partly supported by the National Natural Science Foundation of China(52304045);the Open Fund(PLN2023-40)of the National Key Laboratory of Oil and Gas Reservoir Geology and Exploitation(Southwest Petroleum University);the Open Fund(2024-KFKT-08)of China National Petroleum Corporation Science and Technology Research Institute.
In ultra-deep and large well sections,high collapse stresses and diminished annular return velocity present significant challenges to wellbore cleaning.With increasing depth,rising temperature and pressure constrain t...
Supported by the National Natural Science Foundation of China(U22B6002);PetroChina Science and Technology Project(2023ZZ14).
Significant exploration progress has been made in ultra-deep clastic rocks in the Kuqa Depression,Tarim Basin,over recent years.A new round of comprehensive geological research has formed four new understandings:(1)Es...
Supported by the National Natural Science Foundation of China(U21B2062).
This study comprehensively uses various methods such as production dynamic analysis,fluid inclusion thermometry and carbon-oxygen isotopic compositions testing,based on outcrop,core,well-logging,3D seismic,geochemistr...
supported by the National Natural Science Foundation of China(Grant No.U21B2062);supported by the Key Laboratory for Carbonate Reservoirs of China National Petroleum Corporation。
Burial dissolution is a critical diagenetic process influencing ultra-deep carbonate reservoir development and preservation.Artificial carbonate samples with different internal structures were prepared,and high-temper...
supported by the National Natural Science Foundation of China(No.U21B2062)。
Fracture effectiveness plays a key role in gas productivity of ultra-deep tight sandstone reservoirs,Kuqa depression,Tarim Basin.Based on cores,thin sections,well logging,well testing and production data,the study eva...
Supported by the China National Offshore Oil Corporation Project(KJGG2022--0302)。
Based on the data from 3D seismic surveys,drilling,sidewall coring,thin sections,and tests,this paper analyzes Meso-Cenozoic geotectonic dynamics,buried-hill reservoir characteristics,and differential enrichment patte...
1 Project overview The TK110,000-meter Deep-earth Scientific Exploration Project represents a significant milestone in the pursuit of exploring the Earth’s deep layers.This crucial initiative aims at overcoming techn...
supported by the National Natural Science Foundation of China (Grant No. U23B20154)。
Exploration practice has proved that deep and ultra-deep reservoirs consist of mainly matrix-porous dolomite reservoirs and fractured-vuggy karst reservoirs and still will be very important targets for future explorat...
The transientflow testing of ultra-deepwater gas wells is greatly impacted by the low temperatures of seawater encountered over extended distances.This leads to a redistribution of temperature within the wellbore,whic...
Supported by the China National Petroleum Corporation(CNPC)Project(2023ZZ14-01)。
Based on drilling and logging data,as well as geological experiments,the geological characteristics and factors controlling high-yield and enrichment of hydrocarbons in ultra-deep clastic rocks in the Linhe Depression...