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【Techology Sharing】Research Progress in Slow-release Acidizing Systems
Acidification, as a stimulation measure for oil and gas fields, is commonly used in carbonate and sandstone formations. In the process of conventional acidification operations, there are often phenomena such as high acid loss, fast acid rock reaction rate, and severe corrosion of underground pipe...Read more -
Centennial Wuchuan Shipbuilding the World’s Largest and China’s First Fracturing Ship
Recently, the design plan of the world’s largest and China’s first offshore oilfield fracturing engineering ship has successfully passed the review of China Classification Society, and is about to enter the design and construction process stage. This ship was built by the Tianjin Bran...Read more -
New Technology of Liquid Nitrogen Foam Fracturing Technology
On September 3, the new technical data of the first liquid nitrogen foam fracturing process in Changqing Sulige Gas Field showed that the flow rate reached 429200 m3/day, which saved 50% of the water consumption compared with the conventional fracturing process, reduced the risk of safety and env...Read more -
First Breakthrough In The International Standard Field Of Shale Gas In China
On August 24th, it was learned from the ISO International Organization for Standardization that the international standard ISO 7055: 2023 “Test Method for Slippery Water Drag Reduction Performance in the Upstream Field of Natural Gas”, led by the Natural Gas Research Institute of Sout...Read more -
Shale Oil Three-Dimensional Fracturing Technology
Shale oil three-dimensional fracturing technology refers to the collaborative arrangement of fractures between layers and multiple wells in a plane, constructing a volume fracture network, and achieving the utilization of shale oil. The design concept is to achieve the maximization of controlled ...Read more -
China’s First Large-scale Development Project For Thin Coalbed Methane is Fully Put into Operation
On August 16th, China National Offshore Oil Corporation (CNOOC) announced that China’s first large-scale development project of thin coalbed methane, the Panhe Thin Coalbed Methane Development Project, has been fully completed and put into operation, marking a new breakthrough in the large-...Read more -
Southwest Oil and Gas Field Company Has Obtained a High-yield Industrial Gas Well of One Million Cubic Meters in the Permian Qixia Formation
On August 5th, the rolling exploration and development well Moxi 031-H4 in the Anyue Gas Field of Southwest Oil and Gas Field Company obtained a daily production of 1.4266 million cubic meters of high-yield industrial gas flow in the Qixia Formation, making it the fifth high-yield gas well in the...Read more -
China’s Second 10000+ Meter Depth Well Start to Drill in Sichuan
Recently, the first 10000+ meter depth well in Sichuan Basin, Shendi Chuanke 1 Well, was started to drill in Jiange County, Guangyuan City. This is one of the ten thousand meter deep wells with the greatest difficulty in drilling in the world, and also the second ten thousand meter deep well in C...Read more -
Southwest Oil and Gas Field Company’s Preflush Fluid Acid Fracturing Technology Has Been Granted National Invention Patent Authorization
On July 18, good news came from the China National Intellectual Property Administration that the Method and Device for Determining the Amount of Preflush Fluid declared by the Engineering Technology Research Institute of Southwest Oil and Gas Field Company was granted a national invention patent ...Read more -
China Petroleum’s First Self-developed Ultra-high Sulfur Gas Field Has Fully Reached Production Capacity
On June 6th, China National Petroleum Corporation’s first self-developed ultra-high sulfur gas field, Tieshanpo Gas Field, fully reached production, with a daily output of 4 million cubic meters of natural gas. Natural gas enters the national pipeline network and is transported to the Yangt...Read more -
【Technology Sharing】Acidizing and Fracturing Technology for Marine Carbonate Rock Reservoir
Marine Carbonate rock is widely distributed, old, deep buried, high temperature, high degree of rock densification, and high sulfur content in some areas. The reservoir space is generally a composite reservoir space composed of karst caves, fractures, and karst pores, and the spatial distribution...Read more -
Major Breakthrough in Acidizing Operation of the Deepest Vertical Well Pengshen 6 in Asia
On June 8, the acidizing operation of Pengshen 6 Well, the deepest straight well in Asia, fully completed various design engineering indicators, made a major breakthrough in acidizing operation of ultra deep Carbonate rock rocks, and accumulated valuable field operation experience for ultra deep ...Read more
