Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Agus Haris Widayat"'
Autor:
Agus Ardianto Budiman, Komang Anggayana, Agus Haris Widayat, Dwiwahju Sasongko, Rakhmat Fakhruddin
Publikováno v:
Energy Geoscience, Vol 5, Iss 3, Pp 100287- (2024)
An organic geochemical, petrographical, and palynological evaluation was conducted on 30 claystone outcrop samples of the Toraja Formation, along with a geochemical analysis of an oil seep in the Enrekang Sub-basin. The aim of the study was to determ
Externí odkaz:
https://doaj.org/article/e11419eaa335445599efafd2311dd630
Publikováno v:
Indonesian Journal on Geoscience, Vol 2, Iss 3, Pp 185-197 (2015)
DOI: 10.17014/ijog.2.3.185-197Geochemical and petrographical analyses were carried out to investigate the occurrence of calcite in theformer Ombilin lacustrine lake. The study involves eight samples taken from a 56 m long drill core of Sangkarewangoi
Externí odkaz:
https://doaj.org/article/67a2777668284fceb6b5a48c125417d0
Publikováno v:
Indonesian Journal on Geoscience, Vol 1, Iss 2, Pp 109-119 (2014)
http://dx.doi.org/10.17014/ijog.v1i2.183Fifteen samples were taken ply by ply from a 33 m thick drill core of Muara Wahau coal seams for interpretation of depositional environments. Generally, lithotype variation in the bottom part of the coal seams
Externí odkaz:
https://doaj.org/article/94cc786c4d9b4b249481f66fa135308e
Autor:
Abrar Muslim, null Abubakar, Pocut Nurul Alam, Husni Usman, Gusti Randa, Agus Haris Widayat, Andy Yahya Al Hakim, Tony Hadibarata
Publikováno v:
Materials Today: Proceedings. 63:S400-S405
Publikováno v:
Indonesian Mining Professionals Journal. 2:57-64
Empat conto batubara dari daerah Muara Wahau telah diteliti untuk mengetahui karakteristik termal dengan pendekatan analisis pirolisis dan perangkat thermogravimetric analysis (TGA). Perilaku termal ini dapat memberikan gambaran yang dialami oleh bat
Autor:
Mulyono Dwiantoro, Teti Indriati, Agus Haris Widayat, Mirza Dian Rifaldi, Miqdam Furqany, Komang Anggayana, Andy Yahya Al Hakim
Publikováno v:
Indonesian Journal on Geoscience. 9
The occurrence and genesis of silicified coals in Tanjung Redeb, Embalut, and Loa Kulu have been described and reconstructed by means of petrography and geochemistry. The silicified coals are black, hard, and contain dispersed fine-grained silica min
Publikováno v:
Indonesian Journal on Geoscience. 7
DOI: 10.17014/ijog.7.2.105-119 This paper comprehensively discusses overpressuring in the North Sumatra Basin by using wireline log, drilling events and parameters, and clay mineralogical data. It shows an interesting phenomenon related to overpressu
Publikováno v:
Prosiding Temu Profesi Tahunan PERHAPI. 1:349-360
Endapan batubara memiliki karakteristik berupa kontinuitas spasial yang relatif homogen mengikuti bidang perlapisannya. Karakteristik spasial dari kualitas dan kuantitas seam batubara tersebut dapat diolah berdasarkan data sebaran titik bor. Jika sea
Autor:
Jenny Rizkiana, Winny Wulandari, Dwiwahju Sasongko, Muhammad Agung Azhari, Aghietyas Choirun Az Zahra, Komang Anggayana, Agus Haris Widayat
Publikováno v:
AIP Conference Proceedings.
Indonesia has abundant coal resources. However, some of the coal is difficult to be mined because of its location. Some are too far below the soil surface, or also called Deep Seated Coal (DSC). Underground Coal Gasification (UCG) is an alternative C