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Hongsheng Company Successfully Completes Pilot Production of Temperature- and Salt-Resistant Fluid Loss Additive
Summary：The quaternary copolymer oil-well cement fluid-loss additive, independently developed and produced by Hongsheng Petroleum Technology, has successfully passed both laboratory testing and field applications. This novel fluid-loss additive, copolymerized from AMPS, AM, AA, and N-vinylpyrrolidone, exhibits remarkable resistance to temperature and salinity, meeting the stringent requirements for cementing operations in high-temperature and high-salinity environments.
The quaternary copolymer oil-well cement fluid-loss additive, independently developed and produced by Hongsheng Petroleum Technology, has successfully passed both laboratory testing and field applications. This novel fluid-loss additive, copolymerized from AMPS, AM, AA, and N-vinylpyrrolidone, exhibits remarkable resistance to temperature and salinity, meeting the stringent requirements for cementing operations in high-temperature and high-salinity environments.
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Repost | A super-deep gas field has been discovered in the Sichuan Basin!
A super‑deep shale gas field containing 235.6 billion cubic meters has been discovered in the Sichuan Basin, with daily production of one million cubic meters—making it the world’s oldest gas‑producing formation. From Fuling to Ziyang, China’s shale gas reserves have surpassed 4 trillion cubic meters, further bolstering energy security.
2026-05-15
China has discovered an ultra-deep shale gas field!
May 13 Sinopec’s “Deep-Earth Project: Sichuan–Chongqing Natural Gas Base” has achieved another breakthrough. The Ministry of Natural Resources has released its mineral exploration results.
2026-05-13
Good News: Sinopec Achieves New Breakthrough in “Deep-Earth Engineering”
Recently, Sinopec’s “Deep-Earth Engineering–Sichuan–Chongqing Natural Gas Base” has once again reported a significant breakthrough. The Yonghong-1 well, a key ultra-deep tight sandstone exploration well deployed by Sinopec Exploration Branch in Bazhong City, Sichuan Province, has successfully tested high-producing gas flows, marking an important new stratigraphic breakthrough in the Jurassic system of the Sichuan Basin. This discovery confirms the favorable exploration and development potential of the Jurassic tight sandstones in the Bazhong area, suggesting the prospect of establishing a new resource base for increasing reserves and boosting production in the Sichuan Basin.
2026-04-25
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