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Multi-point Interference Testing in a Single Horizontal Well.

For Reference Only At Bureau Libraries :43 pages
A new horizontal well testing technique, called multi-point interference (or mpi) testing, in a single horizontal well is developed. This new method is more sensitive to reservoir heterogeneities than any other horizontal well testing method available in the literature. For mpi test analysis in a single horizontal well, solutions of the pressure transient behavior for spherical fluid flow near a linear discontinuity in a formation that is vertically confined have been developed by using unconventional image theory. It is found that the pressure derivative provides distinguishing features for analyzing the pressure behavior of mpi testing in a heterogeneous reservoir. The straight line plot of p versus 1/check t (in cartesian co-ordinates) provides a simple method for analyzing mpi tests. Type curves based on the new model developed in this study can be used to determine reservoir properties such as permeability and porosity, and to detect and locate the reservoir boundaries. The practical utility of mpi testing is demonstrated by several examples. The solutions developed in this study provide new insight into the pressure behavior of various flow regimes observable in mpi testing. The resulting equations are relatively simple and easy to apply.
Publication Date
Document Type
CP; Final Contract Report;
Fiscal Year
NTIS Accession No.
NTIS Price
Identifying No.
OFR 20-92
Source Name
For Reference Only At Bureau Libraries
Performing Organization
University of Oklahoma