Identification of Potential HC Reservoir in field "x" by using 3D Inversion Gravity Modeling and Magnetic Data

2nd Southeast Asian Conference on Geophysics

Jahrudin, Ahmad^1 ; Syamsu Rosid, M.^1 ; Setiaji Ronoatmojo, Imam^2 ; Solehudin^3 ; Adi Wibowo, Ricky^4

Department of Physics, FMIPA Universitas Indonesia, Kampus UI Depok, Depok

16424, Indonesia^1

Faculty of Earth and Energy Technology, Universitas Trisakti, Jl. Kyai Tapa No.1, Grogol Jakarta

11440, Indonesia^2

PT Elnusa Tbk, Graha Elnusa Lt. 15, Jl. TB. Simatupang Kav. 1B, Jakarta Selatan, Indonesia^3

PT. Pertamina EP, Menara Standard Chartered No 164, Lt 16, Jl. Prof. DR. Satrio, Jakarta

12950, Indonesia^4

关键词: 3-d inversions;    Carbonate build-up;    Dome structure;    Gravity and magnetic anomalies;    Gravity anomalies;    Hydrocarbon potential;    Magnetic anomalies;    Seismic sections;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/318/1/012050/pdf
DOI  :  10.1088/1755-1315/318/1/012050

来源: IOP

【 摘 要 】

3D inversion modeling of subsurface based on gravity anomaly data and magnetic anomaly data used for identification hydrocarbon potential in "x". Where in the study area there are up dome structures that indicate some possibilities, including igneous rock intrusion, carbonate build up and also mud diapir. 3D inversion modeling of gravity and magnetic anomaly data correlated with two seismic section which available in study location. 3D inversion model is performed on the residual anomaly data on the gravity model and 2D in the magnetic anomaly. The result of 3D inversion modeling of gravity anomaly data shows that the peak up dome is at a depth of study located around 800 meters from the surface, this result corresponds to spectrum analysis and depth on the seismic cross section, while the density value of the up-dome body is approximately 2.78 g/cm3. While on the magnetic anomaly that has been done, structure of the dome indicates an intrusion structure with anomaly susceptibilities show the structure of igneous rock.