Dictionary:Well survey

ADVERTISEMENT
From SEG Wiki
Jump to: navigation, search
Other languages:
English • ‎español


A method of determining the average velocity as a function of depth by lowering a geophone into a hole and recording energy from sources on the surface. Often run in addition to a sonic log to supply a reference time at the base of the casing and to check the integrated time. A standard computation form is shown in Figure W-10. See also vertical seismic profile.