US 11,656,382 B2
Leak induced guided wave amplitude log for downhole leakage localization
Yao Ge, Singapore (SG); Ruijia Wang, Singapore (SG); Xiang Wu, Singapore (SG); and Jing Jin, Singapore (SG)
Assigned to Halliburton Energy Services, Inc., Houston, TX (US)
Filed by Halliburton Energy Services, Inc., Houston, TX (US)
Filed on Jun. 3, 2020, as Appl. No. 16/891,646.
Claims priority of provisional application 62/913,633, filed on Oct. 10, 2019.
Prior Publication US 2021/0109243 A1, Apr. 15, 2021
Int. Cl. G01V 1/50 (2006.01); G01V 1/46 (2006.01); G01V 11/00 (2006.01); E21B 47/117 (2012.01); G01V 1/52 (2006.01)
CPC G01V 1/50 (2013.01) [E21B 47/117 (2020.05); G01V 1/46 (2013.01); G01V 1/52 (2013.01); G01V 11/002 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method for identifying a leak for dynamic logging, comprising:
recording one or more acoustic signals as raw data;
estimating a Stoneley wave slowness;
separating a Stoneley wave into an up-going Stoneley wave and a down-going Stoneley wave;
estimating an amplitude of the up-going Stoneley wave and the down-going Stoneley wave;
identifying a difference between the amplitude of the up-going Stoneley wave and the down-going Stoneley wave;
summing the amplitude of the up-going Stoneley wave and the down-going Stoneley wave to form an amplitude summation curve; and
identifying a location of the leak.