Granted Patent
Utility
US 6,026,913 · App. 08/940,352
Acoustic method of connecting boreholes for multi-lateral completion
Inventors:
Batakrishna Mandal, John W. Minear, James R. Birchak
Patented Case
View Patent ↗
Granted: Feb 22, 2000
Filed: Sep 30, 1997
Inventors
Batakrishna Mandal
John W. Minear
James R. Birchak
Assignee (at issue)
Halliburton Energy Services, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.