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Waterdrive reservoirs

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Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 6–9, 1991
Paper Number: SPE-22697-MS
... in permeability between neighbouring sandbodies. Such conditions typically occur in fluvial deposits (poor connectivity) and channel-fill/mouthbar combinations (large permeability contrasts). To investigate the effect of the properties of these reservoirs on waterdrive efficiency, simulations of prototype...
Journal Articles
SPE Prod & Oper 4 (03): 321–326.
Paper Number: SPE-16906-PA
Published: 01 August 1989
...–3 M3/M3]. For wells producing at higher water/gas ratios from normally pressured waterdrive reservoirs, a method of estimating critical flow rates is derived through use of an empirical multiphase-flow correlation. Introduction To predict and possibly to extend the remaining life of liquid-producing...
Proceedings Papers

Paper presented at the SPE Annual Fall Technical Conference and Exhibition, October 1–3, 1978
Paper Number: SPE-7463-MS
... Abstract Recoveries in West Texas natural waterdrive reservoirs range from 55 to 80% of the original oil-in-place. These recoveries are generally being achieved using conventional artificial lift methods in the late depletion stages. The high recovery factors and possible detrimental effects...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 26–28, 2015
Paper Number: SPE-176713-MS
... of the deposit to help identify high-risk zones with potential minor faults. When drilling in a formation of true thickness less than 2 m, it is necessary to know the exact location of the borehole in relation to the structure to help prevent, if possible, drilling out of the reservoir. Reservoir...
Journal Articles
SPE Prod & Oper 25 (03): 296–304.
Paper Number: SPE-124873-PA
Published: 14 July 2010
... integrated the reservoir flow model and thermal model with a horizontal-well temperature model to predict the pressure and temperature distribution in a horizontal-well system. We apply the model to a synthetic example. The example is an infinite waterdrive case. The results of simulation show...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 4–7, 2009
Paper Number: SPE-124873-MS
... temperature and pressure data, water entry along a horizontal wellbore can be detected by a semi-analytical model. Flow in the wellbore is well-defined but flow in the reservoir is described by a single phase, one-dimensional model. The assumptions limited application of the model for mostly a single-phase...
Proceedings Papers

Paper presented at the Latin American & Caribbean Petroleum Engineering Conference, April 15–18, 2007
Paper Number: SPE-107701-MS
... to the expected, with low water cut. Yuralpa Field can become uneconomical if cement sheath quality and reservoir standoff to oil-water contact are not suitable. SPE 107701 Cement Design to Optimize Production in a Highly Active Waterdrive Reservoir Carlos Capacho and Felipe Baquero, Perenco, and Kris Ravi...
Journal Articles
SPE Res Eng 12 (03): 163–168.
Paper Number: SPE-35437-PA
Published: 01 August 1997
...D.T. Vo; E.L. Marsh; L.J. Sienkiewicz; M.D. Mueller; R.S. May Summary This paper presents a Gulf of Mexico field case study describing the use of horizontal wells to improve oil recovery in thin attic-oil, strong waterdrive reservoirs. Prewell planning shows the use of reservoir simulation for well...
Journal Articles
SPE Res Eng 5 (03): 275–284.
Paper Number: SPE-17453-PA
Published: 01 August 1990
... Reservoir Engineering SAGD reservoir pressure steam zone configuration lower tulare Oil Recovery Steamflooding in a Waterdrive Reservoir: Upper Tulare Sands, South Belridge Field .James K. Dietrich, SPE, The Dietrich Corp. Summary. A steamflood project in the strong edgewater-drive Upper Tulare...
Journal Articles
SPE Res Eval & Eng 11 (04): 696–706.
Paper Number: SPE-99954-PA
Published: 01 August 2008
...Turhan Yildiz Summary The conventional reserves estimate methods for waterdrive reservoirs are well established. Typically, the techniques proposed by Havlena and Odeh (1963 and 1964) and McEwen (1962) are used. In general, the reserves estimated from these procedures are not unique since...
Proceedings Papers

