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Partial penetration

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Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, May 17–19, 2017
Paper Number: SPE-185455-MS
... effects of turbulence, partial penetration, wellbore storage and reservoir damage in wells, especially during the transient flow period, as an attempt to reduce erroneous estimation of reservoir parameters during well test analysis. Many models to address the reservoir response of partial penetration...
Proceedings Papers

Paper presented at the SPE Heavy and Extra Heavy Oil Conference: Latin America, September 24–26, 2014
Paper Number: SPE-171060-MS
... and environmental concerns in a high biodiversity region. This study provides the necessary test design considerations to calculate, from a conventional pressure transient analysis, the timing for the start and the end of all the flow regimes happening in a partial penetration test; thus, some recommendations were...
Journal Articles
J Ship Prod Des 6 (01): 27–34.
Paper Number: SNAME-JSP-1990-6-1-27
Published: 01 February 1990
...Edward T. Gaines This paper reviews development of weld design equations which can be used to analyze bevel partial-penetration tee joints. The method developed herein follows closely the development of equations for the design of square-edge partial-penetration tee joints which was presented...
Journal Articles
SPE Res Eng 2 (02): 227–234.
Paper Number: SPE-13956-PA
Published: 01 May 1987
...Paul Papatzacos Approximate Partial-Penetration Pseudoskin for Infinite- Pseudoskin for Infinite- Conductivity Wells Summary. This paper presents a simple formula for the pseudoskin factor of a well with restricted flow entry where infinite conductivity is taken into account analytically...
Proceedings Papers

Paper presented at the SPE California Regional Meeting, March 27–29, 1985
Paper Number: SPE-13627-MS
...SPE 13627 SPE Society of Petroleum Engineers Pressure Transient Analysis for Single Well/Reservoir Configurations (Considering Partial Penetration, Mixed Boundary, Wellbore Storage, and Skin Effects) by B.C. Theuveny, U. of Alaska; W.A. Jack, Sohio Alaska Petroleum Co.; and M.J. Economides, * U...
Journal Articles
J Pet Technol 36 (12): 2197–2210.
Paper Number: SPE-12178-PA
Published: 01 December 1984
...A.C. Reynolds; J.C. Chen; R. Raghavan Summary In this study we examine the pseudoskin factor caused by partial penetration in a two-layer reservoir when only partial penetration in a two-layer reservoir when only one layer is open to flow. We show that the pseudoskin factor can be correlated...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 23–26, 1979
Paper Number: SPE-8204-MS
... for determining the skin factor due to partial penetration. The importance of the ratio of vertical to horizontal permeability is considered in the analysis. An example illustrates the application of the method. Introduction An altered zone of reduced permeability surrounding a wellbore is quantified in terms...
Proceedings Papers

Paper presented at the SPE Annual Fall Technical Conference and Exhibition, October 9–12, 1977
Paper Number: SPE-6753-MS
... Abstract Although there have been many studies on unsteady behavior of wells with a partially-penetrating wellbore, there has been no study of the combined effects of wellbore damage and storage on the behavior of partially-penetrating wells. The purpose of this study is to fill this existing...
Journal Articles
SPE J. 14 (04): 413–426.
Paper Number: SPE-3819-PA
Published: 01 August 1974
... fracture of finite thickness at any position within a producing interval in an infinitely large reservoir with impermeable upper and lower boundaries. This general solution also contained solutions for the cases of a single, plane (zero thickness) horizontal fracture, partial penetration of the producing...
Journal Articles
Trans. 213 (01): 85–90.
Paper Number: SPE-971-G
Published: 01 December 1958
... not exist in the case of a well which partially penetrates the producing formation. As a result of this lack of symmetry the use of the classic theory in such cases become questionable. In this paper the mathematical theory has been extended to include the case of partially penetrating wells. Numerical...
Journal Articles
Journal: SPE Journal
SPE J. 24 (02): 811–833.
Paper Number: SPE-194189-PA
Published: 31 December 2018
... in a partially penetrating inclined fracture (PPIF) in these formations. It is necessary for the petroleum industry to conduct a pressure-transient analysis on such fractures to properly understand the major mechanisms governing the oil production from them. In this work, we develop a semianalytical model...
Proceedings Papers

Paper presented at the SPE Oil and Gas India Conference and Exhibition, April 4–6, 2017
Paper Number: SPE-185347-MS
... Abstract The effect of bottom-hole pressure and formation pressure due to a partially penetrating well (PPW) is different from that for an open hole well. In order to analyze the effect of imperfection on pressure response type curves, this paper presents a 3D symmetry porous flow model...
Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, November 18–20, 2015
Paper Number: SPE-177041-MS
... Abstract In this work, Babu and Odeh's model for estimating flow rate from partially penetrating systems is studied. A VBA code is written in order to simulate the model and its results are compared against simulations using Eclipse Software. Sensitivity to different parameters is analyzed...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 23–26, 2013
Paper Number: SPE-164500-MS
... are not always fully penetrating the formations. This paper introduces a new technique for analyzing the pressure behavior of a horizontal well with multiple vertical and inclined partially penetrating hydraulic fractures. The hydraulic fractures in this model could be longitudinal or transverse, vertical...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–24, 2008
Paper Number: SPE-116733-MS
... permeability reservoir complex reservoir pseudo skin pressure drop homogeneous reservoir hydraulic fracture linear flow regime fractured reservoir Abstract Although the effect of partial penetration of an infinite conductivity hydraulic fracture has been considered in a homogeneous reservoir...
Journal Articles
J Can Pet Technol 47 (05).
Paper Number: PETSOC-08-05-63
Published: 01 May 2008
...K. Slimani; D. Tiab Often and for many reasons the wellbore does not completely penetrate the entire formation, yielding a unique early-time pressure behaviour. Some of the main reasons for partial penetration, in both fractured and unfractured formations, are to prevent or delay the intrusion...
Proceedings Papers

Paper presented at the International Oil Conference and Exhibition in Mexico, August 31–September 2, 2006
Paper Number: SPE-104059-MS
... Abstract Often and for many reasons the wellbore does not completely penetrate the entire formation, yielding a unique early-time pressure behavior. Some of the main reasons for partial penetration, in both fractured and unfractured formations, are to prevent or delay the intrusion of unwanted...
Proceedings Papers

Paper presented at the Canadian International Petroleum Conference, June 7–9, 2005
Paper Number: PETSOC-2005-263
...1 PAPER 2005-263 Pressure Transient Analysis of Partially Penetrating Wells in a Naturally Fractured Reservoir K. SLIMANI Sonatrach/AMT/PED D. TIAB Oklahoma University This paper is to be presented at the Petroleum Society s 6th Canadian International Petroleum Conference (56th Annual Technical...
Proceedings Papers

Paper presented at the SPE International Petroleum Conference in Mexico, November 7–9, 2004
Paper Number: SPE-92116-MS
..., an extension of the Warren and Root model, existing an interaction between matrix, vugs, and fracture systems. The new model assumes a single partially penetrating well producing from an undersaturated system considering several boundary conditions. The inner boundary condition at the wellbore can...
Proceedings Papers

Paper presented at the Canadian International Petroleum Conference, June 10–12, 2003
Paper Number: PETSOC-2003-009
... Abstract With the similar methods in Ref.[1, 2, 3, 4, 5], taking a partially penetrating well as a uniform line sink in three dimensional space, by developing necessary mathematical analysis, this paper presents partially penetrating wells pressure drawdown formulae in a circular cylinder...

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