Identification of Gas Sand Horizons of the Rashidpur Structure, Surma Basin, Bangladesh, Using 2D Seismic Interpretation

Table 3

Represent average velocity changes with depth of gas sand horizons in the Rashidpur structure.

Gas sand horizons/reflectors	Depth (m)	Thickness (m)	Ave. Velocity (m/s)	TWT (sec)	Remarks
UGS (R3)	1380–1462	82	3408	1.042–1.450	Max. velocity 4012 m/s; Min. velocity 2178 m/s
LGS (R5)	2706–2761	55	4320	1.450–2.918	Max. velocity 5542 m/s; Min. velocity 3387 m/s