ABSTRACT
A new technique has been developed for analyzing the constant bottom-hole pressure (BHP) test data. The method presented in this chapter enables to calculate the skin factor for damaged and stimulated oil wells. Advantages of the BHP test are: (1) they do not require that the well be shut in; (2) the fl uid production can be easily controlled (at constant fl ow rate tests the BHP is changing with time); and (3) wellbore storage effects on the test data are short-lived. It is assumed that the instantaneous fl ow rate and time data are available from a well produced against a constant bottom-hole pressure. Only records of the fl owing time and fl ow rate data are required to compute the value of the skin factor.
