Partially penetrating fractures: Pressure transient analysis of an infinite conductivity fracture
The effect of the partial penetration of an infinite conductivity fracture on the transient pressure behavior of a vertically fractured well is investigated. Analysis of results shows that the pressure behavior of a well intersected by a partially-penetrating infinite conductivity vertical fracture can be divided into three flow periods: 1) the early time flow period which is characterized by a formation linear flow as in the case of a fully-penetrating infinite-conductivity vertical fracture, 2) the infinite-acting flow period and 3) the pseudoradial flow period which develops after the effects of the vertical boundaries of the reservoir are felt in the pressure behavior of the well. A log-log graph of log(h /SUB f/ /h)p /SUB wD/ versus log t /SUB Dxf/ shows a slope of one half during the early time flow period of a well with an infinite-conductivity partially penetrating fracture. The time for the end of the early time flow period is directly related to the square of the dimensionless height of the fracture, h /SUB fD/, which is defined as the ratio between the height of the fracture and its half length.
- Research Organization:
- Inst. Mexicano del Petroleo-UNAM
- OSTI ID:
- 6869902
- Report Number(s):
- CONF-840495-
- Journal Information:
- Soc. Pet. Eng. AIME, Pap.; (United States), Vol. SPE 12743; Conference: Society of Petroleum Engineers California regional meeting, Long Beach, CA, USA, 11 Apr 1984
- Country of Publication:
- United States
- Language:
- English
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