Deep hydraulic fracturing stress measurements in the KTB (Germany) and Cajon Pass (USA) Scientific Drilling Projects: A summary
By: J. Baumgartner, J. H. Healy, F. H. Rummel, and Mark D. Zoback
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Abstract
The determination of in situ stresses along deep vertical profiles was declared a key issue for two scientific deep drilling projects:
the German Continental Deep Drilling Project (KTB) situated in northeast Bavaria in an area of complex variscian thrust tectonics and
the CAJON PASS Project, located only about 4 km from the San Andreas Fault Zone In southern California.
In the KTB project 7 successful hydrofrac stress measurements could be completed in a 4 km deep pilot hole between 0.8 to 3.0 km. At the Cajon Pass site a series of 23 hydrofrac stress measurements was performed in 2 wells between 0.9 to 3.5 km.
Study Area
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Deep hydraulic fracturing stress measurements in the KTB (Germany) and Cajon Pass (USA) Scientific Drilling Projects: A summary |
| Volume | 3 |
| Year Published | 1993 |
| Language | English |
| Publisher | International Society for Rock Mechanics |
| Description | 6 p. |
| Larger Work Type | Book |
| Larger Work Subtype | Conference publication |
| Larger Work Title | 7th ISRM Congress |
| First page | 1685 |
| Last page | 1690 |
| Conference Title | 7th ISRM Congress |
| Conference Location | September 16-20, 1991 |
| Conference Date | Aachen, Germany |
| Country | Germany, United States |
| State | Bavaria, California |
| Other Geospatial | Cajon Pass |