent reaching a historic high. All production and operation indicators have continued to rise, maintaining an upward arrow …>
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01-12 2024Completion of capacity calibration for 7 new energy power stations in Daq…2024-01-12>
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12-29 2023What is an eccentric hemispherical valve? Working principle of eccentric…2023-12-29>
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