Decline curve analysis for horizontal wells /
]; horizontal well penetration ratio, [ ]; dimensionless
| Main Author: | |
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| Format: | Thesis eBook |
| Language: | English |
| Published: |
[Place of publication not identified] :
[publisher not identified] ;
1994.
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| Subjects: | |
| Online Access: | Link to OAKTrust copy |
| Summary: | ]; horizontal well penetration ratio, [ ]; dimensionless an anisotropic reservoir. Decline curve analysis is one of an infinite-conductivity horizontal well where these type analysis of production data, where we use production rates are especially designed for a horizontal well. The material associated with gas and water coning. In this study we auxiliary data functions are particularly useful for matching auxiliary rate functions which are the solutions for balance method is introduced for the analysis of data from boundary-dominated flow data due to the uniqueness of the combined with formation thickness to yield an effective conventional type curves for decline curve analysis are based curves can be used for decline curve analysis. These type curves represent the dimensionless rate response and other curves very well but the data are not modeled well during the curves. develop a novel solution for the case of a horizontal well in either on a vertical well model or on a vertically fractured fluid flow in the reservoir, no gravity forces, and we assume following parameters: shape factor for a horizontal well, [ for a horizontal well which represents the difference of for horizontal wells. We derived a line source solution for a formation thickness. We also introduce a pseudoskin function functions are useful for the selection of transient stems as functions provides more confidence in the match and aids in horizontal well from the point source solution, which assumes horizontal well half-length, LD; anisotropy ratio, [ ] horizontal well, [ ]; Pore volume of the reservoir. illustrated in a field case that matches one of the new type means to provide larger contact with the reservoir to enhance pressure drop between the vertically fractured and horizontal production at constant bottomhole pressure and for closed production histories. The value of our new method is rectangular outer boundary conditions. For the type curves, reservoir isotropy in the horizontal plane, single phase reservoir. The integral and derivative of the integral reservoir. We define an anisotropy factor that can be selecting the correct transient and depletion stem. The Simultaneously matching the flow rate and the auxiliary that permeability is independent of location in the The completion of horizontal wells has become popular as a the data.Our type curve correlating approach involves the the most commonly used tools in reservoir engineering for the the well is assumed to be located at the center of a square these trends. Finally, the analysis procedures we presented transient and transition to boundarydominated flow behavior transient flow regime by conventional radial flow type versus time compared to a theoretical model. However, vertical location of the well, [ ]; wellbore radius of the well as to interpret the boundary dominated flow portion of well model, both of which are insufficient to describe the well productivity or infectivity or to overcome problems well solutions. We developed new type curves in this work for wells with variable bottomhole pressure and variable rate |
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| Item Description: | "Major subject: Petroleum Engineering". Vita. |
| Physical Description: | xiii, 117 leaves : illustrations ; 28 cm. Also available online. |
| Bibliography: | Includes bibliographical references. |