Qualification of Biopolymer in Offshore Single Well Test

2017 ◽  
Author(s):  
H. Urkedal ◽  
O. M. Selle ◽  
O. J. Seime ◽  
Ø. Brandal ◽  
T. Grøstad ◽  
...  
Keyword(s):  
Well Test ◽  
Single Well

scholarly journals Estimating CO2 residual trapping from a single-well test: Experimental design calculations

2011 ◽  
Vol 4 ◽  
pp. 5044-5049 ◽  
Author(s):  
Yingqi Zhang ◽  
Barry Freifeld ◽  
Stefan Finsterle ◽  
Martin Leahy ◽  
Jonathan Ennis-King ◽  
...  
Keyword(s):  
Experimental Design ◽  
Well Test ◽  
Residual Trapping ◽  
Single Well ◽  
Design Calculations

Regional long-term production modeling from a single well test, Mount Elbert Gas Hydrate Stratigraphic Test Well, Alaska North Slope

2011 ◽  
Vol 28 (2) ◽  
pp. 493-501 ◽  
Author(s):  
Brian J. Anderson ◽  
Masanori Kurihara ◽  
Mark D. White ◽  
George J. Moridis ◽  
Scott J. Wilson ◽  
...  
Keyword(s):  
Gas Hydrate ◽  
North Slope ◽  
Well Test ◽  
Single Well ◽  
Production Modeling

Rational Production Proration of Gas Wells in Unconsolidated Sandstone Gas Reservoir

2011 ◽  
Vol 121-126 ◽  
pp. 1249-1253
Author(s):  
Guo Yun Wu ◽  
Jiao Li
Keyword(s):  
Well Test ◽  
Gas Reservoir ◽  
Gas Recovery ◽  
Water Influx ◽  
Water Breakthrough ◽  
Stable Production ◽  
Single Well ◽  
Rational Production ◽  
Set Up

Multi-layered unconsolidated sandstone gas reservoir is featured by unconsolidated lithology, interbeded gas-water zones and active edge water. Irrational production proration will lead to water breakthrough and sand inflow(AOF) is already incompetent in solving problems nowadays. Based on multipoint well test deliverability analysis, production data dynamic analysis, single well controlled reserves and critical situation of inflow calculation, and combining the calculation of minimum liquid hold-up gas rate an maximum erosion gas rate, meanwhile considering balanced gas recovery factor, balanced pressure drop, safe sand inflow and safe liquid hold-up, the multi-factor production plan has been set up, which is improved and adjusted by integrating water influx performance and years of stable production, through gas reservoir numerical simulation. A scientific and rational production proration pattern particularly for this type of gas reservoir has been determined. The reservoir simulation results of case study show that the water production in gas well can be controlled and the gas reservoir sustained stable production can last more than 1.3 year.

A Single Well Test Method That Yields a Dispersion-Free Measure of Reservoir Fluid Drift Rate

1994 ◽  
Author(s):  
S.L. Wellington ◽  
J.F. Simmons ◽  
S.K. Hara ◽  
E.A. Richardson
Keyword(s):  
Drift Rate ◽  
Test Method ◽  
Well Test ◽  
Reservoir Fluid ◽  
Single Well

Biopolymer Injection in Offshore Single-Well Test

2018 ◽  
Author(s):  
Janiche Beeder ◽  
Anita Skarstad ◽  
Dhruva Prasad ◽  
Ana Todosijevic ◽  
Eva Mahler ◽  
...  
Keyword(s):  
Well Test ◽  
Single Well

scholarly journals Performing Pumping Test Data Analysis Applying Cooper-Jacob’s Method for Estimating of the Aquifer Parameters

2016 ◽  
Vol 12 (2) ◽  
pp. 9-20 ◽  
Author(s):  
Khider Mawlood Dana ◽  
Sabah Mustafa Jwan
Keyword(s):  
Test Data ◽  
Specific Capacity ◽  
Pumping Test ◽  
The Other ◽  
Well Test ◽  
Production Well ◽  
Observation Well ◽  
Aquifer Parameters ◽  
Aquifer Test ◽  
Single Well

Abstract Single well test is more common than aquifer test with having observation well, since the advantage of single well test is that the pumping test can be conducted on the production well with the absence of observation well. A kind of single well test, which is step-drawdown test used to determine the efficiency and specific capacity of the well, however in case of single well test it is possible to estimate Transmissivity, but the other parameter which is Storativity is overestimated, so the aim of this study is to analyze four pumping test data located in KAWRGOSK area by using cooper-Jacob’s (1946) time drawdown approximation of Theis method to estimate the aquifer parameters, also in order to determine the reasons which are affecting the reliability of the Storativity value and obtain the important aspect behind that in practice.

