Results 31 to 40 of about 237,664 (259)

Measurement of laser absorptivity for operating parameters characteristic of laser drilling regime [PDF]

, 2008
Publisher version : http://iopscience.iop.org/0022-3727/41/15/155502/Laser drilling in the percussion regime is commonly used in the aircraft industry to drill sub-millimetre holes in metallic targets.
SCHNEIDER, Matthieu, BERTHE, Laurent, FABBRO, Rémy, MULLER, Maryse   +3 more
core   +1 more source

Study on Start-Up Process of SAGD by Solvent: Experiment Research and Process Design

Geofluids, 2021
Steam-assisted gravity drainage (SAGD) has been used to develop the “super heavy” oil reservoirs in Canada. The viscosity can reach more than 30,000 cp at 50°C.
Jun Sun, Yanping Sun, Chengsheng Wang, Hui Lin, Wenchao Zhou, Yunchuan Fu, Shuliang Ren   +6 more
doaj   +1 more source

Study on Autogenous Heat Technology of Offshore Oilfield: Experiment Research, Process Design, and Application

Geofluids, 2021
Conventional heavy oil has abundant reserves and low recovery efficiency in offshore oilfields. Autogenous heat technology uses 2-3 kinds of inorganic salt solution to produce inert gas and release a lot of heat under the action of a catalyst.
Yanping Sun, Chengsheng Wang, Jun Sun, Shuliang Ren, Hua Peng, Yueyue Fang, Fangxue Xu   +6 more
doaj   +1 more source

Study and Application of Combination Cementing Technology of Gypsum Salt Layer in Kuqa Piedmont Structure, Tarim Basin [PDF]

Journal of Petroleum Science and Technology, 2022
Kuqa piedmont is the main battlefield of natural gas production in the oil field and the source of west-east gas transmission. The wellbore quality is related to the safety of well construction and production. However, the well cementation quality of the
Yicheng Sun, Zhenglian Liu, Xu Song
doaj   +1 more source

Organic-rich shale in Lianggaoshan Formation: study on macroscopic and microscopic mechanical properties and mechanism of influencing factors [PDF]

Oil Shale
This study investigates the mechanical properties of organic-rich shale from the Lianggaoshan Formation using uniaxial and triaxial tests, nanoindentation, and atomic force microscopy. Key parameters such as elastic modulus and hardness are analyzed with
Yangbing Li, Weiqiang Hu, Litao Ma, Jianqi Chen, Zaizhen Liu, Di Cao, Panpan Li, Chenchen Li   +7 more
doaj   +1 more source

Hydraulic Radial Drilling Using a Rotary Hydraulic Nozzle Aimed at Increasing the Exploitation of Deposits

Energies, 2023
The exploration and development of new hydrocarbon deposits face increasing challenges, primarily driven by the shift away from hydrocarbons towards renewable energy sources like shallow geothermal deposits, wind farms, and photovoltaics.
Przemyslaw Toczek, Rafal Wisniowski, Albert Zlotkowski, Wojciech Teper   +3 more
doaj   +1 more source

Improving gas bubbles’ half life in foam drilling fluid [PDF]

, 2013
An underbalanced drilling using foam drilling fluid is one of the most effective solutions which are capable of preventing formation damage, differential sticking, or circulation lost.
Ismail, Ahmad Shamsulizwan, Mamat, Baihaqi, Mamat, Nur Suriani, Mamat, Mohd Baihaqi, Ismail, Issham, Kamis, Azmi, Ikhsan, Azman   +6 more
core   +1 more source

An experimental study on the CO2/sand dry-frac process

Natural Gas Industry B, 2014
The CO2/sand dry-frac process is a waterless fracturing technology in which CO2 instead of water is used as fracturing fluid. The application of the technology abroad (in the USA and Canada) shows that it works well in stimulating low-pressure, low ...
Song Zhenyun, Su Weidong, Yang Yanzeng, Li Yong, Li Zhihang, Wang Xiaoyu, Li Qianchun, Zhang Dongzhe, Wang Yu   +8 more
doaj   +1 more source

Magnetic Interference Correction Method for Dynamic Measurement of Steering Head and Its Application

Shiyou jixie
During the operation of the rotary steering system， the magnetic interference faced by the steering head when performing dynamic measurement tasks mainly comes from two aspects： one is the magnetic influence of the internal current fluctuation of the M30
Zhu Jinsong, Song Xiaojian, Yu Yanfei, Zhang Suosheng, Jiang Qihong, Zheng Bangxian, Chen Jingwang   +6 more
doaj   +1 more source

Technology of Lost Circulation Prevention and Control in Deep Coalbed Methane Drilling in Eastern Ordos Basin

Zuanjingye yu wanjingye
The exploration and development of deep coalbed methane have opened up a new field of developing resources in new formations in the Ordos Basin, ensuring the steady growth of the oil and gas equivalent of the Changqing oilfield.
Mingming ZHU, Huan SUN, Yanping QU, Chongdong SHI, Qin ZHANG, Bo HOU, Guang YANG   +6 more
doaj   +1 more source