Paper presented at the SPE Europec/EAGE Annual Conference and Exhibition, June 12–15, 2006
Paper Number: SPE-99954-MS
... Abstract The conventional reserve estimate methods for waterdrive reservoirs are well established. Typically, the techniques proposed by Havlena and Odeh and McEwen are used. In general, the reserves estimated from the Havlena-Odeh and McEwen procedures are not unique since the recorded...
Journal Articles
SPE Res Eng 11 (02): 127–134.
Paper Number: SPE-28630-PA
Published: 01 May 1996
... is presented for deter- mining original hydrocarbons-in-place (OHIP) in waterdrive oil and gas reservoirs. The improved formulation reduces the number of unknowns in the regression analysis through the definition of a combined aquifer/reservoir expansion term (CARET). Field exam- ples analyzed with the CARET...
Journal Articles
SPE Form Eval 11 (04): 251–256.
Paper Number: SPE-28381-PA
Published: 01 December 1996
... the presence of water encroachment and a re- liable method for estimation of reserves in single-well gas reservoirs with edge-waterdrive have been developed from analysis of simu- lated pressure data. An alternative to the traditional interpretation of boundary effects has emerged as a result. This paper...
Proceedings Papers

Paper presented at the Rocky Mountain Oil & Gas Technology Symposium, April 16–18, 2007
Paper Number: SPE-103258-MS
... Abstract Field data and simulated models have revealed that in some cases waterdrive gas reservoirs can be mistakenly misidentified using material balance methods as depletion drive gas reservoirs causing a significant overestimation in gas reserves. The famous straight-line plot of p/z vs...
Proceedings Papers

Paper presented at the SPE Energy Resources Conference, June 9–11, 2014
Paper Number: SPE-169966-MS
... permeabilities (30 – 571 md to Air) gas producers with relatively thin capillary transition-zones. Thus, they didn't obey the BLW basic assumptions mentioned Up to this point, our investigation of waterdrive has been zero dimensional. In other words, the macroscopic reservoir is treated as a black box...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 6–9, 1991
Paper Number: SPE-22937-MS
... Abstract An analytical model is presented which predicts the performance of gas reservoirs producing under water-drive conditions. The model incorporates a modified water influx technique which accounts for pressure gradients and relative permeability effects pressure gradients and relative...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 8–11, 1989
Paper Number: SPE-19636-MS
...SPE Society of Petroleum Engineers SPE 19636 Field-Derived Comparison of Tertiary Recovery Mechanisms for Miscible C02 Flooding of Waterdrive and Pressure-Depleted Reservoirs in South Louisiana S. Bou-Mikael and F.S. Palmer, Texaco Inc. SPE Members r Copyright 1989, Society of Petroleum Engineers...
Journal Articles
SPE Res Eng 3 (02): 380–386.
Paper Number: SPE-13233-PA
Published: 01 May 1988
...H.S. Al-Hashim; D.M. Bass, Jr. Summary. Predicting the advancement of a gas/water contact (GWC) in a waterdrive gas reservoir plays an important role in evaluating, forecasting, and analyzing the reservoir performance. This study was conducted to predict the behavior and the rise of the GWC...
Images
In this large <b>waterdrive</b> <b>reservoir</b>, the producing well is placed too low be...
Published: 16 February 2010
Figure 1 In this large waterdrive reservoir, the producing well is placed too low below the caprock. As the oil/water contact rises, a significant portion of the oil in place stays behind as "attic" oil. Additional re-entries and multilaterals will be needed to recover the attic oil. More
Images
Recovery calibration chart of <b>waterdrive</b> gas <b>reservoirs</b> with  S  gr &#x2F; S  gi...
Published: 14 February 2010
Fig. 6 Recovery calibration chart of waterdrive gas reservoirs with S gr / S gi =0.1 when E va =0.4. Where p r is the relative pressure, dimensionless, and R g is the degree of reserve recovery. More

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