The single-well test dilemma: the skin effect and variable-rate pumping perspective

2018 ◽  
Vol 26 (7) ◽  
pp. 2521-2529 ◽  
Author(s):  
Na Li ◽  
Zhang Wen ◽  
Hongbin Zhan ◽  
Qi Zhu
Keyword(s):  
Skin Effect ◽  
Variable Rate ◽  
Well Test ◽  
Single Well

scholarly journals Modified Convergent Flow Tracing Method for Evaluating Advective Velocity and Effective Porosity in Fractured Rock Aquifers

Water ◽  
2020 ◽  
Vol 12 (12) ◽  
pp. 3565
Author(s):  
Byung-Woo Kim ◽  
Hangbok Lee
Keyword(s):  
Volumetric Flow Rate ◽  
Tracer Test ◽  
Breakthrough Curves ◽  
Effective Porosity ◽  
Well Test ◽  
Field Scale ◽  
Approximate Analytical Solutions ◽  
Single Well ◽  
Convergent Flow ◽  
Tracing Method

This study presented the analysis of the modified convergent flow tracing method, which is a modified virtual solute transport approach to retrieve tracer masses from a pulse image (virtual) well to an extraction well. In the convergent flow tracer test, approximate analytical solutions were extended for the pulse image well using a single-well tracing method. This method transformed the drift-and-pumpback conditions of the single-well tracing method. The method requires a prior information of the effective porosity. Using sodium chloride as a tracer mass, the tracer data sampled through field-scale tests were used to obtain breakthrough curves. This modified method was different from the pre-existing single method because it considers both the ambient groundwater movement (the two classes of drifts) and the constant volumetric flow rate during the pumping phase. The method was applied to the tracer test at underground research tunnel for verifying the theory inductively derived from the single tracing method. Through field tests, the values of velocity and porosity were compared to the results of the drift-and-pumpback equations of the single-well test, and the several different equations related to breakthrough curves of the two-well tests conducted on a field scale.

Pulse-Test Response of a Two-Zone Reservoir

1970 ◽  
Vol 10 (03) ◽  
pp. 245-256 ◽  
Author(s):  
E.G. Woods
Keyword(s):  
Flow Rate ◽  
Single Layer ◽  
Pressure Response ◽  
Test Results ◽  
Well Test ◽  
Reservoir Model ◽  
Reservoir Properties ◽  
Pulse Test ◽  
Pulse Testing ◽  
Single Well

Woods, E.G., Member AIME, Esso Production Research Co., Houston, Tex. Abstract A mathematical investigation of pressure response of two-zone reservoirs indicates apparent transmissibility (kh/ ) obtained by pulse testing is always equal to or greater than the total transmissibility of the zones, and that apparent storage (phi ch) is always equal to or less than the total storage of the zones. These apparent zone properties approach total properties as vertical fluid communication between zones increases. The presence of non uniform wellbore damage in the zones alters the division of flow between zones, and consequently, alters their apparent transmissibility ratio. In the absence of wellbore damage. the flow-rate ratio is a good estimator of the transmissibility ratio of the zones. A procedure is proposed for advantageously using differences in reservoir properties determined by single-well tests and pulse tests to describe flow properties of two-zone reservoirs. A numerical properties of two-zone reservoirs. A numerical example is included. Introduction Pulse tests, interference tests, and single-well pressure buildup or drawdown tests have been used pressure buildup or drawdown tests have been used to estimate reservoir properties. These pressure transient tests are normally analyzed with mathematical models which assume that the reservoir is a homogeneous single layer. Various techniques for analyzing single-well test data to obtain information about the properties of layered reservoirs have been shown by others to have limited applicability. This mathematical study was undertaken to determine what errors could be caused by interpreting pulse tests (in a multizone reservoir) with a single-layer model. Pulse testing is based on the measurement and interpretation of a pressure response in one well to a transient pressure disturbance introduced by varying flow rate at an adjacent well. The measured pressure response is usually a few hundredths of a pressure response is usually a few hundredths of a pound per square inch. Pulse-test terminology is pound per square inch. Pulse-test terminology is shown in Fig. 1; Johnson et al. give a complete description of pulse testing. Measured at the wellhead or in the wellbore, pressure response is a function of reservoir pressure response is a function of reservoir transmissibility (T=kh/mu) and diffusivity (n = k/phi cmu) in the region between the two wells; from these two quantities reservoir storage ( = /n=phi ch) can be derived. The analysis presented here discusses additional reservoir information made available by pulse testing and shows that single-well test and pulse-test results can be combined to give more information about a two-zone reservoir than either type of test alone. Also, procedures are given for estimating the magnitude of error if test results of a two-one reservoir are interpreted with the assumption that it is a one-zone, vertically homogeneous, reservoir. Discussions of theoretical work, field data requirements, interpretation procedure, and a numerical example follow. Details of the mathematical model are given in the Appendix. THEORETICAL STUDY - TWO-ZONE MODEL Reservoir Model - Assumptions and Boundary Conditions A reservoir model consisting of two zones penetrated by two wells, each of which is completed in both zones was assumed (Fig. 2). SPEJ p. 245

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