Analysis and RepAir of Production Problems Using Electrical Workover Systems


A. E. Chase, Schlumberger

Third Formation Evaluation Symposium of the
Canadian Well Logging Society in Calgary, May 6-8, 1970



The analysis and repair of many well problems are done more satisfactorily and usually at much less cost when downhole formation and well condi tions are known. Such information can be obtained by use of logging tools, now available, that are small enough to be lowered through commonly used sizes of tubing. Thus it is unnecessary to kill the well and pull the tubing, which would involve con- siderable expense and, more important, would risk irreparable damage to the well.