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Diagnostic plots

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Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206108-MS
... the differences between analysis of buildup or falloffs following short and long flow periods. After covering pressure transient testing, we discuss rate transient diagnostic plots and the ambiguity observed during analysis of multifractured horizontal wells diagnostic plots and the uncertainty of analyst...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 12–15, 2021
Paper Number: SPE-206499-MS
... Abstract In this paper the simplified way is proposed for predicting the dynamics of liquid production and estimating the parameters of the oil reservoir using diagnostic curves, which are a generalization of analytical approaches, partially compared with the results of calculations on 3D...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-205906-MS
... could exist such as liquid loading. Decline rates used in practice to switch to exponential b -factor=0 varies from 5% to 10%. Application of Multiple Diagnostic Plots This study conducted rate transient analysis of Bakken and Permian shale MFHWs. About 500 MFHWs with minimum production...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 23–April 1, 2021
Paper Number: IPTC-21373-MS
..., special diagnostics of the multi well interference models will be required to differentiate between the boundary and interference effects. In addition, there is no analytical method for a well in a multi-well reservoir with no flow boundary condition. In this paper a new method was developed to model...
Proceedings Papers

Paper presented at the SPE Western Regional Meeting, April 23–26, 2019
Paper Number: SPE-195349-MS
... Abstract Various diagnostics plots related to examining injection pressure gradient requirements for maintaining injectivity have been used in waterflood management. Among these plots, Hall plots and the derivative of Hall plots are the most common approaches used in the industry. This paper...
Journal Articles
Journal: SPE Journal
SPE J. 24 (03): 1248–1269.
Paper Number: SPE-194017-PA
Published: 02 November 2018
... geometry. w ( τ ) is the derivative of pore volume with respect to τ . In this paper, we build upon our previous approach to propose a novel diagnostic tool for the interpretation of the characteristics of (potentially) complex fracture systems and drainage volume. We have used the w ( τ ) and IRR plots...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 24–26, 2017
Paper Number: URTEC-2697627-MS
... bhp Upstream Oil & Gas boundary-dominated flow bhp value constant bhp transient flow regime bilinear flow fracture damage URTeC: 2697627 Problems with Application of Material Balance Time to Transient Flow Data in Diagnostic Plots Himanshu S. Jha*, University of Houston; W. John Lee...
Proceedings Papers

Paper presented at the Carbon Management Technology Conference, July 17–20, 2017
Paper Number: CMTC-502143-MS
... simulation study was conducted to upscale the reported experimental-studies outcomes to the field conditions. As a result, different forward diagnostic plots have been generated from different combinations of CO 2 physical mechanisms with different shale-reservoirs conditions. Secondly, different backward...
Proceedings Papers

Paper presented at the SPE Hydrocarbon Economics and Evaluation Symposium, May 19–20, 2014
Paper Number: SPE-169871-MS
.... A hybrid of early transient and later BDF models proves to be a reasonable solution to the forecasting problem in LRS. In addition, use of diagnostic plots (like log-log rate-time and log-log rate-material balance time plots) improves confidence in flow regime identification and production forecasting...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 6–9, 1996
Paper Number: SPE-36614-MS
... Abstract The new diagnostic plots technique is proposed to evaluate four key gel gas shut-off treatments conducted at Prudhoe Bay last year. The diagnostic plots determined that a permeability contrast or formation channeling was the main mechanism for large gas entries. A log-log plot of Gas...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 22–25, 1995
Paper Number: SPE-30775-MS
... mechanism water rate diagnostic plot society of petroleum engineers waterflooding E SPE 30775 Water Control Diagnostic Plots K.S. Chan,* Schlumberger Dowell *SPE Member Copyright 1995, Society of Petroleum Engineers, Inc, This paper was prepared for presentation at the SPE Annual Technical Conference...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 15–17, 2018
Paper Number: SPE-191600-18RPTC-MS
... Abstract Petroleum engineers widely use Chan water control diagnostic plots to visually examine patterns for mechanisms behind excessive water production in petroleum wells. Distinct signatures reveal constant water-oil ratio (WOR), normal displacement of oil by water, multilayer channeling...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–6, 1999
Paper Number: SPE-56424-MS
... Abstract The conventional log-log diagnostic plot with pressure change and derivative with respect to the superposition time function has been applied with tremendous success in diagnosis of reservoir behavior by giving the buildup pressure response a shape similar to that of the drawdown...
Book Chapter
Publisher: Society of Petroleum Engineers
Published: 01 January 2013
DOI: 10.2118/9781613993071-06
EISBN: 978-1-61399-340-8
... behavior on three different plots: (1) the log-log diagnostic plot; (2) the flow regime-specific specialized diagnostic plot, and (3) the flow regime-specific straight-line plot. The log-log diagnostic plot is the same for all flow regimes, while the specialized diagnostic and straight-line plots...
Journal Articles
SPE Res Eval & Eng 20 (04): 1045–1055.
Paper Number: SPE-186098-PA
Published: 10 August 2017
... if the test had been performed at a constant rate. In this report, I show that if these plots are used to interpret shut-in transients from diagnostic fracture-injection tests (DFITs), the superposition-time derivative has an upward deflection that does not represent actual reservoir or transient behavior. I...
Images
“Dashboard” <span class="search-highlight">plot</span> of four <span class="search-highlight">diagnostic</span> <span class="search-highlight">plots</span> for single well <span class="search-highlight">diagnostic</span> interp...
Published: 28 September 2015
Figure 12 “Dashboard” plot of four diagnostic plots for single well diagnostic interpretation. As a result of this process flow regimes are identified, and productivity metrics are estimated. This process is performed for each well More
Images
Images
Injection <span class="search-highlight">diagnostic</span> <span class="search-highlight">plots</span> for J-557-2. Hall and Hearn <span class="search-highlight">plots</span> make note of s...
Published: 22 April 2019
Figure 15 Injection diagnostic plots for J-557-2. Hall and Hearn plots make note of short-term shut-in and acid maintenance jobs, which reduce near wellbore damage due to fines migration and scale. More
Images
Images

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