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U.S. Department of Energy
Office of Scientific and Technical Information

Focused Shock Drilling Exploratory Research Program. Technical progress report, March 1-September 30, 1985

Technical Report ·
OSTI ID:6387944

This is the first technical progress report for the Focused Shock Drilling Exploratory Research Program. The Program objectives are to determine the feasibility of high energy steerable focused shock drilling technology. We are well into Task 1 of the Program Plan. The objective of Task 1 was to measure the spark impedance for the five line drill, to test electrode designs for the bit, and to test materials for the erodable face drill bit. We have decided to use a different pulse power machine instead of a single water line for measuring spark impedance and testing electrode designs and have combined the latter part of Task 2, and the initial part of Task 3 into Task 1. In the initial phases of this Program we determined that there were several areas of technology that needed further study before we were ready to build a hundred kilojoule focused shock machine. As described in the proposal, the purpose of Task 1 and the first part of Task 3 was to measure physical properties of the spark impedance in order to be able to correctly design the big machine. We also needed to conduct a study of various pulse power systems to determine which system would be optimal for the focused shock drill. (In the proposal we had proposed using a water line for conducting the experiments, but in the early stages of the contract, we realized that water line may not represent the optimum approach for either laboratory experiments or for an actual down hole machine.

Research Organization:
Tetra Corp., Albuquerque, NM (USA)
DOE Contract Number:
FG02-85ER13330
OSTI ID:
6387944
Report Number(s):
DOE/ER/13330-T1; ON: DE86001849
Country of Publication:
United States
Language:
English