Parasite String
J. W. Murray published sketches, charts, operational procedures, and solutions of problems which arose in the drilling of a hole with a parasite string.
SPECIAL TOPICS
- Water Shut-offs
- Halliburton's low viscosity plastic is injected with a catalyst to seal waterbearing zones. The technique requires that the hole be full of water and high surface pressures for displacement.
Technical Drilling Services, Inc., Midland, Texas, offers silicon tetrafluoride which is a heavy colorless gas with a sharp but harmless odor. The gas reacts with formation water to form a precipitate within the rock pores.
1000
2 700
3 600 o
LlT cr
1000
2 700
3 600 o
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