Equilibrium minifracturing test and analysis
Conference
·
OSTI ID:457299
This work presents a new type of in-situ test for determining growth parameters for a hydraulic fracture. The equilibrium minifrac test discussed in this work (1) more directly measures fluid-loss rate than does the commonly used pump-in/shut-in test and (2) maintains a constant or near-constant pressure drop between the fracture and the reservoir boundary, eliminating the need to consider pressure dependencies of fluid, formation, and filtercake properties in the analyses. This work also presents techniques that are developed in this study for analyzing the in-situ test. These techniques (1) do not require knowledge of the relationship between fluid-loss rate and pressure, (2) are independent of fracture growth behavior, (3) allow the use of most any fracture growth model or simulator, (4) are independent of rock behavior, (5) do not require knowledge of in-situ fluid-flow parameters, and (6) do not require knowledge of fracture height.
- OSTI ID:
- 457299
- Report Number(s):
- CONF-961003--
- Country of Publication:
- United States
- Language:
- English
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