By Robert D. Sydansk
ISBN-10: 1613991525
ISBN-13: 9781613991527
Id, prediction, and figuring out of conformance difficulties are very important within the optimum layout of superior and superior oil restoration approaches. This publication brings jointly the themes of conform...
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Extra info for Reservoir Conformance Improvement
Example text
Linear flow is associated with flow behind pipe, through fractures and/or fracture-like features, while radial flow generally occurs in matrixrock reservoir when these features are absent. Straightforward calculations using the Darcy equation for radial flow (Eq. 1) determines the type of flow taking place at any well. 2Pln¨ r ¸ » © w ¹¼ ¬ ........................................ 1—BREAKDOWN OF COMMON DIAGNOSTIC EVALUATION PROCEDURES AND TOOLS AVAILABLE FOR THE IDENTIFICATION OF CONFORMANCE PROBLEMS (Jaipatke and Dalrymple 2010; Soliman et al.
Many conformance-improvement materials work within a limited permeability range. If the incorrect type of conformance-improvement-treatment material is chosen in this respect, then the conformance-improvement treatment is often doomed to failure. The recommended design strategy and treatment selection for an oilfield operator when applying a conformance-improvement operation in a reservoir where no conformance-improvement operations have been previously applied, is to use the highest estimate of the permeability of the flow channels.
1f—Fracture or fracturenetwork coning. Water zone Fig. 1i―Channeling behind pipe. Fig. 1h―Solution or vugular channels. Water zone Fig. 1j―Casing leaks. Fig. 1 (continued)—Various conformance problems. not only causes areal conformance problems as shown in Fig. 1a, but also can cause vertical conformance issues. Viscous fingering induced by mobility-ratio problems can occur in the vertical flow direction when the reservoir oil-recovery mechanism involves a bottom water drive or gas-cap expansion.
Reservoir Conformance Improvement by Robert D. Sydansk
by Richard
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